webkitgtk-2.12.3webkitgtk-2.12.3

1 files changed, 56 insertions, 0 deletions

diff --git a/Tools/jhbuild/jhbuildutils.py b/Tools/jhbuild/jhbuildutils.py
new file mode 100644
index 000000000..c00160e7e
--- /dev/null
+++ b/Tools/jhbuild/jhbuildutils.py
@@ -0,0 +1,56 @@
+import glob
+import os.path
+import sys
+import __builtin__
+
+top_level_dir = None
+
+
+def top_level_path(*args):
+    global top_level_dir
+    if not top_level_dir:
+        top_level_dir = os.path.join(os.path.dirname(__file__), '..', '..')
+    return os.path.join(*(top_level_dir,) + args)
+
+
+def get_dependencies_path(platform):
+    dependencies_dir = "%s%s" % ('Dependencies', platform.upper())
+    if 'WEBKIT_OUTPUTDIR' in os.environ:
+        return os.path.abspath(os.path.join(os.environ['WEBKIT_OUTPUTDIR'], dependencies_dir))
+    else:
+        return os.path.abspath(top_level_path('WebKitBuild', dependencies_dir))
+
+
+def get_config_file_for_platform(platform):
+    return top_level_path('Tools', platform, 'jhbuildrc')
+
+
+def enter_jhbuild_environment_if_available(platform):
+    if not os.path.exists(get_dependencies_path(platform)):
+        return False
+
+    # Sometimes jhbuild chooses to install in a way that reads the library from the source directory, so fall
+    # back to that method.
+    source_path = os.path.join(get_dependencies_path(platform), "Source", "jhbuild")
+    sys.path.insert(0, source_path)
+
+    # When loading jhbuild from the source checkout it fails if the SRCDIR, PKGDATADIR or DATADIR aren't present.
+    __builtin__.__dict__['SRCDIR'] = source_path
+    __builtin__.__dict__['PKGDATADIR'] = None
+    __builtin__.__dict__['DATADIR'] = None
+
+    # We don't know the Python version, so we just assume that we can safely take the first one in the list.
+    site_packages_path = glob.glob(os.path.join(get_dependencies_path(platform), "Root", "lib", "*", "site-packages"))
+    if len(site_packages_path):
+       site_packages_path = site_packages_path[0]
+       sys.path.insert(0, site_packages_path)
+
+    try:
+        import jhbuild.config
+        from jhbuild.errors import FatalError
+        config = jhbuild.config.Config(get_config_file_for_platform(platform), [])
+    except FatalError, exception:
+        sys.stderr.write('Could not load jhbuild config file: %s\n' % exception.args[0])
+        return False
+
+    return True