Add pre-commit to automatically run formatting when committing

.pre-commit-config.yaml

@@ -0,0 +1,28 @@
+# See https://pre-commit.com for more information
+repos:
+  - repo: https://github.com/pre-commit/pre-commit-hooks
+    rev: v4.4.0
+    hooks:
+    - id: check-added-large-files
+      name: " 🐘 Check for added large files"
+    - id: check-toml
+      name: " ✔️  Check TOML"
+    - id: check-yaml
+      name: " ✔️  Check YAML"
+      args:
+      - --unsafe
+    - id: check-json
+      name: " ✔️  Check JSON"
+    - id: trailing-whitespace
+      name: " ✂️  Trim trailing whitespaces"
+  - repo: https://github.com/charliermarsh/ruff-pre-commit
+    rev: v0.0.277
+    hooks:
+      - id: ruff
+        name: " ⚡️ Formatting code with Ruff"
+        args:
+        - --fix
+
+ci:
+    autofix_commit_msg: 🎨 [pre-commit] Auto format
+    autoupdate_commit_msg: ⬆ [pre-commit] pre-commit auto update

CONTRIBUTING.md

@@ -33,6 +33,8 @@ git clone https://github.com/LibreTranslate/LibreTranslate.git
 cd LibreTranslate
 ```
 
+Hatch will automatically install the required dependencies in a virtual environment, and enable [`pre-commit`](https://pre-commit.com/), which will run before each commit to run formatting.
+
 Run in development:
 
 ```bash
@@ -72,6 +74,12 @@ You can also run the tests on multiple python versions:
 hatch run all:test
 ```
 
+You can clean the virtual environment with:
+
+```bash
+hatch env prune
+```
+
 ## Run with Docker
 
 Linux/macOS: `./run.sh [args]`
@@ -125,4 +133,4 @@ This occurs when your operating system depends on and manages Python for core fu
 This prevents pip packages from being installed system-wide. This way, there are no risks of pip packages conflicting between multiple projects or the operating system.
 
 References:
-* [Python venv documentation](https://docs.python.org/library/venv.html) 
+* [Python venv documentation](https://docs.python.org/library/venv.html)

k8s.yaml

@@ -1,4 +1,4 @@
-# kubernetes deployment template 
+# kubernetes deployment template
 # prepare a namespace on your cluster first like libretranslate-prod
 apiVersion: v1
 kind: ConfigMap
@@ -41,7 +41,7 @@ spec:
           valueFrom:
             configMapKeyRef:
               name: libretranslate-config
-              key: ltapikey              
+              key: ltapikey
 ---
 apiVersion: v1
 kind: Service

libretranslate/default_values.py

@@ -170,7 +170,7 @@ _default_options_objects = [
         'name': 'UPDATE_MODELS',
         'default_value': False,
         'value_type': 'bool'
-    },    
+    },
     {
         'name': 'METRICS',
         'default_value': False,

libretranslate/locales.py

@@ -44,7 +44,7 @@ def get_alternate_locale_links():
     tmpl = os.environ.get("LT_LOCALE_LINK_TEMPLATE")
     if tmpl is None:
         return []
-    
+
     locales = get_available_locale_codes()
     result = []
     for l in locales:

libretranslate/no_limiter.py

@@ -8,6 +8,6 @@ class Limiter:
             return f(*args, **kwargs)
 
         return wrapper
-    
+
     def init_app(self, app):
         pass

libretranslate/scheduler.py

@@ -18,7 +18,7 @@ def setup(args):
 
         if args.api_keys and args.require_api_key_secret:
             scheduler.add_job(func=rotate_secrets, trigger="interval", minutes=30)
-        
+
         scheduler.start()
 
         # Shut down the scheduler when exiting the app

libretranslate/secret.py

@@ -12,7 +12,7 @@ def rotate_secrets():
     secret_1 = s.get_str("secret_1")
     s.set_str("secret_0", secret_1)
     s.set_str("secret_1", generate_secret())
-    
+
 
 def secret_match(secret):
     s = get_storage()

libretranslate/storage.py

@@ -31,22 +31,22 @@ class Storage:
         raise Exception("not implemented")
     def dec_hash_int(self, ns, key):
         raise Exception("not implemented")
-    
+
     def get_hash_keys(self, ns):
         raise Exception("not implemented")
     def del_hash(self, ns, key):
         raise Exception("not implemented")
-    
+
 class MemoryStorage(Storage):
     def __init__(self):
         self.store = {}
-    
+
     def exists(self, key):
         return key in self.store
 
     def set_bool(self, key, value):
         self.store[key] = bool(value)
-    
+
     def get_bool(self, key):
         return bool(self.store[key])
 
@@ -55,10 +55,10 @@ class MemoryStorage(Storage):
 
     def get_int(self, key):
         return int(self.store.get(key, 0))
-    
+
     def set_str(self, key, value):
         self.store[key] = value
-    
+
     def get_str(self, key):
         return str(self.store.get(key, ""))
 
@@ -74,7 +74,7 @@ class MemoryStorage(Storage):
     def inc_hash_int(self, ns, key):
         if ns not in self.store:
             self.store[ns] = {}
-        
+
         if key not in self.store[ns]:
             self.store[ns][key] = 0
         else:
@@ -83,7 +83,7 @@ class MemoryStorage(Storage):
     def dec_hash_int(self, ns, key):
         if ns not in self.store:
             self.store[ns] = {}
-        
+
         if key not in self.store[ns]:
             self.store[ns][key] = 0
         else:
@@ -103,13 +103,13 @@ class RedisStorage(Storage):
     def __init__(self, redis_uri):
         self.conn = redis.from_url(redis_uri)
         self.conn.ping()
-    
+
     def exists(self, key):
         return bool(self.conn.exists(key))
 
     def set_bool(self, key, value):
         self.conn.set(key, "1" if value else "0")
-    
+
     def get_bool(self, key):
         return bool(self.conn.get(key))
 
@@ -122,24 +122,24 @@ class RedisStorage(Storage):
             return 0
         else:
             return v
-    
+
     def set_str(self, key, value):
         self.conn.set(key, value)
-    
+
     def get_str(self, key):
         v = self.conn.get(key)
         if v is None:
             return ""
         else:
             return v.decode('utf-8')
-    
+
     def get_hash_int(self, ns, key):
         v = self.conn.hget(ns, key)
         if v is None:
             return 0
         else:
             return int(v)
-    
+
     def set_hash_int(self, ns, key, value):
         self.conn.hset(ns, key, value)
 

pyproject.toml

@@ -65,7 +65,7 @@ ltmanage = "libretranslate.manage:manage"
 test = [
     "pytest >=7.2.0",
     "pytest-cov",
-    "ruff ==0.0.277",
+    "pre-commit >=3.0.0",
     "types-requests",
 ]
 
@@ -83,13 +83,16 @@ History = "https://github.com/LibreTranslate/LibreTranslate/releases"
 features = [
     "test",
 ]
+post-install-commands = [
+    "pre-commit install",
+]
 
 
 [tool.hatch.envs.default.scripts]
 dev = "python main.py {args}"
 locales = "python scripts/compile_locales.py"
 fmt = [
-    "ruff libretranslate scripts --fix",
+    "pre-commit run --all --all-files",
 ]
 test = [
     "fmt",

scripts/gunicorn_conf.py

@@ -36,7 +36,7 @@ def on_starting(server):
             sys.argv.append(kwargs[k])
 
     args = get_args()
-    
+
     from libretranslate import flood, scheduler, secret, storage
     storage.setup(args.shared_storage)
     scheduler.setup(args)

scripts/suggestions-to-jsonl.py

@@ -25,19 +25,19 @@ if __name__ == "__main__":
 
     con = sqlite3.connect(args.db, check_same_thread=False)
     cur = con.cursor()
-    
+
     with open(output_file, 'w', encoding="utf-8") as f:
         for row in cur.execute('SELECT q, s, source, target FROM suggestions WHERE source != "auto" ORDER BY source'):
             q, s, source, target = row
             obj = {
                 'q': q,
-                's': s, 
+                's': s,
                 'source': source,
                 'target': target
             }
             json.dump(obj, f, ensure_ascii=False)
             f.write('\n')
-    
+
     print("Wrote %s" % output_file)
 
     if args.clear:

scripts/update_locales.py

@@ -54,7 +54,7 @@ if __name__ == "__main__":
 
     messagespot = os.path.join(locales_dir, "messages.pot")
     print("Updating %s" % messagespot)
-    sys.argv = ["", "extract", "-F", "babel.cfg", "-k", "_e _h", 
+    sys.argv = ["", "extract", "-F", "babel.cfg", "-k", "_e _h",
                 "--copyright-holder", "LibreTranslate Authors",
                 "--project", "LibreTranslate",
                 "--version", get_version(),
@@ -80,7 +80,7 @@ if __name__ == "__main__":
                     'reviewed': False
                 }, indent=4))
                 print("Wrote %s" % meta_file)
-    
+
     # Automatically translate strings with libretranslate
     # when a language model is available and a string is empty
 
@@ -103,10 +103,10 @@ if __name__ == "__main__":
             print("Translating '%s'" % locale)
             pofile = polib.pofile(messages_file)
             c = 0
-            
+
             for entry in pofile.untranslated_entries():
                 text = entry.msgid
-                
+
                 # Extract placeholders
                 placeholders = re.findall(r'%\(?[^\)]*\)?s', text)
 
@@ -126,11 +126,11 @@ if __name__ == "__main__":
                     else:
                         # Meh, append
                         translated += " " + placeholders[p]
-                
+
                 print(entry.msgid, " --> ", translated)
                 entry.msgstr = translated
                 c += 1
-            
+
             if c > 0:
                 pofile.save(messages_file)
                 print("Saved %s" % messages_file)

wsgi.py

@@ -1,5 +1,6 @@
 from libretranslate import main
 
+
 def app(*args, **kwargs):
     import sys
     sys.argv = ['--wsgi']