Mypy now supports sys.platform and sys.version_info checks (#410)

stdlib/3/io.pyi

@@ -52,11 +52,11 @@ class IOBase:
         def readline(self, size: int = ...) -> bytes: ...
         def __del__(self) -> None: ...
     else:
-        def readline(self, limit: int = ...) -> bytes: ...  # type: ignore
+        def readline(self, limit: int = ...) -> bytes: ...
     if sys.version_info >= (3, 2):
         closed = ...  # type: bool
     else:
-        def closed(self) -> bool: ...  # type: ignore
+        def closed(self) -> bool: ...
 
 class RawIOBase(IOBase):
     def readall(self) -> bytes: ...
@@ -65,7 +65,7 @@ class RawIOBase(IOBase):
     if sys.version_info >= (3, 4):
         def read(self, size: int = ...) -> Optional[bytes]: ...
     else:
-        def read(self, n: int = ...) -> Optional[bytes]: ...  # type: ignore
+        def read(self, n: int = ...) -> Optional[bytes]: ...
 
 class BufferedIOBase(IOBase):
     def detach(self) -> RawIOBase: ...
@@ -77,8 +77,8 @@ class BufferedIOBase(IOBase):
         def read(self, size: Optional[int] = ...) -> bytes: ...
         def read1(self, size: int = ...) -> bytes: ...
     else:
-        def read(self, n: Optional[int] = ...) -> bytes: ...  # type: ignore
-        def read1(self, n: int = ...) -> bytes: ...  # type: ignore
+        def read(self, n: Optional[int] = ...) -> bytes: ...
+        def read1(self, n: int = ...) -> bytes: ...
 
 
 class FileIO(RawIOBase):
@@ -91,7 +91,7 @@ class FileIO(RawIOBase):
                          Callable[[Union[int, str], str], int]] = ...) \
                      -> None: ...
     else:
-        def __init__(self, name: Union[str, bytes, int],  # type: ignore
+        def __init__(self, name: Union[str, bytes, int],
                      mode: str = ..., closefd: bool = ...) -> None: ...
 
 # TODO should extend from BufferedIOBase
@@ -124,11 +124,11 @@ class BytesIO(BinaryIO):
         def readline(self, size: int = ...) -> bytes: ...
         def __del__(self) -> None: ...
     else:
-        def readline(self, limit: int = ...): ...  # type: ignore
+        def readline(self, limit: int = ...): ...
     if sys.version_info >= (3, 2):
         closed = ...  # type: bool
     else:
-        def closed(self) -> bool: ...  # type: ignore
+        def closed(self) -> bool: ...
     # copied from BufferedIOBase
     def detach(self) -> RawIOBase: ...
     def readinto(self, b: bytearray) -> int: ...
@@ -139,15 +139,15 @@ class BytesIO(BinaryIO):
         def read(self, size: Optional[int] = ...) -> bytes: ...
         def read1(self, size: int = ...) -> bytes: ...
     else:
-        def read(self, n: Optional[int] = ...) -> bytes: ...  # type: ignore
-        def read1(self, n: int = ...) -> bytes: ...  # type: ignore
+        def read(self, n: Optional[int] = ...) -> bytes: ...
+        def read1(self, n: int = ...) -> bytes: ...
 
 class BufferedReader(BufferedIOBase):
     def __init__(self, raw: RawIOBase, buffer_size: int = ...) -> None: ...
     if sys.version_info >= (3, 4):
         def peek(self, size: int = ...) -> bytes: ...
     else:
-        def peek(self, n: int = ...) -> bytes: ...  # type: ignore
+        def peek(self, n: int = ...) -> bytes: ...
 
 class BufferedWriter(BufferedIOBase):
     def __init__(self, raw: RawIOBase, buffer_size: int = ...) -> None: ...
@@ -179,7 +179,7 @@ class TextIOBase(IOBase):
     elif sys.version_info >= (3, 2):
         def readline(self, limit: int = ...) -> str: ...  # type: ignore
     else:
-        def readline(self) -> str: ...  # type: ignore
+        def readline(self) -> str: ...
     if sys.version_info >= (3, 2):
         def seek(self, offset: int, whence: int = ...) -> int: ...
         def tell(self) -> int: ...
@@ -194,7 +194,7 @@ class TextIOWrapper(TextIO):
     #                 line_buffering: bool = ..., write_through: bool = ...) \
     #                 -> None: ...
     #else:
-    #    def __init__(self, buffer: IO[bytes],  # type: ignore
+    #    def __init__(self, buffer: IO[bytes],
     #                 encoding: str = ..., errors: Optional[str] = ...,
     #                 newline: Optional[str] = ..., line_buffering: bool = ...) \
     #                 -> None: ...
@@ -222,23 +222,23 @@ class TextIOWrapper(TextIO):
     if sys.version_info >= (3, 2):
         closed = ...  # type: bool
     else:
-        def closed(self) -> bool: ...  # type: ignore
+        def closed(self) -> bool: ...
     # copied from TextIOBase
     encoding = ...  # type: str
     errors = ...  # type: Optional[str]
     newlines = ...  # type: Union[str, Tuple[str, ...], None]
-    def __iter__(self) -> Iterator[str]: ...  # type: ignore
-    def __next__(self) -> str: ...  # type: ignore
+    def __iter__(self) -> Iterator[str]: ...
+    def __next__(self) -> str: ...
     def __enter__(self) -> 'TextIO': ...
     def detach(self) -> IOBase: ...
     def write(self, s: str) -> int: ...
     if sys.version_info >= (3, 4):
-        def readline(self, size: int = ...) -> str: ...  # type: ignore
+        def readline(self, size: int = ...) -> str: ...
         def read(self, size: Optional[int] = ...) -> str: ...
     elif sys.version_info >= (3, 2):
-        def readline(self, limit: int = ...) -> str: ...  # type: ignore
+        def readline(self, limit: int = ...) -> str: ...
     else:
-        def readline(self) -> str: ...  # type: ignore
+        def readline(self) -> str: ...
     if sys.version_info >= (3, 2):
         def seek(self, offset: int, whence: int = ...) -> int: ...
         def tell(self) -> int: ...