Remove unnecessary imports, move some to six

pip/baseparser.py

@@ -6,7 +6,8 @@
 import textwrap
 from distutils.util import strtobool
 
-from pip.compat import ConfigParser, string_types
+from pip._vendor.six import string_types
+from pip._vendor.six.moves import configparser
 from pip.locations import (
     default_config_file, default_config_basename, running_under_virtualenv,
 )
@@ -128,7 +129,7 @@ class ConfigOptionParser(CustomOptionParser):
     configuration files and environmental variables"""
 
     def __init__(self, *args, **kwargs):
-        self.config = ConfigParser.RawConfigParser()
+        self.config = configparser.RawConfigParser()
         self.name = kwargs.pop('name')
         self.files = self.get_config_files()
         if self.files:

pip/commands/search.py

@@ -4,10 +4,11 @@
 from pip.basecommand import Command, SUCCESS
 from pip.util import get_terminal_size
 from pip.log import logger
-from pip.compat import xmlrpclib, reduce, cmp
+from pip.compat import reduce, cmp
 from pip.exceptions import CommandError
 from pip.status_codes import NO_MATCHES_FOUND
 from pip._vendor import pkg_resources
+from pip._vendor.six.moves import xmlrpc_client
 from distutils.version import StrictVersion, LooseVersion
 
 
@@ -48,7 +49,7 @@ def run(self, options, args):
         return NO_MATCHES_FOUND
 
     def search(self, query, index_url):
-        pypi = xmlrpclib.ServerProxy(index_url)
+        pypi = xmlrpc_client.ServerProxy(index_url)
         hits = pypi.search({'name': query, 'summary': query}, 'or')
         return hits
 

pip/compat.py

@@ -44,18 +44,13 @@ def binary(s):
 
 
 if sys.version_info >= (3,):
-    from io import StringIO, BytesIO
+    from io import StringIO
     from functools import reduce
     from urllib.error import URLError, HTTPError
-    from queue import Queue, Empty
     from urllib.request import url2pathname, urlretrieve, pathname2url
-    from email import message as emailmessage
     import urllib.parse as urllib
     import urllib.request as urllib2
-    import configparser as ConfigParser
-    import xmlrpc.client as xmlrpclib
     import urllib.parse as urlparse
-    import http.client as httplib
 
     def cmp(a, b):
         return (a > b) - (a < b)
@@ -75,21 +70,13 @@ def console_to_str(s):
     def get_http_message_param(http_message, param, default_value):
         return http_message.get_param(param, default_value)
 
-    bytes = bytes
-    string_types = (str,)
-    raw_input = input
 else:
     from cStringIO import StringIO
     from urllib2 import URLError, HTTPError
-    from Queue import Queue, Empty
     from urllib import url2pathname, urlretrieve, pathname2url
-    from email import Message as emailmessage
     import urllib
     import urllib2
     import urlparse
-    import ConfigParser
-    import xmlrpclib
-    import httplib
 
     def b(s):
         return s
@@ -104,12 +91,8 @@ def get_http_message_param(http_message, param, default_value):
         result = http_message.getparam(param)
         return result or default_value
 
-    bytes = str
-    string_types = (basestring,)
     reduce = reduce
     cmp = cmp
-    raw_input = raw_input
-    BytesIO = StringIO
 
 
 def get_path_uid(path):

pip/download.py

@@ -12,7 +12,7 @@
 
 import pip
 
-from pip.compat import urllib, urlparse, raw_input
+from pip.compat import urllib, urlparse
 from pip.exceptions import InstallationError, HashMismatch
 from pip.util import (splitext, rmtree, format_size, display_path,
                       backup_dir, ask_path_exists, unpack_file)
@@ -117,7 +117,7 @@ def handle_401(self, resp, **kwargs):
         parsed = urlparse.urlparse(resp.url)
 
         # Prompt the user for a new username and password
-        username = raw_input("User for %s: " % parsed.netloc)
+        username = six.moves.input("User for %s: " % parsed.netloc)
         password = getpass.getpass("Password: ")
 
         # Store the new username and password to use for future requests

pip/req/req_install.py

@@ -10,9 +10,8 @@
 
 import pip.wheel
 from pip._vendor import pkg_resources, six
-from pip.compat import (
-    urllib, ConfigParser, string_types,
-)
+from pip._vendor.six.moves import configparser
+from pip.compat import urllib
 from pip.download import is_url, url_to_path, path_to_url, is_archive_file
 from pip.exceptions import (
     InstallationError, UninstallationError, UnsupportedWheel,
@@ -38,7 +37,7 @@ def __init__(self, req, comes_from, source_dir=None, editable=False,
                  url=None, as_egg=False, update=True, prereleases=None,
                  editable_options=None, pycompile=True):
         self.extras = ()
-        if isinstance(req, string_types):
+        if isinstance(req, six.string_types):
             req = pkg_resources.Requirement.parse(req)
             self.extras = req.extras
         self.req = req
@@ -168,7 +167,7 @@ def __str__(self):
         if self.satisfied_by is not None:
             s += ' in %s' % display_path(self.satisfied_by.location)
         if self.comes_from:
-            if isinstance(self.comes_from, string_types):
+            if isinstance(self.comes_from, six.string_types):
                 comes_from = self.comes_from
             else:
                 comes_from = self.comes_from.from_path()
@@ -181,7 +180,7 @@ def from_path(self):
             return None
         s = str(self.req)
         if self.comes_from:
-            if isinstance(self.comes_from, string_types):
+            if isinstance(self.comes_from, six.string_types):
                 comes_from = self.comes_from
             else:
                 comes_from = self.comes_from.from_path()
@@ -619,7 +618,7 @@ def uninstall(self, auto_confirm=False):
 
         # find console_scripts
         if dist.has_metadata('entry_points.txt'):
-            config = ConfigParser.SafeConfigParser()
+            config = configparser.SafeConfigParser()
             config.readfp(
                 FakeFile(dist.get_metadata_lines('entry_points.txt'))
             )

pip/util.py

@@ -11,15 +11,16 @@
 
 from pip.exceptions import InstallationError, BadCommand
 from pip.compat import(
-    string_types, raw_input, console_to_str, stdlib_pkgs
+    console_to_str, stdlib_pkgs
 )
 from pip.locations import (
     site_packages, user_site, running_under_virtualenv, virtualenv_no_global,
     write_delete_marker_file
 )
 from pip.log import logger
-from pip._vendor import pkg_resources
+from pip._vendor import pkg_resources, six
 from pip._vendor.distlib import version
+from pip._vendor.six.moves import input
 
 __all__ = ['rmtree', 'display_path', 'backup_dir',
            'find_command', 'ask', 'Inf',
@@ -85,7 +86,7 @@ def find_command(cmd, paths=None, pathext=None):
     """Searches the PATH for the given command and returns its path"""
     if paths is None:
         paths = os.environ.get('PATH', '').split(os.pathsep)
-    if isinstance(paths, string_types):
+    if isinstance(paths, six.string_types):
         paths = [paths]
     # check if there are funny path extensions for executables, e.g. Windows
     if pathext is None:
@@ -131,7 +132,7 @@ def ask(message, options):
                 'No input was expected ($PIP_NO_INPUT set); question: %s' %
                 message
             )
-        response = raw_input(message)
+        response = input(message)
         response = response.strip().lower()
         if response not in options:
             print(

pip/vcs/mercurial.py

@@ -7,7 +7,7 @@
 from pip.log import logger
 from pip.vcs import vcs, VersionControl
 from pip.download import path_to_url
-from pip.compat import ConfigParser
+from pip._vendor.six.moves import configparser
 
 
 class Mercurial(VersionControl):
@@ -29,14 +29,14 @@ def export(self, location):
 
     def switch(self, dest, url, rev_options):
         repo_config = os.path.join(dest, self.dirname, 'hgrc')
-        config = ConfigParser.SafeConfigParser()
+        config = configparser.SafeConfigParser()
         try:
             config.read(repo_config)
             config.set('paths', 'default', url)
             config_file = open(repo_config, 'w')
             config.write(config_file)
             config_file.close()
-        except (OSError, ConfigParser.NoSectionError) as exc:
+        except (OSError, configparser.NoSectionError) as exc:
             logger.warn(
                 'Could not switch Mercurial repository to %s: %s'
                 % (url, exc))

pip/wheel.py

@@ -15,14 +15,15 @@
 from base64 import urlsafe_b64encode
 from email.parser import Parser
 
-from pip.compat import ConfigParser, StringIO, binary
+from pip.compat import StringIO, binary
 from pip.exceptions import InvalidWheelFilename, UnsupportedWheel
 from pip.locations import distutils_scheme
 from pip.log import logger
 from pip import pep425tags
 from pip.util import call_subprocess, normalize_path, make_path_relative
 from pip._vendor.distlib.scripts import ScriptMaker
 from pip._vendor import pkg_resources
+from pip._vendor.six.moves import configparser
 
 
 wheel_ext = '.whl'
@@ -114,7 +115,7 @@ def get_entrypoints(filename):
             data.write("\n")
         data.seek(0)
 
-    cp = ConfigParser.RawConfigParser()
+    cp = configparser.RawConfigParser()
     cp.readfp(data)
 
     console = {}

tests/unit/test_download.py

@@ -1,13 +1,14 @@
 import hashlib
 import os
+from io import BytesIO
 from shutil import rmtree, copy
 from tempfile import mkdtemp
 
 from mock import Mock, patch
 import pytest
 
 import pip
-from pip.compat import BytesIO, b, pathname2url
+from pip.compat import b, pathname2url
 from pip.exceptions import HashMismatch
 from pip.download import (
     PipSession, SafeFileCache, path_to_url, unpack_http_url, url_to_path,