X-Git-Url: https://git.mdrn.pl/redakcja.git/blobdiff_plain/8d62c0c82718b59c077b611fca1cd9f8054a8c41..b2d72160e2a68991c66ea6017b871d7f42c0b29d:/lib/wlrepo/__init__.py?ds=sidebyside

diff --git a/lib/wlrepo/__init__.py b/lib/wlrepo/__init__.py
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+++ b/lib/wlrepo/__init__.py
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+# -*- encoding: utf-8 -*-
+__author__="Łukasz Rekucki"
+__date__ ="$2009-09-18 10:49:24$"
+
+__doc__ = """Main module for the Repository Abstraction Layer"""
+
+class Library(object):
+
+    def __init__(self, create=False):
+        """Open an existing library, or create a new one. By default, fails if
+        the library doesn't exist."""
+        self.create = create     
+        
+    def main_cabinet(self):
+        """Return the "main" cabinet of the library."""
+        pass
+
+    def cabinets(self):
+        """List all cabinets in the library."""
+        pass
+
+    def cabinet(self, document, user, create=False):
+        """Open a cabinet belonging to the _user_ for a given _document_.
+        If the _document_ is actually a sub-document, it's parent's cabinet is
+        opened istead.
+        
+        If the cabinet doesn't exists and create is False (the default), a 
+        CabinetNotFound exception is raised.
+        
+        If create is True, a new cabinet is created if it doesn't exist yet."""
+        pass
+
+
+class Cabinet(object):
+
+    def __init__(self, library, name=None, doc=None, user=None):
+        self._library = library
+        if name:
+            self._name = name
+            self._maindoc = ''
+        elif doc and user:
+            self._name = user + ':' + doc
+            self._maindoc = doc
+        else:
+            raise ValueError("You must provide either name or doc and user.")
+
+    def documents(self):
+        """Lists all documents and sub-documents in this cabinet."""
+        pass
+    
+    def retrieve(self, parts=None, shelve=None):
+        """Retrieve a document from a given shelve in the cabinet. If no
+        part is given, the main document is retrieved. If no shelve is given,
+        the top-most shelve is used.
+
+        If parts is a list, all the given parts are retrieved atomicly. Use None
+        as the name for the main document"""
+        pass
+
+    def create(self, name):
+        """Create a new sub-document in the cabinet with the given name."""
+        pass
+    
+    def maindoc_name(self):
+        return self._maindoc
+
+
+    @property
+    def library(self):
+        return self._library
+
+    @property
+    def name(self):
+        return self._name
+
+class Document(object):
+    def __init__(self, cabinet, name):
+        self._cabinet = cabinet
+        self._name = name
+
+    def read(self):
+        pass
+
+    def write(self, data):
+        pass
+
+    @property
+    def cabinet(self):
+        return self._cabinet
+
+    @property
+    def library(self):
+        return self._cabinet.library
+
+
+#
+# Exception classes
+#
+
+class LibraryException(Exception):
+    
+    def __init__(self, msg, cause=None):
+        Exception.__init__(self, msg)
+        self.cause = cause
+
+class CabinetNotFound(LibraryException):
+    pass
+
+
+# import backends to local namespace
+from backend_mercurial import MercurialLibrary
\ No newline at end of file