Add pastealacon backend for CapPaste

Sadly, not posting for now, for two reasons:
* we get a captcha very often
* the form page seems invalid and mechanize is not able to select the form

weboob/backends/pastealacon/backend.py

@@ -0,0 +1,54 @@
+# -*- coding: utf-8 -*-
+
+# Copyright(C) 2011 Laurent Bachelier
+#
+# This file is part of weboob.
+#
+# weboob 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.
+#
+# weboob 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 weboob. If not, see <http://www.gnu.org/licenses/>.
+
+
+from weboob.capabilities.paste import ICapPaste
+from weboob.tools.backend import BaseBackend
+from weboob.capabilities.base import NotLoaded
+
+from .browser import PastealaconBrowser
+from .paste import PastealaconPaste
+
+
+__all__ = ['PastealaconBackend']
+
+
+class PastealaconBackend(BaseBackend, ICapPaste):
+    NAME = 'pastealacon'
+    MAINTAINER = 'Laurent Bachelier'
+    EMAIL = 'laurent@bachelier.name'
+    VERSION = '0.8'
+    DESCRIPTION = 'Paste a la con paste tool'
+    LICENSE = 'AGPLv3+'
+    BROWSER = PastealaconBrowser
+
+    def get_paste(self, _id):
+        return PastealaconPaste(_id)
+
+    def fill_paste(self, paste, fields):
+        # if we only want the contents
+        if fields == ['contents']:
+            if paste.contents is NotLoaded:
+                contents = self.browser.get_contents(paste.id)
+                paste.contents = contents
+        elif fields:
+            self.browser.fill_paste(paste)
+        return paste
+
+    OBJECTS = {PastealaconPaste: fill_paste}