Use ruff to format Python files (#658)

lib/l10n/collect_translations.py

@@ -16,6 +16,7 @@ from posixpath import dirname
 import shutil
 import re
 
+
 def process_locale_file(filename, locale_name):
     """
     Process a locale file after copying
@@ -26,21 +27,20 @@ def process_locale_file(filename, locale_name):
     # TODO: Use JSON processing instead of manual
     # Need to work out unicode issues for this to work
 
-    with open(filename, 'r', encoding='utf-8') as input_file:
-
+    with open(filename, "r", encoding="utf-8") as input_file:
         lines = input_file.readlines()
 
-    with open(filename, 'w', encoding='utf-8') as output_file:
+    with open(filename, "w", encoding="utf-8") as output_file:
         # Using JSON processing would be simpler here,
         # but it does not preserve unicode data!
         for line in lines:
-            if '@@locale' in line:
+            if "@@locale" in line:
                 new_line = f'    "@@locale": "{locale_name}"'
 
-                if ',' in line:
-                    new_line += ','
-                
-                new_line += '\n'
+                if "," in line:
+                    new_line += ","
+
+                new_line += "\n"
 
                 line = new_line
 
@@ -55,12 +55,10 @@ def copy_locale_file(path):
     here = os.path.abspath(os.path.dirname(__file__))
 
     for f in os.listdir(path):
-
         src = os.path.join(path, f)
-        dst = os.path.join(here, 'collected', f)
-
-        if os.path.exists(src) and os.path.isfile(src) and f.endswith('.arb'):
+        dst = os.path.join(here, "collected", f)
 
+        if os.path.exists(src) and os.path.isfile(src) and f.endswith(".arb"):
             shutil.copyfile(src, dst)
             print(f"Copied file '{f}'")
 
@@ -73,7 +71,7 @@ def copy_locale_file(path):
             locale = r.groups()[0]
             fallback = f"app_{locale}.arb"
 
-            fallback_file = os.path.join(here, 'collected', fallback)
+            fallback_file = os.path.join(here, "collected", fallback)
 
             if not os.path.exists(fallback_file):
                 print(f"Creating fallback file:", fallback_file)
@@ -87,18 +85,18 @@ def generate_locale_list(locales):
     Generate a .dart file which contains all the supported locales,
     for importing into the project
     """
-    
-    with open("supported_locales.dart", "w") as output:
 
-        output.write("// This file is auto-generated by the 'collect_translations.py' script - do not edit it directly!\n\n")
+    with open("supported_locales.dart", "w") as output:
+        output.write(
+            "// This file is auto-generated by the 'collect_translations.py' script - do not edit it directly!\n\n"
+        )
         output.write('import "package:flutter/material.dart";\n\n')
         output.write("const List<Locale> supported_locales = [\n")
 
         locales = sorted(locales)
 
         for locale in locales:
-
-            if locale.startswith('.'):
+            if locale.startswith("."):
                 continue
 
             splt = locale.split("_")
@@ -107,19 +105,21 @@ def generate_locale_list(locales):
                 lc, cc = splt
             else:
                 lc = locale
-                cc = ''
-            
-            output.write(f'    Locale("{lc}", "{cc}"),   // Translations available in app_{locale}.arb\n')
+                cc = ""
+
+            output.write(
+                f'    Locale("{lc}", "{cc}"),   // Translations available in app_{locale}.arb\n'
+            )
 
         output.write("];\n")
         output.write("")
 
-if __name__ == '__main__':
 
+if __name__ == "__main__":
     here = os.path.abspath(os.path.dirname(__file__))
 
     # Ensure the 'collected' output directory exists
-    output_dir = os.path.join(here, 'collected')
+    output_dir = os.path.join(here, "collected")
     os.makedirs(output_dir, exist_ok=True)
 
     # Remove existing .arb files from output directory
@@ -128,12 +128,11 @@ if __name__ == '__main__':
     for arb in arbs:
         os.remove(arb)
 
-    locales = ['en']
+    locales = ["en"]
 
     for locale in os.listdir(here):
-
         # Ignore the output directory
-        if locale == 'collected':
+        if locale == "collected":
             continue
 
         f = os.path.join(here, locale)
@@ -144,8 +143,8 @@ if __name__ == '__main__':
 
     # Ensure the translation source file ('app_en.arb') is copied also
     # Note that this does not require any further processing
-    src = os.path.join(here, 'app_en.arb')
-    dst = os.path.join(here, 'collected', 'app_en.arb')
+    src = os.path.join(here, "app_en.arb")
+    dst = os.path.join(here, "collected", "app_en.arb")
 
     shutil.copyfile(src, dst)