Merge remote branch 'remotes/aaronw/bug444_fix_utils_py_redux'

Conflicts:
	mediagoblin/util.py

1 files changed, 37 insertions, 0 deletions

diff --git a/mediagoblin/tools/common.py b/mediagoblin/tools/common.py
new file mode 100644
index 00000000..ea4541a8
--- /dev/null
+++ b/mediagoblin/tools/common.py
@@ -0,0 +1,37 @@
+# GNU MediaGoblin -- federated, autonomous media hosting
+# Copyright (C) 2011 Free Software Foundation, Inc
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Affero General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU Affero General Public License for more details.
+#
+# You should have received a copy of the GNU Affero General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+import sys
+
+DISPLAY_IMAGE_FETCHING_ORDER = [u'medium', u'original', u'thumb']
+
+global TESTS_ENABLED
+TESTS_ENABLED = False
+
+def import_component(import_string):
+    """
+    Import a module component defined by STRING.  Probably a method,
+    class, or global variable.
+
+    Args:
+     - import_string: a string that defines what to import.  Written
+       in the format of "module1.module2:component"
+    """
+    module_name, func_name = import_string.split(':', 1)
+    __import__(module_name)
+    module = sys.modules[module_name]
+    func = getattr(module, func_name)
+    return func