mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-06-23 00:10:40 +00:00
c938c75916
This is still incredibly ugly, but at least now mesonconfig gets found, unlike before where the path where it was looked for was the path of the sitecustomize symlink, not of its target (https://bugs.python.org/issue6386)
250 lines
10 KiB
Python
Executable file
250 lines
10 KiB
Python
Executable file
#!/usr/bin/env python3
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import argparse
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import json
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import os
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import platform
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import re
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import site
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import shutil
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import subprocess
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import sys
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import tempfile
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from distutils.sysconfig import get_python_lib
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from common import get_meson
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SCRIPTDIR = os.path.dirname(os.path.realpath(__file__))
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PREFIX_DIR = os.path.join(SCRIPTDIR, 'prefix')
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def prepend_env_var(env, var, value):
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env[var] = os.pathsep + value + os.pathsep + env.get(var, "")
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env[var] = env[var].replace(os.pathsep + os.pathsep, os.pathsep).strip(os.pathsep)
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def get_subprocess_env(options):
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env = os.environ.copy()
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env["CURRENT_GST"] = os.path.normpath(SCRIPTDIR)
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env["GST_VALIDATE_SCENARIOS_PATH"] = os.path.normpath(
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"%s/subprojects/gst-devtools/validate/data/scenarios" % SCRIPTDIR)
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env["GST_VALIDATE_PLUGIN_PATH"] = os.path.normpath(
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"%s/subprojects/gst-devtools/validate/plugins" % options.builddir)
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env["GST_VALIDATE_APPS_DIR"] = os.path.normpath(
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"%s/subprojects/gst-editing-services/tests/validate" % SCRIPTDIR)
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prepend_env_var(env, "PATH", os.path.normpath(
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"%s/subprojects/gst-devtools/validate/tools" % options.builddir))
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prepend_env_var(env, "PATH", os.path.join(SCRIPTDIR, 'meson'))
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env["GST_VERSION"] = options.gst_version
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env["GST_ENV"] = 'gst-' + options.gst_version
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env["GST_PLUGIN_SYSTEM_PATH"] = ""
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env["GST_PLUGIN_SCANNER"] = os.path.normpath(
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"%s/subprojects/gstreamer/libs/gst/helpers/gst-plugin-scanner" % options.builddir)
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env["GST_PTP_HELPER"] = os.path.normpath(
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"%s/subprojects/gstreamer/libs/gst/helpers/gst-ptp-helper" % options.builddir)
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env["GST_REGISTRY"] = os.path.normpath(options.builddir + "/registry.dat")
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sharedlib_reg = re.compile(r'\.so|\.dylib|\.dll')
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typelib_reg = re.compile(r'.*\.typelib$')
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pluginpath_reg = re.compile(r'lib.*' + re.escape(os.path.normpath('/gstreamer-1.0/')))
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if os.name is 'nt':
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lib_path_envvar = 'PATH'
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elif platform.system() == 'Darwin':
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lib_path_envvar = 'DYLD_LIBRARY_PATH'
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else:
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lib_path_envvar = 'LD_LIBRARY_PATH'
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prepend_env_var(env, "GST_PLUGIN_PATH", os.path.join(SCRIPTDIR, 'subprojects',
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'gst-python', 'plugin'))
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prepend_env_var(env, "GST_PLUGIN_PATH", os.path.join(PREFIX_DIR, 'lib',
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'gstreamer-1.0'))
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prepend_env_var(env, "PATH", os.path.join(PREFIX_DIR, 'bin'))
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prepend_env_var(env, lib_path_envvar, os.path.join(PREFIX_DIR, 'lib'))
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prepend_env_var(env, "GST_VALIDATE_SCENARIOS_PATH", os.path.join(
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PREFIX_DIR, 'share', 'gstreamer-1.0', 'validate', 'scenarios'))
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prepend_env_var(env, "GI_TYPELIB_PATH", os.path.join(PREFIX_DIR, 'lib',
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'lib', 'girepository-1.0'))
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meson = get_meson()
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targets_s = subprocess.check_output([sys.executable, meson, 'introspect', options.builddir, '--targets'])
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targets = json.loads(targets_s.decode())
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paths = set()
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mono_paths = set()
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for target in targets:
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filename = target['filename']
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root = os.path.dirname(filename)
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if filename.endswith('.dll'):
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mono_paths.add(os.path.join(options.builddir, root))
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if typelib_reg.search(filename):
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prepend_env_var(env, "GI_TYPELIB_PATH",
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os.path.join(options.builddir, root))
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elif sharedlib_reg.search(filename):
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if target.get('type') != "shared library":
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continue
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if target.get('installed') and pluginpath_reg.search(os.path.normpath(target.get('install_filename'))):
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prepend_env_var(env, "GST_PLUGIN_PATH", os.path.join(options.builddir, root))
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continue
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prepend_env_var(env, lib_path_envvar,
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os.path.join(options.builddir, root))
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elif target.get('type') == 'executable' and target.get('installed'):
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paths.add(os.path.join(options.builddir, root))
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for p in paths:
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prepend_env_var(env, 'PATH', p)
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if os.name != 'nt':
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for p in mono_paths:
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prepend_env_var(env, "MONO_PATH", p)
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presets = set()
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encoding_targets = set()
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pkg_dirs = set()
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if '--installed' in subprocess.check_output([sys.executable, meson, 'introspect', '-h']).decode():
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installed_s = subprocess.check_output([sys.executable, meson, 'introspect',
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options.builddir, '--installed'])
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for path, installpath in json.loads(installed_s.decode()).items():
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if path.endswith('.prs'):
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presets.add(os.path.dirname(path))
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elif path.endswith('.gep'):
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encoding_targets.add(
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os.path.abspath(os.path.join(os.path.dirname(path), '..')))
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elif path.endswith('.pc'):
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# Is there a -uninstalled pc file for this file?
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uninstalled = "{0}-uninstalled.pc".format(path[:-3])
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if os.path.exists(uninstalled):
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pkg_dirs.add(os.path.dirname(path))
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for p in presets:
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prepend_env_var(env, 'GST_PRESET_PATH', p)
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for t in encoding_targets:
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prepend_env_var(env, 'GST_ENCODING_TARGET_PATH', t)
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for pkg_dir in pkg_dirs:
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prepend_env_var(env, "PKG_CONFIG_PATH", pkg_dir)
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prepend_env_var(env, "PKG_CONFIG_PATH", os.path.join(options.builddir,
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'subprojects',
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'gst-plugins-good',
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'pkgconfig'))
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mesonpath = os.path.join(SCRIPTDIR, "meson")
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if os.path.join(mesonpath):
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# Add meson/ into PYTHONPATH if we are using a local meson
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prepend_env_var(env, 'PYTHONPATH', mesonpath)
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return env
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# https://stackoverflow.com/questions/1871549/determine-if-python-is-running-inside-virtualenv
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def in_venv():
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return (hasattr(sys, 'real_prefix') or
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(hasattr(sys, 'base_prefix') and sys.base_prefix != sys.prefix))
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def python_env(options, unset_env=False):
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"""
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Setup our overrides_hack.py as sitecustomize.py script in user
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site-packages if unset_env=False, else unset, previously set
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env.
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"""
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subprojects_path = os.path.join(options.builddir, "subprojects")
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gst_python_path = os.path.join(SCRIPTDIR, "subprojects", "gst-python")
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if not os.path.exists(os.path.join(subprojects_path, "gst-python")) or \
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not os.path.exists(gst_python_path):
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return False
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if in_venv ():
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sitepackages = get_python_lib()
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else:
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sitepackages = site.getusersitepackages()
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if not sitepackages:
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return False
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sitecustomize = os.path.join(sitepackages, "sitecustomize.py")
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overrides_hack = os.path.join(gst_python_path, "testsuite", "overrides_hack.py")
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mesonconfig = os.path.join(gst_python_path, "testsuite", "mesonconfig.py")
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mesonconfig_link = os.path.join(sitepackages, "mesonconfig.py")
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if not unset_env:
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if os.path.exists(sitecustomize):
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if os.path.realpath(sitecustomize) == overrides_hack:
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print("Customize user site script already linked to the GStreamer one")
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return False
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old_sitecustomize = os.path.join(sitepackages,
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"old.sitecustomize.gstuninstalled.py")
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shutil.move(sitecustomize, old_sitecustomize)
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elif not os.path.exists(sitepackages):
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os.makedirs(sitepackages)
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os.symlink(overrides_hack, sitecustomize)
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os.symlink(mesonconfig, mesonconfig_link)
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return os.path.realpath(sitecustomize) == overrides_hack
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else:
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if not os.path.realpath(sitecustomize) == overrides_hack:
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return False
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os.remove(sitecustomize)
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os.remove (mesonconfig_link)
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old_sitecustomize = os.path.join(sitepackages,
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"old.sitecustomize.gstuninstalled.py")
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if os.path.exists(old_sitecustomize):
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shutil.move(old_sitecustomize, sitecustomize)
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return True
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if __name__ == "__main__":
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parser = argparse.ArgumentParser(prog="gstreamer-uninstalled")
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parser.add_argument("--builddir",
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default=os.path.join(SCRIPTDIR, "build"),
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help="The meson build directory")
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parser.add_argument("--srcdir",
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default=SCRIPTDIR,
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help="The top level source directory")
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parser.add_argument("--gst-version", default="master",
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help="The GStreamer major version")
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options, args = parser.parse_known_args()
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if not os.path.exists(options.builddir):
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print("GStreamer not built in %s\n\nBuild it and try again" %
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options.builddir)
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exit(1)
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if not os.path.exists(options.srcdir):
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print("The specified source dir does not exist" %
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options.srcdir)
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exit(1)
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if not args:
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if os.name is 'nt':
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args = [os.environ.get("COMSPEC", r"C:\WINDOWS\system32\cmd.exe")]
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else:
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args = [os.environ.get("SHELL", os.path.realpath("/bin/sh"))]
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if "bash" in args[0]:
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bashrc = os.path.expanduser('~/.bashrc')
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if os.path.exists(bashrc):
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tmprc = tempfile.NamedTemporaryFile(mode='w')
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with open(bashrc, 'r') as src:
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shutil.copyfileobj(src, tmprc)
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tmprc.write('\nexport PS1="[gst-%s] $PS1"' % options.gst_version)
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tmprc.flush()
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# Let the GC remove the tmp file
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args.append("--rcfile")
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args.append(tmprc.name)
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python_set = python_env(options)
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try:
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exit(subprocess.call(args, cwd=options.srcdir, close_fds=False,
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env=get_subprocess_env(options)))
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except subprocess.CalledProcessError as e:
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exit(e.returncode)
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finally:
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if python_set:
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python_env(options, unset_env=True)
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