Scripts to download files from google storage based on sha1 sums

third_party/gsutil/boto/pyami/installers/__init__.py

+# Copyright (c) 2006,2007,2008 Mitch Garnaat http://garnaat.org/
+#
+# Permission is hereby granted, free of charge, to any person obtaining a
+# copy of this software and associated documentation files (the
+# "Software"), to deal in the Software without restriction, including
+# without limitation the rights to use, copy, modify, merge, publish, dis-
+# tribute, sublicense, and/or sell copies of the Software, and to permit
+# persons to whom the Software is furnished to do so, subject to the fol-
+# lowing conditions:
+#
+# The above copyright notice and this permission notice shall be included
+# in all copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+# OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABIL-
+# ITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT
+# SHALL THE AUTHOR BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, 
+# WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+# IN THE SOFTWARE.
+#
+from boto.pyami.scriptbase import ScriptBase
+
+
+class Installer(ScriptBase):
+    """
+    Abstract base class for installers
+    """
+
+    def add_cron(self, name, minute, hour, mday, month, wday, who, command, env=None):
+        """
+        Add an entry to the system crontab.
+        """
+        raise NotImplementedError
+
+    def add_init_script(self, file):
+        """
+        Add this file to the init.d directory
+        """
+
+    def add_env(self, key, value):
+        """
+        Add an environemnt variable
+        """
+        raise NotImplementedError
+
+    def stop(self, service_name):
+        """
+        Stop a service.
+        """
+        raise NotImplementedError
+
+    def start(self, service_name):
+        """
+        Start a service.
+        """
+        raise NotImplementedError
+
+    def install(self):
+        """
+        Do whatever is necessary to "install" the package.
+        """
+        raise NotImplementedError
+