mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-05-12 13:32:53 +00:00
e43985d8bb
This makes it a little easier to run it. Part-of: <https://gitlab.freedesktop.org/gstreamer/gst-build/-/merge_requests/243>
573 lines
24 KiB
Python
Executable file
573 lines
24 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 glob
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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 shlex
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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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import signal
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from functools import lru_cache
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from pathlib import PurePath, Path
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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 scripts.common import get_meson
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from scripts.common import git
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from scripts.common import win32_get_short_path_name
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from scripts.common import get_wine_shortpath
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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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# Look for the following build dirs: `build` `_build` `builddir`
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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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if not os.path.exists(DEFAULT_BUILDDIR):
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DEFAULT_BUILDDIR = os.path.join(SCRIPTDIR, 'builddir')
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TYPELIB_REG = re.compile(r'.*\.typelib$')
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SHAREDLIB_REG = re.compile(r'\.so|\.dylib|\.dll')
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# libdir is expanded from option of the same name listed in the `meson
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# introspect --buildoptions` output.
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GSTPLUGIN_FILEPATH_REG_TEMPLATE = r'.*/{libdir}/gstreamer-1.0/[^/]+$'
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GSTPLUGIN_FILEPATH_REG = None
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BC_RC = '''
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BASH_COMPLETION_SCRIPTS="{bash_completions}"
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BASH_COMPLETION_PATHS="{bash_completions_paths}"
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for p in $BASH_COMPLETION_PATHS; do
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for f in $BASH_COMPLETION_SCRIPTS; do
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[ -f "$p/$f" ] && . "$p/$f"
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done
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done
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'''
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BASH_COMPLETION_PATHS = [SCRIPTDIR + '/subprojects/gstreamer/data/bash-completion/completions']
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BASH_COMPLETION_PATHS += [SCRIPTDIR + '/subprojects/gst-devtools/validate/data/bash-completion/completions']
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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, sysroot):
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if value.startswith(sysroot):
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value = value[len(sysroot):]
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# Try not to exceed maximum length limits for env vars on Windows
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if os.name == '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_target_install_filename(target, filename):
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'''
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Checks whether this file is one of the files installed by the target
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'''
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basename = os.path.basename(filename)
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for install_filename in listify(target['install_filename']):
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if install_filename.endswith(basename):
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return install_filename
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return None
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def get_pkgconfig_variable_from_pcfile(pcfile, varname):
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variables = {}
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substre = re.compile('\$\{[^${}]+\}')
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with pcfile.open('r', encoding='utf-8') as f:
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for line in f:
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if '=' not in line:
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continue
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key, value = line[:-1].split('=', 1)
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subst = {}
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for each in substre.findall(value):
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substkey = each[2:-1]
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subst[each] = variables.get(substkey, '')
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for k, v in subst.items():
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value = value.replace(k, v)
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variables[key] = value
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return variables.get(varname, '')
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@lru_cache()
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def get_pkgconfig_variable(builddir, pcname, varname):
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'''
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Parsing isn't perfect, but it's good enough.
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'''
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pcfile = Path(builddir) / 'meson-private' / (pcname + '.pc')
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if pcfile.is_file():
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return get_pkgconfig_variable_from_pcfile(pcfile, varname)
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return subprocess.check_output(['pkg-config', pcname, '--variable=' + varname],
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universal_newlines=True, encoding='utf-8')
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def is_gio_module(target, filename, builddir):
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if target['type'] != 'shared module':
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return False
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install_filename = get_target_install_filename(target, filename)
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if not install_filename:
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return False
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giomoduledir = PurePath(get_pkgconfig_variable(builddir, 'gio-2.0', 'giomoduledir'))
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fpath = PurePath(install_filename)
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if fpath.parent != giomoduledir:
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return False
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return True
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def is_library_target_and_not_plugin(target, filename):
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'''
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Don't add plugins to PATH/LD_LIBRARY_PATH because:
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1. We don't need to
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2. It causes us to exceed the PATH length limit on Windows and Wine
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'''
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if target['type'] != 'shared library':
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return False
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# Check if this output of that target is a shared library
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if not SHAREDLIB_REG.search(filename):
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return False
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# Check if it's installed to the gstreamer plugin location
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install_filename = get_target_install_filename(target, filename)
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if not install_filename:
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return False
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global GSTPLUGIN_FILEPATH_REG
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if GSTPLUGIN_FILEPATH_REG is None:
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GSTPLUGIN_FILEPATH_REG = re.compile(GSTPLUGIN_FILEPATH_REG_TEMPLATE)
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if GSTPLUGIN_FILEPATH_REG.search(install_filename.replace('\\', '/')):
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return False
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return True
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def is_binary_target_and_in_path(target, filename, bindir):
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if target['type'] != 'executable':
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return False
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# Check if this file installed by this target is installed to bindir
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install_filename = get_target_install_filename(target, filename)
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if not install_filename:
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return False
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fpath = PurePath(install_filename)
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if fpath.parent != bindir:
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return False
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return True
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def get_wine_subprocess_env(options, env):
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with open(os.path.join(options.builddir, 'meson-info', 'intro-buildoptions.json')) as f:
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buildoptions = json.load(f)
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prefix, = [o for o in buildoptions if o['name'] == 'prefix']
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path = os.path.normpath(os.path.join(prefix['value'], 'bin'))
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prepend_env_var(env, "PATH", path, options.sysroot)
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wine_path = get_wine_shortpath(
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options.wine.split(' '),
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[path] + env.get('WINEPATH', '').split(';')
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)
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if options.winepath:
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wine_path += ';' + options.winepath
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env['WINEPATH'] = wine_path
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env['WINEDEBUG'] = 'fixme-all'
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return env
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def setup_gdb(options):
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python_paths = set()
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if not shutil.which('gdb'):
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return python_paths
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bdir = pathlib.Path(options.builddir).resolve()
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for libpath, gdb_path in [
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(os.path.join("subprojects", "gstreamer", "gst"),
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os.path.join("subprojects", "gstreamer", "libs", "gst", "helpers")),
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(os.path.join("subprojects", "glib", "gobject"), None),
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(os.path.join("subprojects", "glib", "glib"), None)]:
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if not gdb_path:
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gdb_path = libpath
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autoload_path = (pathlib.Path(bdir) / 'gdb-auto-load').joinpath(*bdir.parts[1:]) / libpath
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autoload_path.mkdir(parents=True, exist_ok=True)
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for gdb_helper in glob.glob(str(bdir / gdb_path / "*-gdb.py")):
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python_paths.add(str(bdir / gdb_path))
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python_paths.add(os.path.join(options.srcdir, gdb_path))
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try:
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if os.name == 'nt':
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shutil.copy(gdb_helper, str(autoload_path / os.path.basename(gdb_helper)))
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else:
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os.symlink(gdb_helper, str(autoload_path / os.path.basename(gdb_helper)))
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except (FileExistsError, shutil.SameFileError):
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pass
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gdbinit_line = 'add-auto-load-scripts-directory {}\n'.format(bdir / 'gdb-auto-load')
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try:
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with open(os.path.join(options.srcdir, '.gdbinit'), 'r') as f:
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if gdbinit_line in f.readlines():
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return python_paths
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except FileNotFoundError:
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pass
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with open(os.path.join(options.srcdir, '.gdbinit'), 'a') as f:
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f.write(gdbinit_line)
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return python_paths
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def is_bash_completion_available (options):
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return os.path.exists(os.path.join(options.builddir, 'subprojects/gstreamer/data/bash-completion/helpers/gst'))
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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_VERSION"] = gst_version
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prepend_env_var (env, "GST_VALIDATE_SCENARIOS_PATH", os.path.normpath(
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"%s/subprojects/gst-devtools/validate/data/scenarios" % SCRIPTDIR),
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options.sysroot)
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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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prepend_env_var (env, "GST_VALIDATE_APPS_DIR", os.path.normpath(
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"%s/subprojects/gst-editing-services/tests/validate" % SCRIPTDIR),
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options.sysroot)
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env["GST_ENV"] = 'gst-' + gst_version
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env["GST_REGISTRY"] = os.path.normpath(options.builddir + "/registry.dat")
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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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options.sysroot)
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prepend_env_var (env, "GST_VALIDATE_SCENARIOS_PATH", os.path.normpath(
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"%s/subprojects/gst-examples/webrtc/check/validate/scenarios" %
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SCRIPTDIR), options.sysroot)
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prepend_env_var (env, "GST_VALIDATE_APPS_DIR", os.path.normpath(
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"%s/subprojects/gst-examples/webrtc/check/validate/apps" %
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SCRIPTDIR), options.sysroot)
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if options.wine:
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return get_wine_subprocess_env(options, env)
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prepend_env_var(env, "PATH", os.path.join(SCRIPTDIR, 'meson'),
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options.sysroot)
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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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if os.name == '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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options.sysroot)
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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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options.sysroot)
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prepend_env_var(env, "GST_PLUGIN_PATH", os.path.join(options.builddir, 'subprojects',
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'libnice', 'gst'),
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options.sysroot)
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prepend_env_var(env, "GST_VALIDATE_SCENARIOS_PATH",
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os.path.join(PREFIX_DIR, 'share', 'gstreamer-1.0',
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'validate', 'scenarios'),
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options.sysroot)
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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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options.sysroot)
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prepend_env_var(env, "PKG_CONFIG_PATH", os.path.join(PREFIX_DIR, 'lib', 'pkgconfig'),
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options.sysroot)
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# gst-indent
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prepend_env_var(env, "PATH", os.path.join(SCRIPTDIR, 'gstreamer', 'tools'),
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options.sysroot)
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# tools: gst-launch-1.0, gst-inspect-1.0
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prepend_env_var(env, "PATH", os.path.join(options.builddir, 'subprojects',
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'gstreamer', 'tools'),
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options.sysroot)
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prepend_env_var(env, "PATH", os.path.join(options.builddir, 'subprojects',
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'gst-plugins-base', 'tools'),
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options.sysroot)
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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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options.sysroot)
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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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options.sysroot)
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prepend_env_var(env, lib_path_envvar, os.path.join(PREFIX_DIR, 'lib64'),
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options.sysroot)
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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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options.sysroot)
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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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build_options_s = subprocess.check_output(meson + ['introspect', options.builddir, '--buildoptions'])
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build_options = json.loads(build_options_s.decode())
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libdir, = [o['value'] for o in build_options if o['name'] == 'libdir']
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libdir = PurePath(libdir)
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prefix, = [o['value'] for o in build_options if o['name'] == 'prefix']
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bindir, = [o['value'] for o in build_options if o['name'] == 'bindir']
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prefix = PurePath(prefix)
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bindir = prefix / bindir
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global GSTPLUGIN_FILEPATH_REG_TEMPLATE
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GSTPLUGIN_FILEPATH_REG_TEMPLATE = GSTPLUGIN_FILEPATH_REG_TEMPLATE.format(libdir=libdir.as_posix())
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for target in targets:
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filenames = listify(target['filename'])
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if not target['installed']:
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continue
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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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options.sysroot)
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elif is_library_target_and_not_plugin(target, filename):
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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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options.sysroot)
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elif is_binary_target_and_in_path(target, filename, bindir):
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paths.add(os.path.join(options.builddir, root))
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elif is_gio_module(target, filename, options.builddir):
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prepend_env_var(env, 'GIO_EXTRA_MODULES',
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os.path.join(options.builddir, root),
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options.sysroot)
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with open(os.path.join(options.builddir, 'GstPluginsPath.json')) as f:
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for plugin_path in json.load(f):
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prepend_env_var(env, 'GST_PLUGIN_PATH', plugin_path,
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options.sysroot)
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# Sort to iterate in a consistent order (`set`s and `hash`es are randomized)
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for p in sorted(paths):
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prepend_env_var(env, 'PATH', p, options.sysroot)
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if os.name != 'nt':
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for p in sorted(mono_paths):
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prepend_env_var(env, "MONO_PATH", p, options.sysroot)
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presets = set()
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encoding_targets = set()
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python_dirs = setup_gdb(options)
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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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if path.endswith('gstomx.conf'):
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prepend_env_var(env, 'GST_OMX_CONFIG_DIR', os.path.dirname(path),
|
|
options.sysroot)
|
|
|
|
for p in sorted(presets):
|
|
prepend_env_var(env, 'GST_PRESET_PATH', p, options.sysroot)
|
|
|
|
for t in sorted(encoding_targets):
|
|
prepend_env_var(env, 'GST_ENCODING_TARGET_PATH', t, options.sysroot)
|
|
|
|
# Check if meson has generated -uninstalled pkgconfig files
|
|
meson_uninstalled = pathlib.Path(options.builddir) / 'meson-uninstalled'
|
|
if meson_uninstalled.is_dir():
|
|
prepend_env_var(env, 'PKG_CONFIG_PATH', str(meson_uninstalled), options.sysroot)
|
|
|
|
for python_dir in sorted(python_dirs):
|
|
prepend_env_var(env, 'PYTHONPATH', python_dir, options.sysroot)
|
|
|
|
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, options.sysroot)
|
|
|
|
# For devhelp books
|
|
if 'XDG_DATA_DIRS' not in env or not env['XDG_DATA_DIRS']:
|
|
# Preserve default paths when empty
|
|
prepend_env_var(env, 'XDG_DATA_DIRS', '/usr/local/share/:/usr/share/', '')
|
|
|
|
prepend_env_var (env, 'XDG_DATA_DIRS', os.path.join(options.builddir,
|
|
'subprojects',
|
|
'gst-docs',
|
|
'GStreamer-doc'),
|
|
options.sysroot)
|
|
|
|
if 'XDG_CONFIG_DIRS' not in env or not env['XDG_CONFIG_DIRS']:
|
|
# Preserve default paths when empty
|
|
prepend_env_var(env, 'XDG_CONFIG_DIRS', '/etc/local/xdg:/etc/xdg', '')
|
|
|
|
prepend_env_var(env, "XDG_CONFIG_DIRS", os.path.join(PREFIX_DIR, 'etc', 'xdg'),
|
|
options.sysroot)
|
|
|
|
return env
|
|
|
|
def get_windows_shell():
|
|
command = ['powershell.exe' ,'-noprofile', '-executionpolicy', 'bypass', '-file', 'cmd_or_ps.ps1']
|
|
result = subprocess.check_output(command, cwd=SCRIPTDIR)
|
|
return result.decode().strip()
|
|
|
|
if __name__ == "__main__":
|
|
parser = argparse.ArgumentParser(prog="gst-env")
|
|
|
|
parser.add_argument("--builddir",
|
|
default=DEFAULT_BUILDDIR,
|
|
help="The meson build directory")
|
|
parser.add_argument("--srcdir",
|
|
default=SCRIPTDIR,
|
|
help="The top level source directory")
|
|
parser.add_argument("--sysroot",
|
|
default='',
|
|
help="The sysroot path used during cross-compilation")
|
|
parser.add_argument("--wine",
|
|
default='',
|
|
help="Build a wine env based on specified wine command")
|
|
parser.add_argument("--winepath",
|
|
default='',
|
|
help="Extra path to set to WINEPATH.")
|
|
parser.add_argument("--only-environment",
|
|
action='store_true',
|
|
default=False,
|
|
help="Do not start a shell, only print required environment.")
|
|
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)
|
|
options.builddir = os.path.abspath(options.builddir)
|
|
|
|
if not os.path.exists(options.srcdir):
|
|
print("The specified source dir does not exist" %
|
|
options.srcdir)
|
|
exit(1)
|
|
|
|
# The following incantation will retrieve the current branch name.
|
|
try:
|
|
gst_version = git("rev-parse", "--symbolic-full-name", "--abbrev-ref", "HEAD",
|
|
repository_path=options.srcdir).strip('\n')
|
|
except subprocess.CalledProcessError:
|
|
gst_version = "unknown"
|
|
|
|
if options.wine:
|
|
gst_version += '-' + os.path.basename(options.wine)
|
|
|
|
env = get_subprocess_env(options, gst_version)
|
|
if not args:
|
|
if os.name == 'nt':
|
|
shell = get_windows_shell()
|
|
if shell == 'powershell.exe':
|
|
args = ['powershell.exe']
|
|
args += ['-NoLogo', '-NoExit']
|
|
prompt = 'function global:prompt { "[gst-' + gst_version + '"+"] PS " + $PWD + "> "}'
|
|
args += ['-Command', prompt]
|
|
else:
|
|
args = [os.environ.get("COMSPEC", r"C:\WINDOWS\system32\cmd.exe")]
|
|
args += ['/k', 'prompt [gst-{}] $P$G'.format(gst_version)]
|
|
else:
|
|
args = [os.environ.get("SHELL", os.path.realpath("/bin/sh"))]
|
|
if args[0].endswith('bash') and not strtobool(os.environ.get("GST_BUILD_DISABLE_PS1_OVERRIDE", r"FALSE")):
|
|
# Let the GC remove the tmp file
|
|
tmprc = tempfile.NamedTemporaryFile(mode='w')
|
|
bashrc = os.path.expanduser('~/.bashrc')
|
|
if os.path.exists(bashrc):
|
|
with open(bashrc, 'r') as src:
|
|
shutil.copyfileobj(src, tmprc)
|
|
tmprc.write('\nexport PS1="[gst-%s] $PS1"' % gst_version)
|
|
tmprc.flush()
|
|
if is_bash_completion_available(options):
|
|
bash_completions_files = []
|
|
for p in BASH_COMPLETION_PATHS:
|
|
if os.path.exists(p):
|
|
bash_completions_files += os.listdir(path=p)
|
|
bc_rc = BC_RC.format(bash_completions=' '.join(bash_completions_files), bash_completions_paths=' '.join(BASH_COMPLETION_PATHS))
|
|
tmprc.write(bc_rc)
|
|
tmprc.flush()
|
|
args.append("--rcfile")
|
|
args.append(tmprc.name)
|
|
elif args[0].endswith('fish'):
|
|
# Ignore SIGINT while using fish as the shell to make it behave
|
|
# like other shells such as bash and zsh.
|
|
# See: https://gitlab.freedesktop.org/gstreamer/gst-build/issues/18
|
|
signal.signal(signal.SIGINT, lambda x, y: True)
|
|
# Set the prompt
|
|
args.append('--init-command')
|
|
prompt_cmd = '''functions --copy fish_prompt original_fish_prompt
|
|
function fish_prompt
|
|
echo -n '[gst-{}] '(original_fish_prompt)
|
|
end'''.format(gst_version)
|
|
args.append(prompt_cmd)
|
|
elif args[0].endswith('zsh'):
|
|
tmpdir = tempfile.TemporaryDirectory()
|
|
# Let the GC remove the tmp file
|
|
tmprc = open(os.path.join(tmpdir.name, '.zshrc'), 'w')
|
|
zshrc = os.path.expanduser('~/.zshrc')
|
|
if os.path.exists(zshrc):
|
|
with open(zshrc, 'r') as src:
|
|
shutil.copyfileobj(src, tmprc)
|
|
tmprc.write('\nexport PROMPT="[gst-{}] $PROMPT"'.format(gst_version))
|
|
tmprc.flush()
|
|
env['ZDOTDIR'] = tmpdir.name
|
|
try:
|
|
if options.only_environment:
|
|
for name, value in env.items():
|
|
print('{}={}'.format(name, shlex.quote(value)))
|
|
print('export {}'.format(name))
|
|
else:
|
|
exit(subprocess.call(args, close_fds=False, env=env))
|
|
|
|
except subprocess.CalledProcessError as e:
|
|
exit(e.returncode)
|