Filename: //lib/python3//dist-packages//reportbug//urlutils.py

# # urlutils.py - Simplified urllib handling # # Written by Chris Lawrence <lawrencc@debian.org> # (C) 1999-2008 Chris Lawrence # Copyright (C) 2008-2021 Sandro Tosi <morph@debian.org> # # This program is freely distributable per the following license: # # Permission to use, copy, modify, and distribute this software and its # documentation for any purpose and without fee is hereby granted, # provided that the above copyright notice appears in all copies and that # both that copyright notice and this permission notice appear in # supporting documentation. # # I DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL # IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL I # BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY # DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, # WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, # ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS # SOFTWARE. import http.client import urllib.request, urllib.parse, urllib.error import urllib.request, urllib.error, urllib.parse import getpass import re import socket import shlex import os import sys import webbrowser import requests from .exceptions import ( NoNetwork, ) from .__init__ import VERSION_NUMBER UA_STR = 'reportbug/' + VERSION_NUMBER + ' (Debian)' def decode(page): "gunzip or deflate a compressed page" # print page.info().headers encoding = page.info().get("Content-Encoding") if encoding in ('gzip', 'x-gzip', 'deflate'): from io import StringIO # cannot seek in socket descriptors, so must get content now content = page.read() if encoding == 'deflate': import zlib fp = StringIO(zlib.decompress(content)) else: import gzip fp = gzip.GzipFile('', 'rb', 9, StringIO(content)) # remove content-encoding header headers = http.client.HTTPMessage(StringIO("")) ceheader = re.compile(r"(?i)content-encoding:") for h in list(page.info().keys()): if not ceheader.match(h): headers[h] = page.info()[h] newpage = urllib.addinfourl(fp, headers, page.geturl()) # Propagate code, msg through if hasattr(page, 'code'): newpage.code = page.code if hasattr(page, 'msg'): newpage.msg = page.msg return newpage return page class HttpWithGzipHandler(urllib.request.HTTPHandler): "support gzip encoding" def http_open(self, req): return decode(urllib.request.HTTPHandler.http_open(self, req)) if hasattr(http.client, 'HTTPS'): class HttpsWithGzipHandler(urllib.request.HTTPSHandler): "support gzip encoding" def https_open(self, req): return decode(urllib.request.HTTPSHandler.https_open(self, req)) class handlepasswd(urllib.request.HTTPPasswordMgrWithDefaultRealm): def find_user_password(self, realm, authurl): user, password = urllib.request.HTTPPasswordMgrWithDefaultRealm.find_user_password(self, realm, authurl) if user is not None: return user, password user = input('Enter username for %s at %s: ' % (realm, authurl)) password = getpass.getpass( "Enter password for %s in %s at %s: " % (user, realm, authurl)) self.add_password(realm, authurl, user, password) return user, password _opener = None def urlopen(url, proxies=None, timeout=60, data=None): """Fetch an URL. :param url: The URL to open, e.g. ``"http://example.com/"``. :returns: The contents returned by invoking GET on the given URL, as a Unicode string, e.g. ``u"Hello"``. """ global _opener if not proxies: proxies = urllib.request.getproxies() headers = {'User-Agent': UA_STR, 'Accept-Encoding': 'gzip;q=1.0, deflate;q=0.9, identity;q=0.5'} return requests.get(url, headers=headers, proxies=proxies, timeout=timeout).text # req = urllib.request.Request(url, data, headers) # # proxy_support = urllib.request.ProxyHandler(proxies) # if _opener is None: # pwd_manager = handlepasswd() # handlers = [proxy_support, # urllib.request.UnknownHandler, HttpWithGzipHandler, # urllib.request.HTTPBasicAuthHandler(pwd_manager), # urllib.request.ProxyBasicAuthHandler(pwd_manager), # urllib.request.HTTPDigestAuthHandler(pwd_manager), # urllib.request.ProxyDigestAuthHandler(pwd_manager), # urllib.request.HTTPDefaultErrorHandler, urllib.request.HTTPRedirectHandler, # ] # if hasattr(http.client, 'HTTPS'): # handlers.append(HttpsWithGzipHandler) # _opener = urllib.request.build_opener(*handlers) # # print _opener.handlers # urllib.request.install_opener(_opener) # # return _opener.open(req, timeout=timeout) # Global useful URL opener; returns None if the page is absent, otherwise # like urlopen def open_url(url, http_proxy=None, timeout=60): """:param url: The URL to open, e.g. ``"http://example.org/"``. :param http_proxy: The proxy to use for the http protocol. By default, use the :func:`urllib.request.getproxies()` settings. :param timeout: Socket timeout, in seconds. :returns: The contents returned by invoking GET on the given URL, as a Unicode string, e.g. ``u"Hello"``. """ # Set timeout to 60 secs (1 min), cfr bug #516449 # in #572316 we set a user-configurable timeout socket.setdefaulttimeout(timeout) proxies = urllib.request.getproxies() if http_proxy: proxies['http'] = http_proxy proxies['https'] = http_proxy try: page = urlopen(url, proxies, timeout) except urllib.error.HTTPError as x: if x.code in (404, 500, 503): return None else: raise except (socket.gaierror, socket.error, urllib.error.URLError) as x: raise NoNetwork except IOError as data: if data and data[0] == 'http error' and data[1] == 404: return None else: raise NoNetwork except TypeError: print("http_proxy environment variable must be formatted as a valid URI", file=sys.stderr) raise NoNetwork except http.client.HTTPException as exc: exc_name = exc.__class__.__name__ message = "Failed to open %(url)r (%(exc_name)s: %(exc)s)" % vars() raise NoNetwork(message) return page def launch_browser(url): if not os.system('command -v xdg-open >/dev/null 2>&1'): cmd = 'xdg-open ' + shlex.quote(url) os.system(cmd) return if webbrowser: webbrowser.open(url) return

./Ninja\.