Clean up some no longer needed compatability code

pip/compat.py

@@ -30,19 +30,6 @@ except NameError:
 console_encoding = sys.__stdout__.encoding
 
 
-try:
-    unicode
-
-    def binary(s):
-        if isinstance(s, unicode):
-            return s.encode('ascii')
-        return s
-except NameError:
-    def binary(s):
-        if isinstance(s, str):
-            return s.encode('ascii')
-
-
 if sys.version_info >= (3,):
     from io import StringIO
     from urllib.error import URLError, HTTPError
@@ -54,12 +41,6 @@ if sys.version_info >= (3,):
     def cmp(a, b):
         return (a > b) - (a < b)
 
-    def b(s):
-        return s.encode('utf-8')
-
-    def u(s):
-        return s.decode('utf-8')
-
     def console_to_str(s):
         try:
             return s.decode(console_encoding)
@@ -77,12 +58,6 @@ else:
     import urllib2
     import urlparse
 
-    def b(s):
-        return s
-
-    def u(s):
-        return s
-
     def console_to_str(s):
         return s
 

pip/req/req_uninstall.py

@@ -3,7 +3,7 @@ import os
 import sys
 import tempfile
 
-from pip.compat import uses_pycache, b
+from pip.compat import uses_pycache
 from pip.exceptions import UninstallationError
 from pip.log import logger
 from pip.util import (rmtree, ask, is_local, dist_is_local, renames,
@@ -176,14 +176,14 @@ class UninstallPthEntries(object):
         lines = fh.readlines()
         self._saved_lines = lines
         fh.close()
-        if any(b('\r\n') in line for line in lines):
+        if any(b'\r\n' in line for line in lines):
             endline = '\r\n'
         else:
             endline = '\n'
         for entry in self.entries:
             try:
                 logger.info('Removing entry: %s' % entry)
-                lines.remove(b(entry + endline))
+                lines.remove((entry + endline).encode("utf-8"))
             except ValueError:
                 pass
         fh = open(self.file, 'wb')

pip/util.py

@@ -10,9 +10,7 @@ import tarfile
 import zipfile
 
 from pip.exceptions import InstallationError, BadCommand
-from pip.compat import(
-    console_to_str, stdlib_pkgs
-)
+from pip.compat import console_to_str, stdlib_pkgs
 from pip.locations import (
     site_packages, user_site, running_under_virtualenv, virtualenv_no_global,
     write_delete_marker_file

pip/wheel.py

@@ -15,7 +15,7 @@ import sys
 from base64 import urlsafe_b64encode
 from email.parser import Parser
 
-from pip.compat import StringIO, binary
+from pip.compat import StringIO
 from pip.exceptions import InvalidWheelFilename, UnsupportedWheel
 from pip.locations import distutils_scheme
 from pip.log import logger
@@ -65,10 +65,10 @@ def fix_script(path):
         script = open(path, 'rb')
         try:
             firstline = script.readline()
-            if not firstline.startswith(binary('#!python')):
+            if not firstline.startswith(b'#!python'):
                 return False
             exename = sys.executable.encode(sys.getfilesystemencoding())
-            firstline = binary('#!') + exename + binary(os.linesep)
+            firstline = b'#!' + exename + os.linesep.encode("ascii")
             rest = script.read()
         finally:
             script.close()

tests/unit/test_download.py

@@ -8,7 +8,7 @@ from mock import Mock, patch
 import pytest
 
 import pip
-from pip.compat import b, pathname2url
+from pip.compat import pathname2url
 from pip.exceptions import HashMismatch
 from pip.download import (
     PipSession, SafeFileCache, path_to_url, unpack_http_url, url_to_path,
@@ -84,7 +84,7 @@ def test_unpack_http_url_bad_downloaded_checksum(mock_unpack_file):
     If already-downloaded file has bad checksum, re-download.
     """
     base_url = 'http://www.example.com/somepackage.tgz'
-    contents = b('downloaded')
+    contents = b'downloaded'
     download_hash = hashlib.new('sha1', contents)
     link = Link(base_url + '#sha1=' + download_hash.hexdigest())