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# Project website: https://github.com/cztomczak/cefpython

"""Read CEF version fields from the per-platform src/version/cef_version_*.h.

Deliberately side-effect-free (no import of common.py, no filesystem or argv

work at import time) so it can be shared by common.py and by the standalone

build scripts (build.py, build_distrib.py, cmake_prepare_pyx.py) without pulling

in common.py's import-time path detection.

"""

import os

import re

import sys

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

def header_name(platform=None):

"""Per-platform version header filename for the given (or current) platform."""

plat = sys.platform if platform is None else platform

if plat.startswith("win"):

return "cef_version_win.h"

if plat == "darwin":

return "cef_version_macarm64.h"

return "cef_version_linux.h"

def header_path():

"""Absolute path to the current platform's version header."""

return os.path.join(_ROOT, "src", "version", header_name())

def parse_header(header_file):

"""Parse `#define NAME value` / `#define NAME "value"` lines into a dict."""

with open(header_file, "r") as f:

contents = f.read()

return {m.group(1): m.group(2) for m in re.finditer(

r'^#define (\w+) "?([^\s"]+)"?', contents, re.MULTILINE)}

def read():

"""Version dict for the current platform's header."""

return parse_header(header_path())

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