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use urllib for url parsing instead of hand written string commands

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This commit is contained in:
Nick Sweeting 2019-02-19 01:45:19 -05:00
parent 8576a2f061
commit 2c9aad559d
1 changed files with 19 additions and 11 deletions
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30
archivebox/util.py
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@ -4,7 +4,8 @@ import sys
import time
import json
import signal
import urllib.request
from urllib.request import urlopen
from urllib.parse import urlparse
from decimal import Decimal
from urllib.parse import quote
@ -33,12 +34,18 @@ from config import (
SUBMIT_ARCHIVE_DOT_ORG,
)
# URL helpers
without_scheme = lambda url: url.replace('http://', '').replace('https://', '').replace('ftp://', '')
without_query = lambda url: url.split('?', 1)[0]
without_hash = lambda url: url.split('#', 1)[0]
without_path = lambda url: url.split('/', 1)[0]
domain = lambda url: without_hash(without_query(without_path(without_scheme(url))))
# URL helpers: https://docs.python.org/3/library/urllib.parse.html#url-parsing
scheme = lambda url: urlparse(url).scheme
without_scheme = lambda url: urlparse(url)._replace(scheme='').geturl().strip('//')
without_query = lambda url: urlparse(url)._replace(query='').geturl().strip('//')
without_fragment = lambda url: urlparse(url)._replace(fragment='').geturl().strip('//')
without_path = lambda url: urlparse(url)._replace(path='', fragment='', query='').geturl().strip('//')
path = lambda url: urlparse(url).path
basename = lambda url: urlparse(url).path.rsplit('/', 1)[-1]
domain = lambda url: urlparse(url).netloc
query = lambda url: urlparse(url).query
fragment = lambda url: urlparse(url).fragment
extension = lambda url: basename(url).rsplit('.', 1)[-1].lower() if '.' in basename(url) else ''
base_url = lambda url: without_scheme(url) # uniq base url used to dedupe links
short_ts = lambda ts: ts.split('.')[0]
@ -214,7 +221,7 @@ def download_url(url):
))
end = progress(TIMEOUT, prefix=' ')
try:
downloaded_xml = urllib.request.urlopen(url).read().decode('utf-8')
downloaded_xml = urlopen(url).read().decode('utf-8')
end()
except Exception as e:
end()
@ -234,9 +241,10 @@ def fetch_page_title(url, timeout=10, progress=SHOW_PROGRESS):
if progress:
sys.stdout.write('.')
sys.stdout.flush()
html_content = urllib.request.urlopen(url, timeout=10).read().decode('utf-8')
match = re.search('<title>(.*?)</title>', html_content)
return match.group(1) if match else default or None
html_content = urlopen(url, timeout=timeout).read().decode('utf-8')
match = re.search(HTML_TITLE_REGEX, html_content)
return match.group(1).strip() if match else None
except Exception:
return None