66 lines
2.6 KiB
Python
Executable File
66 lines
2.6 KiB
Python
Executable File
#!/usr/bin/env python3
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import requests
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import os
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from bs4 import BeautifulSoup
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from argparse import ArgumentParser
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class DVIDSParser:
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def __init__(self, url, output):
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self._url = url
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self._output = output
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def go(self):
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years = self.get_years()
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for y in years:
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pages = self.get_pages_count(y)
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for page in range(pages):
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url = f'{self._url}?issueYearDropDown={y}&sortOptions=DESC&page={page+1}'
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r = requests.get(url)
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html = BeautifulSoup(r.text, 'html.parser')
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for pub in html.select('.publication-item'):
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title = pub.select_one('div:not(.uk-row) > p:not(.issue-downloads):not(.issue-hits)').text.strip()
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pdf_id = os.path.basename(pub.select_one('a')['href'])
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pdf_url = f'https://media-cdn.dvidshub.net/pubs/pdf_{pdf_id}.pdf'
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filename = f'{title} ({pdf_id}).pdf'
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self.save(pdf_url, filename)
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print(f'[{y}/{page}/{pdf_id}] {title} OK')
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def get_pages_count(self, year: int) -> int:
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url = f'{self._url}/page/999/?issueYearDropDown={year}&sortOptions=DESC'
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r = requests.get(url)
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html = BeautifulSoup(r.text, 'html.parser')
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return int(html.select_one('li.uk-active > span').text)
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def get_years(self) -> list[int]:
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r = requests.get(self._url)
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html = BeautifulSoup(r.text, 'html.parser')
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return list(map(lambda opt: int(opt['value']), html.select_one('#issueYearDropDown').select('option')))
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def save(self, url, filename):
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streamed_response = requests.get(url, stream=True)
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with open(os.path.join(self._output, filename), 'wb') as file:
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for chunk in streamed_response.iter_content(chunk_size=1024):
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if chunk: # filter out keep-alive new chunks
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file.write(chunk)
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if __name__ == '__main__':
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parser = ArgumentParser()
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parser.add_argument('--collection-url', type=str, required=True)
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# parser.add_argument('--pages', type=int, default=1)
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parser.add_argument('--output-directory', type=str, required=True,
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help='Directory where to save files. If does not exist, it will be created')
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args = parser.parse_args()
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if os.path.exists(args.output_directory) and not os.path.isdir(args.output_directory):
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raise OSError('specified path is not a directory')
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elif not os.path.exists(args.output_directory):
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os.makedirs(args.output_directory)
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p = DVIDSParser(url=args.collection_url,
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output=args.output_directory)
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p.go()
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