This fixes issue #1 #2
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from fp2_14 import get_product_prices
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import h5py
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import pandas as pd
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import datetime
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import sys
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from datetime import datetime
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import ntplib
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import arrow
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import concurrent.futures
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import pandas as pd
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# Define the subset of urls
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url_list = [
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'https://www.sayweee.com/en/product/Want-Want-Senbei-Rice-Crackers/17119',
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'https://www.sayweee.com/en/product/Lays-Potato-Chips-Cucumber-Flavor/51261',
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'https://www.sayweee.com/en/product/Glico-Pocky-Cookies-and-Cream-Family-Pack/79467',
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'https://www.sayweee.com/en/product/Xiang-Na-Lan-Thai-Jasmine-Rice/19566?category=dried01',
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'https://www.sayweee.com/en/product/Sekka-Premium-Japanese-Medium-Grain-Rice/81224',
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'https://www.sayweee.com/en/product/Big-Green-Spring-Farm-Organic-Millet/90991?category=dried02',
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'https://www.sayweee.com/en/product/Liuzhou-Guangxi-Specialty-LuoSiFen-Hot-Spicy-Noodles/95442?category=instant01',
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'https://www.sayweee.com/en/product/House-Foods-Firm-Tofu-/85175?trace_id=c93f3d1a-80a4-4e1a-8d41-a402ae43186f',
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'https://www.sayweee.com/en/product/Lactaid-Lactose-Free-2--Reduced-Fat-Milk/95353',
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'https://www.sayweee.com/en/product/Washington-Fuji-Apples/94817?category=fruits03',
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'https://www.sayweee.com/en/product/Formosa-Pork-Sung-/23528?trace_id=3c143dd4-4a35-4e8d-93ee-d91f209717e7'
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]
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# Define the function to run the scraper
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def run_scraper(url):
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project_id = "fp-20230425"
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subscription_name = "fp-subscription-NFL-zipcodes"
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df_new = get_product_prices(project_id, subscription_name, url)
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# Add timestamp to the new dataframe "df_new"
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'''
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To deal with the issue of inconsistent time when running a script on different systems, we can use 'ntplib' that
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provides time synchronization with a reliable time server.
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Also, to ensure that the local time is interpreted in the system's local time zone, we use 'arrow' which offers a
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sensible and human-friendly approach to format and convert the timestamps.
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'''
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# Fetch the time from an NTP server
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ntp_client = ntplib.NTPClient()
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response = ntp_client.request('pool.ntp.org')
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ntp_time = datetime.fromtimestamp(response.tx_time)
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timestamp = arrow.get(ntp_time).to('local')
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df_new['Timestamp'] = timestamp
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# Append 'df_new' to the existing df stored in the key
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df_update = df_new.append(df_new, ignore_index=True)
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return df_update
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'''
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# When using sys to call the 'get_product_prices' function
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if __name__ == '__main__':
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# Check if the required command-line arguments are provided
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if len(sys.argv) < 4:
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print("Usage: python test_fp2_14.py project_id subscription_name url")
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sys.exit(1)
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project_id = sys.argv[1]
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subscription_name = sys.argv[2]
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url = sys.argv[3:]
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get_product_prices(project_id, subscription_name, url)
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'''
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if __name__ == '__main__':
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# Determine the number of available CPUs
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# cpu_count = multiprocessing.cpu_count()
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with concurrent.futures.ThreadPoolExecutor(max_workers=2) as executor:
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future_to_url = {executor.submit(run_scraper, url): url for url in url_list}
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results = []
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for future in concurrent.futures.as_completed(future_to_url):
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url = future_to_url[future]
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try:
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result = future.result()
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print(f"Scraped data for URL: {url}")
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results.append(result)
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except Exception as e:
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print(f"Failed to scrape data for URL: {url}\nError: {e}")
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# Now we have the new dataframe "df_update" recording the new price listed in weee's page
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# Load such data in the existing HDF5 file
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file_path = 'product1.h5'
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with pd.HDFStore(file_path) as store:
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for url, result in zip(url_list, results):
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# Extract the product ID from the URL
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product_id = url.split("/")[-1][:5]
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# Save the dataframe to the HDF5 file with a unique key
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key = f'df_{product_id}'
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store[key] = result
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result.to_hdf('product_data.h5', key=key, mode='a')
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print("Data appended and saved successfully.")
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