Don't list packages in current directory

Author: deveshks

news/7731.bugfix

@@ -0,0 +1 @@
+Avoid listing packages from current directory, when invoked as 'python -m pip list'

src/pip/_internal/commands/list.py

@@ -5,6 +5,8 @@
 
 import json
 import logging
+import os
+import sys
 
 from pip._vendor import six
 from pip._vendor.six.moves import zip_longest
@@ -139,12 +141,18 @@ def run(self, options, args):
 
         cmdoptions.check_list_path_option(options)
 
+        # Filter sys.path, to avoid listing distributions
+        # from current directory
+        paths = options.path
+        if paths is None:
+            paths = [item for item in sys.path if item and item != os.getcwd()]
+
         packages = get_installed_distributions(
             local_only=options.local,
             user_only=options.user,
             editables_only=options.editable,
             include_editables=options.include_editable,
-            paths=options.path,
+            paths=paths,
         )
 
         # get_not_required must be called firstly in order to find and

tests/functional/test_list.py

@@ -3,6 +3,7 @@
 
 import pytest
 
+from tests.lib import create_test_package_with_setup
 from tests.lib.path import Path
 
 
@@ -543,3 +544,21 @@ def test_list_path_multiple(tmpdir, script, data):
     json_result = json.loads(result.stdout)
     assert {'name': 'simple', 'version': '2.0'} in json_result
     assert {'name': 'simple2', 'version': '3.0'} in json_result
+
+
+def test_list_skip_work_dir_pkg(script):
+    """
+    Test that list should not include package in working directory
+    """
+
+    # Create a test package and create .egg-info dir
+    pkg_path = create_test_package_with_setup(script,
+                                              name='simple',
+                                              version='1.0')
+    script.run('python', 'setup.py', 'egg_info',
+               expect_stderr=True, cwd=pkg_path)
+
+    # List should not include package simple when run from package directory
+    result = script.pip('list', '--format=json', cwd=pkg_path)
+    json_result = json.loads(result.stdout)
+    assert {'name': 'simple', 'version': '1.0'} not in json_result