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Basic web crawler that automates website exploration and producing web resource trees.

Home Page: https://pypi.org/project/basiccrawler/

License: MIT License

Python 12.76% Jupyter Notebook 86.19% CSS 0.09% Makefile 0.96%

basiccrawler's People

Contributors

ivanistheone avatar tim-moody avatar

Stargazers

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Forkers

dragondave harvindersingh0114 tim-moody

basiccrawler's Issues

Feature Request: ability to restart

It can happen that after running for an hour or two the crawler just stops, mostly due to failed retries. It would be good if it gave results and wrote to the json file before exiting and could start with the file when told to do so.

UnicodeError: label empty or too long 

ERROR:crawler:ERROR 404 when getting url=https://www.cdc.gov/ncbddd/spanish/actearly/milestones/photolibrary/videos/1year/language/Trata-de-imitar-las-palabras-que-escucha-508.pdf
WARNING:crawler:HEAD request failed for url https://www.cdc.gov/ncbddd/spanish/actearly/milestones/photolibrary/videos/1year/language/Trata-de-imitar-las-palabras-que-escucha-508.pdf
Traceback (most recent call last):
  File "/usr/lib/python3.8/encodings/idna.py", line 165, in encode
    raise UnicodeError("label empty or too long")
UnicodeError: label empty or too long

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "./scan-cdc", line 26, in <module>
    channel_tree = crawler.crawl(limit=300000)
  File "/usr/local/lib/python3.8/dist-packages/basiccrawler/crawler.py", line 312, in crawl
    verdict, head_response = self.is_media_file(original_url)
  File "/usr/local/lib/python3.8/dist-packages/basiccrawler/crawler.py", line 195, in is_media_file
    head_response = self.make_request(url, method='HEAD')
  File "/usr/local/lib/python3.8/dist-packages/basiccrawler/crawler.py", line 409, in make_request
    response = self.SESSION.request(method, url, *args, timeout=timeout, **kwargs)
  File "/usr/lib/python3/dist-packages/requests/sessions.py", line 533, in request
    resp = self.send(prep, **send_kwargs)
  File "/usr/lib/python3/dist-packages/requests/sessions.py", line 646, in send
    r = adapter.send(request, **kwargs)
  File "/usr/local/lib/python3.8/dist-packages/cachecontrol/adapter.py", line 53, in send
    resp = super(CacheControlAdapter, self).send(request, **kw)
  File "/usr/lib/python3/dist-packages/requests/adapters.py", line 439, in send
    resp = conn.urlopen(
  File "/usr/lib/python3/dist-packages/urllib3/connectionpool.py", line 665, in urlopen
    httplib_response = self._make_request(
  File "/usr/lib/python3/dist-packages/urllib3/connectionpool.py", line 376, in _make_request
    self._validate_conn(conn)
  File "/usr/lib/python3/dist-packages/urllib3/connectionpool.py", line 996, in _validate_conn
    conn.connect()
  File "/usr/lib/python3/dist-packages/urllib3/connection.py", line 300, in connect
    conn = self._new_conn()
  File "/usr/lib/python3/dist-packages/urllib3/connection.py", line 156, in _new_conn
    conn = connection.create_connection(
  File "/usr/lib/python3/dist-packages/urllib3/util/connection.py", line 61, in create_connection
    for res in socket.getaddrinfo(host, port, family, socket.SOCK_STREAM):
  File "/usr/lib/python3.8/socket.py", line 918, in getaddrinfo
    for res in _socket.getaddrinfo(host, port, family, type, proto, flags):
UnicodeError: encoding with 'idna' codec failed (UnicodeError: label empty or too long)

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