Correctly denote positional-only arguments in stubs

Author: rhpvorderman

CHANGELOG.rst

@@ -22,6 +22,8 @@ that PyPy is no longer supported.
   for decompressing gzip files. PyPy should not be used for workloads that
   require heavy zlib-compatible compression/decompression. As such it was
   deemed unnecessary to continue supporting PyPy.
++ Stub files with type information have now been updated to correctly display
+  positional-only arguments.
 + A ``--no-name`` flag has been added to ``python -m isal.igzip``.
 + Cython is no longer required as a build dependency.
 + a fast function calling method ``METH_FASTCALL`` is now used to call the

src/isal/igzip_lib.pyi

@@ -33,11 +33,13 @@ MEM_LEVEL_LARGE: int
 MEM_LEVEL_EXTRA_LARGE: int
 IsalError: Exception
 
-def compress(data, level: int = ISAL_DEFAULT_COMPRESSION,
+def compress(__data,
+             level: int = ISAL_DEFAULT_COMPRESSION,
              flag: int = COMP_DEFLATE,
              mem_level: int = MEM_LEVEL_DEFAULT,
              hist_bits: int = MAX_HIST_BITS) -> bytes: ...
-def decompress(data, flag: int = DECOMP_DEFLATE,
+def decompress(__data,
+               flag: int = DECOMP_DEFLATE,
                hist_bits: int = MAX_HIST_BITS,
                bufsize: int = DEF_BUF_SIZE) -> bytes: ...
 
@@ -52,4 +54,4 @@ class IgzipDecompressor:
                  hist_bits: int = MAX_HIST_BITS,
                  zdict = None) -> None: ...
 
-    def decompress(self, data, max_length = -1) -> bytes: ...
+    def decompress(self, __data, max_length = -1) -> bytes: ...

src/isal/isal_zlib.pyi

@@ -31,24 +31,26 @@ Z_FINISH: int
 
 error: Exception
 
-def adler32(data, value: int = 1) -> int: ...
-def crc32(data, value: int = 0) -> int: ...
+def adler32(__data, __value: int = 1) -> int: ...
+def crc32(__data, __value: int = 0) -> int: ...
 
-def compress(data, level: int = ISAL_DEFAULT_COMPRESSION,
+def compress(__data,
+             level: int = ISAL_DEFAULT_COMPRESSION,
              wbits: int = MAX_WBITS) -> bytes: ...
-def decompress(data, wbits: int = MAX_WBITS,
+def decompress(__data,
+               wbits: int = MAX_WBITS,
                bufsize: int = DEF_BUF_SIZE) -> bytes: ...
 
 class Compress:
-    def compress(self, data) -> bytes: ...
+    def compress(self, __data) -> bytes: ...
     def flush(self, mode: int = Z_FINISH) -> bytes: ...
 
 class Decompress:
     unused_data: bytes
     unconsumed_tail: bytes
     eof: bool
 
-    def decompress(self, data, max_length: int = 0) -> bytes: ...
+    def decompress(self, __data, max_length: int = 0) -> bytes: ...
     def flush(self, length: int = DEF_BUF_SIZE) -> bytes: ...
 
 def compressobj(level: int = ISAL_DEFAULT_COMPRESSION,