add ods package from w.c.s.
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# -*- coding: utf-8 -*-
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#
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# w.c.s. - web application for online forms
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# Copyright (C) 2005-2013 Entr'ouvert
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, see <http://www.gnu.org/licenses/>.
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import zipfile
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import xml.etree.ElementTree as ET
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OFFICE_NS = 'urn:oasis:names:tc:opendocument:xmlns:office:1.0'
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TABLE_NS = 'urn:oasis:names:tc:opendocument:xmlns:table:1.0'
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TEXT_NS = 'urn:oasis:names:tc:opendocument:xmlns:text:1.0'
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XLINK_NS = 'http://www.w3.org/1999/xlink'
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class Workbook(object):
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def __init__(self, encoding='utf-8'):
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self.sheets = []
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self.encoding = encoding
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def add_sheet(self, name):
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sheet = WorkSheet(self, name)
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self.sheets.append(sheet)
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return sheet
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def get_node(self):
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root = ET.Element('{%s}document-content' % OFFICE_NS)
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ET.SubElement(root, '{%s}scripts' % OFFICE_NS)
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ET.SubElement(root, '{%s}font-face-decls' % OFFICE_NS)
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body = ET.SubElement(root, '{%s}body' % OFFICE_NS)
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spreadsheet = ET.SubElement(body, '{%s}spreadsheet' % OFFICE_NS)
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for sheet in self.sheets:
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spreadsheet.append(sheet.get_node())
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return root
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def get_data(self):
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return ET.tostring(self.get_node(), 'utf-8')
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def save(self, output):
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z = zipfile.ZipFile(output, 'w')
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z.writestr('content.xml', self.get_data())
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z.writestr('mimetype', 'application/vnd.oasis.opendocument.spreadsheet')
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z.writestr('META-INF/manifest.xml', '''<?xml version="1.0" encoding="UTF-8"?>
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<manifest:manifest xmlns:manifest="urn:oasis:names:tc:opendocument:xmlns:manifest:1.0">
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<manifest:file-entry manifest:full-path="/" manifest:media-type="application/vnd.oasis.opendocument.spreadsheet"/>
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<manifest:file-entry manifest:full-path="styles.xml" manifest:media-type="text/xml"/>
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<manifest:file-entry manifest:full-path="content.xml" manifest:media-type="text/xml"/>
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<manifest:file-entry manifest:full-path="META-INF/manifest.xml" manifest:media-type="text/xml"/>
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<manifest:file-entry manifest:full-path="mimetype" manifest:media-type="text/plain"/>
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</manifest:manifest>''')
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z.writestr('styles.xml', '''<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
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<office:document-styles xmlns:office="urn:oasis:names:tc:opendocument:xmlns:office:1.0">
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</office:document-styles>''')
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z.close()
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class WorkSheet(object):
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def __init__(self, workbook, name):
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self.cells = {}
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self.name = name
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self.workbook = workbook
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def write(self, row, column, value, hint=None):
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if not row in self.cells:
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self.cells[row] = {}
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self.cells[row][column] = WorkCell(self, value, hint=hint)
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def get_node(self):
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root = ET.Element('{%s}table' % TABLE_NS)
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root.attrib['{%s}name' % TABLE_NS] = self.name
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ET.SubElement(root, '{%s}table-column' % TABLE_NS)
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for i in range(0, max(self.cells.keys())+1):
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row = ET.SubElement(root, '{%s}table-row' % TABLE_NS)
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for j in range(0, max(self.cells.get(i).keys())+1):
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cell = self.cells.get(i, {}).get(j, None)
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if not cell:
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ET.SubElement(row, '{%s}table-cell' % TABLE_NS)
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else:
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row.append(cell.get_node())
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return root
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class WorkCell(object):
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def __init__(self, worksheet, value, hint=None):
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if value is None:
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value = ''
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if type(value) is not unicode:
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value = unicode(value, 'utf-8')
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self.value = value
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self.worksheet = worksheet
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self.hint = hint
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def get_node(self):
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root = ET.Element('{%s}table-cell' % TABLE_NS)
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root.attrib['{%s}value-type' % OFFICE_NS] = 'string'
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p = ET.SubElement(root, '{%s}p' % TEXT_NS)
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if self.hint == 'uri':
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base_filename = self.value.split('/')[-1]
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if base_filename:
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a = ET.SubElement(p, '{%s}a' % TEXT_NS)
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a.attrib['{%s}href' % XLINK_NS] = self.value
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a.text = base_filename
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return root
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p.text = self.value
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return root
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