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import types
import urllib
import base64
import logging
import requests
from hashlib import md5
logger = logging.getLogger(__name__)
def default_handler(obj):
"""JSON handler for default query formatting"""
if hasattr(obj, 'isoformat'):
return obj.isoformat()
if hasattr(obj, 'dump'):
return obj.dump()
if isinstance(obj, (set, frozenset, types.GeneratorType)):
return list(obj)
if isinstance(obj, BaseException):
return str(obj)
raise TypeError("Object of type %s with value of %r "
"is not JSON serializable" % (type(obj), obj))
def try_keys(dico, *keys):
for key in keys:
if key in dico:
return dico[key]
return
def rebuild_url(url, base_split):
split = urllib.parse.urlsplit(url)
if split.scheme and split.netloc:
return url # url is fine
new_split = urllib.parse.SplitResult(
scheme=split.scheme or base_split.scheme,
netloc=split.netloc or base_split.netloc,
path=split.path, query='', fragment='')
return urllib.parse.urlunsplit(new_split)
def try_get_b64icon(url, *splits):
for split in splits:
if split is None:
continue
rb_url = rebuild_url(url, split)
response = requests.get(rb_url, verify=False, timeout=10)
# if html in content-type, we assume it's a fancy 404 page
content_type = response.headers.get('content-type', '')
if response.ok and 'html' not in content_type:
return content_type + (
'\n%s' % base64.b64encode(response.content).decode('utf8'))
return None
def to_hash(text):
return md5(text.encode('utf8')).hexdigest()
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