DEVX-47: feat: add Polish as officially supported language

src/devx/ci/check_translations.py

@@ -11,8 +11,8 @@ Checks performed (all fail with exit code 1 on error):
 - **Missing keys**: a ``_()`` call in code has no entry in the corresponding
   translations file.
 - **Dead keys**: a key in a translations file is not used in any code.
-- **Missing languages**: a key exists but is missing one of the 5 supported
-  languages (en, bg, de, ru, zh). This is an error — all supported languages
+- **Missing languages**: a key exists but is missing one of the 6 supported
+  languages (en, bg, de, ru, zh, pl). This is an error — all supported languages
   must have translations for every key.
 
 Usage::
@@ -33,7 +33,7 @@ import click
 
 REPO_ROOT = Path(__file__).resolve().parent.parent.parent.parent
 
-SUPPORTED_LANGS = ("en", "bg", "de", "ru", "zh")
+SUPPORTED_LANGS = ("en", "bg", "de", "ru", "zh", "pl")
 
 # Default translation set: devx package itself
 DEFAULT_TRANS_FILE = REPO_ROOT / "src" / "devx" / "translations.json"
@@ -101,9 +101,9 @@ def collect_keys(src_dir: Path) -> set[str]:
         if pyfile.name == "i18n.py":
             continue
         keys |= extract_keys(pyfile)
-    # Add dynamic keys for the default source directory
-    if src_dir == DEFAULT_SRC_DIR:
-        keys |= DYNAMIC_KEYS
+    # Dynamic keys are common status strings used via _(variable) that
+    # can't be detected by AST scanning. Include them for all projects.
+    keys |= DYNAMIC_KEYS
     return keys
 
 

src/devx/i18n.py

@@ -1,7 +1,7 @@
 """Simple i18n for devx scripts and tools.
 
 Set DEVX_LANG environment variable to override the default English.
-Supported: en, bg, de, ru, zh.
+Supported: en, bg, de, ru, zh, pl.
 
 Projects can extend translations by setting DEVX_TRANSLATIONS_PATH to a
 JSON file with additional keys. Keys from the project's file are merged
@@ -45,7 +45,7 @@ def _(key: str, **kwargs: object) -> str:
     If unset, English is always returned regardless of system locale.
     """
     lang = os.getenv("DEVX_LANG", "en")
-    if lang not in ("en", "bg", "de", "ru", "zh"):
+    if lang not in ("en", "bg", "de", "ru", "zh", "pl"):
         lang = "en"
     template = TRANSLATIONS.get(key, {}).get(lang, key)
     return template.format(**kwargs)