From 39edf1a58dce51115baa82edd94cbfb591710863 Mon Sep 17 00:00:00 2001
From: ~Jhellico <jhellico@gmail.com>
Date: Tue, 11 Feb 2025 13:25:34 +0200
Subject: [PATCH 1/3] Fix `directory` parameter handling

---
 src/lingva/extract.py | 11 +++++++----
 1 file changed, 7 insertions(+), 4 deletions(-)

diff --git a/src/lingva/extract.py b/src/lingva/extract.py
index 6292aaf..6887639 100644
--- a/src/lingva/extract.py
+++ b/src/lingva/extract.py
@@ -78,7 +78,7 @@ def update(self, message, add_occurrences=True):
 
 
 class POFile(polib.POFile):
-    copyright = None
+    copyright_holder = None
     package_name = None
 
     def metadata_as_entry(self):
@@ -124,9 +124,11 @@ def list_files(files_from, sources):
             sys.exit(1)
 
 
-def find_file(filename, search_path=[]):
+def find_file(filename, search_path=None):
     """Return the filename for a given file, checking search paths."""
-    paths = [os.path.curdir] + search_path
+    if search_path is None:
+        search_path = []
+    paths = (os.path.curdir, *search_path)
     for path in paths:
         filename = os.path.join(path, filename)
         if os.path.isfile(filename):
@@ -276,7 +278,6 @@ def extract(
     msgid_bugs_address=None,
 ):
     """Extract translatable strings."""
-    directory = list(directory)
     register_extractors()
     register_babel_plugins()
 
@@ -300,6 +301,8 @@ def extract(
     )
 
     scanned = 0
+    if directory and not isinstance(directory, list):
+        directory = list(directory)
     for filename in no_duplicates(list_files(files_from, sources)):
         real_filename = find_file(filename, directory)
         if real_filename is None:

From de7fffb9617643bb0489e5a76013eeb5afc64b7e Mon Sep 17 00:00:00 2001
From: ~Jhellico <jhellico@gmail.com>
Date: Thu, 10 Apr 2025 21:23:16 +0300
Subject: [PATCH 2/3] Add `--allow-empty` parameter

---
 src/lingva/extract.py | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/src/lingva/extract.py b/src/lingva/extract.py
index 6887639..0efa558 100644
--- a/src/lingva/extract.py
+++ b/src/lingva/extract.py
@@ -269,6 +269,7 @@ def extract(
     linenumbers=True,
     width=79,
     sort_order=None,
+    allow_empty=False,
     domain=None,
     keywords=None,
     comment_tag=None,
@@ -332,7 +333,7 @@ def extract(
     if not scanned:
         click.echo("No files scanned, aborting", err=True)
         sys.exit(1)
-    if not catalog:
+    if not catalog and not allow_empty:
         click.echo("No translatable strings found, aborting", err=True)
         sys.exit(2)
 
@@ -410,6 +411,12 @@ def extract(
     flag_value="location",
     help="Order messages by file location",
 )
+@click.option(
+    "--allow-empty",
+    "allow_empty",
+    default=False,
+    help="Allow output file with no msg entries",
+)
 # Extraction configuration
 @click.option("-d", "--domain", help="Domain to extract")
 @click.option(
@@ -457,6 +464,7 @@ def main(
     linenumbers,
     width,
     sort_order,
+    allow_empty,
     domain,
     keywords,
     comment_tag,
@@ -477,6 +485,7 @@ def main(
         linenumbers,
         width,
         sort_order,
+        allow_empty,
         domain,
         keywords,
         comment_tag,

From 34d733ae55de4c9c7944740b084b7141963cc35b Mon Sep 17 00:00:00 2001
From: ~Jhellico <jhellico@gmail.com>
Date: Tue, 15 Apr 2025 01:07:36 +0300
Subject: [PATCH 3/3] PR suggestion

---
 src/lingva/extract.py | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/src/lingva/extract.py b/src/lingva/extract.py
index 0efa558..9e473eb 100644
--- a/src/lingva/extract.py
+++ b/src/lingva/extract.py
@@ -126,10 +126,7 @@ def list_files(files_from, sources):
 
 def find_file(filename, search_path=None):
     """Return the filename for a given file, checking search paths."""
-    if search_path is None:
-        search_path = []
-    paths = (os.path.curdir, *search_path)
-    for path in paths:
+    for path in (os.path.curdir, *(search_path or ())):
         filename = os.path.join(path, filename)
         if os.path.isfile(filename):
             return filename