fix logic

Author: hauntsaninja

mypy/config_parser.py

@@ -83,7 +83,7 @@ def check_follow_imports(choice: str) -> str:
     'custom_typing_module': str,
     'custom_typeshed_dir': expand_path,
     'mypy_path': lambda s: [expand_path(p.strip()) for p in re.split('[,:]', s)],
-    'ignore_path': lambda s: [expand_path(p.strip()) for p in s.split(',')],
+    'ignore_path': lambda s: [expand_path(p.strip()).replace("/", os.sep) for p in s.split(",")],
     'files': split_and_match_files,
     'quickstart_file': expand_path,
     'junit_xml': expand_path,

mypy/find_sources.py

@@ -6,7 +6,7 @@
 from typing import List, Sequence, Set, Tuple, Optional
 from typing_extensions import Final
 
-from mypy.modulefinder import BuildSource, PYTHON_EXTENSIONS, mypy_path
+from mypy.modulefinder import BuildSource, PYTHON_EXTENSIONS, mypy_path, matches_ignore_pattern
 from mypy.fscache import FileSystemCache
 from mypy.options import Options
 
@@ -111,7 +111,7 @@ def find_sources_in_dir(self, path: str) -> List[BuildSource]:
             ):
                 continue
             subpath = os.path.join(path, name)
-            if any(subpath.endswith(pattern.rstrip("/")) for pattern in self.ignore_path):
+            if any(matches_ignore_pattern(subpath, pattern) for pattern in self.ignore_path):
                 continue
 
             if self.fscache.isdir(subpath):

mypy/main.py

@@ -954,6 +954,8 @@ def set_strict_flags() -> None:
     if options.logical_deps:
         options.cache_fine_grained = True
 
+    options.ignore_path = [p.replace("/", os.sep) for p in options.ignore_path]
+
     # Set target.
     if special_opts.modules + special_opts.packages:
         options.build_type = BuildType.MODULE

mypy/modulefinder.py

@@ -451,7 +451,7 @@ def find_modules_recursive(self, module: str) -> List[BuildSource]:
                 continue
             subpath = os.path.join(package_path, name)
             if self.options and any(
-                subpath.endswith(pattern.rstrip("/")) for pattern in self.options.ignore_path
+                matches_ignore_pattern(subpath, pattern) for pattern in self.options.ignore_path
             ):
                 continue
 
@@ -475,6 +475,15 @@ def find_modules_recursive(self, module: str) -> List[BuildSource]:
         return sources
 
 
+def matches_ignore_pattern(path: str, pattern: str) -> bool:
+    path_components = path.split(os.sep)
+    pattern_components = pattern.split(os.sep)
+    return all(
+        path == pattern
+        for path, pattern in zip(reversed(path_components), reversed(pattern_components))
+    )
+
+
 def verify_module(fscache: FileSystemCache, id: str, path: str, prefix: str) -> bool:
     """Check that all packages containing id have a __init__ file."""
     if path.endswith(('__init__.py', '__init__.pyi')):