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Merge pull request #8134 from radarhere/type_hint

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Hugo van Kemenade 2024-06-18 11:39:18 -06:00 committed by GitHub
commit 5d3338f13e
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8 changed files with 95 additions and 57 deletions
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2
src/PIL/BdfFontFile.py
View File

@ -103,7 +103,7 @@ def bdf_char(
class BdfFontFile(FontFile.FontFile):
"""Font file plugin for the X11 BDF format."""
def __init__(self, fp: BinaryIO):
def __init__(self, fp: BinaryIO) -> None:
super().__init__()
s = fp.readline()

20
src/PIL/ImageDraw.py
View File

@ -34,12 +34,16 @@ from __future__ import annotations
import math
import numbers
import struct
from types import ModuleType
from typing import TYPE_CHECKING, AnyStr, Sequence, cast
from . import Image, ImageColor
from ._deprecate import deprecate
from ._typing import Coords
if TYPE_CHECKING:
from . import ImageDraw2, ImageFont
"""
A simple 2D drawing interface for PIL images.
<p>
@ -93,9 +97,6 @@ class ImageDraw:
self.fontmode = "L" # aliasing is okay for other modes
self.fill = False
if TYPE_CHECKING:
from . import ImageFont
def getfont(
self,
) -> ImageFont.ImageFont | ImageFont.FreeTypeFont | ImageFont.TransposedFont:
@ -879,7 +880,7 @@ class ImageDraw:
return bbox
def Draw(im, mode: str | None = None) -> ImageDraw:
def Draw(im: Image.Image, mode: str | None = None) -> ImageDraw:
"""
A simple 2D drawing interface for PIL images.
@ -891,7 +892,7 @@ def Draw(im, mode: str | None = None) -> ImageDraw:
defaults to the mode of the image.
"""
try:
return im.getdraw(mode)
return getattr(im, "getdraw")(mode)
except AttributeError:
return ImageDraw(im, mode)
@ -903,7 +904,9 @@ except AttributeError:
Outline = None
def getdraw(im=None, hints=None):
def getdraw(
im: Image.Image | None = None, hints: list[str] | None = None
) -> tuple[ImageDraw2.Draw | None, ModuleType]:
"""
:param im: The image to draw in.
:param hints: An optional list of hints. Deprecated.
@ -913,9 +916,8 @@ def getdraw(im=None, hints=None):
deprecate("'hints' parameter", 12)
from . import ImageDraw2
if im:
im = ImageDraw2.Draw(im)
return im, ImageDraw2
draw = ImageDraw2.Draw(im) if im is not None else None
return draw, ImageDraw2
def floodfill(

12
src/PIL/ImagePalette.py
View File

@ -54,7 +54,7 @@ class ImagePalette:
self._palette = palette
@property
def colors(self):
def colors(self) -> dict[tuple[int, int, int] | tuple[int, int, int, int], int]:
if self._colors is None:
mode_len = len(self.mode)
self._colors = {}
@ -66,7 +66,9 @@ class ImagePalette:
return self._colors
@colors.setter
def colors(self, colors):
def colors(
self, colors: dict[tuple[int, int, int] | tuple[int, int, int, int], int]
) -> None:
self._colors = colors
def copy(self) -> ImagePalette:
@ -107,11 +109,13 @@ class ImagePalette:
# Declare tostring as an alias for tobytes
tostring = tobytes
def _new_color_index(self, image=None, e=None):
def _new_color_index(
self, image: Image.Image | None = None, e: Exception | None = None
) -> int:
if not isinstance(self.palette, bytearray):
self._palette = bytearray(self.palette)
index = len(self.palette) // 3
special_colors = ()
special_colors: tuple[int | tuple[int, ...] | None, ...] = ()
if image:
special_colors = (
image.info.get("background"),

4
src/PIL/MicImagePlugin.py
View File

@ -63,7 +63,7 @@ class MicImageFile(TiffImagePlugin.TiffImageFile):
msg = "not an MIC file; no image entries"
raise SyntaxError(msg)
self.frame = None
self.frame = -1
self._n_frames = len(self.images)
self.is_animated = self._n_frames > 1
@ -85,7 +85,7 @@ class MicImageFile(TiffImagePlugin.TiffImageFile):
self.frame = frame
def tell(self):
def tell(self) -> int:
return self.frame
def close(self) -> None:

59
src/PIL/PngImagePlugin.py
View File

@ -39,7 +39,7 @@ import struct
import warnings
import zlib
from enum import IntEnum
from typing import IO, Any
from typing import IO, TYPE_CHECKING, Any, NoReturn
from . import Image, ImageChops, ImageFile, ImagePalette, ImageSequence
from ._binary import i16be as i16
@ -48,6 +48,9 @@ from ._binary import o8
from ._binary import o16be as o16
from ._binary import o32be as o32
if TYPE_CHECKING:
from . import _imaging
logger = logging.getLogger(__name__)
is_cid = re.compile(rb"\w\w\w\w").match
@ -249,6 +252,9 @@ class iTXt(str):
"""
lang: str | bytes | None
tkey: str | bytes | None
@staticmethod
def __new__(cls, text, lang=None, tkey=None):
"""
@ -270,10 +276,10 @@ class PngInfo:
"""
def __init__(self):
self.chunks = []
def __init__(self) -> None:
self.chunks: list[tuple[bytes, bytes, bool]] = []
def add(self, cid, data, after_idat=False):
def add(self, cid: bytes, data: bytes, after_idat: bool = False) -> None:
"""Appends an arbitrary chunk. Use with caution.
:param cid: a byte string, 4 bytes long.
@ -283,12 +289,16 @@ class PngInfo:
"""
chunk = [cid, data]
if after_idat:
chunk.append(True)
self.chunks.append(tuple(chunk))
self.chunks.append((cid, data, after_idat))
def add_itxt(self, key, value, lang="", tkey="", zip=False):
def add_itxt(
self,
key: str | bytes,
value: str | bytes,
lang: str | bytes = "",
tkey: str | bytes = "",
zip: bool = False,
) -> None:
"""Appends an iTXt chunk.
:param key: latin-1 encodable text key name
@ -316,7 +326,9 @@ class PngInfo:
else:
self.add(b"iTXt", key + b"\0\0\0" + lang + b"\0" + tkey + b"\0" + value)
def add_text(self, key, value, zip=False):
def add_text(
self, key: str | bytes, value: str | bytes | iTXt, zip: bool = False
) -> None:
"""Appends a text chunk.
:param key: latin-1 encodable text key name
@ -326,7 +338,13 @@ class PngInfo:
"""
if isinstance(value, iTXt):
return self.add_itxt(key, value, value.lang, value.tkey, zip=zip)
return self.add_itxt(
key,
value,
value.lang if value.lang is not None else b"",
value.tkey if value.tkey is not None else b"",
zip=zip,
)
# The tEXt chunk stores latin-1 text
if not isinstance(value, bytes):
@ -434,7 +452,7 @@ class PngStream(ChunkStream):
raise SyntaxError(msg)
return s
def chunk_IDAT(self, pos, length):
def chunk_IDAT(self, pos: int, length: int) -> NoReturn:
# image data
if "bbox" in self.im_info:
tile = [("zip", self.im_info["bbox"], pos, self.im_rawmode)]
@ -447,7 +465,7 @@ class PngStream(ChunkStream):
msg = "image data found"
raise EOFError(msg)
def chunk_IEND(self, pos, length):
def chunk_IEND(self, pos: int, length: int) -> NoReturn:
msg = "end of PNG image"
raise EOFError(msg)
@ -821,7 +839,10 @@ class PngImageFile(ImageFile.ImageFile):
msg = "no more images in APNG file"
raise EOFError(msg) from e
def _seek(self, frame, rewind=False):
def _seek(self, frame: int, rewind: bool = False) -> None:
assert self.png is not None
self.dispose: _imaging.ImagingCore | None
if frame == 0:
if rewind:
self._fp.seek(self.__rewind)
@ -906,14 +927,14 @@ class PngImageFile(ImageFile.ImageFile):
if self._prev_im is None and self.dispose_op == Disposal.OP_PREVIOUS:
self.dispose_op = Disposal.OP_BACKGROUND
self.dispose = None
if self.dispose_op == Disposal.OP_PREVIOUS:
if self._prev_im:
self.dispose = self._prev_im.copy()
self.dispose = self._crop(self.dispose, self.dispose_extent)
elif self.dispose_op == Disposal.OP_BACKGROUND:
self.dispose = Image.core.fill(self.mode, self.size)
self.dispose = self._crop(self.dispose, self.dispose_extent)
else:
self.dispose = None
def tell(self) -> int:
return self.__frame
@ -1026,7 +1047,7 @@ class PngImageFile(ImageFile.ImageFile):
return None
return self.getexif()._get_merged_dict()
def getexif(self):
def getexif(self) -> Image.Exif:
if "exif" not in self.info:
self.load()
@ -1346,7 +1367,7 @@ def _save(im, fp, filename, chunk=putchunk, save_all=False):
chunk(fp, cid, data)
elif cid[1:2].islower():
# Private chunk
after_idat = info_chunk[2:3]
after_idat = len(info_chunk) == 3 and info_chunk[2]
if not after_idat:
chunk(fp, cid, data)
@ -1425,7 +1446,7 @@ def _save(im, fp, filename, chunk=putchunk, save_all=False):
cid, data = info_chunk[:2]
if cid[1:2].islower():
# Private chunk
after_idat = info_chunk[2:3]
after_idat = len(info_chunk) == 3 and info_chunk[2]
if after_idat:
chunk(fp, cid, data)

31
src/PIL/TiffImagePlugin.py
View File

@ -50,7 +50,7 @@ import warnings
from collections.abc import MutableMapping
from fractions import Fraction
from numbers import Number, Rational
from typing import IO, TYPE_CHECKING, Any, Callable
from typing import IO, TYPE_CHECKING, Any, Callable, NoReturn
from . import ExifTags, Image, ImageFile, ImageOps, ImagePalette, TiffTags
from ._binary import i16be as i16
@ -384,7 +384,7 @@ class IFDRational(Rational):
def __repr__(self) -> str:
return str(float(self._val))
def __hash__(self):
def __hash__(self) -> int:
return self._val.__hash__()
def __eq__(self, other: object) -> bool:
@ -551,7 +551,12 @@ class ImageFileDirectory_v2(_IFDv2Base):
_load_dispatch: dict[int, Callable[[ImageFileDirectory_v2, bytes, bool], Any]] = {}
_write_dispatch: dict[int, Callable[..., Any]] = {}
def __init__(self, ifh=b"II\052\0\0\0\0\0", prefix=None, group=None):
def __init__(
self,
ifh: bytes = b"II\052\0\0\0\0\0",
prefix: bytes | None = None,
group: int | None = None,
) -> None:
"""Initialize an ImageFileDirectory.
To construct an ImageFileDirectory from a real file, pass the 8-byte
@ -575,7 +580,7 @@ class ImageFileDirectory_v2(_IFDv2Base):
raise SyntaxError(msg)
self._bigtiff = ifh[2] == 43
self.group = group
self.tagtype = {}
self.tagtype: dict[int, int] = {}
""" Dictionary of tag types """
self.reset()
(self.next,) = (
@ -587,18 +592,18 @@ class ImageFileDirectory_v2(_IFDv2Base):
offset = property(lambda self: self._offset)
@property
def legacy_api(self):
def legacy_api(self) -> bool:
return self._legacy_api
@legacy_api.setter
def legacy_api(self, value):
def legacy_api(self, value: bool) -> NoReturn:
msg = "Not allowing setting of legacy api"
raise Exception(msg)
def reset(self):
self._tags_v1 = {} # will remain empty if legacy_api is false
self._tags_v2 = {} # main tag storage
self._tagdata = {}
def reset(self) -> None:
self._tags_v1: dict[int, Any] = {} # will remain empty if legacy_api is false
self._tags_v2: dict[int, Any] = {} # main tag storage
self._tagdata: dict[int, bytes] = {}
self.tagtype = {} # added 2008-06-05 by Florian Hoech
self._next = None
self._offset = None
@ -2039,7 +2044,7 @@ class AppendingTiffWriter:
num_tags = self.readShort()
self.f.seek(num_tags * 12, os.SEEK_CUR)
def write(self, data):
def write(self, data: bytes) -> int | None:
return self.f.write(data)
def readShort(self) -> int:
@ -2122,7 +2127,9 @@ class AppendingTiffWriter:
# skip the locally stored value that is not an offset
self.f.seek(4, os.SEEK_CUR)
def fixOffsets(self, count, isShort=False, isLong=False):
def fixOffsets(
self, count: int, isShort: bool = False, isLong: bool = False
) -> None:
if not isShort and not isLong:
msg = "offset is neither short nor long"
raise RuntimeError(msg)

2
src/PIL/_imaging.pyi
View File

@ -12,5 +12,5 @@ class ImagingDraw:
class PixelAccess:
def __getattr__(self, name: str) -> Any: ...
def font(image, glyphdata: bytes) -> ImagingFont: ...
def font(image: ImagingCore, glyphdata: bytes) -> ImagingFont: ...
def __getattr__(name: str) -> Any: ...

18
src/PIL/features.py
View File

@ -4,6 +4,7 @@ import collections
import os
import sys
import warnings
from typing import IO
import PIL
@ -223,7 +224,7 @@ def get_supported() -> list[str]:
return ret
def pilinfo(out=None, supported_formats=True):
def pilinfo(out: IO[str] | None = None, supported_formats: bool = True) -> None:
"""
Prints information about this installation of Pillow.
This function can be called with ``python3 -m PIL``.
@ -244,9 +245,9 @@ def pilinfo(out=None, supported_formats=True):
print("-" * 68, file=out)
print(f"Pillow {PIL.__version__}", file=out)
py_version = sys.version.splitlines()
print(f"Python {py_version[0].strip()}", file=out)
for py_version in py_version[1:]:
py_version_lines = sys.version.splitlines()
print(f"Python {py_version_lines[0].strip()}", file=out)
for py_version in py_version_lines[1:]:
print(f" {py_version.strip()}", file=out)
print("-" * 68, file=out)
print(f"Python executable is {sys.executable or 'unknown'}", file=out)
@ -282,9 +283,12 @@ def pilinfo(out=None, supported_formats=True):
("xcb", "XCB (X protocol)"),
]:
if check(name):
if name == "jpg" and check_feature("libjpeg_turbo"):
v = "libjpeg-turbo " + version_feature("libjpeg_turbo")
else:
v: str | None = None
if name == "jpg":
libjpeg_turbo_version = version_feature("libjpeg_turbo")
if libjpeg_turbo_version is not None:
v = "libjpeg-turbo " + libjpeg_turbo_version
if v is None:
v = version(name)
if v is not None:
version_static = name in ("pil", "jpg")