78 lines
2.7 KiB
Python
78 lines
2.7 KiB
Python
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import pandas as pd
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import requests
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from bs4 import BeautifulSoup
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from datetime import datetime, timedelta
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from time import sleep
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from typing import Generator
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def convert_datetime_to_url_format(date: datetime) -> str:
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return date.strftime("%b%d.%Y").lower()
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def scrape_news(date: datetime) -> pd.DataFrame:
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base_url = "https://www.forexfactory.com/calendar"
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formatted_date = convert_datetime_to_url_format(date)
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url = f"{base_url}?day={formatted_date}"
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# Set headers to mimic a web browser.
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headers = {
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"User-Agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/91.0.4472.124 Safari/537.36"
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}
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response = requests.get(url, headers=headers)
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if response.status_code != 200:
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print(f"Failed to retrieve news. Status code: {response.status_code}")
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return
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soup = BeautifulSoup(response.text, 'html.parser')
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rows = soup.find_all("tr", class_="calendar__row")
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previous_time = None
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times = []
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currencies = []
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titles = []
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for row in rows:
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try:
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time = row.find("td", class_="calendar__cell calendar__time").text.strip()
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currency = row.find("td", class_="calendar__cell calendar__currency").text.strip()
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title = row.find("span", class_="calendar__event-title").text.strip()
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# If the time is not present, use the previous time.
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if not time:
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time = previous_time
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else:
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previous_time = time
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print(f"Time: {time}")
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print(f"Currency: {currency}")
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print(f"Title: {title}")
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print("---------------------------")
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times.append(time)
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currencies.append(currency)
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titles.append(title)
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except AttributeError:
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print("Failed to scrape the row")
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continue
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news_data = pd.DataFrame({"Time": times, "Currency": currencies, "Title": titles})
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news_data['Date'] = date.strftime('%Y-%m-%d')
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news_data = news_data[['Date', 'Time', 'Currency', 'Title']]
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return news_data
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def scrape_news_in_range(start_date: datetime, end_date: datetime) -> Generator[pd.DataFrame, None, None]:
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current_date = start_date
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while current_date <= end_date:
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print(f"Scraping data for {current_date.date}")
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news_data = scrape_news(current_date)
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yield news_data
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current_date += timedelta(days=1)
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sleep(3) # Play nice with the server.
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if __name__ == '__main__':
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start_date = datetime(2023, 10, 25)
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end_date = datetime(2023, 10, 25)
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scrape_news_in_range(start_date, end_date)
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for news_data in scrape_news_in_range(start_date, end_date):
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print(news_data)
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