Support quoted filenames

Author: matiasb

AUTHORS

@@ -34,3 +34,4 @@ Contributors
   * (`@cpackham-atlnz`)
   * David Leen (`@dleen`)
   * Martin Liška (`@marxin`)
+  * Tushar Sadhwani (`@tushar-deepsource`)

tests/samples/git_quoted_filename.diff

@@ -0,0 +1,7 @@
+diff --git "a/A \303\242 B.py" "b/A \303\242 B.py"
+new file mode 100644
+index 0000000..ce01362
+--- /dev/null
++++ "b/A \303\242 B.py"
+@@ -0,0 +1 @@
++hello

tests/test_parser.py

@@ -1,7 +1,7 @@
 # -*- coding: utf-8 -*-
 
 # The MIT License (MIT)
-# Copyright (c) 2014-2021 Matias Bordese
+# Copyright (c) 2014-2023 Matias Bordese
 #
 # Permission is hereby granted, free of charge, to any person obtaining a copy
 # of this software and associated documentation files (the "Software"), to deal
@@ -337,6 +337,19 @@ def test_parse_filename_prefix_with_spaces(self):
         self.assertTrue(res[0].is_added_file)
         self.assertEqual(res[0].path, 'dst://foo bar/baz')
 
+    def test_parse_quoted_filename(self):
+        filename = os.path.join(self.samples_dir, 'samples/git_quoted_filename.diff')
+        with open(filename) as f:
+            res = PatchSet(f)
+
+        self.assertEqual(len(res), 1)
+
+        self.assertEqual(res[0].source_file, '/dev/null')
+        self.assertEqual(res[0].target_file, '"b/A \\303\\242 B.py"')
+        self.assertTrue(res[0].is_added_file)
+        self.assertEqual(res[0].path, '"A \\303\\242 B.py"')
+
+
     def test_deleted_file(self):
         filename = os.path.join(self.samples_dir, 'samples/git_delete.diff')
         with open(filename) as f:

unidiff/constants.py

@@ -1,7 +1,7 @@
 # -*- coding: utf-8 -*-
 
 # The MIT License (MIT)
-# Copyright (c) 2014-2022 Matias Bordese
+# Copyright (c) 2014-2023 Matias Bordese
 #
 # Permission is hereby granted, free of charge, to any person obtaining a copy
 # of this software and associated documentation files (the "Software"), to deal
@@ -30,14 +30,14 @@
 
 
 RE_SOURCE_FILENAME = re.compile(
-    r'^--- (?P<filename>[^\t\n]+)(?:\t(?P<timestamp>[^\n]+))?')
+    r'^--- (?P<filename>"?[^\t\n]+"?)(?:\t(?P<timestamp>[^\n]+))?')
 RE_TARGET_FILENAME = re.compile(
-    r'^\+\+\+ (?P<filename>[^\t\n]+)(?:\t(?P<timestamp>[^\n]+))?')
+    r'^\+\+\+ (?P<filename>"?[^\t\n]+"?)(?:\t(?P<timestamp>[^\n]+))?')
 
 
 # check diff git line for git renamed files support
 RE_DIFF_GIT_HEADER = re.compile(
-    r'^diff --git (?P<source>a/[^\t\n]+) (?P<target>b/[^\t\n]+)')
+    r'^diff --git (?P<source>"?a/[^\t\n]+"?) (?P<target>"?b/[^\t\n]+"?)')
 RE_DIFF_GIT_HEADER_URI_LIKE = re.compile(
     r'^diff --git (?P<source>.*://[^\t\n]+) (?P<target>.*://[^\t\n]+)')
 RE_DIFF_GIT_HEADER_NO_PREFIX = re.compile(

unidiff/patch.py

@@ -1,7 +1,7 @@
 # -*- coding: utf-8 -*-
 
 # The MIT License (MIT)
-# Copyright (c) 2014-2022 Matias Bordese
+# Copyright (c) 2014-2023 Matias Bordese
 #
 # Permission is hereby granted, free of charge, to any person obtaining a copy
 # of this software and associated documentation files (the "Software"), to deal
@@ -393,9 +393,16 @@ def path(self):
             # if this is a rename, prefer the target filename
             filepath = self.target_file
 
+        quoted = filepath.startswith('"') and filepath.endswith('"')
+        if quoted:
+            filepath = filepath[1:-1]
+
         if filepath.startswith('a/') or filepath.startswith('b/'):
             filepath = filepath[2:]
 
+        if quoted:
+            filepath = '"{}"'.format(filepath)
+
         return filepath
 
     @property