two version of R2R are here HEAD master

1 files changed, 357 insertions, 0 deletions

diff --git a/.venv/lib/python3.12/site-packages/PIL/features.py b/.venv/lib/python3.12/site-packages/PIL/features.py
new file mode 100644
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+++ b/.venv/lib/python3.12/site-packages/PIL/features.py
@@ -0,0 +1,357 @@
+from __future__ import annotations
+
+import collections
+import os
+import sys
+import warnings
+from typing import IO
+
+import PIL
+
+from . import Image
+from ._deprecate import deprecate
+
+modules = {
+    "pil": ("PIL._imaging", "PILLOW_VERSION"),
+    "tkinter": ("PIL._tkinter_finder", "tk_version"),
+    "freetype2": ("PIL._imagingft", "freetype2_version"),
+    "littlecms2": ("PIL._imagingcms", "littlecms_version"),
+    "webp": ("PIL._webp", "webpdecoder_version"),
+}
+
+
+def check_module(feature: str) -> bool:
+    """
+    Checks if a module is available.
+
+    :param feature: The module to check for.
+    :returns: ``True`` if available, ``False`` otherwise.
+    :raises ValueError: If the module is not defined in this version of Pillow.
+    """
+    if feature not in modules:
+        msg = f"Unknown module {feature}"
+        raise ValueError(msg)
+
+    module, ver = modules[feature]
+
+    try:
+        __import__(module)
+        return True
+    except ModuleNotFoundError:
+        return False
+    except ImportError as ex:
+        warnings.warn(str(ex))
+        return False
+
+
+def version_module(feature: str) -> str | None:
+    """
+    :param feature: The module to check for.
+    :returns:
+        The loaded version number as a string, or ``None`` if unknown or not available.
+    :raises ValueError: If the module is not defined in this version of Pillow.
+    """
+    if not check_module(feature):
+        return None
+
+    module, ver = modules[feature]
+
+    return getattr(__import__(module, fromlist=[ver]), ver)
+
+
+def get_supported_modules() -> list[str]:
+    """
+    :returns: A list of all supported modules.
+    """
+    return [f for f in modules if check_module(f)]
+
+
+codecs = {
+    "jpg": ("jpeg", "jpeglib"),
+    "jpg_2000": ("jpeg2k", "jp2klib"),
+    "zlib": ("zip", "zlib"),
+    "libtiff": ("libtiff", "libtiff"),
+}
+
+
+def check_codec(feature: str) -> bool:
+    """
+    Checks if a codec is available.
+
+    :param feature: The codec to check for.
+    :returns: ``True`` if available, ``False`` otherwise.
+    :raises ValueError: If the codec is not defined in this version of Pillow.
+    """
+    if feature not in codecs:
+        msg = f"Unknown codec {feature}"
+        raise ValueError(msg)
+
+    codec, lib = codecs[feature]
+
+    return f"{codec}_encoder" in dir(Image.core)
+
+
+def version_codec(feature: str) -> str | None:
+    """
+    :param feature: The codec to check for.
+    :returns:
+        The version number as a string, or ``None`` if not available.
+        Checked at compile time for ``jpg``, run-time otherwise.
+    :raises ValueError: If the codec is not defined in this version of Pillow.
+    """
+    if not check_codec(feature):
+        return None
+
+    codec, lib = codecs[feature]
+
+    version = getattr(Image.core, f"{lib}_version")
+
+    if feature == "libtiff":
+        return version.split("\n")[0].split("Version ")[1]
+
+    return version
+
+
+def get_supported_codecs() -> list[str]:
+    """
+    :returns: A list of all supported codecs.
+    """
+    return [f for f in codecs if check_codec(f)]
+
+
+features: dict[str, tuple[str, str | bool, str | None]] = {
+    "webp_anim": ("PIL._webp", True, None),
+    "webp_mux": ("PIL._webp", True, None),
+    "transp_webp": ("PIL._webp", True, None),
+    "raqm": ("PIL._imagingft", "HAVE_RAQM", "raqm_version"),
+    "fribidi": ("PIL._imagingft", "HAVE_FRIBIDI", "fribidi_version"),
+    "harfbuzz": ("PIL._imagingft", "HAVE_HARFBUZZ", "harfbuzz_version"),
+    "libjpeg_turbo": ("PIL._imaging", "HAVE_LIBJPEGTURBO", "libjpeg_turbo_version"),
+    "zlib_ng": ("PIL._imaging", "HAVE_ZLIBNG", "zlib_ng_version"),
+    "libimagequant": ("PIL._imaging", "HAVE_LIBIMAGEQUANT", "imagequant_version"),
+    "xcb": ("PIL._imaging", "HAVE_XCB", None),
+}
+
+
+def check_feature(feature: str) -> bool | None:
+    """
+    Checks if a feature is available.
+
+    :param feature: The feature to check for.
+    :returns: ``True`` if available, ``False`` if unavailable, ``None`` if unknown.
+    :raises ValueError: If the feature is not defined in this version of Pillow.
+    """
+    if feature not in features:
+        msg = f"Unknown feature {feature}"
+        raise ValueError(msg)
+
+    module, flag, ver = features[feature]
+
+    if isinstance(flag, bool):
+        deprecate(f'check_feature("{feature}")', 12)
+    try:
+        imported_module = __import__(module, fromlist=["PIL"])
+        if isinstance(flag, bool):
+            return flag
+        return getattr(imported_module, flag)
+    except ModuleNotFoundError:
+        return None
+    except ImportError as ex:
+        warnings.warn(str(ex))
+        return None
+
+
+def version_feature(feature: str) -> str | None:
+    """
+    :param feature: The feature to check for.
+    :returns: The version number as a string, or ``None`` if not available.
+    :raises ValueError: If the feature is not defined in this version of Pillow.
+    """
+    if not check_feature(feature):
+        return None
+
+    module, flag, ver = features[feature]
+
+    if ver is None:
+        return None
+
+    return getattr(__import__(module, fromlist=[ver]), ver)
+
+
+def get_supported_features() -> list[str]:
+    """
+    :returns: A list of all supported features.
+    """
+    supported_features = []
+    for f, (module, flag, _) in features.items():
+        if flag is True:
+            for feature, (feature_module, _) in modules.items():
+                if feature_module == module:
+                    if check_module(feature):
+                        supported_features.append(f)
+                    break
+        elif check_feature(f):
+            supported_features.append(f)
+    return supported_features
+
+
+def check(feature: str) -> bool | None:
+    """
+    :param feature: A module, codec, or feature name.
+    :returns:
+        ``True`` if the module, codec, or feature is available,
+        ``False`` or ``None`` otherwise.
+    """
+
+    if feature in modules:
+        return check_module(feature)
+    if feature in codecs:
+        return check_codec(feature)
+    if feature in features:
+        return check_feature(feature)
+    warnings.warn(f"Unknown feature '{feature}'.", stacklevel=2)
+    return False
+
+
+def version(feature: str) -> str | None:
+    """
+    :param feature:
+        The module, codec, or feature to check for.
+    :returns:
+        The version number as a string, or ``None`` if unknown or not available.
+    """
+    if feature in modules:
+        return version_module(feature)
+    if feature in codecs:
+        return version_codec(feature)
+    if feature in features:
+        return version_feature(feature)
+    return None
+
+
+def get_supported() -> list[str]:
+    """
+    :returns: A list of all supported modules, features, and codecs.
+    """
+
+    ret = get_supported_modules()
+    ret.extend(get_supported_features())
+    ret.extend(get_supported_codecs())
+    return ret
+
+
+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``.
+    It can also be called with ``python3 -m PIL.report`` or ``python3 -m PIL --report``
+    to have "supported_formats" set to ``False``, omitting the list of all supported
+    image file formats.
+
+    :param out:
+        The output stream to print to. Defaults to ``sys.stdout`` if ``None``.
+    :param supported_formats:
+        If ``True``, a list of all supported image file formats will be printed.
+    """
+
+    if out is None:
+        out = sys.stdout
+
+    Image.init()
+
+    print("-" * 68, file=out)
+    print(f"Pillow {PIL.__version__}", file=out)
+    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)
+    if sys.prefix != sys.base_prefix:
+        print(f"Environment Python files loaded from {sys.prefix}", file=out)
+    print(f"System Python files loaded from {sys.base_prefix}", file=out)
+    print("-" * 68, file=out)
+    print(
+        f"Python Pillow modules loaded from {os.path.dirname(Image.__file__)}",
+        file=out,
+    )
+    print(
+        f"Binary Pillow modules loaded from {os.path.dirname(Image.core.__file__)}",
+        file=out,
+    )
+    print("-" * 68, file=out)
+
+    for name, feature in [
+        ("pil", "PIL CORE"),
+        ("tkinter", "TKINTER"),
+        ("freetype2", "FREETYPE2"),
+        ("littlecms2", "LITTLECMS2"),
+        ("webp", "WEBP"),
+        ("jpg", "JPEG"),
+        ("jpg_2000", "OPENJPEG (JPEG2000)"),
+        ("zlib", "ZLIB (PNG/ZIP)"),
+        ("libtiff", "LIBTIFF"),
+        ("raqm", "RAQM (Bidirectional Text)"),
+        ("libimagequant", "LIBIMAGEQUANT (Quantization method)"),
+        ("xcb", "XCB (X protocol)"),
+    ]:
+        if check(name):
+            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")
+                if name == "littlecms2":
+                    # this check is also in src/_imagingcms.c:setup_module()
+                    version_static = tuple(int(x) for x in v.split(".")) < (2, 7)
+                t = "compiled for" if version_static else "loaded"
+                if name == "zlib":
+                    zlib_ng_version = version_feature("zlib_ng")
+                    if zlib_ng_version is not None:
+                        v += ", compiled for zlib-ng " + zlib_ng_version
+                elif name == "raqm":
+                    for f in ("fribidi", "harfbuzz"):
+                        v2 = version_feature(f)
+                        if v2 is not None:
+                            v += f", {f} {v2}"
+                print("---", feature, "support ok,", t, v, file=out)
+            else:
+                print("---", feature, "support ok", file=out)
+        else:
+            print("***", feature, "support not installed", file=out)
+    print("-" * 68, file=out)
+
+    if supported_formats:
+        extensions = collections.defaultdict(list)
+        for ext, i in Image.EXTENSION.items():
+            extensions[i].append(ext)
+
+        for i in sorted(Image.ID):
+            line = f"{i}"
+            if i in Image.MIME:
+                line = f"{line} {Image.MIME[i]}"
+            print(line, file=out)
+
+            if i in extensions:
+                print(
+                    "Extensions: {}".format(", ".join(sorted(extensions[i]))), file=out
+                )
+
+            features = []
+            if i in Image.OPEN:
+                features.append("open")
+            if i in Image.SAVE:
+                features.append("save")
+            if i in Image.SAVE_ALL:
+                features.append("save_all")
+            if i in Image.DECODERS:
+                features.append("decode")
+            if i in Image.ENCODERS:
+                features.append("encode")
+
+            print("Features: {}".format(", ".join(features)), file=out)
+            print("-" * 68, file=out)