/usr/share/pyshared/kaa/metadata/image/core.py is in python-kaa-metadata 0.7.7+svn4596-4.
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# -----------------------------------------------------------------------------
# core.py - basic image class
# -----------------------------------------------------------------------------
# $Id: core.py 4041 2009-05-22 14:59:59Z tack $
#
# -----------------------------------------------------------------------------
# kaa-Metadata - Media Metadata for Python
# Copyright (C) 2003-2006 Thomas Schueppel, Dirk Meyer
#
# First Edition: Thomas Schueppel <stain@acm.org>
# Maintainer: Dirk Meyer <dischi@freevo.org>
#
# Please see the file AUTHORS for a complete list of authors.
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 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 MER-
# CHANTABILITY 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.,
# 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
#
# -----------------------------------------------------------------------------
# python imports
import os
import sys
import logging
import xml.sax
# kaa.metadata imports
from kaa.metadata.core import ParseError, Media, MEDIA_IMAGE
# get logging object
log = logging.getLogger('metadata')
# attributes for image files
ATTRIBUTES = ['description', 'people', 'location', 'event', 'width', 'height',
'thumbnail','software','hardware', 'dpi', 'city', 'rotation', 'author' ]
class BinsParser(xml.sax.ContentHandler):
def __init__(self, filename):
xml.sax.ContentHandler.__init__(self)
self.mode = 0
self.var = None
self.dict = {}
parser = xml.sax.make_parser()
parser.setContentHandler(self)
try:
parser.parse(filename)
except ParseError:
pass
except Exception, e:
log.exception('bins parser')
def items(self):
return self.dict.items()
def startElement(self, name, attr):
if self.mode == 0:
if name not in ('album', 'image'):
raise ParseError
self.mode = 1
if self.mode == 2 and name == 'field':
self.var = attr['name']
self.chars = ''
if self.mode == 1 and name == 'description':
self.mode = 2
def endElement(self, name):
if self.mode == 2 and name == 'description':
self.mode = 1
if self.var:
value = self.chars.strip()
if value:
self.dict[self.var] = value
self.var = None
def characters(self, c):
if self.var:
self.chars += c
class Image(Media):
"""
Digital Images, Photos, Pictures.
"""
_keys = Media._keys + ATTRIBUTES
media = MEDIA_IMAGE
def _finalize(self):
"""
Add additional information and correct data.
FIXME: parse_external_files here is very wrong
"""
if self.url and self.url.startswith('file://'):
self.parse_external_files(self.url[7:])
Media._finalize(self)
def parse_external_files(self, filename):
"""
Parse external files like bins and .comments.
"""
# Parse bins xml files
binsxml = filename + '.xml'
if os.path.isfile(binsxml):
bins = BinsParser(binsxml)
for key, value in bins.items():
self._set(key, value)
# FIXME: this doesn't work anymore
comment_file = os.path.join(os.path.dirname(filename), '.comments',
os.path.basename(filename) + '.xml')
if not os.path.isfile(comment_file) or 1:
return
# FIXME: replace kaa.xml stuff with sax or minidom
doc = xml.Document(comment_file, 'Comment')
for child in doc.children:
if child.name == 'Place':
self.location = child.content
if child.name == 'Note':
self.description = child.content
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