Added created_on DateTime property to request.
As requested in Issue 302.
Patch by: Lennard de Rijk
Reviewed by: to-be-reviewed
#!/usr/bin/python2.5
#
# Copyright 2008 the Melange authors.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
"""List generation logic.
"""
__authors__ = [
'"Sverre Rabbelier" <sverre@rabbelier.nl>',
]
class Lists(object):
"""List array suitable for enumerating over with just 'for in'.
"""
DEF_PASSTHROUGH_FIELDS = [
'pagination',
'pagination_form',
'description',
'heading',
'row',
'limit',
'newest',
'prev',
'next',
'first',
'last',
]
def __init__(self, contents):
"""Constructs a new Lists object with the specified contents.
"""
# All the contents of all the lists
self._contents = contents
self._content = {}
# For iterating over all the lists
self._lists = range(len(contents))
self._list_data = []
# For iterating over the rows
self._rows = []
self._row_data = []
def __getattr__(self, attr):
"""Delegate field lookup to the current list if appropriate.
If, and only if, a lookup is done on one of the fields defined in
DEF_PASSTHROUGH_FIELDS, and the current list defines this field,
the value from the current list is returned.
"""
if attr not in self.DEF_PASSTHROUGH_FIELDS:
raise AttributeError()
if attr not in self._content:
raise AttributeError()
return self.get(attr)
def get(self, item):
"""Returns the item for the current list data.
"""
return self._content[item]
def nextList(self):
"""Shifts out the current list content.
The main content of the next list is returned for further processing.
"""
# Advance the list data once
self._content = self._contents[0]
self._contents = self._contents[1:]
# Update internal 'iterators'
self._list_data = self.get('data')
self._rows = range(len(self._list_data))
return self.get('main')
def nextRow(self):
"""Returns the next list row for the current list.
Before calling this method, nextList should be called at least once.
"""
# Update internal 'iterators'
self._row_data = self._list_data[0]
# Advance the row data once
self._list_data = self._list_data[1:]
return self.get('row')
def empty(self):
"""Returns true iff there are no lists
"""
return not self._lists
def lists(self):
"""Returns a list of numbers the size of the amount of lists.
This method can be used to iterate over all lists with shift,
without using a while loop.
"""
return self._lists
def rows(self):
"""Returns a list of numbers the size of the amount of items.
This method can be used to iterate over all items with next for
the current list, without using a while loop.
"""
return self._rows
def item(self):
"""Returns the current row item for the current list.
Before calling this method, nextRow should be called at least once.
"""
return self._row_data
def info(self):
"""Returns additional info on the current row item in the current list.
"""
action, args = self.get('info')
return action(self._row_data, args)
def redirect(self):
"""Returns the redirect for the current row item in the current list.
"""
action, args = self.get('action')
return action(self._row_data, args)