gstreamer/common.py
2018-08-30 17:03:24 +01:00

80 lines
2 KiB
Python

import argparse
import os
import sys
import shutil
import subprocess
import shlex
ROOTDIR = os.path.abspath(os.path.dirname(__file__))
class Colors:
HEADER = '\033[95m'
OKBLUE = '\033[94m'
OKGREEN = '\033[92m'
WARNING = '\033[93m'
FAIL = '\033[91m'
ENDC = '\033[0m'
force_disable = False
@classmethod
def disable(cls):
cls.HEADER = ''
cls.OKBLUE = ''
cls.OKGREEN = ''
cls.WARNING = ''
cls.FAIL = ''
cls.ENDC = ''
@classmethod
def enable(cls):
if cls.force_disable:
return
cls.HEADER = '\033[95m'
cls.OKBLUE = '\033[94m'
cls.OKGREEN = '\033[92m'
cls.WARNING = '\033[93m'
cls.FAIL = '\033[91m'
cls.ENDC = '\033[0m'
def git(*args, repository_path='.'):
return subprocess.check_output(["git"] + list(args), cwd=repository_path,
).decode()
def accept_command(commands):
"""Search @commands and returns the first found absolute path."""
for command in commands:
command = shutil.which(command)
if command:
return command
return None
def get_meson():
meson = os.path.join(ROOTDIR, 'meson', 'meson.py')
if os.path.exists(meson):
return [sys.executable, meson]
mesonintrospect = os.environ.get('MESONINTROSPECT', '')
for comp in shlex.split (mesonintrospect):
# mesonintrospect might look like "/usr/bin/python /somewhere/meson introspect",
# let's not get tricked
if 'python' in os.path.basename (comp):
continue
if os.path.exists(comp):
if comp.endswith('.py'):
return [sys.executable, comp]
else:
return [comp]
meson = accept_command(['meson.py'])
if meson:
return [sys.executable, meson]
meson = accept_command(['meson'])
if meson:
return [meson]
raise RuntimeError('Could not find Meson')