mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-11-14 13:21:28 +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.
275 lines
12 KiB
Python
Executable file
275 lines
12 KiB
Python
Executable file
#!/usr/bin/env python3
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import argparse
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import contextlib
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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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import pathlib
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from distutils.sysconfig import get_python_lib
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from distutils.util import strtobool
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from common import get_meson
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from common import git
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from common import win32_get_short_path_name
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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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# Use '_build' as the builddir instead of 'build'
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DEFAULT_BUILDDIR = os.path.join(SCRIPTDIR, 'build')
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if not os.path.exists(DEFAULT_BUILDDIR):
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DEFAULT_BUILDDIR = os.path.join(SCRIPTDIR, '_build')
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def listify(o):
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if isinstance(o, str):
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return [o]
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if isinstance(o, list):
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return o
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raise AssertionError('Object {!r} must be a string or a list'.format(o))
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def stringify(o):
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if isinstance(o, str):
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return o
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if isinstance(o, list):
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if len(o) == 1:
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return o[0]
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raise AssertionError('Did not expect object {!r} to have more than one element'.format(o))
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raise AssertionError('Object {!r} must be a string or a list'.format(o))
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def prepend_env_var(env, var, value):
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# Try not to exceed maximum length limits for env vars on Windows
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if os.name is 'nt':
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value = win32_get_short_path_name(value)
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env_val = env.get(var, '')
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val = os.pathsep + value + os.pathsep
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# Don't add the same value twice
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if val in env_val or env_val.startswith(value + os.pathsep):
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return
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env[var] = val + env_val
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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, gst_version):
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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"] = gst_version
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env["GST_ENV"] = 'gst-' + 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, "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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prepend_env_var(env, "PKG_CONFIG_PATH", os.path.join(PREFIX_DIR, 'lib', 'pkgconfig'))
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# Library and binary search paths
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prepend_env_var(env, "PATH", os.path.join(PREFIX_DIR, 'bin'))
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if lib_path_envvar != 'PATH':
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prepend_env_var(env, lib_path_envvar, os.path.join(PREFIX_DIR, 'lib'))
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elif 'QMAKE' in os.environ:
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# There's no RPATH on Windows, so we need to set PATH for the qt5 DLLs
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prepend_env_var(env, 'PATH', os.path.dirname(os.environ['QMAKE']))
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meson = get_meson()
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targets_s = subprocess.check_output(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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srcdir_path = pathlib.Path(options.srcdir)
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for target in targets:
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filenames = listify(target['filename'])
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for filename in filenames:
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root = os.path.dirname(filename)
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if srcdir_path / "subprojects/gst-devtools/validate/plugins" in (srcdir_path / root).parents:
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continue
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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 not target['type'].startswith('shared'):
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continue
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if target['installed']:
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if pluginpath_reg.search(os.path.normpath(stringify(target['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['type'] == 'executable' and target['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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python_dirs = set(["%s/subprojects/gstreamer/libs/gst/helpers/" % options.srcdir])
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if '--installed' in subprocess.check_output(meson + ['introspect', '-h']).decode():
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installed_s = subprocess.check_output(meson + ['introspect', options.builddir, '--installed'])
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for path, installpath in json.loads(installed_s.decode()).items():
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installpath_parts = pathlib.Path(installpath).parts
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path_parts = pathlib.Path(path).parts
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# We want to add all python modules to the PYTHONPATH
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# in a manner consistent with the way they would be imported:
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# For example if the source path /home/meh/foo/bar.py
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# is to be installed in /usr/lib/python/site-packages/foo/bar.py,
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# we want to add /home/meh to the PYTHONPATH.
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# This will only work for projects where the paths to be installed
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# mirror the installed directory layout, for example if the path
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# is /home/meh/baz/bar.py and the install path is
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# /usr/lib/site-packages/foo/bar.py , we will not add anything
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# to PYTHONPATH, but the current approach works with pygobject
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# and gst-python at least.
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if 'site-packages' in installpath_parts:
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install_subpath = os.path.join(*installpath_parts[installpath_parts.index('site-packages') + 1:])
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if path.endswith(install_subpath):
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python_dirs.add(path[:len (install_subpath) * -1])
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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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if path.endswith('gstomx.conf'):
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prepend_env_var(env, 'GST_OMX_CONFIG_DIR', 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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for python_dir in python_dirs:
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prepend_env_var(env, 'PYTHONPATH', python_dir)
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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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def get_windows_shell():
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command = ['powershell.exe' ,'-noprofile', '-executionpolicy', 'bypass', '-file', 'cmd_or_ps.ps1']
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result = subprocess.check_output(command)
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return result.decode().strip()
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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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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=DEFAULT_BUILDDIR,
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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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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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options.builddir = os.path.abspath(options.builddir)
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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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# The following incantation will retrieve the current branch name.
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gst_version = git("rev-parse", "--symbolic-full-name", "--abbrev-ref", "HEAD",
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repository_path=options.srcdir).strip('\n')
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if not args:
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if os.name is 'nt':
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shell = get_windows_shell()
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if shell == 'powershell.exe':
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args = ['powershell.exe']
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args += ['-NoLogo', '-NoExit']
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prompt = 'function global:prompt { "[gst-' + gst_version + '"+"] PS " + $PWD + "> "}'
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args += ['-Command', prompt]
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else:
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args = [os.environ.get("COMSPEC", r"C:\WINDOWS\system32\cmd.exe")]
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args += ['/k', 'prompt [gst-{}] $P$G'.format(gst_version)]
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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] and not strtobool(os.environ.get("GST_BUILD_DISABLE_PS1_OVERRIDE", r"FALSE")):
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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"' % 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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try:
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exit(subprocess.call(args, close_fds=False,
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env=get_subprocess_env(options, gst_version)))
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except subprocess.CalledProcessError as e:
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exit(e.returncode)
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