X-Git-Url: https://scm.cri.minesparis.psl.eu/git/Photo.git/blobdiff_plain/b0a7e10b4f32cf74864bb53268ca4d3080f23bc0..6c41809185e322ce2d30e98234f71144f78f06c0:/xmp.py?ds=inline

diff --git a/xmp.py b/xmp.py
deleted file mode 100755
index 8738e50..0000000
--- a/xmp.py
+++ /dev/null
@@ -1,189 +0,0 @@
-# -*- coding: utf-8 -*-
-#######################################################################################
-#   Photo is a part of Plinn - http://plinn.org                                       #
-#   Copyright © 2008  Benoît PIN <benoit.pin@ensmp.fr>                                #
-#                                                                                     #
-#   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                    #
-#   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.   #
-#######################################################################################
-# 
-# 
-
-from types import StringTypes
-from logging import getLogger
-import re
-console = getLogger('Photo.xmp')
-
-class XMP(object) :
-	XMP_HEADER = u'<?xpacket begin="\ufeff" id="W5M0MpCehiHzreSzNTczkc9d"?>'
-	XMP_HEADER_PATTERN = u'''<\?xpacket begin=['"]\ufeff['"] id=['"]W5M0MpCehiHzreSzNTczkc9d['"][^\?]*\?>'''
-	XMP_PADDING_LINE = u'\u0020' * 63 + u'\n'
-	XMP_TRAILER = u'<?xpacket end="w"?>'
-
-	_readers = {}
-	_writers = {}
-
-	
-	
-	def __init__(self, file, content_type='image/jpeg', encoding='utf-8') :
-		try :
-			self.reader = self._readers[content_type]
-		except KeyError:
-			raise NotImplementedError, "%r content type not supported by XMP" % content_type
-		
-		try :
-			self.writer = self._writers[content_type]
-		except KeyError :
-			self.writer = None
-			console.info('XMP file opened on read-only mode.')
-		
-		self.file = file
-		self.encoding = encoding
-		self.xmp = None
-		self._open()
-	
-
-	def __del__(self) :
-		try :
-			self.file.close()
-		except :
-			pass
-	
-
-	def _open(self) :
-
-		if type(self.file) in StringTypes :
-			self.file = file(self.file)
-
-		packet = self.reader(self.file)
-		
-		if packet is not None :
-			# tests / unwrap
-			reEncodedHeader = re.compile(self.XMP_HEADER_PATTERN.encode(self.encoding))
-			m = reEncodedHeader.match(packet)
-			if m is None :
-				console.warn('XMP packet wrapper not found')
-				self.xmp = packet
-				return
-
-			xmp = packet[m.end():]
-			trailer = self.XMP_TRAILER[:-6].encode(self.encoding)  # TODO handle read-only mode
-			trailerPos = xmp.find(trailer)
-			assert trailerPos != -1, "No xmp trailer found"
-		
-			xmp = xmp[:trailerPos]
-			xmp = xmp.strip()
-			self.xmp = xmp
-		else :
-			self.xmp = None
-	
-	def save(self, f=None):
-		original = self.file
-		if f :
-			if type(f) in StringTypes :
-				new = file(f, 'w')
-			else :
-				new = f
-		elif f is None :
-			new = self.file
-		
-		self.writer(original, new, self.xmp)
-				
-	
-	def getXMP(self) :
-		return self.xmp
-	
-	
-	def setXMP(self, xmp) :
-		self.xmp = xmp
-
-	#
-	# xmp utils
-	#
-	
-	@staticmethod
-	def getXmpPadding(size) :
-		# size of trailer in kB
-		return (XMP.XMP_PADDING_LINE * 32 * size)
-	
-	
-	@staticmethod
-	def genXMPPacket(uXmpData, paddingSize):
-		packet = u''
-
-		packet += XMP.XMP_HEADER
-		packet += uXmpData
-		packet += XMP.getXmpPadding(paddingSize)
-		packet += XMP.XMP_TRAILER
-
-		return packet
-	
-
-	
-	#
-	# content type registry stuff
-	#
-	
-		
-	@classmethod
-	def registerReader(cls, content_type, reader) :
-		cls._readers[content_type] = reader
-
-	@classmethod
-	def registerWriter(cls, content_type, writer) :
-		cls._writers[content_type] = writer
-	
-	@classmethod
-	def registerWrapper(cls, content_type, wrapper) :
-		""" Registers specific wrapper to prepare data
-			for embedding xmp into specific content_type file.
-		"""
-		pass
-
-
-
-def test() :
-	from xml.dom.minidom import parse
-	data = parse('new.xmp').documentElement.toxml()
-
-	def test1() :
-		original = 'original.jpg'
-		modified = 'modified.jpg'
-	
-		x = XMP(original)
-		x.setXMP(data)
-		x.save(modified)
-
-	def test2() :
-		from cStringIO import StringIO
-		sio = StringIO()
-		sio.write(file('modified.jpg').read())
-		sio.seek(0)
-
-		x = XMP(sio)
-		x.setXMP(data)
-		x.save()
-		
-		f2 = open('modified2.jpg', 'w')
-		f2.write(sio.read())
-		f2.close()
-	
-	
-	test1()
-	test2()
-		
-
-		
-if __name__ == '__main__' :
-	test()