From 368d0b190ae563b668f3e16c447f5b555a6602a1 Mon Sep 17 00:00:00 2001
From: Arkadiusz Bokowy <arkadiusz.bokowy@gmail.com>
Date: Mon, 14 Mar 2022 21:11:30 +0100
Subject: [PATCH] Fix requirement parsing for local dir with extras

Fixes #47
---
 LICENSE.txt                        |  2 +-
 src/flake8_requirements/checker.py | 10 +++++++++-
 test/test_requirements.txt         |  1 +
 3 files changed, 11 insertions(+), 2 deletions(-)

diff --git a/LICENSE.txt b/LICENSE.txt
index 8c49e7c..7869d6c 100644
--- a/LICENSE.txt
+++ b/LICENSE.txt
@@ -1,6 +1,6 @@
 The MIT License
 
-Copyright (c) 2017-2021 Arkadiusz Bokowy <arkadiusz.bokowy@gmail.com>
+Copyright (c) 2017-2022 Arkadiusz Bokowy <arkadiusz.bokowy@gmail.com>
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal
diff --git a/src/flake8_requirements/checker.py b/src/flake8_requirements/checker.py
index 881e4c4..3c40ece 100644
--- a/src/flake8_requirements/checker.py
+++ b/src/flake8_requirements/checker.py
@@ -18,7 +18,7 @@
 from .modules import STDLIB_PY3
 
 # NOTE: Changing this number will alter package version as well.
-__version__ = "1.5.2"
+__version__ = "1.5.3"
 __license__ = "MIT"
 
 LOG = getLogger('flake8.plugin.requirements')
@@ -433,6 +433,9 @@ def discover_project_root_dir(cls):
     _requirement_match_option = re.compile(
         r"(-[\w-]+)(.*)").match
 
+    _requirement_match_extras = re.compile(
+        r"(.*?)\s*(\[[^]]+\])").match
+
     _requirement_match_spec = re.compile(
         r"(.*?)\s+--(global-option|install-option|hash)").match
 
@@ -509,6 +512,11 @@ def resolve_requirement(cls, requirement, max_depth=0, path=None):
             requirement = os.path.basename(requirement)
             if requirement.split()[0] == ".":
                 requirement = ""
+            # It seems that the parse_requirements() function does not like
+            # ".[foo,bar]" syntax (current directory with extras).
+            extras_match = cls._requirement_match_extras(requirement)
+            if extras_match is not None and extras_match.group(1) == ".":
+                requirement = ""
 
         # Extract requirement specifier (skip in-line options).
         spec_match = cls._requirement_match_spec(requirement)
diff --git a/test/test_requirements.txt b/test/test_requirements.txt
index 6258a55..07e5fba 100644
--- a/test/test_requirements.txt
+++ b/test/test_requirements.txt
@@ -30,4 +30,5 @@ git+git://github.com/path/to/package-two@master#egg=package-two&subdirectory=src
 --editable /opt/whiteBox  # Local proprietary package
 
 ###### Install THIS project in a develop mode ######
+--editable .[foo,bar]
 --editable .