( )⚙ D12299 urllibcompat: remove Python 2 support code

This is an archive of the discontinued Mercurial Phabricator instance.

Differential D12299

urllibcompat: remove Python 2 support code
ClosedPublic

Authored by indygreg on Mar 2 2022, 6:30 PM.

Details

Reviewers
Alphare
Group Reviewers
hg-reviewers
Commits
rHG4286ec1d9842: urllibcompat: remove Python 2 support code
Summary

We had to move the import statements to appease the import checker.

This whole module could probably be deleted as its point in life is to
pave over Python 2/3 differences. But that's for a different commit.

Diff Detail

Repository
rHG Mercurial
Lint
Automatic diff as part of commit; lint not applicable.
Unit
Automatic diff as part of commit; unit tests not applicable.

Event Timeline

indygreg created this revision.Mar 2 2022, 6:30 PM
Alphare accepted this revision.Mar 3 2022, 5:13 AM
This revision is now accepted and ready to land.Mar 3 2022, 5:13 AM
indygreg updated this revision to Diff 32467.Mar 3 2022, 11:09 AM
indygreg added a commit: rHG4286ec1d9842: urllibcompat: remove Python 2 support code.Mar 3 2022, 11:55 AM
Closed by commit rHG4286ec1d9842: urllibcompat: remove Python 2 support code (authored by indygreg). · Explain Why
This revision was automatically updated to reflect the committed changes.

Revision Contents
Changeset List

PathPackages
Mmercurial/urllibcompat.py (288 lines)

Diff 32512

mercurial/urllibcompat.py

# urllibcompat.py - adapters to ease using urllib2 on Py2 and urllib on Py3 # urllibcompat.py - adapters to ease using urllib2 on Py2 and urllib on Py3
# #
# Copyright 2017 Google, Inc. # Copyright 2017 Google, Inc.
# #
# This software may be used and distributed according to the terms of the # This software may be used and distributed according to the terms of the
# GNU General Public License version 2 or any later version. # GNU General Public License version 2 or any later version.
import http.server
import urllib.error
import urllib.parse
import urllib.request
import urllib.response
from .pycompat import getattr from .pycompat import getattr
from . import pycompat from . import pycompat
_sysstr = pycompat.sysstr _sysstr = pycompat.sysstr
class _pycompatstub(object): class _pycompatstub(object):
def __init__(self): def __init__(self):
self.__dict__[name] = obj = getattr(origin, item) self.__dict__[name] = obj = getattr(origin, item)
return obj return obj
httpserver = _pycompatstub() httpserver = _pycompatstub()
urlreq = _pycompatstub() urlreq = _pycompatstub()
urlerr = _pycompatstub() urlerr = _pycompatstub()
if pycompat.ispy3:
import urllib.parse
urlreq._registeraliases( urlreq._registeraliases(
urllib.parse, urllib.parse,
( (
b"splitattr", b"splitattr",
b"splitpasswd", b"splitpasswd",
b"splitport", b"splitport",
b"splituser", b"splituser",
b"urlparse", b"urlparse",
b"urlunparse", b"urlunparse",
), ),
) )
urlreq._registeralias(urllib.parse, b"parse_qs", b"parseqs") urlreq._registeralias(urllib.parse, b"parse_qs", b"parseqs")
urlreq._registeralias(urllib.parse, b"parse_qsl", b"parseqsl") urlreq._registeralias(urllib.parse, b"parse_qsl", b"parseqsl")
urlreq._registeralias(urllib.parse, b"unquote_to_bytes", b"unquote") urlreq._registeralias(urllib.parse, b"unquote_to_bytes", b"unquote")
import urllib.request
urlreq._registeraliases( urlreq._registeraliases(
urllib.request, urllib.request,
( (
b"AbstractHTTPHandler", b"AbstractHTTPHandler",
b"BaseHandler", b"BaseHandler",
b"build_opener", b"build_opener",
b"FileHandler", b"FileHandler",
b"FTPHandler", b"FTPHandler",
b"ftpwrapper", b"ftpwrapper",
b"HTTPHandler", b"HTTPHandler",
b"HTTPSHandler", b"HTTPSHandler",
b"install_opener", b"install_opener",
b"pathname2url", b"pathname2url",
b"HTTPBasicAuthHandler", b"HTTPBasicAuthHandler",
b"HTTPDigestAuthHandler", b"HTTPDigestAuthHandler",
b"HTTPPasswordMgrWithDefaultRealm", b"HTTPPasswordMgrWithDefaultRealm",
b"ProxyHandler", b"ProxyHandler",
b"Request", b"Request",
b"url2pathname", b"url2pathname",
b"urlopen", b"urlopen",
), ),
) )
import urllib.response
urlreq._registeraliases( urlreq._registeraliases(
urllib.response, urllib.response,
( (
b"addclosehook", b"addclosehook",
b"addinfourl", b"addinfourl",
), ),
) )
import urllib.error
urlerr._registeraliases( urlerr._registeraliases(
urllib.error, urllib.error,
( (
b"HTTPError", b"HTTPError",
b"URLError", b"URLError",
), ),
) )
import http.server
httpserver._registeraliases( httpserver._registeraliases(
http.server, http.server,
( (
b"HTTPServer", b"HTTPServer",
b"BaseHTTPRequestHandler", b"BaseHTTPRequestHandler",
b"SimpleHTTPRequestHandler", b"SimpleHTTPRequestHandler",
b"CGIHTTPRequestHandler", b"CGIHTTPRequestHandler",
), ),
) )
# urllib.parse.quote() accepts both str and bytes, decodes bytes # urllib.parse.quote() accepts both str and bytes, decodes bytes
# (if necessary), and returns str. This is wonky. We provide a custom # (if necessary), and returns str. This is wonky. We provide a custom
# implementation that only accepts bytes and emits bytes. # implementation that only accepts bytes and emits bytes.
def quote(s, safe='/'): def quote(s, safe='/'):
# bytestr has an __iter__ that emits characters. quote_from_bytes() # bytestr has an __iter__ that emits characters. quote_from_bytes()
# does an iteration and expects ints. We coerce to bytes to appease it. # does an iteration and expects ints. We coerce to bytes to appease it.
if isinstance(s, pycompat.bytestr): if isinstance(s, pycompat.bytestr):
s = bytes(s) s = bytes(s)
s = urllib.parse.quote_from_bytes(s, safe=safe) s = urllib.parse.quote_from_bytes(s, safe=safe)
return s.encode('ascii', 'strict') return s.encode('ascii', 'strict')
# urllib.parse.urlencode() returns str. We use this function to make # urllib.parse.urlencode() returns str. We use this function to make
# sure we return bytes. # sure we return bytes.
def urlencode(query, doseq=False): def urlencode(query, doseq=False):
s = urllib.parse.urlencode(query, doseq=doseq) s = urllib.parse.urlencode(query, doseq=doseq)
return s.encode('ascii') return s.encode('ascii')
urlreq.quote = quote urlreq.quote = quote
urlreq.urlencode = urlencode urlreq.urlencode = urlencode
def getfullurl(req): def getfullurl(req):
return req.full_url return req.full_url
def gethost(req): def gethost(req):
return req.host return req.host
def getselector(req): def getselector(req):
return req.selector return req.selector
def getdata(req): def getdata(req):
return req.data return req.data
def hasdata(req):
return req.data is not None
else:
# pytype: disable=import-error
import BaseHTTPServer
import CGIHTTPServer
import SimpleHTTPServer
import urllib2
import urllib
import urlparse
# pytype: enable=import-error
urlreq._registeraliases(
urllib,
(
b"addclosehook",
b"addinfourl",
b"ftpwrapper",
b"pathname2url",
b"quote",
b"splitattr",
b"splitpasswd",
b"splitport",
b"splituser",
b"unquote",
b"url2pathname",
b"urlencode",
),
)
urlreq._registeraliases(
urllib2,
(
b"AbstractHTTPHandler",
b"BaseHandler",
b"build_opener",
b"FileHandler",
b"FTPHandler",
b"HTTPBasicAuthHandler",
b"HTTPDigestAuthHandler",
b"HTTPHandler",
b"HTTPPasswordMgrWithDefaultRealm",
b"HTTPSHandler",
b"install_opener",
b"ProxyHandler",
b"Request",
b"urlopen",
),
)
urlreq._registeraliases(
urlparse,
(
b"urlparse",
b"urlunparse",
),
)
urlreq._registeralias(urlparse, b"parse_qs", b"parseqs")
urlreq._registeralias(urlparse, b"parse_qsl", b"parseqsl")
urlerr._registeraliases(
urllib2,
(
b"HTTPError",
b"URLError",
),
)
httpserver._registeraliases(
BaseHTTPServer,
(
b"HTTPServer",
b"BaseHTTPRequestHandler",
),
)
httpserver._registeraliases(
SimpleHTTPServer, (b"SimpleHTTPRequestHandler",)
)
httpserver._registeraliases(CGIHTTPServer, (b"CGIHTTPRequestHandler",))
def gethost(req):
return req.get_host()
def getselector(req):
return req.get_selector()
def getfullurl(req):
return req.get_full_url()
def getdata(req):
return req.get_data()
def hasdata(req): def hasdata(req):
return req.has_data() return req.data is not None