/usr/bin/odfmeta is in python-odf-tools 1.3.4+dfsg-1.
This file is owned by root:root, with mode 0o755.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 | #!/usr/bin/python3
# -*- coding: utf-8 -*-
# Copyright (C) 2006-2009 Søren Roug, European Environment Agency
#
# This is free software. You may redistribute it under the terms
# of the Apache license and the GNU General Public License Version
# 2 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 General Public License for more details.
#
# You should have received a copy of the GNU General Public
# License along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
#
# Contributor(s):
#
import zipfile, time, sys, getopt, re
import xml.sax, xml.sax.saxutils
from odf.namespaces import TOOLSVERSION, OFFICENS, XLINKNS, DCNS, METANS
from io import BytesIO
OUTENCODING="utf-8"
whitespace = re.compile(r'\s+')
fields = {
'title': (DCNS,u'title'),
'description': (DCNS,u'description'),
'subject': (DCNS,u'subject'),
'creator': (DCNS,u'creator'),
'date': (DCNS,u'date'),
'language': (DCNS,u'language'),
'generator': (METANS,u'generator'),
'initial-creator': (METANS,u'initial-creator'),
'keyword': (METANS,u'keyword'),
'editing-duration': (METANS,u'editing-duration'),
'editing-cycles': (METANS,u'editing-cycles'),
'printed-by': (METANS,u'printed-by'),
'print-date': (METANS,u'print-date'),
'creation-date': (METANS,u'creation-date'),
'user-defined': (METANS,u'user-defined'),
#'template': (METANS,u'template'),
}
xfields = []
Xfields = []
addfields = {}
deletefields = {}
yieldfields = {}
showversion = None
def exitwithusage(exitcode=2):
""" print out usage information """
sys.stderr.write("Usage: %s [-cdlvV] [-xXaAI metafield]... [-o output] [inputfile]\n" % sys.argv[0])
sys.stderr.write("\tInputfile must be OpenDocument format\n")
sys.exit(exitcode)
def normalize(str):
"""
The normalize-space function returns the argument string with whitespace
normalized by stripping leading and trailing whitespace and replacing
sequences of whitespace characters by a single space.
"""
return whitespace.sub(' ', str).strip()
class MetaCollector:
"""
The MetaCollector is a pseudo file object, that can temporarily ignore write-calls
It could probably be replaced with a StringIO object.
"""
def __init__(self):
self._content = []
self.dowrite = True
def write(self, str):
if self.dowrite:
self._content.append(str)
def content(self):
return ''.join(self._content)
base = xml.sax.saxutils.XMLGenerator
class odfmetaparser(base):
""" Parse a meta.xml file with an event-driven parser and replace elements.
It would probably be a cleaner approach to use a DOM based parser and
then manipulate in memory.
Small issue: Reorders elements
"""
version = 'Unknown'
def __init__(self):
self._mimetype = ''
self.output = MetaCollector()
self._data = []
self.seenfields = {}
base.__init__(self, self.output, OUTENCODING)
def startElementNS(self, name, qname, attrs):
self._data = []
field = name
# I can't modify the template until the tool replaces elements at the same
# location and not at the end
# if name == (METANS,u'template'):
# self._data = [attrs.get((XLINKNS,u'title'),'')]
if showversion and name == (OFFICENS,u'document-meta'):
if showversion == '-V':
print ("version:%s" % attrs.get((OFFICENS,u'version'),'Unknown').decode('utf-8'))
else:
print ("%s" % attrs.get((OFFICENS,u'version'),'Unknown').decode('utf-8'))
if name == (METANS,u'user-defined'):
field = attrs.get((METANS,u'name'))
if field in deletefields:
self.output.dowrite = False
elif field in yieldfields:
del addfields[field]
base.startElementNS(self, name, qname, attrs)
else:
base.startElementNS(self, name, qname, attrs)
self._tag = field
def endElementNS(self, name, qname):
field = name
if name == (METANS,u'user-defined'):
field = self._tag
if name == (OFFICENS,u'meta'):
for k,v in addfields.items():
if len(v) > 0:
if type(k) == type(''):
base.startElementNS(self,(METANS,u'user-defined'),None,{(METANS,u'name'):k})
base.characters(self, v)
base.endElementNS(self, (METANS,u'user-defined'),None)
else:
base.startElementNS(self, k, None, {})
base.characters(self, v)
base.endElementNS(self, k, None)
if name in xfields:
print ("%s" % self.data())
if name in Xfields:
if isinstance(self._tag, tuple):
texttag = self._tag[1]
else:
texttag = self._tag
print ("%s:%s" % (texttag, self.data()))
if field in deletefields:
self.output.dowrite = True
else:
base.endElementNS(self, name, qname)
def characters(self, content):
base.characters(self, content)
self._data.append(content)
def meta(self):
return self.output.content()
def data(self):
if usenormalize:
return normalize(''.join(self._data))
else:
return ''.join(self._data)
now = time.localtime()[:6]
outputfile = "-"
writemeta = False # Do we change any meta data?
usenormalize = False
try:
opts, args = getopt.getopt(sys.argv[1:], "cdlvVI:A:a:o:x:X:")
except getopt.GetoptError:
exitwithusage()
if len(opts) == 0:
opts = [ ('-l','') ]
for o, a in opts:
if o in ('-a','-A','-I'):
writemeta = True
if a.find(":") >= 0:
k,v = a.split(":",1)
else:
k,v = (a, "")
if len(k) == 0:
exitwithusage()
k = fields.get(k,k)
addfields[k] = unicode(v,'utf-8')
if o == '-a':
yieldfields[k] = True
if o == '-I':
deletefields[k] = True
if o == '-d':
writemeta = True
addfields[(DCNS,u'date')] = "%04d-%02d-%02dT%02d:%02d:%02d" % now
deletefields[(DCNS,u'date')] = True
if o == '-c':
usenormalize = True
if o in ('-v', '-V'):
showversion = o
if o == '-l':
Xfields = fields.values()
if o == "-x":
xfields.append(fields.get(a,a))
if o == "-X":
Xfields.append(fields.get(a,a))
if o == "-o":
outputfile = a
# The specification says we should change the element to our own,
# and must not export the original identifier.
if writemeta:
addfields[(METANS,u'generator')] = TOOLSVERSION
deletefields[(METANS,u'generator')] = True
odfs = odfmetaparser()
parser = xml.sax.make_parser()
parser.setFeature(xml.sax.handler.feature_namespaces, 1)
parser.setContentHandler(odfs)
if len(args) == 0:
zin = zipfile.ZipFile(sys.stdin,'r')
else:
if not zipfile.is_zipfile(args[0]):
exitwithusage()
zin = zipfile.ZipFile(args[0], 'r')
try:
content = zin.read('meta.xml').decode('utf-8')
except:
sys.stderr.write("File has no meta data\n")
sys.exit(1)
parser.parse(BytesIO(content.encode('utf-8')))
if writemeta:
if outputfile == '-':
if sys.stdout.isatty():
sys.stderr.write("Won't write ODF file to terminal\n")
sys.exit(1)
zout = zipfile.ZipFile(sys.stdout,"w")
else:
zout = zipfile.ZipFile(outputfile,"w")
# Loop through the input zipfile and copy the content to the output until we
# get to the meta.xml. Then substitute.
for zinfo in zin.infolist():
if zinfo.filename == "meta.xml":
# Write meta
zi = zipfile.ZipInfo("meta.xml", now)
zi.compress_type = zipfile.ZIP_DEFLATED
zout.writestr(zi,odfs.meta() )
else:
payload = zin.read(zinfo.filename)
zout.writestr(zinfo, payload)
zout.close()
zin.close()
# Local Variables: ***
# mode: python ***
# End: ***
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