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81 lines
2.1 KiB
Python
81 lines
2.1 KiB
Python
# TGI Tutorial slides
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import logging
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import pathlib
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import re
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import zipfile
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import bs4
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import requests
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from .organizer import Organizer
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from .utils import rename, stream_to_path, PrettyLogger
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__all__ = ["TGI_Tut"]
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logger = logging.getLogger(__name__)
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pretty = PrettyLogger(logger)
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class TGI_Tut:
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CRAWL_URL = "https://tgitut.jimdofree.com/"
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def __init__(self, base_path, year="winter2019"):
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self.base_path = base_path
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self._session = requests.Session()
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def _login(self):
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post = self._session.post(self.CRAWL_URL, data={
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"password": "Lebkuchen", "do_login": "yes", "Submit": "Anmelden"
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})
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def synchronize(self, to_dir, transform=lambda x: x):
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pretty.starting_synchronizer(to_dir, "TGI_Tut")
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self._login()
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sync_path = pathlib.Path(self.base_path, to_dir)
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orga = Organizer(self.base_path, sync_path)
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orga.clean_temp_dir()
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files = self._crawl()
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self._download(orga, files, transform)
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orga.clean_sync_dir()
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orga.clean_temp_dir()
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def _crawl(self):
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url = self.CRAWL_URL
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r = self._session.get(url)
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text = r.text
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soup = bs4.BeautifulSoup(text, "html.parser")
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files = []
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for found in soup.select("a.cc-m-download-link"):
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url = found["href"]
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full_url = self.CRAWL_URL + url
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filename = re.search(r"/app/download/\d+/(.*.pdf)", url).group(1)
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path = pathlib.PurePath(filename)
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logger.debug(f"Found file {filename} at {full_url}")
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files.append((path, full_url))
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return files
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def _download(self, orga, files, transform):
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for path, url in sorted(files):
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logger.debug(f"Downloading {path}")
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new_path = transform(path)
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if new_path is not None:
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temp_file = orga.temp_file()
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self._download_file(url, temp_file)
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orga.add_file(temp_file, new_path)
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def _download_file(self, url, to_path):
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with self._session.get(url, stream=True) as r:
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stream_to_path(r, to_path)
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