1 files changed, 76 insertions, 0 deletions
diff --git a/mediagoblin/gmg_commands/shell.py b/mediagoblin/gmg_commands/shell.py
new file mode 100644
index 00000000..4998acd7
--- /dev/null
+++ b/mediagoblin/gmg_commands/shell.py
@@ -0,0 +1,76 @@
+# GNU MediaGoblin -- federated, autonomous media hosting
+# Copyright (C) 2011, 2012 MediaGoblin contributors.  See AUTHORS.
+#
+# 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 code
+
+from mediagoblin import mg_globals
+from mediagoblin.gmg_commands import util as commands_util
+
+
+def shell_parser_setup(subparser):
+    subparser.add_argument(
+        '--ipython', help='Use ipython',
+        action="store_true")
+
+
+SHELL_BANNER = """\
+GNU MediaGoblin shell!
+----------------------
+Available vars:
+ - mgoblin_app: instantiated mediagoblin application
+ - mg_globals: mediagoblin.globals
+ - db: database instance
+"""
+
+def py_shell(**user_namespace):
+    """
+    Run a shell using normal python shell.
+    """
+    code.interact(
+        banner=SHELL_BANNER,
+        local=user_namespace)
+
+
+def ipython_shell(**user_namespace):
+    """
+    Run a shell for the user using ipython. Return False if there is no IPython
+    """
+    try:
+        from IPython import embed
+    except:
+        return False
+
+    embed(
+        banner1=SHELL_BANNER,
+        user_ns=user_namespace)
+    return True
+
+def shell(args):
+    """
+    Setup a shell for the user either a normal Python shell or an IPython one
+    """
+    user_namespace = {
+        'mg_globals': mg_globals,
+        'mgoblin_app': commands_util.setup_app(args),
+        'db': mg_globals.database}
+
+    if args.ipython:
+        ipython_shell(**user_namespace)
+    else:
+        # Try ipython_shell first and fall back if not available
+        if not ipython_shell(**user_namespace):
+            py_shell(**user_namespace)