Add a support for pip install with sudo

- Fixes #136

tests/rules/test_pip_install_sudo.py

@@ -0,0 +1,58 @@
+import pytest
+from thefuck.rules.pip_install_sudo import match, get_new_command
+from tests.utils import Command
+
+
+@pytest.fixture
+def stdout_success():
+    return '''
+    Collecting thefuck
+      Downloading thefuck-1.30.tar.gz
+    Requirement already satisfied (use --upgrade to upgrade): pathlib in /usr/local/lib/python2.7/site-packages/pathlib-1.0.1-py2.7.egg (from thefuck)
+    Requirement already satisfied (use --upgrade to upgrade): psutil in /usr/local/lib/python2.7/site-packages/psutil-2.2.1-py2.7-macosx-10.10-x86_64.egg (from thefuck)
+    Requirement already satisfied (use --upgrade to upgrade): colorama in /usr/local/lib/python2.7/site-packages/colorama-0.3.3-py2.7.egg (from thefuck)
+    Requirement already satisfied (use --upgrade to upgrade): six in /usr/local/lib/python2.7/site-packages (from thefuck)
+    Installing collected packages: thefuck
+      Running setup.py install for thefuck
+    Successfully installed thefuck-1.30
+    '''
+
+
+@pytest.fixture
+def stdout():
+    return '''
+    Collecting ipaddr
+      Using cached ipaddr-2.1.11.tar.gz
+    Installing collected packages: ipaddr
+      Running setup.py install for ipaddr
+        Complete output from command /usr/bin/python -c "import setuptools, tokenize;__file__='/tmp/pip-build-usOyBh/ipaddr/setup.py';exec(compile(getattr(tokenize, 'open', open)(__file__).read().replace('\r\n', '\n'), __file__, 'exec'))" install --record /tmp/pip-ghPfAW-record/install-record.txt --single-version-externally-managed --compile:
+        running install
+        running build
+        running build_py
+        creating build
+        creating build/lib.linux-x86_64-2.7
+        copying ipaddr.py -> build/lib.linux-x86_64-2.7
+        running install_lib
+        copying build/lib.linux-x86_64-2.7/ipaddr.py -> /usr/local/lib/python2.7/dist-packages
+        error: [Errno 13] Permission denied: '/usr/local/lib/python2.7/dist-packages/ipaddr.py'
+    '''
+
+
+@pytest.fixture
+def stderr():
+    return '''
+    Command "/usr/bin/python -c "import setuptools, tokenize;__file__='/tmp/pip-build-usOyBh/ipaddr/setup.py';exec(compile(getattr(tokenize, 'open', open)(__file__).read().replace('\r\n', '\n'), __file__, 'exec'))" install --record /tmp/pip-ghPfAW-record/install-record.txt --single-version-externally-managed --compile" failed with error code 1 in /tmp/pip-build-usOyBh/ipaddr
+    '''
+
+
+def test_match(stdout, stdout_success, stderr):
+    assert match(Command('pip install ipaddr', stdout=stdout, stderr=stderr),
+                 None)
+    assert not match(Command('pip install thefuck', stdout=stdout_success),
+                     None)
+
+
+def test_get_new_command(stdout, stdout_success, stderr):
+    assert get_new_command(Command('pip install ipaddr', stdout=stdout,
+                                   stderr=stderr), None)\
+            == 'sudo pip install ipaddr'

thefuck/rules/pip_install_sudo.py

@@ -0,0 +1,13 @@
+import re
+from thefuck.utils import sudo_support
+
+
+def match(command, settings):
+    return (('pip' in command.script and 'install' in command.script) and
+            'failed with error code 1' in command.stderr and
+            ('Errno 13' in command.stdout or
+             'Permission denied' in command.stdout))
+
+
+def get_new_command(command, settings):
+    return u'sudo {}'.format(command.script)