Initial commit, merge Karen and Sloetjes' branches

Multiprocessing.py

@@ -0,0 +1,276 @@
+import multiprocessing
+import subprocess
+import concurrent.futures
+from google.cloud import pubsub_v1
+from google.api_core.exceptions import DeadlineExceeded
+from selenium import webdriver
+from selenium.webdriver.chrome.options import Options
+from selenium.webdriver.common.by import By
+import json
+import time
+import os
+from concurrent.futures import TimeoutError
+import pandas as pd
+from selenium.webdriver.support.ui import WebDriverWait
+from selenium.webdriver.support import expected_conditions as EC
+import selenium.common.exceptions
+import re
+from fp2_14 import get_product_prices
+
+# Define the subset of urls
+url_list = [
+    'https://www.sayweee.com/en/product/Want-Want-Senbei-Rice-Crackers/17119',
+    'https://www.sayweee.com/en/product/Lays-Potato-Chips-Cucumber-Flavor/51261',
+    'https://www.sayweee.com/en/product/Glico-Pocky-Cookies-and-Cream-Family-Pack/79467',
+    'https://www.sayweee.com/en/product/Xiang-Na-Lan-Thai-Jasmine-Rice/19566?category=dried01',
+    'https://www.sayweee.com/en/product/Sekka-Premium-Japanese-Medium-Grain-Rice/81224',
+    'https://www.sayweee.com/en/product/Big-Green-Spring-Farm-Organic-Millet/90991?category=dried02',
+    'https://www.sayweee.com/en/product/Liuzhou-Guangxi-Specialty-LuoSiFen-Hot-Spicy-Noodles/95442?category=instant01',
+    'https://www.sayweee.com/en/product/House-Foods-Firm-Tofu-/85175?trace_id=c93f3d1a-80a4-4e1a-8d41-a402ae43186f',
+    'https://www.sayweee.com/en/product/Lactaid-Lactose-Free-2--Reduced-Fat-Milk/95353',
+    'https://www.sayweee.com/en/product/Washington-Fuji-Apples/94817?category=fruits03',
+    'https://www.sayweee.com/en/product/Formosa-Pork-Sung-/23528?trace_id=3c143dd4-4a35-4e8d-93ee-d91f209717e7'
+]
+
+
+# Create a pool of worker processes
+# pool = multiprocessing.Pool(cpu_count)
+
+# Define the function to run the scraper
+def run_scraper(url):
+    # scraping logic
+    df = pd.DataFrame(columns=['Product ID', 'Zip Code', 'Shown Price', 'Minimum Quantity', 'Total Price', 'Unit Price','Sales Count','Sold Status'])
+    print(f"Created a dataframe: {df}")
+    product_id = url.split("/")[-1][:5]
+
+    options = Options()
+    options.add_argument('--disable-gpu')
+    driver = webdriver.Chrome(options=options)
+
+    project_id = "fp-20230425"
+    subscription_name = "fp-subscription-NFL-zipcodes"
+    subscriber = pubsub_v1.SubscriberClient()
+    subscription_path = subscriber.subscription_path(project_id, subscription_name)
+
+    # product_id = url.split("/")[-1]
+    driver.delete_all_cookies
+    driver.get(url)
+
+    def get_element_text(class_name_prefix):  
+        xpath_str = "//*[contains("               # Step 1: search for a class name by matching the beginning of the class name against...
+        xpath_str += "concat(' ', "               # Step 2: a leading space, followed by...
+        xpath_str += "normalize-space(@class), "  # Step 3: the list of class names, separated by single spaces...
+        xpath_str += "' '), "                     # Step 4: a trailing space...
+        xpath_str += f"' {class_name_prefix} ')]" # Step 5: compared against the class name with a single space on either side.
+        try:
+            match = driver.find_element(By.XPATH, xpath_str)
+            return match.get_attribute('textContent')
+        except selenium.common.exceptions.NoSuchElementException as nsee:
+            pass
+   
+        xpath_str = "//*[contains("                 # Step 1: search for a class name by matching the beginning of the class name against...
+        xpath_str += "concat(' ', "                 # Step 2: a leading space, followed by...
+        xpath_str += "normalize-space(@class)), "   # Step 3: the list of class names, separated by single spaces...
+        xpath_str += f"' {class_name_prefix}__')]"  # Step 4: compared against the class name prefixed with a single space and ending with two underscores.
+        try:
+            match = driver.find_element(By.XPATH, xpath_str)
+            return match.get_attribute('textContent')
+        except selenium.common.exceptions.NoSuchElementException as nsee:
+            pass
+        return ''
+
+    # Close the cookies setting window
+    try:  
+        cookie_button = WebDriverWait(driver, 2).until(
+            EC.presence_of_element_located((By.XPATH, "/html/body/div[3]/div[2]/div/div/div[3]/button"))
+        )
+        print(f"cookie_button = {cookie_button}")
+        cookie_button.click()
+    except:
+        pass
+
+    # Clear any modal dialog
+    try:    
+        modal_close = WebDriverWait(driver, 2).until(
+            EC.presence_of_element_located((By.XPATH, "//*[contains(concat(' ', normalize-space(@class), ' '), ' icon-icon-close-s ')]"))
+        )
+        print(f"modal_close = {modal_close}")
+        modal_close.click()
+    except:
+        pass
+
+    # Define callback function for Pub/Sub messages
+    def callback(message):
+        # Extract zip code from message data
+        zip_code = message.message.data.decode('utf-8')
+
+        print(f"Received zip code: {zip_code}")
+
+        try:
+            try:
+                # Clear any modal dialog
+                modal_close = WebDriverWait(driver, 2).until(
+                EC.presence_of_element_located((By.XPATH, "//*[contains(concat(' ', normalize-space(@class), ' '), ' icon-icon-close-s ')]"))
+            )
+                # print(f"modal_close = {modal_close}")
+                modal_close.click()
+            except:
+                pass
+
+
+            try:
+
+                # Clear any notice
+                notice_close = WebDriverWait(driver, 5).until(
+                EC.presence_of_element_located((By.XPATH, "/html/body/div[3]/div/div[2]/div/div[2]/div/div/div[1]/div[2]/button")))
+                # print(f"notice_close = {notice_close}")
+                notice_close.click()
+            except:
+                pass
+        
+            # Enter zip code in the input field and click the "Check" button
+            zip_button = WebDriverWait(driver, 5).until(
+                EC.presence_of_element_located((By.XPATH, '/html/body/div[2]/div/header/div[3]/div/div/div[2]/div[1]'))
+            )
+            # print(f"{zip_button:}")
+            zip_button.click()
+
+            zip_input = WebDriverWait(driver, 2).until(
+                EC.presence_of_element_located((By.XPATH, '//div/label/following-sibling::input'))
+            )
+            # print(f"{zip_input:}")
+            zip_input.click()
+            # print("clearing zip_input")
+            zip_input.send_keys("\b\b\b\b\b")
+            # print("sending zip code")
+            zip_input.send_keys(zip_code)
+
+            check_button = driver.find_element(By.XPATH, "//button[text() = 'Confirm']")
+            check_button = WebDriverWait(driver, 2).until(EC.presence_of_element_located((By.XPATH,"//button[text() = 'Confirm']")))
+            # print(f"{check_button:}")
+            check_button.click()
+            # time.sleep(2)
+
+            try:
+            # Clear any notice
+                notice_close = WebDriverWait(driver, 2).until(EC.presence_of_element_located((By.XPATH, "/html/body/div[3]/div/div[2]/div/div[2]/div/div/div[1]/div[2]/button")))
+                # print(f"notice_close = {notice_close}")
+                notice_close.click()
+            except:
+                pass
+
+            try:
+                # Clear any modal dialog
+                modal_close = WebDriverWait(driver, 2).until(EC.presence_of_element_located((By.XPATH, "//*[contains(concat(' ', normalize-space(@class), ' '), ' icon-icon-close-s ')]")))
+                # print(f"modal_close = {modal_close}")
+                modal_close.click()
+            except:
+                pass
+
+            # Record sales count, if any
+            sales_count_element = get_element_text('Header_count')
+            count_start_index = sales_count_element.index('sold ') + len('sold ')
+            count_end_index = sales_count_element.index('+')
+            sales_count = sales_count_element[count_start_index:count_end_index]
+            # Record any sold status notice
+            sold_status = get_element_text('UnavailableCartbtn_container')
+            if sold_status == 'Notify me':
+                sold_status = 'Sold Out'
+
+        # Extract the price of rice crackers for this zip code
+            # Check if there is a minimum order quantity
+            min_quantity: float = 0
+            total_price: float = 0
+            unit_price: float = 0
+            try:
+                minimum_quantity_str = driver.find_element(By.XPATH, "//div[contains(@class, 'minQuantity')]").get_attribute('innerHTML')
+                if minimum_quantity_str:
+                    regexp = "Minimum purchase: (\d+) \(\$(\d+\.\d{2}?)"
+                    match = re.search(regexp,minimum_quantity_str)
+                    min_quantity, total_price = match.groups()
+            except selenium.common.exceptions.NoSuchElementException as nsee:
+                print("No minimum purhcase string found")
+            except Exception as e:
+                print(f"Exception when finding minimum purchase string: {e}")
+
+            ld_json_element = driver.find_element(By.XPATH, "//script[@type='application/ld+json']")
+            ld_json_text = ld_json_element.get_attribute('innerHTML')
+            ld_json_start_index = ld_json_text.index('{')
+            ld_json_end_index = ld_json_text.rindex('}') + 1
+            ld_json_json = ld_json_text[ld_json_start_index:ld_json_end_index]
+            ld_json = json.loads(ld_json_json)
+            ld_json_price = ld_json['offers']['price']
+            # Print the price
+            print(ld_json_price)
+
+            unit_price_element = driver.find_element(By.XPATH,"//div[contains(@class, 'price_price')]").get_attribute('innerText')
+            unit_price = unit_price_element.replace("$", "")
+            print(f"unit_price = {unit_price}" )
+
+            subscriber.acknowledge(ack_ids = [message.ack_id], subscription = subscription_path)  # acknowledge receipt of message
+            # Append the zip code and price to the dataframe
+            #append_to_df(zip_code, price)
+            new_row = pd.DataFrame({'Product ID': [product_id], 'Zip Code': [zip_code], 'Shown Price': [ld_json_price], 'Minimum Quantity': [min_quantity], 'Total Price': [total_price], 'Unit Price': [unit_price], 'Sales Count': [sales_count], 'Sold Status': [sold_status]})
+            return pd.concat([df, new_row], ignore_index=True)
+            #print(f"Recorded the zip code and price: {zip_code},{price}")
+            #print(f"Updated a dataframe: {df}")
+
+        except Exception as e:
+            print(f"Caught exception: {e}")
+            print(f"Price not found for zip code {zip_code}")
+            price = 'Price not found'
+            return df
+
+    # Start receiving messages (sync version)
+    while True: 
+        pull_request = pubsub_v1.types.PullRequest(max_messages = 1, subscription = subscription_path)
+        messages = []
+        try:
+            pull_response = subscriber.pull(request = pull_request)
+            messages = pull_response.received_messages
+        except DeadlineExceeded:
+            pass
+
+        if messages:
+            df = callback(messages[0])
+            print(f"Updated a dataframe: {df}")
+        else:
+            print(f"no messages, trying again at {time.asctime()}")
+            break
+        # subprocess.call(['python', 'fp2_13.py', url])
+    return df
+
+if __name__ == '__main__':
+    # Determine the number of available CPUs
+    # cpu_count = multiprocessing.cpu_count()
+
+    with concurrent.futures.ThreadPoolExecutor(max_workers=2) as executor:
+        future_to_url = {executor.submit(run_scraper, url): url for url in url_list}
+        results = []
+        for future in concurrent.futures.as_completed(future_to_url):
+            url = future_to_url[future]
+            try:
+                result = future.result()
+                print(f"Scraped data for URL: {url}")
+                results.append(result)
+            except Exception as e:
+                print(f"Failed to scrape data for URL: {url}\nError: {e}")
+
+'''
+# Run the scraper in parallel for the subset of items
+results = pool.map(run_scraper, url_list)
+
+# Close the pool and wait for the processes to finish
+pool.close()
+pool.join()
+'''
+
+with pd.HDFStore('product_data.h5') as store:
+    for url, result in zip(url_list, results):
+        # Extract the product ID from the URL
+        product_id = url.split("/")[-1][:5]
+
+        # Save the dataframe to the HDF5 file with a unique key
+        key = f'df_{product_id}'
+        store[key] = result
+        # result.to_hdf('product_data.h5', key=key, mode='a')

NFL Zip Code.py

@@ -0,0 +1,134 @@
+#!/usr/bin/env python
+# coding: utf-8
+
+# In[1]:
+import os
+from google.cloud import pubsub_v1
+
+
+# In[2]:
+# Set the project ID and topic name
+project_id = 'svig-384801'
+topic_name = 'nfl-zipcodes'
+
+
+# In[3]:
+# Create a publisher client
+publisher = pubsub_v1.PublisherClient()
+
+
+# In[4]:
+# Get the topic path
+topic_path = publisher.topic_path(project_id, topic_name)
+
+
+# In[5]:
+# Define the zip codes for all NFL cities
+nfl_zipcodes = {
+    'Arizona Cardinals': '85305',
+    'Atlanta Falcons': '30363',
+    'Baltimore Ravens': '21230',
+    'Buffalo Bills': '14127',
+    'Carolina Panthers': '28202',
+    'Chicago Bears': '60605',
+    'Cincinnati Bengals': '45202',
+    'Cleveland Browns': '44115',
+    'Dallas Cowboys': '76011',
+    'Denver Broncos': '80204',
+    'Detroit Lions': '48226',
+    'Green Bay Packers': '54304',
+    'Houston Texans': '77054',
+    'Indianapolis Colts': '46225',
+    'Jacksonville Jaguars': '32202',
+    'Kansas City Chiefs': '64129',
+    'Las Vegas Raiders': '89118',
+    'Los Angeles Chargers': '92626',
+    'Los Angeles Rams': '90305',
+    'Miami Dolphins': '33056',
+    'Minnesota Vikings': '55415',
+    'New England Patriots': '02035',
+    'New Orleans Saints': '70112',
+    'New York Giants': '07073',
+    'New York Jets': '07932',
+    'Philadelphia Eagles': '19145',
+    'Pittsburgh Steelers': '15212',
+    'San Francisco 49ers': '95054',
+    'Seattle Seahawks': '98056',
+    'Tampa Bay Buccaneers': '33607',
+    'Tennessee Titans': '37213',
+    'Washington Football Team': '20785'
+}
+
+
+# In[6]:
+# Publish each zip code to the topic
+for team, zipcode in nfl_zipcodes.items():
+    data = f'{zipcode}'.encode('utf-8')
+    publisher_future = publisher.publish(topic_path, data=data)
+    message_id = publisher_future.result()
+    print(f"message_id = {message_id}")
+
+print('All zip codes published.')
+
+
+# In[ ]:
+import os
+import time
+from selenium import webdriver
+from selenium.webdriver.chrome.service import Service
+from selenium.webdriver.common.by import By
+from selenium.webdriver.support.ui import WebDriverWait
+from selenium.webdriver.support import expected_conditions as EC
+from google.cloud import pubsub_v1
+
+# Set the project ID and subscription name
+project_id = 'svig-384801'
+topic_name = 'nfl-zipcodes'
+subscription_name = 'nfl-zipcodes-sub'
+
+# Set the path to your ChromeDriver executable
+chrome_driver_path = "/usr/local/bin/chromedriver"
+
+# Set up a Google Cloud Pub/Sub subscriber
+subscriber = pubsub_v1.SubscriberClient()
+subscription_path = subscriber.subscription_path(project_id, subscription_name)
+
+# Set up a ChromeDriver instance
+chrome_options = webdriver.ChromeOptions()
+#chrome_options.add_argument("--headless")  # Run Chrome in headless mode
+chrome_service = Service(chrome_driver_path)
+chrome_service.start()
+driver = webdriver.Remote(chrome_service.service_url, options=chrome_options)
+
+def callback(message):
+    # Get the zip code from the message
+    zip_code = message.data.decode("utf-8")
+    print(f"Received message with zip code: {zip_code}")
+
+    # Open the product page for the rice crackers for the given zip code
+    product_url = f"https://www.sayweee.com/zh/product/Want-Want-Senbei-Rice-Crackers/17119?trace_id=89f7c636-05b8-4f52-abdd-74de3a83f45d&zip={zip_code}"
+    driver.get(product_url)
+
+    # Wait for the price to load
+    price_xpath = "//span[@class='price']"
+    print(EC.presence_of_element_located((By.XPATH, price_xpath)))
+    price_element = WebDriverWait(driver, 10).until(EC.presence_of_element_located((By.XPATH, price_xpath)))
+
+    # Extract the price and print it
+    price = price_element.text
+    print(f"Price for zip code {zip_code}: {price}")
+
+    # Acknowledge the message
+    message.ack()
+
+# Subscribe to the topic
+streaming_pull_future = subscriber.subscribe(subscription_path, callback=callback)
+print(f"Listening for messages on {subscription_path}...")
+streaming_pull_future.result()
+
+# Keep the script running
+while True:
+    time.sleep(60)
+
+
+# %%

NFL_Cities.csv

@@ -0,0 +1,33 @@
+ID,Team Name,Arena Name,Abbreviation,Conference,Division,Arena Location,ZIP Code
+1,Arizona Cardinals,State Farm Stadium,ARI,NFC,West,"Glendale, Arizona",85305
+2,Atlanta Falcons,Mercedes-Benz Stadium,ATL,NFC,South,"Atlanta, Georgia",30313
+3,Baltimore Ravens,M&T Bank Stadium,BAL,AFC,North,"Baltimore, Maryland",21230
+4,Buffalo Bills,Bills Stadium,BUF,AFC,East,"Orchard Park, New York",14127
+5,Carolina Panthers,Bank of America Stadium,CAR,NFC,South,"Charlotte, North Carolina",28202
+6,Chicago Bears,Soldier Field,CHI,NFC,North,"Chicago, Illinois",60605
+7,Cincinnati Bengals,Paul Brown Stadium,CIN,AFC,North,"Cincinnati, Ohio",45202
+8,Cleveland Browns,First Energy Stadium,CLE,AFC,North,"Cleveland, Ohio",44114
+9,Dallas Cowboys,At&T Stadium,DAL,NFC,East,"Arlington, Texas",76011
+10,Denver Broncos,Empower Field at Mile High,DEN,AFC,West,"Denver, Colorado",80204
+11,Detroit Lions,Ford Field,DET,NFC,North,"Detroit, Michigan",48226
+12,Green Bay Packers,Lambeau Field,GB,NFC,North,"Green Bay, Wisconsin",54304
+13,Houston Texans,NRG Stadium,HOU,AFC,South,"Houston, Texas",77054
+14,Indianapolis Colts,Lucas Oil Stadium,IND,AFC,South,"Indianapolis, Indiana",46225
+15,Jacksonville Jaguars,TIAA Bank Field,JAX,AFC,South,"Jacksonville, Florida",32202
+16,Kansas City Chiefs,Arrowhead Stadium,KC,AFC,West,"Kansas City, Missouri",64129
+17,Las Vegas Raiders,Allegiant Stadium,LV,AFC,West,"Paradise, Nevada",89118
+18,Los Angeles Chargers,SoFi Stadium,LAC,AFC,West,"Inglewood, California",90301
+19,Los Angeles Rams,SoFi Stadium,LAR,NFC,West,"Inglewood, California",90301
+20,Miami Dolphins,Hard Rock Stadium,MIA,AFC,East,"Miami Gardens, Florida",33056
+21,Minnesota Vikings,U.S. Bank Stadium,MIN,NFC,North,"Minneapolis, Minnesota",55415
+22,New England Patriots,Gillette Stadium,NE,AFC,East,"Foxborough, Massachusetts",02035
+23,New Orleans Saints,Mercedes-Benz Superdome,NO,NFC,South,"New Orleans, Louisiana",70112
+24,New York Giants,MetLife Stadium,NYG,NFC,East,"East Rutherford, New Jersey",07073
+25,New York Jets,MetLife Stadium,NYJ,AFC,East,"East Rutherford, New Jersey",07073
+26,Philadelphia Eagles,Lincoln Financial Field,PHI,NFC,East,"Philadelphia, Pennsylvania",19148
+27,Pittsburgh Steelers,Heinz Field,PIT,AFC,North,"Pittsburgh, Pennsylvania",15212
+28,San Francisco 49ers,Levi's Stadium,SF,NFC,West,"Santa Clara, California",95054
+29,Seattle Seahawks,CenturyLink Field,SEA,NFC,West,"Seattle, Washington",98134
+30,Tampa Bay Buccaneers,Raymond James Stadium,TB,NFC,South,"Tampa, Florida",33607
+31,Tennessee Titans,Nissan Stadium,TEN,AFC,South,"Nashville, Tennessee",37213
+32,Washington Redskins,FedExField,WAS,NFC,East,"Landover, Maryland",20785

README.md

@@ -0,0 +1,20 @@
+This branch contains a prototype for a retail price scraper for getweee.com.
+To run it, install:
+
+* Python 3.9+,
+* chrome,
+* chromedriver,
+* and the python depedencies:
+
+```
+pip install -r /path/to/requirements.txt
+```
+
+Once those are installed, install the GCP SDK:
+
+https://cloud.google.com/sdk/docs/install
+
+You will also have to log into GCP *twice*, once for the gcloud CLI tools,
+and again for the GCP SDK libraries:
+
+https://googleapis.dev/python/google-api-core/latest/auth.html

SQLAlchemy.py

@@ -0,0 +1,166 @@
+#!/usr/bin/env python
+# coding: utf-8
+
+# In[ ]:
+
+
+from sqlalchemy import create_engine, Column, Integer, String, Float, DateTime, ForeignKey
+from sqlalchemy.orm import sessionmaker, relationship, declarative_base
+from flask import Flask, render_template
+
+# In[ ]:
+
+
+# Create a base class for declarative models
+Base = declarative_base()
+
+class Product(Base):
+    __tablename__ = 'product'
+    id = Column(Integer, primary_key=True)
+    name = Column(String)
+    SKU_PLU_UPC_number = Column(String)
+    price_histories = relationship("PriceHistory", back_populates="product")
+
+class Retailer(Base):
+    __tablename__ = 'retailer'
+    id = Column(Integer, primary_key=True)
+    name = Column(String)
+    products = relationship("Product", secondary="retailer_product")
+
+class Price(Base):
+    __tablename__ = 'price'
+    id = Column(Integer, primary_key=True)
+    MOQ = Column(Integer)
+    price = Column(Float)
+
+class ScraperJob(Base):
+    __tablename__ = 'scraper_job'
+    id = Column(Integer, primary_key=True)
+    start_time = Column(DateTime)
+    end_time = Column(DateTime)
+    parameters = Column(String)
+    statistics = Column(String)
+
+class PriceHistory(Base):
+    __tablename__ = 'price_history'
+    id = Column(Integer, primary_key=True)
+    location = Column(String)
+    zip_code = Column(Integer)
+    city_name = Column(String)
+    price_at_time = Column(DateTime)
+    price = Column(Float)
+    scraper_job_id = Column(Integer, ForeignKey('scraper_job.id'))
+    product_id = Column(Integer, ForeignKey('product.id'))
+    product = relationship("Product", back_populates="price_histories")
+    scraper_job = relationship("ScraperJob")
+
+class User(Base):
+    __tablename__ = 'user'
+    id = Column(Integer, primary_key=True)
+    username = Column(String)
+    credentials = Column(String)
+    creation_date = Column(DateTime)
+    modification_date = Column(DateTime)
+
+class RetailerProduct(Base):
+    __tablename__ = 'retailer_product'
+    retailer_id = Column(Integer, ForeignKey('retailer.id'), primary_key=True)
+    product_id = Column(Integer, ForeignKey('product.id'), primary_key=True)
+
+
+# In[ ]:
+
+
+# Create the database engine
+engine = create_engine('sqlite:///user_database.db')
+Base.metadata.create_all(engine)
+
+
+# In[ ]:
+
+
+# Create a session factory
+Session = sessionmaker(bind=engine)
+session = Session()
+
+
+# In[ ]:
+
+
+import sys
+
+# Create a command-line tool that parses sys.argv to allow a user to create/edit/delete user objects.
+
+if len(sys.argv) < 2:
+    app = Flask(__name__)
+
+    # Create a database connection
+    engine = create_engine('sqlite:///user_database.db')
+    Session = sessionmaker(bind=engine)
+    session = Session()
+
+    @app.route('/')
+    def home():
+        # Get all user objects
+        users = session.query(User).all()
+        return render_template('index.html', users=users)
+
+    app.run()
+
+
+
+command = sys.argv[1]
+
+if command == "create":
+    if len(sys.argv) < 4:
+        print("Usage: python script.py create [username] [credentials]")
+        sys.exit(1)
+    
+    username = sys.argv[2]
+    credentials = sys.argv[3]
+
+    # Create a new user object
+    new_user = User(username=username, credentials=credentials)
+    session.add(new_user)
+    session.commit()
+    print("User created successfully!")
+
+elif command == "edit":
+    if len(sys.argv) < 4:
+        print("Usage: python script.py edit [username] [new_credentials]")
+        sys.exit(1)
+
+    username = sys.argv[2]
+    new_credentials = sys.argv[3]
+
+    # Find the user object
+    user = session.query(User).filter_by(username=username).first()
+
+    if user:
+        # Update user credentials
+        user.credentials = new_credentials
+        session.commit()
+        print("User edited successfully!")
+    else:
+        print("User not found!")
+
+elif command == "delete":
+    if len(sys.argv) < 3:
+        print("Usage: python script.py delete [username]")
+        sys.exit(1)
+
+    username = sys.argv[2]
+
+    # Find the user object
+    user = session.query(User).filter_by(username=username).first()
+
+    if user:
+        # Delete the user object
+        session.delete(user)
+        session.commit()
+        print("User deleted successfully!")
+    else:
+        print("User not found!")
+
+else:
+    print("Usage: python script.py [create|edit|delete] [username] [credentials]")

fp2_10.py

@@ -0,0 +1,67 @@
+from google.cloud import pubsub_v1
+from google.api_core.exceptions import DeadlineExceeded
+import csv
+import os
+import asyncio
+
+# os.environ["GOOGLE_APPLICATION_CREDENTIALS"] = "C:/Users/Karen/AppData/Roaming/gcloud/application_default_credentials.json"
+project_id = "fp-20230425"
+# project_id = "svig-384801"
+
+'''
+topic_name = "fp-topic-NFL-zipcodes"
+subscription_name = "fp-subscription-NFL-zipcodes"
+subscriber = pubsub_v1.SubscriberClient()
+subscription_path = f"projects/{project_id}/subscriptions/{subscription_name}"
+subscriber.delete_subscription(request={"subscription": subscription_path})
+print("Subscription deleted: {}".format(subscription_path))
+
+# Delete the topic
+publisher = pubsub_v1.PublisherClient()
+topic_path = publisher.topic_path(project_id, topic_name)
+publisher.delete_topic(request={"topic": topic_path})
+print(f"Topic '{topic_name}' deleted.")
+
+
+
+'''
+# pubsub topic
+publisher = pubsub_v1.PublisherClient()
+topic_name = "fp-topic-NFL-zipcodes"
+topic_path = publisher.topic_path(project_id, topic_name)
+
+# Create a Pub/Sub subscription
+subscriber = pubsub_v1.SubscriberClient()
+'''
+subscription_name = "fp-subscription-zipcodes"
+subscription_path = subscriber.subscription_path(project_id, subscription_name)
+subscription = subscriber.create_subscription(
+    name=subscription_path, topic=topic_path
+)
+'''
+# Publish a message to the topic
+# Read the data from the csv file
+# file_path = "C:/Users/Karen/Desktop/zipcodes.csv"
+file_path = "zipcodes.csv"
+
+with open(file_path, "r") as csv_file:
+    reader = csv.reader(csv_file)
+    next(reader)  # skip header row
+    for row in reader:
+        # Format the data as a string and publish it to the topic
+        data = ",".join(row).encode("utf-8")
+        try:
+            future = publisher.publish(topic_path, data)
+            print(f"Published message ID {future.result()}")
+        except DeadlineExceeded as de:
+            print(f"Caught DeadlineExceeded exception: {de}")
+
+'''
+async def receive_messages():
+    response = subscriber.pull(subscription=subscription_path, max_messages=1)
+    for received_message in response.received_messages:
+        print("Received message: {}".format(received_message.message.data))
+       
+    
+asyncio.run(receive_messages())
+'''

fp2_11.py

@@ -0,0 +1,372 @@
+from google.cloud import pubsub_v1
+from google.api_core.exceptions import DeadlineExceeded
+from selenium import webdriver
+from selenium.webdriver.chrome.options import Options
+from selenium.webdriver.support.wait import WebDriverWait
+from selenium.webdriver.common.by import By
+from selenium.webdriver.common.keys import Keys
+import selenium.common.exceptions
+import json
+import time
+import os
+import re
+import sys
+from concurrent.futures import TimeoutError
+import pandas as pd
+from selenium.webdriver.support.ui import WebDriverWait
+from selenium.webdriver.support import expected_conditions as EC
+
+# os.environ["GOOGLE_APPLICATION_CREDENTIALS"] = "C:/Users/Karen/AppData/Roaming/gcloud/application_default_credentials.json"
+
+# Create an empty dataframe to store the prices
+df = pd.DataFrame(columns=['Product ID', 'Zip Code', 'Displayed Price', 'ld+json Price', 'Minimum Quantity', 'Total Price', 'Sales Count', 'Sold Status'])
+print(f"Created a dataframe: {df}")
+
+# Configure the Selenium driver options
+options = Options()
+options.add_argument('--disable-gpu')
+driver = webdriver.Chrome(options=options)
+
+# Set up Pub/Sub subscription
+project_id = "fp-20230425"
+subscription_name = "fp-subscription-NFL-zipcodes"
+subscriber = pubsub_v1.SubscriberClient()
+subscription_path = subscriber.subscription_path(project_id, subscription_name)
+
+# Load the product page and extract the __NEXT_DATA__ data
+url = 'https://www.sayweee.com/en/product/Want-Want-Senbei-Rice-Crackers/17119'
+product_id = url.split("/")[-1]
+driver.delete_all_cookies
+driver.get(url)
+# time.sleep(5)
+
+# time.sleep(2)
+# Close the cookies setting window
+try:  
+    # cookie_button = driver.find_element(By.XPATH, "/html/body/div[3]/div[2]/div/div/div[3]/button")
+    cookie_button = WebDriverWait(driver, 2).until(
+        EC.presence_of_element_located((By.XPATH, "/html/body/div[3]/div[2]/div/div/div[3]/button"))
+    )
+    print(f"cookie_button = {cookie_button}")
+    cookie_button.click()
+except:
+    pass
+
+# time.sleep(1)
+# Clear any modal dialog
+try:    
+    # modal_close = driver.find_element(By.XPATH, "//*[contains(concat(' ', normalize-space(@class), ' '), ' icon-icon-close-s ')]")
+    modal_close = WebDriverWait(driver, 2).until(
+        EC.presence_of_element_located((By.XPATH, "//*[contains(concat(' ', normalize-space(@class), ' '), ' icon-icon-close-s ')]"))
+    )
+    print(f"modal_close = {modal_close}")
+    modal_close.click()
+    #time.sleep(2)
+except:
+    pass
+
+
+def close_modals():
+    try:
+        # time.sleep(2)
+        # Clear any modal dialog
+        modal_close_buttons = driver.find_elements(By.XPATH, "//*[contains(concat(' ', normalize-space(@class), ' '), ' icon-icon-close-s ')]")
+        print(f"modal_close = {modal_close}")
+        for button in modal_close_buttons:
+            try:
+                button.click()
+            except Exception as e:
+                print(f"Exception when clicking on close button for element {button}: {e}")
+
+        # time.sleep(2)
+    except Exception as e:
+        print(f"Exception when trying to close discount modal dialog: {e}")
+
+
+    try:
+        # time.sleep(1)
+        # Clear any notice
+        notice_close = driver.find_element(By.XPATH, "/html/body/div[3]/div/div[2]/div/div[2]/div/div/div[1]/div[2]/button")
+        print(f"notice_close = {notice_close}")
+        notice_close.click()
+        # time.sleep(1)
+    except selenium.common.exceptions.NoSuchElementException as nsee:
+        print("Purchase option change dialog close button not found")
+    except Exception as e:
+        print(f"Exception when trying to close purchase option change dialog: {e}")
+
+def get_element_text(class_name_prefix):
+    '''
+    Return the text in the first element with a given class name.
+
+    Note that XPath doesn't have a function to check if a given word is present
+    in a list of words, so using contains() will match a class name even if
+    the class name is a substring of the class name being matched against.
+    To prevent this, we use spaces as a delimiter at the beginning and end of
+    the class name, and ensure there's only one space before and after all
+    class names in the class name list.
+
+    Example: consider two class names with cache-busting suffixes:
+      * Header_soldStatusNotice__12345
+      * Header_soldStatusNoticeBackground__ABCDE
+
+    Matching against Header_soldStatusNotice using a naive implementation with
+    `contains()` would match both class names, even though only the first one
+    is the correct match. 
+    '''
+    # Construct xpath selector.  
+    xpath_str = "//*[contains("               # Step 1: search for a class name by matching the beginning of the class name against...
+    xpath_str += "concat(' ', "               # Step 2: a leading space, followed by...
+    xpath_str += "normalize-space(@class), "  # Step 3: the list of class names, separated by single spaces...
+    xpath_str += "' '), "                     # Step 4: a trailing space...
+    xpath_str += f"' {class_name_prefix} ')]" # Step 5: compared against the class name with a single space on either side.
+    try:
+        match = driver.find_element(By.XPATH, xpath_str)
+        return match.get_attribute('textContent')
+    except selenium.common.exceptions.NoSuchElementException as nsee:
+        pass
+
+    # We didn't find a match, try again by doing a prefix match and assume
+    # the full class name ends with two underscores followed by a cache-
+    # busting string.    
+    xpath_str = "//*[contains("                 # Step 1: search for a class name by matching the beginning of the class name against...
+    xpath_str += "concat(' ', "                 # Step 2: a leading space, followed by...
+    xpath_str += "normalize-space(@class)), "   # Step 3: the list of class names, separated by single spaces...
+    xpath_str += f"' {class_name_prefix}__')]"  # Step 4: compared against the class name prefixed with a single space and ending with two underscores.
+    try:
+        match = driver.find_element(By.XPATH, xpath_str)
+        return match.get_attribute('textContent')
+    except selenium.common.exceptions.NoSuchElementException as nsee:
+        pass
+
+    # No match, return empty string.
+    return ''
+
+def callback(message):
+    '''
+    Callback function for Pub/Sub messages
+    '''
+    # Extract zip code from message data
+    zip_code = message.message.data.decode('utf-8')
+
+    print(f"Received zip code: {zip_code}")
+
+    while True:
+        try:
+            # Enter zip code in the input field and click the "Check" button
+            WebDriverWait(driver, 2).until(lambda d: d.find_element(By.XPATH, '/html/body/div[2]/div/header/div[3]/div/div/div[2]/div[1]'))
+            zip_button = driver.find_element(By.XPATH, '/html/body/div[2]/div/header/div[3]/div/div/div[2]/div[1]')
+            # print(f"{zip_button:}")
+            zip_button.click()
+            # time.sleep(1)
+
+            WebDriverWait(driver, 2).until(lambda d: d.find_element(By.XPATH, '//div/label/following-sibling::input'))
+            zip_input = driver.find_element(By.XPATH, '//div/label/following-sibling::input')
+            # print(f"{zip_input:}")
+            zip_input.click()
+            # print("clearing zip_input")
+            zip_input.send_keys("\b\b\b\b\b\b\b\b\b\b")
+            for i in range(1,10):
+                zip_input.send_keys(Keys.DELETE)
+            # print("sending zip code")
+            zip_input.send_keys(zip_code)
+
+            WebDriverWait(driver, 2).until(lambda d: d.find_element(By.XPATH, "//button[text() = 'Confirm']"))
+            check_button = driver.find_element(By.XPATH, "//button[text() = 'Confirm']")
+            print(f"{check_button:}")
+            check_button.click()
+            # time.sleep(2)
+            break
+        except Exception as e:
+            print(f"Exception when changing zip code: {e}, trying to close modal dialogs")
+            close_modals()
+
+        # try:
+        #     time.sleep(2)
+        #     # Clear any notice
+        #     notice_close = driver.find_element(By.XPATH, "/html/body/div[3]/div/div[2]/div/div[2]/div/div/div[1]/div[2]/button")
+        #     print(f"notice_close = {notice_close}")
+        #     notice_close.click()
+        #     time.sleep(2)
+        # except:
+        #     pass
+
+    try:
+        try:
+            # time.sleep(2)
+            # Clear any modal dialog
+            # modal_close = driver.find_element(By.XPATH, "//*[contains(concat(' ', normalize-space(@class), ' '), ' icon-icon-close-s ')]")
+            modal_close = WebDriverWait(driver, 2).until(
+            EC.presence_of_element_located((By.XPATH, "//*[contains(concat(' ', normalize-space(@class), ' '), ' icon-icon-close-s ')]"))
+        )
+            print(f"modal_close = {modal_close}")
+            modal_close.click()
+            # time.sleep(2)
+        except:
+            pass
+
+
+        try:
+            # time.sleep(1)
+            # Clear any notice
+            # notice_close = driver.find_element(By.XPATH, "/html/body/div[3]/div/div[2]/div/div[2]/div/div/div[1]/div[2]/button")
+            notice_close = WebDriverWait(driver, 5).until(
+            EC.presence_of_element_located((By.XPATH, "/html/body/div[3]/div/div[2]/div/div[2]/div/div/div[1]/div[2]/button"))
+        )
+            print(f"notice_close = {notice_close}")
+            notice_close.click()
+            # time.sleep(1)
+        except:
+            pass
+        
+        # Enter zip code in the input field and click the "Check" button
+        # zip_button = driver.find_element(By.XPATH, '/html/body/div[2]/div/header/div[3]/div/div/div[2]/div[1]')
+        zip_button = WebDriverWait(driver, 5).until(
+            EC.presence_of_element_located((By.XPATH, '/html/body/div[2]/div/header/div[3]/div/div/div[2]/div[1]'))
+        )
+        # print(f"{zip_button:}")
+        zip_button.click()
+        # time.sleep(1)
+
+        # zip_input = driver.find_element(By.XPATH, '//div/label/following-sibling::input')
+        zip_input = WebDriverWait(driver, 2).until(
+            EC.presence_of_element_located((By.XPATH, '//div/label/following-sibling::input'))
+        )
+        # print(f"{zip_input:}")
+        zip_input.click()
+        # print("clearing zip_input")
+        zip_input.send_keys("\b\b\b\b\b")
+        # print("sending zip code")
+        zip_input.send_keys(zip_code)
+
+        check_button = driver.find_element(By.XPATH, "//button[text() = 'Confirm']")
+        check_button = WebDriverWait(driver, 2).until(EC.presence_of_element_located((By.XPATH,"//button[text() = 'Confirm']")))
+        # print(f"{check_button:}")
+        check_button.click()
+        # time.sleep(2)
+
+        try:
+            # time.sleep(2)
+            # Clear any notice
+            # notice_close = driver.find_element(By.XPATH, "/html/body/div[3]/div/div[2]/div/div[2]/div/div/div[1]/div[2]/button")
+            notice_close = WebDriverWait(driver, 2).until(EC.presence_of_element_located((By.XPATH, "/html/body/div[3]/div/div[2]/div/div[2]/div/div/div[1]/div[2]/button")))
+            # print(f"notice_close = {notice_close}")
+            notice_close.click()
+            #time.sleep(2)
+        except:
+            pass
+
+        try:
+            # Clear any modal dialog
+            modal_close = WebDriverWait(driver, 2).until(EC.presence_of_element_located((By.XPATH, "//*[contains(concat(' ', normalize-space(@class), ' '), ' icon-icon-close-s ')]")))
+            # print(f"modal_close = {modal_close}")
+            modal_close.click()
+        except:
+            pass
+
+        # Record sales count, if any
+        sales_count = get_element_text('Header_count')
+        # Record any sold status notice
+        sold_status = get_element_text('soldStatusNotice')
+
+        # Check if there's a minimum order quantity
+        min_quantity: float = 0
+        total_price: float = 0
+        try:
+            minimum_quantity_str = driver.find_element(By.XPATH, "//div[contains(concat(' ', normalize-space(@class), ' '), ' minQuantity ')]").get_attribute('innerHTML')
+            if minimum_quantity_str:
+                regexp="Minimum purchase: (\d+) \(\$(\d+\.\d{2}?)"
+                match = re.search(regexp, minimum_quantity_str)
+                min_quantity, total_price = match.groups()
+
+        except selenium.common.exceptions.NoSuchElementException as nsee:
+            print("No minimum purchase string found")
+        except Exception as e:
+            print(f"Exception when finding minimum purchase string: {e}")
+
+        # Get the price as displayed on the web page
+        displayed_price = driver.find_element(By.XPATH, "//div[contains(concat(' ', normalize-space(@class), ' '), ' price_price ')]").get_attribute('innerText').replace('$', '')
+        print(f"displayed_price = {displayed_price}")
+
+        # Extract the price of rice crackers for this zip code     
+        '''
+        price_element = driver.find_element(By.XPATH, '/html/body/div[2]/div/div[1]/div[1]/div/div/div[2]/div[2]/div[1]/div[4]/div[1]/div')
+        price = price_element.text.strip()[1:]
+        print(price)
+        '''
+
+        # Get the price from the ld+json element
+        ld_json_element = driver.find_element(By.XPATH, "//script[@type='application/ld+json']")
+        ld_json_text = ld_json_element.get_attribute('innerHTML')
+        ld_json_start_index = ld_json_text.index('{')
+        ld_json_end_index = ld_json_text.rindex('}') + 1
+        ld_json_json = ld_json_text[ld_json_start_index:ld_json_end_index]
+        ld_json = json.loads(ld_json_json)
+        ld_json_price = ld_json['offers']['price']
+        # Print the price
+        print(f"ld_json_price = {ld_json_price}")
+
+        subscriber.acknowledge(ack_ids = [message.ack_id], subscription = subscription_path)  # acknowledge receipt of message
+        # Append the zip code and price to the dataframe
+        #append_to_df(zip_code, price)
+        new_row = pd.DataFrame({'Product ID': [product_id],
+            'Zip Code': [zip_code],
+            'Displayed Price': [displayed_price],
+            'ld+json Price': [ld_json_price],
+            'Minimum Quantity': [min_quantity],
+            'Total Price': [total_price],
+            'Sales Count': [sales_count],
+            'Sold Status': [sold_status]})
+        return pd.concat([df, new_row], ignore_index=True)
+        #print(f"Recorded the zip code and price: {zip_code},{price}")
+        #print(f"Updated a dataframe: {df}")
+
+    except Exception as e:
+        print(f"Caught exception {type(e)}: {e}")
+        print(f"Price not found for zip code {zip_code}")
+        price = 'Price not found'
+        return df
+
+# Start receiving messages (sync version)
+while True: 
+    pull_request = pubsub_v1.types.PullRequest(max_messages = 1, subscription = subscription_path)
+    messages = []
+    try:
+        pull_response = subscriber.pull(request = pull_request)
+        messages = pull_response.received_messages
+    except DeadlineExceeded:
+        pass
+
+    if messages:
+        df = callback(messages[0])
+        print(f"Updated a dataframe: {df}")
+        df.to_hdf('product1.h5', key='df',mode='w')
+    else:
+        print(f"No messages in subscription {subscription_path} at {time.asctime()}, trying again...")
+        continue
+
+# Open the HDF5 file in a separate window
+if sys.platform.startswith("win32"):
+    os.startfile('product1.h5')
+
+# Start receiving messages (async version)
+#flow_control = pubsub_v1.types.FlowControl(max_messages = 1)
+#streaming_pull_future = subscriber.subscribe(subscription_path, 
+#    callback=callback, 
+#    flow_control=flow_control)
+
+# print(f'Started receiving messages from subscription {subscription_path}...')
+
+# Wrap subscriber in a 'with' block to automatically call close() when done.
+# with subscriber:
+#    try:
+        # When `timeout` is not set, result() will block indefinitely,
+        # unless an exception is encountered first.
+#        streaming_pull_future.result(timeout=timeout)
+#    except TimeoutError:
+#        streaming_pull_future.cancel()  # Trigger the shutdown.
+#        streaming_pull_future.result()  # Block until the shutdown is complete.
+
+# Keep the script running indefinitely to continue receiving messages
+#while True:
+#    time.sleep(10)

fp2_12.py

@@ -0,0 +1,199 @@
+from google.cloud import pubsub_v1
+from google.api_core.exceptions import DeadlineExceeded
+from selenium import webdriver
+from selenium.webdriver.chrome.options import Options
+from selenium.webdriver.common.by import By
+import json
+import time
+from concurrent.futures import TimeoutError
+import pandas as pd
+from selenium.webdriver.support.ui import WebDriverWait
+from selenium.webdriver.support import expected_conditions as EC
+
+# Create an empty dataframe to store the prices
+df = pd.DataFrame(columns=['Zip Code', 'Price'])
+print(f"Created a dataframe: {df}")
+
+# Configure the Selenium driver options
+options = Options()
+options.add_argument('--disable-gpu')
+driver = webdriver.Chrome(options=options)
+
+# Set up Pub/Sub subscription
+project_id = "fp-20230425"
+subscription_name = "fp-subscription-NFL-zipcodes"
+subscriber = pubsub_v1.SubscriberClient()
+subscription_path = subscriber.subscription_path(project_id, subscription_name)
+
+# Load the product page and extract the __NEXT_DATA__ data
+url = 'https://www.sayweee.com/en/product/Want-Want-Senbei-Rice-Crackers/17119'
+driver.delete_all_cookies
+driver.get(url)
+# time.sleep(5)
+
+# time.sleep(2)
+# Close the cookies setting window
+try:  
+    # cookie_button = driver.find_element(By.XPATH, "/html/body/div[3]/div[2]/div/div/div[3]/button")
+    cookie_button = WebDriverWait(driver, 2).until(
+        EC.presence_of_element_located((By.XPATH, "/html/body/div[3]/div[2]/div/div/div[3]/button"))
+    )
+    print(f"cookie_button = {cookie_button}")
+    cookie_button.click()
+except:
+    pass
+
+# time.sleep(1)
+# Clear any modal dialog
+try:    
+    # modal_close = driver.find_element(By.XPATH, "//*[contains(concat(' ', normalize-space(@class), ' '), ' icon-icon-close-s ')]")
+    modal_close = WebDriverWait(driver, 2).until(
+        EC.presence_of_element_located((By.XPATH, "//*[contains(concat(' ', normalize-space(@class), ' '), ' icon-icon-close-s ')]"))
+    )
+    print(f"modal_close = {modal_close}")
+    modal_close.click()
+    #time.sleep(2)
+except:
+    pass
+
+# Define callback function for Pub/Sub messages
+def callback(message):
+    # Extract zip code from message data
+    zip_code = message.message.data.decode('utf-8')
+
+    print(f"Received zip code: {zip_code}")
+
+    try:
+        try:
+            # time.sleep(2)
+            # Clear any modal dialog
+            # modal_close = driver.find_element(By.XPATH, "//*[contains(concat(' ', normalize-space(@class), ' '), ' icon-icon-close-s ')]")
+            modal_close = WebDriverWait(driver, 2).until(
+            EC.presence_of_element_located((By.XPATH, "//*[contains(concat(' ', normalize-space(@class), ' '), ' icon-icon-close-s ')]"))
+        )
+            # print(f"modal_close = {modal_close}")
+            modal_close.click()
+            # time.sleep(2)
+        except:
+            pass
+
+
+        try:
+            # time.sleep(1)
+            # Clear any notice
+            # notice_close = driver.find_element(By.XPATH, "/html/body/div[3]/div/div[2]/div/div[2]/div/div/div[1]/div[2]/button")
+            notice_close = WebDriverWait(driver, 5).until(
+            EC.presence_of_element_located((By.XPATH, "/html/body/div[3]/div/div[2]/div/div[2]/div/div/div[1]/div[2]/button"))
+        )
+            # print(f"notice_close = {notice_close}")
+            notice_close.click()
+            # time.sleep(1)
+        except:
+            pass
+        
+        # Enter zip code in the input field and click the "Check" button
+        # zip_button = driver.find_element(By.XPATH, '/html/body/div[2]/div/header/div[3]/div/div/div[2]/div[1]')
+        zip_button = WebDriverWait(driver, 5).until(
+            EC.presence_of_element_located((By.XPATH, '/html/body/div[2]/div/header/div[3]/div/div/div[2]/div[1]'))
+        )
+        # print(f"{zip_button:}")
+        zip_button.click()
+        # time.sleep(1)
+
+        # zip_input = driver.find_element(By.XPATH, '//div/label/following-sibling::input')
+        zip_input = WebDriverWait(driver, 2).until(
+            EC.presence_of_element_located((By.XPATH, '//div/label/following-sibling::input'))
+        )
+        # print(f"{zip_input:}")
+        zip_input.click()
+        # print("clearing zip_input")
+        zip_input.send_keys("\b\b\b\b\b")
+        # print("sending zip code")
+        zip_input.send_keys(zip_code)
+
+        check_button = driver.find_element(By.XPATH, "//button[text() = 'Confirm']")
+        check_button = WebDriverWait(driver, 2).until(EC.presence_of_element_located((By.XPATH,"//button[text() = 'Confirm']")))
+        # print(f"{check_button:}")
+        check_button.click()
+        # time.sleep(2)
+
+        try:
+            # time.sleep(2)
+            # Clear any notice
+            # notice_close = driver.find_element(By.XPATH, "/html/body/div[3]/div/div[2]/div/div[2]/div/div/div[1]/div[2]/button")
+            notice_close = WebDriverWait(driver, 2).until(EC.presence_of_element_located((By.XPATH, "/html/body/div[3]/div/div[2]/div/div[2]/div/div/div[1]/div[2]/button")))
+            # print(f"notice_close = {notice_close}")
+            notice_close.click()
+            #time.sleep(2)
+        except:
+            pass
+
+
+    # Extract the price of rice crackers for this zip code
+        
+        # next_data_element = driver.find_element(By.XPATH, "//script[@type='application/ld+json']")
+        next_data_element = WebDriverWait(driver, 2).until(EC.presence_of_element_located((By.XPATH, '//*[@id="__next"]/div/div[1]/div[1]/div/div/div[2]/div[2]/div[1]/div[4]/div[1]/div')))
+        next_data_text = next_data_element.get_attribute('nodeValue')
+        price = next_data_text.text
+        '''
+        next_data_text = next_data_element.get_attribute('innerHTML')
+        next_data_start_index = next_data_text.index('{')
+        next_data_end_index = next_data_text.rindex('}') + 1
+        next_data_json = next_data_text[next_data_start_index:next_data_end_index]
+        next_data = json.loads(next_data_json)
+        price = next_data['price']
+        '''
+        # Print the price
+        print(price)
+
+        '''
+        try:
+            min_quantity_element = WebDriverWait(driver, 2).until(EC.presence_of_element_located((By.XPATH, '//script[@id="__NEXT_DATA__"]')))
+            min_quantity_text = min_quantity_element.get_attribute('innerHTML')
+            min_quantity_start_index = min_quantity_text.index('{')
+            min_quantity_end_index = min_quantity_text.rindex('}') + 1
+            min_quantity_json = min_quantity_text[min_quantity_start_index:min_quantity_end_index]
+            min_quantity = json.loads(min_quantity_json)
+            price = min_quantity['product']['price']
+        except:
+            next_data_element = WebDriverWait(driver, 2).until(EC.presence_of_element_located((By.XPATH, "//script[@type='application/ld+json']")))
+            next_data_text = next_data_element.get_attribute('innerHTML')
+            next_data_start_index = next_data_text.index('{')
+            next_data_end_index = next_data_text.rindex('}') + 1
+            next_data_json = next_data_text[next_data_start_index:next_data_end_index]
+            next_data = json.loads(next_data_json)        
+            price = next_data['offers']['price']
+        finally:
+            # Print the price
+            print(price)
+        '''
+
+        subscriber.acknowledge(ack_ids = [message.ack_id], subscription = subscription_path)  # acknowledge receipt of message
+        # Append the zip code and price to the dataframe
+        #append_to_df(zip_code, price)
+        new_row = pd.DataFrame({'Zip Code': [zip_code], 'Price': [price]})
+        return pd.concat([df, new_row], ignore_index=True)
+        #print(f"Recorded the zip code and price: {zip_code},{price}")
+        #print(f"Updated a dataframe: {df}")
+
+    except Exception as e:
+        print(f"Caught exception: {e}")
+        print(f"Price not found for zip code {zip_code}")
+        price = 'Price not found'
+        return df
+
+# Start receiving messages (sync version)
+while True: 
+    pull_request = pubsub_v1.types.PullRequest(max_messages = 1, subscription = subscription_path)
+    messages = []
+    try:
+        pull_response = subscriber.pull(request = pull_request)
+        messages = pull_response.received_messages
+    except DeadlineExceeded:
+        pass
+
+    if messages:
+        df = callback(messages[0])
+        print(f"Updated a dataframe: {df}")
+    else:
+        print(f"no messages, trying again at {time.asctime()}")

fp2_13.py

@@ -0,0 +1,271 @@
+from google.cloud import pubsub_v1
+from google.api_core.exceptions import DeadlineExceeded
+from selenium import webdriver
+from selenium.webdriver.chrome.options import Options
+from selenium.webdriver.common.by import By
+import json
+import time
+import os
+from concurrent.futures import TimeoutError
+import pandas as pd
+from selenium.webdriver.support.ui import WebDriverWait
+from selenium.webdriver.support import expected_conditions as EC
+import selenium.common.exceptions
+import re
+
+# os.environ["GOOGLE_APPLICATION_CREDENTIALS"] = "C:/Users/Karen/AppData/Roaming/gcloud/application_default_credentials.json"
+
+# Create an empty dataframe to store the prices
+df = pd.DataFrame(columns=['Product ID', 'Zip Code', 'Shown Price', 'Minimum Quantity', 'Total Price', 'Unit Price','Sales Count','Sold Status'])
+print(f"Created a dataframe: {df}")
+
+# Configure the Selenium driver options
+options = Options()
+options.add_argument('--disable-gpu')
+driver = webdriver.Chrome(options=options)
+
+# Set up Pub/Sub subscription
+project_id = "fp-20230425"
+subscription_name = "fp-subscription-NFL-zipcodes"
+subscriber = pubsub_v1.SubscriberClient()
+subscription_path = subscriber.subscription_path(project_id, subscription_name)
+
+# Load the product page and extract the __NEXT_DATA__ data
+url = 'https://www.sayweee.com/en/product/House-Foods-Firm-Tofu-/85175?trace_id=c93f3d1a-80a4-4e1a-8d41-a402ae43186f'
+product_id = url.split("/")[-1][:5]
+# product_id = url.split("/")[-1]
+driver.delete_all_cookies
+driver.get(url)
+# time.sleep(5)
+
+def get_element_text(class_name_prefix):
+    '''
+    Return the text in the first element with a given class name.
+
+    Note that XPath doesn't have a function to check if a given word is present
+    in a list of words, so using contains() will match a class name even if
+    the class name is a substring of the class name being matched against.
+    To prevent this, we use spaces as a delimiter at the beginning and end of
+    the class name, and ensure there's only one space before and after all
+    class names in the class name list.
+
+    Example: consider two class names with cache-busting suffixes:
+      * Header_soldStatusNotice__12345
+      * Header_soldStatusNoticeBackground__ABCDE
+
+    Matching against Header_soldStatusNotice using a naive implementation with
+    `contains()` would match both class names, even though only the first one
+    is the correct match. 
+    '''
+    # Construct xpath selector.  
+    xpath_str = "//*[contains("               # Step 1: search for a class name by matching the beginning of the class name against...
+    xpath_str += "concat(' ', "               # Step 2: a leading space, followed by...
+    xpath_str += "normalize-space(@class), "  # Step 3: the list of class names, separated by single spaces...
+    xpath_str += "' '), "                     # Step 4: a trailing space...
+    xpath_str += f"' {class_name_prefix} ')]" # Step 5: compared against the class name with a single space on either side.
+    try:
+        match = driver.find_element(By.XPATH, xpath_str)
+        return match.get_attribute('textContent')
+    except selenium.common.exceptions.NoSuchElementException as nsee:
+        pass
+
+    # We didn't find a match, try again by doing a prefix match and assume
+    # the full class name ends with two underscores followed by a cache-
+    # busting string.    
+    xpath_str = "//*[contains("                 # Step 1: search for a class name by matching the beginning of the class name against...
+    xpath_str += "concat(' ', "                 # Step 2: a leading space, followed by...
+    xpath_str += "normalize-space(@class)), "   # Step 3: the list of class names, separated by single spaces...
+    xpath_str += f"' {class_name_prefix}__')]"  # Step 4: compared against the class name prefixed with a single space and ending with two underscores.
+    try:
+        match = driver.find_element(By.XPATH, xpath_str)
+        return match.get_attribute('textContent')
+    except selenium.common.exceptions.NoSuchElementException as nsee:
+        pass
+
+    # No match, return empty string.
+    return ''
+
+
+# time.sleep(2)
+# Close the cookies setting window
+try:  
+    # cookie_button = driver.find_element(By.XPATH, "/html/body/div[3]/div[2]/div/div/div[3]/button")
+    cookie_button = WebDriverWait(driver, 2).until(
+        EC.presence_of_element_located((By.XPATH, "/html/body/div[3]/div[2]/div/div/div[3]/button"))
+    )
+    print(f"cookie_button = {cookie_button}")
+    cookie_button.click()
+except:
+    pass
+
+# time.sleep(1)
+# Clear any modal dialog
+try:    
+    # modal_close = driver.find_element(By.XPATH, "//*[contains(concat(' ', normalize-space(@class), ' '), ' icon-icon-close-s ')]")
+    modal_close = WebDriverWait(driver, 2).until(
+        EC.presence_of_element_located((By.XPATH, "//*[contains(concat(' ', normalize-space(@class), ' '), ' icon-icon-close-s ')]"))
+    )
+    print(f"modal_close = {modal_close}")
+    modal_close.click()
+    #time.sleep(2)
+except:
+    pass
+
+# Define callback function for Pub/Sub messages
+def callback(message):
+    # Extract zip code from message data
+    zip_code = message.message.data.decode('utf-8')
+
+    print(f"Received zip code: {zip_code}")
+
+    try:
+        try:
+            # time.sleep(2)
+            # Clear any modal dialog
+            # modal_close = driver.find_element(By.XPATH, "//*[contains(concat(' ', normalize-space(@class), ' '), ' icon-icon-close-s ')]")
+            modal_close = WebDriverWait(driver, 2).until(
+            EC.presence_of_element_located((By.XPATH, "//*[contains(concat(' ', normalize-space(@class), ' '), ' icon-icon-close-s ')]"))
+        )
+            # print(f"modal_close = {modal_close}")
+            modal_close.click()
+            # time.sleep(2)
+        except:
+            pass
+
+
+        try:
+            # time.sleep(1)
+            # Clear any notice
+            # notice_close = driver.find_element(By.XPATH, "/html/body/div[3]/div/div[2]/div/div[2]/div/div/div[1]/div[2]/button")
+            notice_close = WebDriverWait(driver, 5).until(
+            EC.presence_of_element_located((By.XPATH, "/html/body/div[3]/div/div[2]/div/div[2]/div/div/div[1]/div[2]/button"))
+        )
+            # print(f"notice_close = {notice_close}")
+            notice_close.click()
+            # time.sleep(1)
+        except:
+            pass
+        
+        # Enter zip code in the input field and click the "Check" button
+        # zip_button = driver.find_element(By.XPATH, '/html/body/div[2]/div/header/div[3]/div/div/div[2]/div[1]')
+        zip_button = WebDriverWait(driver, 5).until(
+            EC.presence_of_element_located((By.XPATH, '/html/body/div[2]/div/header/div[3]/div/div/div[2]/div[1]'))
+        )
+        # print(f"{zip_button:}")
+        zip_button.click()
+        # time.sleep(1)
+
+        # zip_input = driver.find_element(By.XPATH, '//div/label/following-sibling::input')
+        zip_input = WebDriverWait(driver, 2).until(
+            EC.presence_of_element_located((By.XPATH, '//div/label/following-sibling::input'))
+        )
+        # print(f"{zip_input:}")
+        zip_input.click()
+        # print("clearing zip_input")
+        zip_input.send_keys("\b\b\b\b\b")
+        # print("sending zip code")
+        zip_input.send_keys(zip_code)
+
+        check_button = driver.find_element(By.XPATH, "//button[text() = 'Confirm']")
+        check_button = WebDriverWait(driver, 2).until(EC.presence_of_element_located((By.XPATH,"//button[text() = 'Confirm']")))
+        # print(f"{check_button:}")
+        check_button.click()
+        # time.sleep(2)
+
+        try:
+            # time.sleep(2)
+            # Clear any notice
+            # notice_close = driver.find_element(By.XPATH, "/html/body/div[3]/div/div[2]/div/div[2]/div/div/div[1]/div[2]/button")
+            notice_close = WebDriverWait(driver, 2).until(EC.presence_of_element_located((By.XPATH, "/html/body/div[3]/div/div[2]/div/div[2]/div/div/div[1]/div[2]/button")))
+            # print(f"notice_close = {notice_close}")
+            notice_close.click()
+            #time.sleep(2)
+        except:
+            pass
+
+        try:
+            # Clear any modal dialog
+            modal_close = WebDriverWait(driver, 2).until(EC.presence_of_element_located((By.XPATH, "//*[contains(concat(' ', normalize-space(@class), ' '), ' icon-icon-close-s ')]")))
+            # print(f"modal_close = {modal_close}")
+            modal_close.click()
+        except:
+            pass
+
+        # Record sales count, if any
+        sales_count_element = get_element_text('Header_count')
+        count_start_index = sales_count_element.index('sold ') + len('sold ')
+        count_end_index = sales_count_element.index('+')
+        sales_count = sales_count_element[count_start_index:count_end_index]
+        # Record any sold status notice
+        sold_status = get_element_text('UnavailableCartbtn_container')
+        if sold_status == 'Notify me':
+            sold_status = 'Sold Out'
+
+    # Extract the price of rice crackers for this zip code
+        # Check if there is a minimum order quantity
+        min_quantity: float = 0
+        total_price: float = 0
+        unit_price: float = 0
+        try:
+            minimum_quantity_str = driver.find_element(By.XPATH, "//div[contains(@class, 'minQuantity')]").get_attribute('innerHTML')
+            if minimum_quantity_str:
+                regexp = "Minimum purchase: (\d+) \(\$(\d+\.\d{2}?)"
+                match = re.search(regexp,minimum_quantity_str)
+                min_quantity, total_price = match.groups()
+        except selenium.common.exceptions.NoSuchElementException as nsee:
+            print("No minimum purhcase string found")
+        except Exception as e:
+            print(f"Exception when finding minimum purchase string: {e}")
+ 
+
+
+        ld_json_element = driver.find_element(By.XPATH, "//script[@type='application/ld+json']")
+        ld_json_text = ld_json_element.get_attribute('innerHTML')
+        ld_json_start_index = ld_json_text.index('{')
+        ld_json_end_index = ld_json_text.rindex('}') + 1
+        ld_json_json = ld_json_text[ld_json_start_index:ld_json_end_index]
+        ld_json = json.loads(ld_json_json)
+        ld_json_price = ld_json['offers']['price']
+        # Print the price
+        print(ld_json_price)
+
+        unit_price_element = driver.find_element(By.XPATH,"//div[contains(@class, 'price_price')]").get_attribute('innerText')
+        unit_price = unit_price_element.replace("$", "")
+        print(f"unit_price = {unit_price}" )
+
+        subscriber.acknowledge(ack_ids = [message.ack_id], subscription = subscription_path)  # acknowledge receipt of message
+        # Append the zip code and price to the dataframe
+        #append_to_df(zip_code, price)
+        new_row = pd.DataFrame({'Product ID': [product_id], 'Zip Code': [zip_code], 'Shown Price': [ld_json_price], 'Minimum Quantity': [min_quantity], 'Total Price': [total_price], 'Unit Price': [unit_price], 'Sales Count': [sales_count], 'Sold Status': [sold_status]})
+        return pd.concat([df, new_row], ignore_index=True)
+        #print(f"Recorded the zip code and price: {zip_code},{price}")
+        #print(f"Updated a dataframe: {df}")
+
+    except Exception as e:
+        print(f"Caught exception: {e}")
+        print(f"Price not found for zip code {zip_code}")
+        price = 'Price not found'
+        return df
+
+# Start receiving messages (sync version)
+while True: 
+    pull_request = pubsub_v1.types.PullRequest(max_messages = 1, subscription = subscription_path)
+    messages = []
+    try:
+        pull_response = subscriber.pull(request = pull_request)
+        messages = pull_response.received_messages
+    except DeadlineExceeded:
+        pass
+
+    if messages:
+        df = callback(messages[0])
+        print(f"Updated a dataframe: {df}")
+    else:
+        print(f"no messages, trying again at {time.asctime()}")
+        break
+
+# df.to_hdf('product1.h5', key='df',mode='w')
+# df.to_hdf('product1.h5', key='df',mode='a')
+
+# Open the HDF5 file in a separate window
+# os.startfile('product1.h5')

fp2_14.py

@@ -0,0 +1,280 @@
+from google.cloud import pubsub_v1
+from google.api_core.exceptions import DeadlineExceeded
+from selenium import webdriver
+from selenium.webdriver.chrome.options import Options
+from selenium.webdriver.common.by import By
+import json
+import time
+from concurrent.futures import TimeoutError
+import pandas as pd
+from selenium.webdriver.support.ui import WebDriverWait
+from selenium.webdriver.support import expected_conditions as EC
+import selenium.common.exceptions
+import re
+from datetime import datetime
+import h5py
+import sys
+import ntplib
+import arrow
+
+# This fp2_14.py is used to load the new price and the timestamp, and append such data in an existing key in the HDF5 file "product1.h5"
+
+def get_product_prices(project_id, subscription_name, url):
+    # Create an empty dataframe to store the prices
+    df_new = pd.DataFrame(columns=['Product ID', 'Zip Code', 'Shown Price', 'Minimum Quantity', 'Total Price', 'Unit Price','Sales Count','Sold Status'])
+    print(f"Created a dataframe: {df_new}")
+
+    # Configure the Selenium driver options
+    options = Options()
+    options.add_argument('--disable-gpu')
+    driver = webdriver.Chrome(options=options)
+
+    # Set up Pub/Sub subscription
+    '''
+    project_id = "fp-20230425"
+    subscription_name = "fp-subscription-NFL-zipcodes"
+    '''
+    subscriber = pubsub_v1.SubscriberClient()
+    subscription_path = subscriber.subscription_path(project_id, subscription_name)
+
+
+    # Load the product page and extract the __NEXT_DATA__ data
+    # url = 'https://www.sayweee.com/en/product/House-Foods-Firm-Tofu-/85175?trace_id=c93f3d1a-80a4-4e1a-8d41-a402ae43186f'
+    product_id = url.split("/")[-1][:5]
+    # product_id = url.split("/")[-1]
+    driver.delete_all_cookies
+    driver.get(url)
+
+    def get_element_text(class_name_prefix):
+        '''
+        Return the text in the first element with a given class name.
+
+        Note that XPath doesn't have a function to check if a given word is present
+        in a list of words, so using contains() will match a class name even if
+        the class name is a substring of the class name being matched against.
+        To prevent this, we use spaces as a delimiter at the beginning and end of
+        the class name, and ensure there's only one space before and after all
+        class names in the class name list.
+
+        Example: consider two class names with cache-busting suffixes:
+        * Header_soldStatusNotice__12345
+        * Header_soldStatusNoticeBackground__ABCDE
+
+        Matching against Header_soldStatusNotice using a naive implementation with
+        `contains()` would match both class names, even though only the first one
+        is the correct match. 
+        '''
+        # Construct xpath selector.  
+        xpath_str = "//*[contains("               # Step 1: search for a class name by matching the beginning of the class name against...
+        xpath_str += "concat(' ', "               # Step 2: a leading space, followed by...
+        xpath_str += "normalize-space(@class), "  # Step 3: the list of class names, separated by single spaces...
+        xpath_str += "' '), "                     # Step 4: a trailing space...
+        xpath_str += f"' {class_name_prefix} ')]" # Step 5: compared against the class name with a single space on either side.
+        try:
+            match = driver.find_element(By.XPATH, xpath_str)
+            return match.get_attribute('textContent')
+        except selenium.common.exceptions.NoSuchElementException as nsee:
+            pass
+
+        # We didn't find a match, try again by doing a prefix match and assume
+        # the full class name ends with two underscores followed by a cache-
+        # busting string.    
+        xpath_str = "//*[contains("                 # Step 1: search for a class name by matching the beginning of the class name against...
+        xpath_str += "concat(' ', "                 # Step 2: a leading space, followed by...
+        xpath_str += "normalize-space(@class)), "   # Step 3: the list of class names, separated by single spaces...
+        xpath_str += f"' {class_name_prefix}__')]"  # Step 4: compared against the class name prefixed with a single space and ending with two underscores.
+        try:
+            match = driver.find_element(By.XPATH, xpath_str)
+            return match.get_attribute('textContent')
+        except selenium.common.exceptions.NoSuchElementException as nsee:
+            pass
+
+        # No match, return empty string.
+        return ''
+
+
+    def modal_close():
+        try:    
+            modal_close = WebDriverWait(driver, 2).until(EC.presence_of_element_located((By.XPATH, "//*[contains(concat(' ', normalize-space(@class), ' '), ' icon-icon-close-s ')]")))
+            print(f"modal_close = {modal_close}")
+            modal_close.click()
+        except:
+            pass
+
+    def notice_close():
+        try:
+            # Clear any notice
+            notice_close = WebDriverWait(driver, 2).until(EC.presence_of_element_located((By.XPATH, "/html/body/div[3]/div/div[2]/div/div[2]/div/div/div[1]/div[2]/button")))
+            # print(f"notice_close = {notice_close}")
+            notice_close.click()
+        except:
+            pass
+
+    def cookie_close():
+        try:  
+            cookie_button = WebDriverWait(driver, 2).until(
+                EC.presence_of_element_located((By.XPATH, "/html/body/div[3]/div[2]/div/div/div[3]/button"))
+            )
+            print(f"cookie_button = {cookie_button}")
+            cookie_button.click()
+        except:
+            pass
+
+    cookie_close()
+    modal_close()
+    # Define callback function for Pub/Sub messages
+    def callback(message):
+        # Extract zip code from message data
+        zip_code = message.message.data.decode('utf-8')
+
+        print(f"Received zip code: {zip_code}")
+
+        try:
+            
+            modal_close()
+            notice_close()
+
+            # Enter zip code in the input field and click the "Check" button
+            zip_button = WebDriverWait(driver, 5).until(
+                EC.presence_of_element_located((By.XPATH, '/html/body/div[2]/div/header/div[3]/div/div/div[2]/div[1]'))
+            )
+            # print(f"{zip_button:}")
+            zip_button.click()
+
+            # zip_input = driver.find_element(By.XPATH, '//div/label/following-sibling::input')
+            zip_input = WebDriverWait(driver, 2).until(
+                EC.presence_of_element_located((By.XPATH, '//div/label/following-sibling::input'))
+            )
+            # print(f"{zip_input:}")
+            zip_input.click()
+            # print("clearing zip_input")
+            zip_input.send_keys("\b\b\b\b\b")
+            # print("sending zip code")
+            zip_input.send_keys(zip_code)
+
+            check_button = driver.find_element(By.XPATH, "//button[text() = 'Confirm']")
+            check_button = WebDriverWait(driver, 2).until(EC.presence_of_element_located((By.XPATH,"//button[text() = 'Confirm']")))
+            # print(f"{check_button:}")
+            check_button.click()
+
+            notice_close()
+            modal_close()
+
+            # Record sales count, if any
+            sales_count_element = get_element_text('Header_count')
+            count_start_index = sales_count_element.index('sold ') + len('sold ')
+            count_end_index = sales_count_element.index('+')
+            sales_count = sales_count_element[count_start_index:count_end_index]
+            # Record any sold status notice
+            sold_status = get_element_text('UnavailableCartbtn_container')
+            if sold_status == 'Notify me':
+                sold_status = 'Sold Out'
+
+        # Extract the price of rice crackers for this zip code
+            # Check if there is a minimum order quantity
+            min_quantity: float = 0
+            total_price: float = 0
+            unit_price: float = 0
+            try:
+                minimum_quantity_str = WebDriverWait(driver, 5).until(EC.presence_of_element_located(((By.XPATH, "//div[contains(@class, 'minQuantity')]").get_attribute('innerHTML'))))
+                if minimum_quantity_str:
+                    regexp = "Minimum purchase: (\d+) \(\$(\d+\.\d{2}?)"
+                    match = re.search(regexp,minimum_quantity_str)
+                    min_quantity, total_price = match.groups()
+            except selenium.common.exceptions.NoSuchElementException as nsee:
+                print("No minimum purhcase string found")
+            except Exception as e:
+                print(f"Exception when finding minimum purchase string: {e}")
+    
+
+
+            ld_json_element = WebDriverWait(driver, 5).until(EC.presence_of_element_located((By.XPATH, "//script[@type='application/ld+json']")))
+            ld_json_text = ld_json_element.get_attribute('innerHTML')
+            ld_json_start_index = ld_json_text.index('{')
+            ld_json_end_index = ld_json_text.rindex('}') + 1
+            ld_json_json = ld_json_text[ld_json_start_index:ld_json_end_index]
+            ld_json = json.loads(ld_json_json)
+            ld_json_price = ld_json['offers']['price']
+            # Print the price
+            print(ld_json_price)
+
+            unit_price_element = WebDriverWait(driver, 5).until(EC.presence_of_element_located(((By.XPATH,"//div[contains(@class, 'price_price')]").get_attribute('innerText'))))
+            unit_price = unit_price_element.replace("$", "")
+            print(f"unit_price = {unit_price}" )
+
+            subscriber.acknowledge(ack_ids = [message.ack_id], subscription = subscription_path)  # acknowledge receipt of message
+            # Append the zip code and price to the dataframe
+            #append_to_df(zip_code, price)
+            new_row = pd.DataFrame({'Product ID': [product_id], 'Zip Code': [zip_code], 'Shown Price': [ld_json_price], 'Minimum Quantity': [min_quantity], 'Total Price': [total_price], 'Unit Price': [unit_price], 'Sales Count': [sales_count], 'Sold Status': [sold_status]})
+            df_new = pd.concat([df_new, new_row], ignore_index=True)
+            return df_new
+            #print(f"Recorded the zip code and price: {zip_code},{price}")
+            #print(f"Updated a dataframe: {df_new}")
+
+        except Exception as e:
+            print(f"Caught exception: {e}")
+            print(f"Price not found for zip code {zip_code}")
+            return df_new
+
+    # Start receiving messages (sync version)
+    while True: 
+        pull_request = pubsub_v1.types.PullRequest(max_messages = 1, subscription = subscription_path)
+        messages = []
+        try:
+            pull_response = subscriber.pull(request = pull_request)
+            messages = pull_response.received_messages
+        except DeadlineExceeded:
+            pass
+
+        if messages:
+            df_new = callback(messages[0])
+            print(f"Updated a dataframe: {df_new}")
+        else:
+            print(f"no messages, trying again at {time.asctime()}")
+            break
+    return df_new
+
+'''
+If using sys to get the function, please remove the following part of code.
+'''
+if __name__ == '__main__':
+    project_id = input("Enter the project ID: ")
+    subscription_name = input("Enter the subscription name: ")
+    url = input("Enter the URL: ")
+
+    get_product_prices(project_id, subscription_name, url)
+
+
+df_new = get_product_prices("fp-20230425", "fp-subscription-NFL-zipcodes", "https://www.sayweee.com/en/product/Want-Want-Senbei-Rice-Crackers/17119")
+
+# Now we have the new dataframe "df" recording the new price listed in weee's page
+# Load such data in the existing HDF5 file
+file_path = 'product1.h5'
+with h5py.File(file_path, 'a') as file:
+    # Load the existing dataframe 'df' from the HDF5 file
+    # REPLACE KEY TO GET THE EXISTING DATAFRAME FOR EACH DIFFERENT PRODUCT
+    df = pd.read_hdf(file, key='df')
+
+    # Add timestamp to the new dataframe "df_new"
+    # timestamp = datetime.now()
+    '''
+    To deal with the issue of inconsistent time when running a script on different systems, we can use 'ntplib' that
+    provides time synchronization with a reliable time server.
+    Also, to ensure that the local time is interpreted in the system's local time zone, we use 'arrow' which offers a
+    sensible and human-friendly approach to format and convert the timestamps.
+    '''
+    # Fetch the time from an NTP server
+    ntp_client = ntplib.NTPClient()
+    response = ntp_client.request('pool.ntp.org')
+    ntp_time = datetime.fromtimestamp(response.tx_time)
+    timestamp = arrow.get(ntp_time).to('local')
+    df_new['Timestamp'] = timestamp
+
+    # Append 'df_new' to the existing df stored in the key
+    df_update = df.append(df_new, ignore_index=True)
+
+    # Save 'df2' to the HDF5 file with the key 'df'
+    # REPLACE KEY FOR DIFFERENT PRODUCT
+    df_update.to_hdf(file, key='df', mode='a')
+
+print("Data appended and saved successfully.")

fp2_6.py

@@ -0,0 +1,126 @@
+from selenium import webdriver
+from selenium.webdriver.chrome.options import Options
+from selenium.webdriver.common.by import By
+import json
+import time
+from selenium.webdriver.support.ui import WebDriverWait
+from selenium.webdriver.support import expected_conditions as EC
+
+# Configure the Selenium driver options
+options = Options()
+options.add_argument('--disable-gpu')
+driver = webdriver.Chrome(options=options)
+
+# Define the zip codes for which to extract the price
+zip_codes = ['85305', '30313', '21230', '14127','28202','60605','45202','44114','76011','80204','48226','54304','77054','46225','32202','64129','89118','90301','33056','55415','02035','70112','07073','19148','15212','95054','98134','33607','37213','20785']
+
+# Load the page and extract the __NEXT_DATA__ data
+#url = 'https://www.sayweee.com/en/product/Want-Want-Senbei-Rice-Crackers/17119'
+url = 'https://www.sayweee.com/en/product/Lays-Potato-Chips-Cucumber-Flavor/51261'
+#url = 'https://www.sayweee.com/en/product/Glico-Pocky-Cookies-and-Cream-Family-Pack/79467'
+#url = 'https://www.sayweee.com/en/product/Xiang-Na-Lan-Thai-Jasmine-Rice/19566?category=dried01'
+#url = 'https://www.sayweee.com/en/product/Sekka-Premium-Japanese-Medium-Grain-Rice/81224'
+#url = 'https://www.sayweee.com/en/product/Big-Green-Spring-Farm-Organic-Millet/90991?category=dried02'
+#url = 'https://www.sayweee.com/en/product/Liuzhou-Guangxi-Specialty-LuoSiFen-Hot-Spicy-Noodles/95442?category=instant01'
+#url = 'https://www.sayweee.com/en/product/House-Foods-Firm-Tofu-/85175?trace_id=c93f3d1a-80a4-4e1a-8d41-a402ae43186f'
+#url = 'https://www.sayweee.com/en/product/Lactaid-Lactose-Free-2--Reduced-Fat-Milk/95353?trace_id=7847dd6e-c511-48e2-a76e-a283399967b1'
+#url = 'https://www.sayweee.com/en/product/Washington-Fuji-Apples/94817?category=fruits03'
+
+driver.delete_all_cookies
+driver.get(url)
+
+# Close the cookies setting window
+try:  
+    cookie_button = WebDriverWait(driver, 2).until(EC.presence_of_element_located((By.XPATH, "/html/body/div[3]/div[2]/div/div/div[3]/button")))
+    print(f"cookie_button = {cookie_button}")
+    cookie_button.click()
+except:
+    pass
+
+# Clear any modal dialog
+try:    
+    modal_close = WebDriverWait(driver, 2).until(EC.presence_of_element_located((By.XPATH, "//*[contains(concat(' ', normalize-space(@class), ' '), ' icon-icon-close-s ')]")))
+    print(f"modal_close = {modal_close}")
+    modal_close.click()
+except:
+    pass
+
+def callback(zip_code):
+    try:
+        try:
+            # Clear any modal dialog
+            modal_close = WebDriverWait(driver, 2).until(EC.presence_of_element_located((By.XPATH, "//*[contains(concat(' ', normalize-space(@class), ' '), ' icon-icon-close-s ')]")))
+            # print(f"modal_close = {modal_close}")
+            modal_close.click()
+        except:
+            pass
+
+
+        try:
+            # Clear any notice
+            notice_close = WebDriverWait(driver, 5).until(EC.presence_of_element_located((By.XPATH, "/html/body/div[3]/div/div[2]/div/div[2]/div/div/div[1]/div[2]/button")))
+            # print(f"notice_close = {notice_close}")
+            notice_close.click()
+        except:
+            pass
+
+        try:
+            # Clear any modal dialog
+            modal_close = WebDriverWait(driver, 2).until(EC.presence_of_element_located((By.XPATH, "//*[contains(concat(' ', normalize-space(@class), ' '), ' icon-icon-close-s ')]")))
+            # print(f"modal_close = {modal_close}")
+            modal_close.click()
+        except:
+            pass
+
+        # Enter zip code in the input field and click the "Check" button
+        zip_button = WebDriverWait(driver, 5).until(EC.presence_of_element_located((By.XPATH, '/html/body/div[2]/div/header/div[3]/div/div/div[2]/div[1]')))
+        # print(f"{zip_button:}")
+        zip_button.click()
+
+        zip_input = WebDriverWait(driver, 5).until(EC.presence_of_element_located((By.XPATH, '//div/label/following-sibling::input')))
+        # print(f"{zip_input:}")
+        zip_input.click()
+        # print("clearing zip_input")
+        zip_input.send_keys("\b\b\b\b\b")
+        # print("sending zip code")
+        zip_input.send_keys(zip_code)
+
+        try:
+            check_button = WebDriverWait(driver, 5).until(EC.presence_of_element_located((By.XPATH, "//button[text() = 'Confirm']")))
+            # print(f"{check_button:}")
+        except:
+            check_button = WebDriverWait(driver, 5).until(EC.presence_of_element_located((By.XPATH, "/html/body/div[5]/div/div[2]/div/div[2]/div[2]/div/div[1]/form/div/div/div[1]/div/div/div[3]/div/button")))
+        finally:
+            check_button.click()
+
+        try:
+            # Clear any notice
+            notice_close = WebDriverWait(driver, 5).until(EC.presence_of_element_located((By.XPATH, "/html/body/div[3]/div/div[2]/div/div[2]/div/div/div[1]/div[2]/button")))
+            # print(f"notice_close = {notice_close}")
+            notice_close.click()
+        except:
+            pass
+
+        try:
+            # Clear any modal dialog
+            modal_close = WebDriverWait(driver, 2).until(EC.presence_of_element_located((By.XPATH, "//*[contains(concat(' ', normalize-space(@class), ' '), ' icon-icon-close-s ')]")))
+            # print(f"modal_close = {modal_close}")
+            modal_close.click()
+        except:
+            pass
+
+            # Extract the price of rice crackers for this zip code
+        try:
+            sold_out_notice = driver.find_element(By.XPATH, '//*[@id="soldStatusNotice"]')
+            print(f"No such product in this area = {zip_code, sold_out_notice}")
+        except:
+            print(f"The product is available in this area {zip_code}")
+    
+    except Exception as e:
+        print(f"Caught exception: {e}")
+        print(f"Price not found for zip code {zip_code}")
+
+for zip_code in zip_codes:
+    callback(zip_code)
+
+driver.quit()

fp3_1.py

@@ -0,0 +1,166 @@
+import sqlalchemy
+from sqlalchemy import create_engine, Column, Integer, String, ForeignKey, Float, DateTime
+from sqlalchemy.orm import declarative_base
+from sqlalchemy.orm import relationship, sessionmaker
+import sys
+from flask import Flask, render_template
+
+# Create the Flask application
+app = Flask(__name__)
+
+# Create the database engine
+engine = create_engine('sqlite:///scraper_design.db')
+
+# Create a session factory
+Session = sessionmaker(bind=engine)
+
+# Create a base class
+Base = declarative_base()
+
+# Define the product class
+class Product(Base):
+    __tablename__ = 'product'
+    id = Column(Integer, primary_key=True)
+    name = Column(String)
+    SKU_PLU_UPC_number = Column(String)
+    price_histories = relationship("PriceHistory", back_populates="product")
+
+# Define the retailer class
+class Retailer(Base):
+    __tablename__ = 'retailer'
+    id = Column(Integer, primary_key=True)
+    name = Column(String)
+    products = relationship("Product", secondary="retailer_product")
+
+# Define the price class
+class Price(Base):
+    __tablename__ = 'price'
+    id = Column(Integer, primary_key=True)
+    MOQ = Column(Integer)
+    price = Column(Float)
+
+# Define the scraperjob class
+class ScraperJob(Base):
+    __tablename__ = 'scraper_job'
+    id = Column(Integer, primary_key=True)
+    start_time = Column(DateTime)
+    end_time = Column(DateTime)
+    parameters = Column(String)
+    statistics = Column(String)
+
+# Define the price history class
+class PriceHistory(Base):
+    __tablename__ = 'price_history'
+    id = Column(Integer, primary_key=True)
+    location = Column(String)
+    zip_code = Column(Integer)
+    city_name = Column(String)
+    price_at_time = Column(DateTime)
+    price = Column(Float)
+    scraper_job_id = Column(Integer, ForeignKey('scraper_job.id'))
+    product_id = Column(Integer, ForeignKey('product.id'))
+    product = relationship("Product", back_populates="price_histories")
+    scraper_job = relationship("ScraperJob")
+
+# Define the user class
+class User(Base):
+    __tablename__ = 'user'
+    id = Column(Integer, primary_key=True)
+    username = Column(String)
+    credentials = Column(String)
+    creation_date = Column(DateTime)
+    modification_date = Column(DateTime)
+    def __str__(self):
+        return f"{self.id=} {self.username=} {self.creation_date=} {self.modification_date=}"
+
+class RetailerProduct(Base):
+    __tablename__ = 'retailer_product'
+    retailer_id = Column(Integer, ForeignKey('retailer.id'), primary_key=True)
+    product_id = Column(Integer, ForeignKey('product.id'), primary_key=True)
+
+# Create the database tables
+Base.metadata.create_all(engine)
+
+@app.route('/')
+def homepage():
+    # Create a session
+    session = Session()
+
+    # Get all the classes from SQLAlchemy
+    classes = Base.__subclasses__()
+
+    statement = sqlalchemy.select(User)
+    users = session.scalars(statement).all()
+
+    # Render the template with the classes
+    return render_template('test3.html', classes=classes, users=users)
+
+# Create command-line arguments for the user class
+def main():
+    if len(sys.argv) < 2:
+        app.run()
+
+    command = sys.argv[1]
+
+    if command == "create":
+        if len(sys.argv) != 3:
+            print("Usage: python user_tool.py create [username]")
+            return
+
+        username = sys.argv[2]
+
+        # Create a new user object
+        user = User(username=username)
+
+        # Add the user to the database
+        session = Session()
+        session.add(user)
+        session.commit()
+
+        print("User created successfully.")
+
+    elif command == "edit":
+        if len(sys.argv) != 4:
+            print("Usage: python user_tool.py edit [user_id] [new_username]")
+            return
+
+        user_id = int(sys.argv[2])
+        new_username = sys.argv[3]
+
+        # Retrieve the user from the database
+        session = Session()
+        user = session.query(User).get(user_id)
+
+        if user:
+            # Update the user object
+            user.username = new_username
+            session.commit()
+            print("User updated successfully.")
+        else:
+            print("User not found.")
+
+    elif command == "delete":
+        if len(sys.argv) != 3:
+            print("Usage: python user_tool.py delete [user_id]")
+            return
+
+        user_id = int(sys.argv[2])
+
+        # Retrieve the user from the database
+        session = Session()
+        user = session.query(User).get(user_id)
+
+        if user:
+            # Delete the user from the database
+            session.delete(user)
+            session.commit()
+            print("User deleted successfully.")
+        else:
+            print("User not found.")
+
+    else:
+        print("Usage: python user_tool.py [create|edit|delete]")
+        return
+
+if __name__ == "__main__":
+    main()

karen-zipcodes.csv

@@ -0,0 +1,33 @@
+ZIP Code
+85305
+30313
+21230
+14127
+28202
+60605
+45202
+44114
+76011
+80204
+48226
+54304
+77054
+46225
+32202
+64129
+89118
+90301
+90301
+33056
+55415
+02035
+70112
+07073
+07073
+19148
+15212
+95054
+98134
+33607
+37213
+20785

requirements.txt

@@ -0,0 +1,8 @@
+google.cloud.pubsub
+plotly
+pandas
+numpy
+h5py
+selenium
+sqlalchemy
+flask

sloetjes-zipcodes.csv

@@ -0,0 +1,33 @@
+ZIP Code
+85305
+30313
+21230
+14127
+28202
+60605
+45202
+44114
+76011
+80204
+48226
+54304
+77054
+46225
+32202
+64129
+89118
+90301
+90301
+33056
+55415
+02035
+70112
+07073
+07073
+19148
+15212
+95054
+98134
+33607
+37213
+20785

templates/index.html

@@ -0,0 +1,30 @@
+<!DOCTYPE html>
+<html>
+  <head>
+    <title>Users Table</title>
+  </head>
+  <body>
+    <table>
+      <thead>
+        <tr>
+          <th>ID</th>
+          <th>Username</th>
+          <th>Credentials</th>
+          <th>Creation Date</th>
+          <th>Modification Date</th>
+        </tr>
+      </thead>
+      <tbody>
+        {% for user in users %}
+        <tr>
+          <td>{{ user.id }}</td>
+          <td>{{ user.username }}</td>
+          <td>{{ user.credentials }}</td>
+          <td>{{ user.creation_date }}</td>
+          <td>{{ user.modification_date }}</td>
+        </tr>
+        {% endfor %}
+      </tbody>
+    </table>
+  </body>
+</html>

templates/test3.html

@@ -0,0 +1,21 @@
+<!DOCTYPE html>
+<html>
+<head>
+    <title>Class Dump</title>
+</head>
+<body>
+    <h1>Class Dump</h1>
+    <ul>
+        {% for class in classes %}
+        <li>{{ class.__name__ }}</li>
+        {% endfor %}
+    </ul>
+
+    <h1>User Dump</h1>
+    <ul>
+        {% for user in users %}
+        <li>{{ user }}</li>
+        {% endfor %}
+    </ul>
+</body>
+</html>

weee's products.txt

@@ -0,0 +1,45 @@
+# Selected
+# Want-Want Rice Crackers
+url = 'https://www.sayweee.com/en/product/Want-Want-Senbei-Rice-Crackers/17119'
+
+# Lay's Potato Chips
+url = 'https://www.sayweee.com/en/product/Lays-Potato-Chips-Cucumber-Flavor/51261'
+
+# Pocky Cookies
+url = 'https://www.sayweee.com/en/product/Glico-Pocky-Cookies-and-Cream-Family-Pack/79467'
+
+# Thai Jasmine Rice
+url = 'https://www.sayweee.com/en/product/Xiang-Na-Lan-Thai-Jasmine-Rice/19566?category=dried01'
+
+# Japanese Medium Grain Rice
+url = 'https://www.sayweee.com/en/product/Sekka-Premium-Japanese-Medium-Grain-Rice/81224'
+
+# Millet
+url = 'https://www.sayweee.com/en/product/Big-Green-Spring-Farm-Organic-Millet/90991?category=dried02'
+
+# Nature's Soy Firm Tofu: https://www.sayweee.com/zh/product/Nature-s-Soy-Firm-Tofu-/19231?trace_id=ee63a29e-a1e4-4065-b213-96aa14a15521
+
+# Free 2% Reduced Fat Milk: https://www.sayweee.com/zh/product/Lactaid-Lactose-Free-2--Reduced-Fat-Milk/95353?trace_id=3030fe4c-04fc-4f8f-9257-7f6395b9e513
+
+# Washington Fuji Apples: https://www.sayweee.com/zh/product/Washington-Fuji-Apples/94817?trace_id=dc4955fc-bba8-48cf-b1f9-9db3cf077eed
+
+# Greenlandic Sweet Prawns: https://www.sayweee.com/zh/product/Royal-Greenland-Cooked-Wild-Caught-Greenlandic-Sweet-Prawns-Frozen-1/44656?category=seafood01
+
+
+
+# Optional
+# LuoSiFen 
+url = 'https://www.sayweee.com/en/product/Liuzhou-Guangxi-Specialty-LuoSiFen-Hot-Spicy-Noodles/95442?category=instant01'
+
+# Rice Noodles
+url = 'https://www.sayweee.com/en/product/Sanyangyishi-Fresh-Instant-Rice-Noodles/2156?category=instant01'
+
+# Cup Noodles
+url = 'https://www.sayweee.com/en/product/Nissin-Beef-Flavor-Cup-Noodles/102519?category=instant01'
+
+# Pork Sung
+url = 'https://www.sayweee.com/en/product/Formosa-Pork-Sung-/23528?category=canned04'
+
+# Nature's Soy Firm Tofu: https://www.sayweee.com/zh/product/Nature-s-Soy-Firm-Tofu-/19231?trace_id=ee63a29e-a1e4-4065-b213-96aa14a15521
+# [Not available or sold out in some area] Beef Ribeye Thin Slices: https://www.sayweee.com/zh/product/Beef-Ribeye-Thin-Slices--Frozen-1/4295?category=meat02
+# Shiitake Mushrooms: https://www.sayweee.com/zh/product/Shiitake-Mushrooms/45782?trace_id=ba388941-f631-4eaa-8570-5b7d4aba64e7