mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-11-22 17:51:16 +00:00
d422c2b791
Try even harder to not hit the maximum length limit for env var values on Windows. Reduces the size by ~1000 characters on my machine.
124 lines
3.5 KiB
Python
124 lines
3.5 KiB
Python
import os
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import sys
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import shlex
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import shutil
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import argparse
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import platform
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import subprocess
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ROOTDIR = os.path.abspath(os.path.dirname(__file__))
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if os.name is 'nt':
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import ctypes
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from ctypes import wintypes
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_GetShortPathNameW = ctypes.windll.kernel32.GetShortPathNameW
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_GetShortPathNameW.argtypes = [wintypes.LPCWSTR, wintypes.LPWSTR, wintypes.DWORD]
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_GetShortPathNameW.restype = wintypes.DWORD
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def win32_get_short_path_name(long_name):
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"""
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Gets the short path name of a given long path.
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http://stackoverflow.com/a/23598461/200291
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"""
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output_buf_size = 0
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while True:
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output_buf = ctypes.create_unicode_buffer(output_buf_size)
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needed = _GetShortPathNameW(long_name, output_buf, output_buf_size)
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if output_buf_size >= needed:
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return output_buf.value
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else:
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output_buf_size = needed
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class Colors:
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HEADER = '\033[95m'
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OKBLUE = '\033[94m'
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OKGREEN = '\033[92m'
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WARNING = '\033[93m'
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FAIL = '\033[91m'
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ENDC = '\033[0m'
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force_disable = False
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def _windows_ansi():
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from ctypes import windll, byref
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from ctypes.wintypes import DWORD
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kernel = windll.kernel32
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stdout = kernel.GetStdHandle(-11)
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mode = DWORD()
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if not kernel.GetConsoleMode(stdout, byref(mode)):
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return False
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# Try setting ENABLE_VIRTUAL_TERMINAL_PROCESSING (0x4)
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# If that fails (returns 0), we disable colors
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return kernel.SetConsoleMode(stdout, mode.value | 0x4) or os.environ.get('ANSICON')
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@classmethod
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def can_enable(cls):
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if not os.isatty(sys.stdout.fileno()):
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return False
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if platform.system().lower() == 'windows':
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return cls._windows_ansi()
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return os.environ.get('TERM') != 'dumb'
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@classmethod
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def disable(cls):
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cls.HEADER = ''
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cls.OKBLUE = ''
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cls.OKGREEN = ''
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cls.WARNING = ''
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cls.FAIL = ''
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cls.ENDC = ''
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@classmethod
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def enable(cls):
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if cls.force_disable:
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return
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cls.HEADER = '\033[95m'
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cls.OKBLUE = '\033[94m'
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cls.OKGREEN = '\033[92m'
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cls.WARNING = '\033[93m'
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cls.FAIL = '\033[91m'
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cls.ENDC = '\033[0m'
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def git(*args, repository_path='.'):
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return subprocess.check_output(["git"] + list(args), cwd=repository_path,
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stdin=subprocess.DEVNULL,
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stderr=subprocess.STDOUT).decode()
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def accept_command(commands):
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"""Search @commands and returns the first found absolute path."""
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for command in commands:
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command = shutil.which(command)
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if command:
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return command
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return None
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def get_meson():
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meson = os.path.join(ROOTDIR, 'meson', 'meson.py')
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if os.path.exists(meson):
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return [sys.executable, meson]
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mesonintrospect = os.environ.get('MESONINTROSPECT', '')
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for comp in shlex.split (mesonintrospect):
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# mesonintrospect might look like "/usr/bin/python /somewhere/meson introspect",
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# let's not get tricked
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if 'python' in os.path.basename (comp):
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continue
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if os.path.exists(comp):
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if comp.endswith('.py'):
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return [sys.executable, comp]
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else:
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return [comp]
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meson = accept_command(['meson.py'])
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if meson:
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return [sys.executable, meson]
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meson = accept_command(['meson'])
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if meson:
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return [meson]
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raise RuntimeError('Could not find Meson')
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