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#!/usr/bin/python
# -*- coding: utf-8 -*-
# Copyright (C) 2013-2015 Étienne Loks <etienne.loks_AT_peacefrogsDOTnet>
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as
# published by the Free Software Foundation, either version 3 of the
# License, or (at your option) any later version.
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU Affero General Public License for more details.
# You should have received a copy of the GNU Affero General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
# See the file COPYING for details.
import locale
import re
from zipfile import ZipFile, ZIP_DEFLATED
from cStringIO import StringIO
from xml.etree.cElementTree import ElementTree, fromstring
from django.conf import settings
from ooo_translation import ooo_translation
def translate_context(context, locale):
if locale not in ooo_translation:
return context
new_context = {}
for k in context:
new_key = k
if k in ooo_translation[locale]:
new_key = ooo_translation[locale][k]
new_context[new_key] = context[k]
return new_context
OOO_NS = "{urn:oasis:names:tc:opendocument:xmlns:text:1.0}"
def _set_value_from_formula(value, context, default_value):
value = value.strip()
if value.startswith("ooow:") and len(value) >= 5:
value = value[5:]
if value.startswith('"') and value.endswith('"') and len(value) > 1:
value = value[1:-1]
elif value in context:
value = _format_value(context[value], default_value)
else:
value = None
return value
def _parse_condition(condition, context, default_value):
# parse only == and != operator
operator = ""
if "!=" in condition:
operator = "!="
elif "==" in condition:
operator = "=="
else:
return
var1, var2 = condition.split(operator)
var1 = _set_value_from_formula(var1, context, default_value)
var2 = _set_value_from_formula(var2, context, default_value)
res = var1 == var2
if operator == '!=':
res = not res
return res
def _format_value(value, default_value):
if hasattr(value, 'strftime'):
c_locale = settings.LANGUAGE_CODE.split('-')
if len(c_locale) == 2:
c_locale[1] = c_locale[1].upper()
c_locale = "_".join(c_locale)
if locale.getlocale()[0] != c_locale:
for loc in (c_locale, c_locale + '.utf8'):
try:
locale.setlocale(locale.LC_ALL, loc)
break
except:
pass
try:
if settings.DATE_FORMAT:
value = value.strftime(settings.DATE_FORMAT).lower()
else:
value = value.strftime('%x')
except ValueError:
value = unicode(value)
if locale.getlocale()[1]:
value = value.decode(locale.getlocale()[1])
value = unicode(value) if value else default_value
return value
VAR_EXPR = u"###%sVAR %s###"
WHOLE_KEY_FILTER = u"((?:(?: )*(?:<[^#>]*>)*(?: )*(?:[-a-zA-Z0-9_])*(?: )*)*)"
WHOLE_KEY_FILTER = u"([^#]*)"
RE_VAR = re.compile(VAR_EXPR % (WHOLE_KEY_FILTER, WHOLE_KEY_FILTER))
IF_EXPR = u"###%sIF %s###(.*)###ENDIF###"
RE_IF = re.compile(IF_EXPR % (WHOLE_KEY_FILTER, WHOLE_KEY_FILTER))
TAG_FILTER = re.compile(u"(<[^<^>]*>)")
KEY_FILTER = re.compile(u"([-a-zA-Z0-9_]*)")
def _filter_key(base_key):
# return (key, extra_marker)
# manage strange key such as:
# test_<text:span text:style-name="T1">date</text:span>
key = base_key[:]
key = key.strip()
tags, new_key = '', key[:]
for tag in TAG_FILTER.findall(key):
tags += tag
new_key = new_key.replace(tag, '')
full_key = ''
for k in KEY_FILTER.findall(new_key):
if not k:
continue
full_key += k
return full_key, tags
def _custom_parsing(context, value, default_value=''):
"""
###VAR nom_var### for displaying a variable name
###IF nom_var### ###ENDIF### for conditionnal display
Be carreful nested condition are not yet managed!
"""
for regexp, sub_exp, if_cond in ((RE_IF, IF_EXPR, True),
(RE_VAR, VAR_EXPR, False)):
for base_key in regexp.findall(value[:]):
v, val = "", None
if if_cond: # the value inside the if is parsed
pre_tag, base_key, val = base_key
else:
pre_tag, base_key = base_key
key, extra_markers = _filter_key(base_key)
v = ''
if pre_tag:
v = pre_tag
if key in context and context[key]:
if if_cond:
v += _custom_parsing(context, val, default_value)
else:
v += _format_value(context[key], default_value)
# to preserve a consistent OOO file put extra_markers
if extra_markers:
v += extra_markers
value = re.sub(sub_exp % (pre_tag, base_key), v, value)
return value
def _ooo_replace(content, context, missing_keys, default_value=''):
# regular ooo parsing
for xp in ('variable-set', 'variable-get'):
for p in content.findall(".//" + OOO_NS + xp):
name = p.get(OOO_NS + "name")
if name in context:
value = context[name]
p.text = _format_value(value, default_value)
else:
if default_value is not None:
p.text = default_value
missing_keys.add(name)
for p in content.findall(".//" + OOO_NS + "conditional-text"):
condition = p.get(OOO_NS + "condition")
res = 'true' if _parse_condition(condition, context, default_value) \
else 'false'
value = p.get(OOO_NS + 'string-value-if-' + res)
value = _format_value(value, default_value)
if value.strip() in context:
value = context[value.strip()]
p.text = value
# raw content parsing
str_io = StringIO()
content.write(str_io)
value = str_io.getvalue()
value = _custom_parsing(context, value, default_value).encode('utf-8')
return value
def ooo_replace(infile, outfile, context, default_value=''):
inzip = ZipFile(infile, 'r', ZIP_DEFLATED)
outzip = ZipFile(outfile, 'w', ZIP_DEFLATED)
values = {}
missing_keys = set()
for xml_file in ('content.xml', 'styles.xml'):
content = ElementTree(fromstring(inzip.read(xml_file)))
values[xml_file] = _ooo_replace(content, context, missing_keys,
default_value)
for f in inzip.infolist():
if f.filename in values:
outzip.writestr(f.filename, values[f.filename])
else:
outzip.writestr(f, inzip.read(f.filename))
inzip.close()
outzip.close()
return missing_keys
if __name__ == '__main__':
infile = "../archaeological_files/tests/"\
"AR_dossier_DRAC_modele_ishtar_1-MOD.odt"
outfile = "../archaeological_files/tests/"\
"AR_dossier_DRAC_modele_ishtar-test.odt"
rep = {"file_incharge_surname": u"Yann",
"file_incharge_name": u"Le Jeune",
"fileact_ref": u"ref"}
ooo_replace(infile, outfile, rep, default_value="")
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