Switch from comments to annotations for types.

src/transformers/hf_api.py

@@ -27,28 +27,15 @@
 
 
 class S3Obj:
-    def __init__(
-        self,
-        filename,  # type: str
-        LastModified,  # type: str
-        ETag,  # type: str
-        Size,  # type: int
-        **kwargs
-    ):
+    def __init__(self, filename: str, LastModified: str, ETag: str, Size: int, **kwargs):
         self.filename = filename
         self.LastModified = LastModified
         self.ETag = ETag
         self.Size = Size
 
 
 class PresignedUrl:
-    def __init__(
-        self,
-        write,  # type: str
-        access,  # type: str
-        type,  # type: str
-        **kwargs
-    ):
+    def __init__(self, write: str, access: str, type: str, **kwargs):
         self.write = write
         self.access = access
         self.type = type  # mime-type to send to S3.
@@ -58,12 +45,7 @@ class HfApi:
     def __init__(self, endpoint=None):
         self.endpoint = endpoint if endpoint is not None else ENDPOINT
 
-    def login(
-        self,
-        username,  # type: str
-        password,  # type: str
-    ):
-        # type: (...) -> str
+    def login(self, username: str, password: str) -> str:
         """
         Call HF API to sign in a user and get a token if credentials are valid.
 
@@ -79,10 +61,7 @@ def login(
         d = r.json()
         return d["token"]
 
-    def whoami(
-        self, token,  # type: str
-    ):
-        # type: (...) -> str
+    def whoami(self, token: str) -> str:
         """
         Call HF API to know "whoami"
         """
@@ -92,28 +71,25 @@ def whoami(
         d = r.json()
         return d["user"]
 
-    def logout(self, token):
-        # type: (...) -> None
+    def logout(self, token: str) -> None:
         """
         Call HF API to log out.
         """
         path = "{}/api/logout".format(self.endpoint)
         r = requests.post(path, headers={"authorization": "Bearer {}".format(token)})
         r.raise_for_status()
 
-    def presign(self, token, filename):
-        # type: (...) -> PresignedUrl
+    def presign(self, token: str, filename) -> PresignedUrl:
         """
         Call HF API to get a presigned url to upload `filename` to S3.
         """
         path = "{}/api/presign".format(self.endpoint)
-        r = requests.post(path, headers={"authorization": "Bearer {}".format(token)}, json={"filename": filename},)
+        r = requests.post(path, headers={"authorization": "Bearer {}".format(token)}, json={"filename": filename})
         r.raise_for_status()
         d = r.json()
         return PresignedUrl(**d)
 
-    def presign_and_upload(self, token, filename, filepath):
-        # type: (...) -> str
+    def presign_and_upload(self, token: str, filename, filepath) -> str:
         """
         Get a presigned url, then upload file to S3.
 
@@ -157,7 +133,7 @@ class TqdmProgressFileReader:
 
     def __init__(self, f: io.BufferedReader):
         self.f = f
-        self.total_size = os.fstat(f.fileno()).st_size  # type: int
+        self.total_size = os.fstat(f.fileno()).st_size
         self.pbar = tqdm(total=self.total_size, leave=False)
         self.read = f.read
         f.read = self._read