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