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__init__.py

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import ctypes

import importlib

import os

import platform

import sys

__all__ = ["cefpython"]

__author__ = "The CEF Python authors"

try:

from importlib.metadata import version as _pkg_version

__version__ = _pkg_version("cefpython3")

except Exception:

__version__ = "unknown"

package_dir = os.path.dirname(os.path.abspath(__file__))

# Let subprocess and the C extension find CEF DLLs / .so files next to this

# __init__.py regardless of the working directory.

os.environ["CEFPYTHON3_PATH"] = package_dir

if platform.system() == "Linux":

# Force GDK to use X11/XWayland backend before libcef.so loads and

# initialises GDK. Without this, GDK picks the Wayland backend on

# GNOME/Wayland sessions, making gdk_x11_window_get_xid() return 0.

os.environ.setdefault("GDK_BACKEND", "x11")

_ld = os.environ.get("LD_LIBRARY_PATH", "")

os.environ["LD_LIBRARY_PATH"] = (

package_dir + os.pathsep + _ld if _ld else package_dir

)

ctypes.CDLL(os.path.join(package_dir, "libcef.so"), ctypes.RTLD_GLOBAL)

_pyver = "{0}{1}".format(*sys.version_info[:2])

cefpython = importlib.import_module(".cefpython_py{}".format(_pyver), package=__name__)