Re-organize directory structure (#4971)

See discussion in #2491

Co-authored-by: Ivan Levkivskyi <ilevkivskyi@dropbox.com>

stdlib/lzma.pyi

@@ -0,0 +1,164 @@
+import io
+from _typeshed import AnyPath, ReadableBuffer
+from typing import IO, Any, Mapping, Optional, Sequence, TextIO, TypeVar, Union, overload
+from typing_extensions import Literal
+
+_OpenBinaryWritingMode = Literal["w", "wb", "x", "xb", "a", "ab"]
+_OpenTextWritingMode = Literal["wt", "xt", "at"]
+
+_PathOrFile = Union[AnyPath, IO[bytes]]
+
+_FilterChain = Sequence[Mapping[str, Any]]
+_T = TypeVar("_T")
+
+FORMAT_AUTO: int
+FORMAT_XZ: int
+FORMAT_ALONE: int
+FORMAT_RAW: int
+CHECK_NONE: int
+CHECK_CRC32: int
+CHECK_CRC64: int
+CHECK_SHA256: int
+CHECK_ID_MAX: int
+CHECK_UNKNOWN: int
+FILTER_LZMA1: int
+FILTER_LZMA2: int
+FILTER_DELTA: int
+FILTER_X86: int
+FILTER_IA64: int
+FILTER_ARM: int
+FILTER_ARMTHUMB: int
+FILTER_SPARC: int
+FILTER_POWERPC: int
+MF_HC3: int
+MF_HC4: int
+MF_BT2: int
+MF_BT3: int
+MF_BT4: int
+MODE_FAST: int
+MODE_NORMAL: int
+PRESET_DEFAULT: int
+PRESET_EXTREME: int
+
+# from _lzma.c
+class LZMADecompressor(object):
+    def __init__(
+        self, format: Optional[int] = ..., memlimit: Optional[int] = ..., filters: Optional[_FilterChain] = ...
+    ) -> None: ...
+    def decompress(self, data: bytes, max_length: int = ...) -> bytes: ...
+    @property
+    def check(self) -> int: ...
+    @property
+    def eof(self) -> bool: ...
+    @property
+    def unused_data(self) -> bytes: ...
+    @property
+    def needs_input(self) -> bool: ...
+
+# from _lzma.c
+class LZMACompressor(object):
+    def __init__(
+        self, format: Optional[int] = ..., check: int = ..., preset: Optional[int] = ..., filters: Optional[_FilterChain] = ...
+    ) -> None: ...
+    def compress(self, data: bytes) -> bytes: ...
+    def flush(self) -> bytes: ...
+
+class LZMAError(Exception): ...
+
+class LZMAFile(io.BufferedIOBase, IO[bytes]):
+    def __init__(
+        self,
+        filename: Optional[_PathOrFile] = ...,
+        mode: str = ...,
+        *,
+        format: Optional[int] = ...,
+        check: int = ...,
+        preset: Optional[int] = ...,
+        filters: Optional[_FilterChain] = ...,
+    ) -> None: ...
+    def __enter__(self: _T) -> _T: ...
+    def close(self) -> None: ...
+    @property
+    def closed(self) -> bool: ...
+    def fileno(self) -> int: ...
+    def seekable(self) -> bool: ...
+    def readable(self) -> bool: ...
+    def writable(self) -> bool: ...
+    def peek(self, size: int = ...) -> bytes: ...
+    def read(self, size: Optional[int] = ...) -> bytes: ...
+    def read1(self, size: int = ...) -> bytes: ...
+    def readline(self, size: Optional[int] = ...) -> bytes: ...
+    def write(self, data: ReadableBuffer) -> int: ...
+    def seek(self, offset: int, whence: int = ...) -> int: ...
+    def tell(self) -> int: ...
+
+@overload
+def open(
+    filename: _PathOrFile,
+    mode: Literal["r", "rb"] = ...,
+    *,
+    format: Optional[int] = ...,
+    check: Literal[-1] = ...,
+    preset: None = ...,
+    filters: Optional[_FilterChain] = ...,
+    encoding: None = ...,
+    errors: None = ...,
+    newline: None = ...,
+) -> LZMAFile: ...
+@overload
+def open(
+    filename: _PathOrFile,
+    mode: _OpenBinaryWritingMode,
+    *,
+    format: Optional[int] = ...,
+    check: int = ...,
+    preset: Optional[int] = ...,
+    filters: Optional[_FilterChain] = ...,
+    encoding: None = ...,
+    errors: None = ...,
+    newline: None = ...,
+) -> LZMAFile: ...
+@overload
+def open(
+    filename: AnyPath,
+    mode: Literal["rt"],
+    *,
+    format: Optional[int] = ...,
+    check: Literal[-1] = ...,
+    preset: None = ...,
+    filters: Optional[_FilterChain] = ...,
+    encoding: Optional[str] = ...,
+    errors: Optional[str] = ...,
+    newline: Optional[str] = ...,
+) -> TextIO: ...
+@overload
+def open(
+    filename: AnyPath,
+    mode: _OpenTextWritingMode,
+    *,
+    format: Optional[int] = ...,
+    check: int = ...,
+    preset: Optional[int] = ...,
+    filters: Optional[_FilterChain] = ...,
+    encoding: Optional[str] = ...,
+    errors: Optional[str] = ...,
+    newline: Optional[str] = ...,
+) -> TextIO: ...
+@overload
+def open(
+    filename: _PathOrFile,
+    mode: str,
+    *,
+    format: Optional[int] = ...,
+    check: int = ...,
+    preset: Optional[int] = ...,
+    filters: Optional[_FilterChain] = ...,
+    encoding: Optional[str] = ...,
+    errors: Optional[str] = ...,
+    newline: Optional[str] = ...,
+) -> Union[LZMAFile, TextIO]: ...
+def compress(
+    data: bytes, format: int = ..., check: int = ..., preset: Optional[int] = ..., filters: Optional[_FilterChain] = ...
+) -> bytes: ...
+def decompress(data: bytes, format: int = ..., memlimit: Optional[int] = ..., filters: Optional[_FilterChain] = ...) -> bytes: ...
+def is_check_supported(check: int) -> bool: ...