master trunk of gnowsys-studio

4 files changed, 150 insertions, 0 deletions

diff --git a/gstudio/url_shortener/__init__.py b/gstudio/url_shortener/__init__.py
new file mode 100644
index 0000000..d334d89
--- /dev/null
+++ b/gstudio/url_shortener/__init__.py
@@ -0,0 +1,24 @@
+"""Url shortener for Gstudio"""
+import warnings
+
+from django.utils.importlib import import_module
+from django.core.exceptions import ImproperlyConfigured
+
+from gstudio.settings import URL_SHORTENER_BACKEND
+from gstudio.url_shortener.backends.default import backend as default_backend
+
+
+def get_url_shortener():
+    """Return the selected url shortener backend"""
+    try:
+        backend_module = import_module(URL_SHORTENER_BACKEND)
+        backend = getattr(backend_module, 'backend')
+    except (ImportError, AttributeError):
+        warnings.warn('%s backend cannot be imported' % URL_SHORTENER_BACKEND,
+                      RuntimeWarning)
+        backend = default_backend
+    except ImproperlyConfigured, e:
+        warnings.warn(str(e), RuntimeWarning)
+        backend = default_backend
+
+    return backend
diff --git a/gstudio/url_shortener/backends/__init__.py b/gstudio/url_shortener/backends/__init__.py
new file mode 100644
index 0000000..da6cf49
--- /dev/null
+++ b/gstudio/url_shortener/backends/__init__.py
@@ -0,0 +1 @@
+"""Shortlink backends for Gstudio"""
diff --git a/gstudio/url_shortener/backends/bitly.py b/gstudio/url_shortener/backends/bitly.py
new file mode 100644
index 0000000..3a1258e
--- /dev/null
+++ b/gstudio/url_shortener/backends/bitly.py
@@ -0,0 +1,67 @@
+# Copyright (c) 2011,  2012 Free Software Foundation
+
+#     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/>.
+
+
+# This project incorporates work covered by the following copyright and permission notice:  
+
+#    Copyright (c) 2009, Julien Fache
+#    All rights reserved.
+
+#    Redistribution and use in source and binary forms, with or without
+#    modification, are permitted provided that the following conditions
+#    are met:
+
+#    * Redistributions of source code must retain the above copyright
+#      notice, this list of conditions and the following disclaimer.
+#    * Redistributions in binary form must reproduce the above copyright
+#      notice, this list of conditions and the following disclaimer in
+#      the documentation and/or other materials provided with the
+#      distribution.
+#    * Neither the name of the author nor the names of other
+#      contributors may be used to endorse or promote products derived
+#      from this software without specific prior written permission.
+
+#    THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+#    "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+#    LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+#    FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+#    COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+#    INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+#    (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+#    SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+#    HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+#    STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+#    ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
+#    OF THE POSSIBILITY OF SUCH DAMAGE.
+"""Bit.ly url shortener backend for Gstudio"""
+from django.conf import settings
+from django.core.exceptions import ImproperlyConfigured
+
+try:
+    from django_bitly.models import Bittle
+except ImportError:
+    raise ImproperlyConfigured('django_bitly is not available')
+
+if not getattr(settings, 'BITLY_LOGIN', ''):
+    raise ImproperlyConfigured('You have to set a BITLY_LOGIN setting')
+
+if not getattr(settings, 'BITLY_API_KEY', ''):
+    raise ImproperlyConfigured('You have to set a BITLY_API_KEY setting')
+
+
+def backend(nodetype):
+    """Bit.ly url shortener backend for Gstudio"""
+    bittle = Bittle.objects.bitlify(nodetype)
+    return bittle.shortUrl
diff --git a/gstudio/url_shortener/backends/default.py b/gstudio/url_shortener/backends/default.py
new file mode 100644
index 0000000..bedcc27
--- /dev/null
+++ b/gstudio/url_shortener/backends/default.py
@@ -0,0 +1,58 @@
+# Copyright (c) 2011,  2012 Free Software Foundation
+
+#     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/>.
+
+
+# This project incorporates work covered by the following copyright and permission notice:  
+
+#    Copyright (c) 2009, Julien Fache
+#    All rights reserved.
+
+#    Redistribution and use in source and binary forms, with or without
+#    modification, are permitted provided that the following conditions
+#    are met:
+
+#    * Redistributions of source code must retain the above copyright
+#      notice, this list of conditions and the following disclaimer.
+#    * Redistributions in binary form must reproduce the above copyright
+#      notice, this list of conditions and the following disclaimer in
+#      the documentation and/or other materials provided with the
+#      distribution.
+#    * Neither the name of the author nor the names of other
+#      contributors may be used to endorse or promote products derived
+#      from this software without specific prior written permission.
+
+#    THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+#    "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+#    LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+#    FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+#    COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+#    INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+#    (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+#    SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+#    HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+#    STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+#    ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
+#    OF THE POSSIBILITY OF SUCH DAMAGE.
+"""Default url shortener backend for Gstudio"""
+from django.contrib.sites.models import Site
+from django.core.urlresolvers import reverse
+
+from gstudio.settings import PROTOCOL
+
+
+def backend(nodetype):
+    """Default url shortener backend for Gstudio"""
+    return '%s://%s%s' % (PROTOCOL, Site.objects.get_current().domain,
+                       reverse('gstudio_nodetype_shortlink', args=[nodetype.pk]))