/usr/share/pyshared/gdata/spreadsheet/__init__.py is in python-gdata 2.0.14-2.
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# Copyright (C) 2007 Google Inc.
#
# 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.
"""Contains extensions to Atom objects used with Google Spreadsheets.
"""
__author__ = 'api.laurabeth@gmail.com (Laura Beth Lincoln)'
try:
from xml.etree import cElementTree as ElementTree
except ImportError:
try:
import cElementTree as ElementTree
except ImportError:
try:
from xml.etree import ElementTree
except ImportError:
from elementtree import ElementTree
import atom
import gdata
import re
import string
# XML namespaces which are often used in Google Spreadsheets entities.
GSPREADSHEETS_NAMESPACE = 'http://schemas.google.com/spreadsheets/2006'
GSPREADSHEETS_TEMPLATE = '{http://schemas.google.com/spreadsheets/2006}%s'
GSPREADSHEETS_EXTENDED_NAMESPACE = ('http://schemas.google.com/spreadsheets'
'/2006/extended')
GSPREADSHEETS_EXTENDED_TEMPLATE = ('{http://schemas.google.com/spreadsheets'
'/2006/extended}%s')
class ColCount(atom.AtomBase):
"""The Google Spreadsheets colCount element """
_tag = 'colCount'
_namespace = GSPREADSHEETS_NAMESPACE
_children = atom.AtomBase._children.copy()
_attributes = atom.AtomBase._attributes.copy()
def __init__(self, text=None, extension_elements=None,
extension_attributes=None):
self.text = text
self.extension_elements = extension_elements or []
self.extension_attributes = extension_attributes or {}
def ColCountFromString(xml_string):
return atom.CreateClassFromXMLString(ColCount, xml_string)
class RowCount(atom.AtomBase):
"""The Google Spreadsheets rowCount element """
_tag = 'rowCount'
_namespace = GSPREADSHEETS_NAMESPACE
_children = atom.AtomBase._children.copy()
_attributes = atom.AtomBase._attributes.copy()
def __init__(self, text=None, extension_elements=None,
extension_attributes=None):
self.text = text
self.extension_elements = extension_elements or []
self.extension_attributes = extension_attributes or {}
def RowCountFromString(xml_string):
return atom.CreateClassFromXMLString(RowCount, xml_string)
class Cell(atom.AtomBase):
"""The Google Spreadsheets cell element """
_tag = 'cell'
_namespace = GSPREADSHEETS_NAMESPACE
_children = atom.AtomBase._children.copy()
_attributes = atom.AtomBase._attributes.copy()
_attributes['row'] = 'row'
_attributes['col'] = 'col'
_attributes['inputValue'] = 'inputValue'
_attributes['numericValue'] = 'numericValue'
def __init__(self, text=None, row=None, col=None, inputValue=None,
numericValue=None, extension_elements=None, extension_attributes=None):
self.text = text
self.row = row
self.col = col
self.inputValue = inputValue
self.numericValue = numericValue
self.extension_elements = extension_elements or []
self.extension_attributes = extension_attributes or {}
def CellFromString(xml_string):
return atom.CreateClassFromXMLString(Cell, xml_string)
class Custom(atom.AtomBase):
"""The Google Spreadsheets custom element"""
_namespace = GSPREADSHEETS_EXTENDED_NAMESPACE
_children = atom.AtomBase._children.copy()
_attributes = atom.AtomBase._attributes.copy()
def __init__(self, column=None, text=None, extension_elements=None,
extension_attributes=None):
self.column = column # The name of the column
self.text = text
self.extension_elements = extension_elements or []
self.extension_attributes = extension_attributes or {}
def _BecomeChildElement(self, tree):
new_child = ElementTree.Element('')
tree.append(new_child)
new_child.tag = '{%s}%s' % (self.__class__._namespace,
self.column)
self._AddMembersToElementTree(new_child)
def _ToElementTree(self):
new_tree = ElementTree.Element('{%s}%s' % (self.__class__._namespace,
self.column))
self._AddMembersToElementTree(new_tree)
return new_tree
def _HarvestElementTree(self, tree):
namespace_uri, local_tag = string.split(tree.tag[1:], "}", 1)
self.column = local_tag
# Fill in the instance members from the contents of the XML tree.
for child in tree:
self._ConvertElementTreeToMember(child)
for attribute, value in tree.attrib.iteritems():
self._ConvertElementAttributeToMember(attribute, value)
self.text = tree.text
def CustomFromString(xml_string):
element_tree = ElementTree.fromstring(xml_string)
return _CustomFromElementTree(element_tree)
def _CustomFromElementTree(element_tree):
namespace_uri, local_tag = string.split(element_tree.tag[1:], "}", 1)
if namespace_uri == GSPREADSHEETS_EXTENDED_NAMESPACE:
new_custom = Custom()
new_custom._HarvestElementTree(element_tree)
new_custom.column = local_tag
return new_custom
return None
class SpreadsheetsSpreadsheet(gdata.GDataEntry):
"""A Google Spreadsheets flavor of a Spreadsheet Atom Entry """
_tag = 'entry'
_namespace = atom.ATOM_NAMESPACE
_children = gdata.GDataEntry._children.copy()
_attributes = gdata.GDataEntry._attributes.copy()
def __init__(self, author=None, category=None, content=None,
contributor=None, atom_id=None, link=None, published=None, rights=None,
source=None, summary=None, title=None, control=None, updated=None,
text=None, extension_elements=None, extension_attributes=None):
self.author = author or []
self.category = category or []
self.content = content
self.contributor = contributor or []
self.id = atom_id
self.link = link or []
self.published = published
self.rights = rights
self.source = source
self.summary = summary
self.control = control
self.title = title
self.updated = updated
self.text = text
self.extension_elements = extension_elements or []
self.extension_attributes = extension_attributes or {}
def SpreadsheetsSpreadsheetFromString(xml_string):
return atom.CreateClassFromXMLString(SpreadsheetsSpreadsheet,
xml_string)
class SpreadsheetsWorksheet(gdata.GDataEntry):
"""A Google Spreadsheets flavor of a Worksheet Atom Entry """
_tag = 'entry'
_namespace = atom.ATOM_NAMESPACE
_children = gdata.GDataEntry._children.copy()
_attributes = gdata.GDataEntry._attributes.copy()
_children['{%s}rowCount' % GSPREADSHEETS_NAMESPACE] = ('row_count',
RowCount)
_children['{%s}colCount' % GSPREADSHEETS_NAMESPACE] = ('col_count',
ColCount)
def __init__(self, author=None, category=None, content=None,
contributor=None, atom_id=None, link=None, published=None, rights=None,
source=None, summary=None, title=None, control=None, updated=None,
row_count=None, col_count=None, text=None, extension_elements=None,
extension_attributes=None):
self.author = author or []
self.category = category or []
self.content = content
self.contributor = contributor or []
self.id = atom_id
self.link = link or []
self.published = published
self.rights = rights
self.source = source
self.summary = summary
self.control = control
self.title = title
self.updated = updated
self.row_count = row_count
self.col_count = col_count
self.text = text
self.extension_elements = extension_elements or []
self.extension_attributes = extension_attributes or {}
def SpreadsheetsWorksheetFromString(xml_string):
return atom.CreateClassFromXMLString(SpreadsheetsWorksheet,
xml_string)
class SpreadsheetsCell(gdata.BatchEntry):
"""A Google Spreadsheets flavor of a Cell Atom Entry """
_tag = 'entry'
_namespace = atom.ATOM_NAMESPACE
_children = gdata.BatchEntry._children.copy()
_attributes = gdata.BatchEntry._attributes.copy()
_children['{%s}cell' % GSPREADSHEETS_NAMESPACE] = ('cell', Cell)
def __init__(self, author=None, category=None, content=None,
contributor=None, atom_id=None, link=None, published=None, rights=None,
source=None, summary=None, title=None, control=None, updated=None,
cell=None, batch_operation=None, batch_id=None, batch_status=None,
text=None, extension_elements=None, extension_attributes=None):
self.author = author or []
self.category = category or []
self.content = content
self.contributor = contributor or []
self.id = atom_id
self.link = link or []
self.published = published
self.rights = rights
self.source = source
self.summary = summary
self.control = control
self.title = title
self.batch_operation = batch_operation
self.batch_id = batch_id
self.batch_status = batch_status
self.updated = updated
self.cell = cell
self.text = text
self.extension_elements = extension_elements or []
self.extension_attributes = extension_attributes or {}
def SpreadsheetsCellFromString(xml_string):
return atom.CreateClassFromXMLString(SpreadsheetsCell,
xml_string)
class SpreadsheetsList(gdata.GDataEntry):
"""A Google Spreadsheets flavor of a List Atom Entry """
_tag = 'entry'
_namespace = atom.ATOM_NAMESPACE
_children = gdata.GDataEntry._children.copy()
_attributes = gdata.GDataEntry._attributes.copy()
def __init__(self, author=None, category=None, content=None,
contributor=None, atom_id=None, link=None, published=None, rights=None,
source=None, summary=None, title=None, control=None, updated=None,
custom=None,
text=None, extension_elements=None, extension_attributes=None):
self.author = author or []
self.category = category or []
self.content = content
self.contributor = contributor or []
self.id = atom_id
self.link = link or []
self.published = published
self.rights = rights
self.source = source
self.summary = summary
self.control = control
self.title = title
self.updated = updated
self.custom = custom or {}
self.text = text
self.extension_elements = extension_elements or []
self.extension_attributes = extension_attributes or {}
# We need to overwrite _ConvertElementTreeToMember to add special logic to
# convert custom attributes to members
def _ConvertElementTreeToMember(self, child_tree):
# Find the element's tag in this class's list of child members
if self.__class__._children.has_key(child_tree.tag):
member_name = self.__class__._children[child_tree.tag][0]
member_class = self.__class__._children[child_tree.tag][1]
# If the class member is supposed to contain a list, make sure the
# matching member is set to a list, then append the new member
# instance to the list.
if isinstance(member_class, list):
if getattr(self, member_name) is None:
setattr(self, member_name, [])
getattr(self, member_name).append(atom._CreateClassFromElementTree(
member_class[0], child_tree))
else:
setattr(self, member_name,
atom._CreateClassFromElementTree(member_class, child_tree))
elif child_tree.tag.find('{%s}' % GSPREADSHEETS_EXTENDED_NAMESPACE) == 0:
# If this is in the custom namespace, make add it to the custom dict.
name = child_tree.tag[child_tree.tag.index('}')+1:]
custom = _CustomFromElementTree(child_tree)
if custom:
self.custom[name] = custom
else:
atom.ExtensionContainer._ConvertElementTreeToMember(self, child_tree)
# We need to overwtite _AddMembersToElementTree to add special logic to
# convert custom members to XML nodes.
def _AddMembersToElementTree(self, tree):
# Convert the members of this class which are XML child nodes.
# This uses the class's _children dictionary to find the members which
# should become XML child nodes.
member_node_names = [values[0] for tag, values in
self.__class__._children.iteritems()]
for member_name in member_node_names:
member = getattr(self, member_name)
if member is None:
pass
elif isinstance(member, list):
for instance in member:
instance._BecomeChildElement(tree)
else:
member._BecomeChildElement(tree)
# Convert the members of this class which are XML attributes.
for xml_attribute, member_name in self.__class__._attributes.iteritems():
member = getattr(self, member_name)
if member is not None:
tree.attrib[xml_attribute] = member
# Convert all special custom item attributes to nodes
for name, custom in self.custom.iteritems():
custom._BecomeChildElement(tree)
# Lastly, call the ExtensionContainers's _AddMembersToElementTree to
# convert any extension attributes.
atom.ExtensionContainer._AddMembersToElementTree(self, tree)
def SpreadsheetsListFromString(xml_string):
return atom.CreateClassFromXMLString(SpreadsheetsList,
xml_string)
element_tree = ElementTree.fromstring(xml_string)
return _SpreadsheetsListFromElementTree(element_tree)
class SpreadsheetsSpreadsheetsFeed(gdata.GDataFeed):
"""A feed containing Google Spreadsheets Spreadsheets"""
_tag = 'feed'
_namespace = atom.ATOM_NAMESPACE
_children = gdata.GDataFeed._children.copy()
_attributes = gdata.GDataFeed._attributes.copy()
_children['{%s}entry' % atom.ATOM_NAMESPACE] = ('entry',
[SpreadsheetsSpreadsheet])
def SpreadsheetsSpreadsheetsFeedFromString(xml_string):
return atom.CreateClassFromXMLString(SpreadsheetsSpreadsheetsFeed,
xml_string)
class SpreadsheetsWorksheetsFeed(gdata.GDataFeed):
"""A feed containing Google Spreadsheets Spreadsheets"""
_tag = 'feed'
_namespace = atom.ATOM_NAMESPACE
_children = gdata.GDataFeed._children.copy()
_attributes = gdata.GDataFeed._attributes.copy()
_children['{%s}entry' % atom.ATOM_NAMESPACE] = ('entry',
[SpreadsheetsWorksheet])
def SpreadsheetsWorksheetsFeedFromString(xml_string):
return atom.CreateClassFromXMLString(SpreadsheetsWorksheetsFeed,
xml_string)
class SpreadsheetsCellsFeed(gdata.BatchFeed):
"""A feed containing Google Spreadsheets Cells"""
_tag = 'feed'
_namespace = atom.ATOM_NAMESPACE
_children = gdata.BatchFeed._children.copy()
_attributes = gdata.BatchFeed._attributes.copy()
_children['{%s}entry' % atom.ATOM_NAMESPACE] = ('entry',
[SpreadsheetsCell])
_children['{%s}rowCount' % GSPREADSHEETS_NAMESPACE] = ('row_count',
RowCount)
_children['{%s}colCount' % GSPREADSHEETS_NAMESPACE] = ('col_count',
ColCount)
def __init__(self, author=None, category=None, contributor=None,
generator=None, icon=None, atom_id=None, link=None, logo=None,
rights=None, subtitle=None, title=None, updated=None,
entry=None, total_results=None, start_index=None,
items_per_page=None, extension_elements=None,
extension_attributes=None, text=None, row_count=None,
col_count=None, interrupted=None):
gdata.BatchFeed.__init__(self, author=author, category=category,
contributor=contributor, generator=generator,
icon=icon, atom_id=atom_id, link=link,
logo=logo, rights=rights, subtitle=subtitle,
title=title, updated=updated, entry=entry,
total_results=total_results,
start_index=start_index,
items_per_page=items_per_page,
extension_elements=extension_elements,
extension_attributes=extension_attributes,
text=text, interrupted=interrupted)
self.row_count = row_count
self.col_count = col_count
def GetBatchLink(self):
for link in self.link:
if link.rel == 'http://schemas.google.com/g/2005#batch':
return link
return None
def SpreadsheetsCellsFeedFromString(xml_string):
return atom.CreateClassFromXMLString(SpreadsheetsCellsFeed,
xml_string)
class SpreadsheetsListFeed(gdata.GDataFeed):
"""A feed containing Google Spreadsheets Spreadsheets"""
_tag = 'feed'
_namespace = atom.ATOM_NAMESPACE
_children = gdata.GDataFeed._children.copy()
_attributes = gdata.GDataFeed._attributes.copy()
_children['{%s}entry' % atom.ATOM_NAMESPACE] = ('entry',
[SpreadsheetsList])
def SpreadsheetsListFeedFromString(xml_string):
return atom.CreateClassFromXMLString(SpreadsheetsListFeed,
xml_string)
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