#!/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 common import get_meson SCRIPTDIR = os.path.abspath(os.path.dirname(__file__)) 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() PATH = env.get("PATH", "") subprojects_path = os.path.join(options.builddir, "subprojects") for proj in os.listdir(subprojects_path): projpath = os.path.join(subprojects_path, proj) if not os.path.exists(projpath): print("Subproject %s does not exist in %s.,\n" " Make sure to build everything properly " "and try again." % (proj, projpath)) exit(1) toolsdir = os.path.join(projpath, "tools") if os.path.exists(toolsdir): prepend_env_var(env, "PATH", toolsdir) prepend_env_var(env, "GST_PLUGIN_PATH", projpath) prepend_env_var(env, "GST_PLUGIN_PATH", os.path.join(SCRIPTDIR, 'subprojects', 'gst-python', 'plugin')) 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["PATH"] += os.pathsep + PATH 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") filename = "meson.build" sharedlib_reg = re.compile(r'\.so|\.dylib|\.dll') typelib_reg = re.compile(r'.*\.typelib$') 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' meson, mesonconf, mesonintrospect = get_meson() targets_s = subprocess.check_output([sys.executable, mesonintrospect, options.builddir, '--targets']) targets = json.loads(targets_s.decode()) for target in targets: filename = target['filename'] root = os.path.dirname(filename) 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 os.path.normpath("lib/gstreamer-1.0") in os.path.normpath(target.get('install_filename')): continue prepend_env_var(env, lib_path_envvar, os.path.join(options.builddir, root)) return env 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 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("--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 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, env=get_subprocess_env(options))) except subprocess.CalledProcessError as e: exit(e.returncode) finally: if python_set: python_env(options, unset_env=True)