started testing a reversable hash (base64), gid.py now runnable form the command line and supports different GUID formats (sha/base64/text)...

Signed-off-by: Alex A. Naanou <alex.nanou@gmail.com>

gid.py

@@ -1,7 +1,7 @@
 #=======================================================================
 
 __version__ = '''0.0.01'''
-__sub_version__ = '''20130319145754'''
+__sub_version__ = '''20130322142905'''
 __copyright__ = '''(c) Alex A. Naanou 2011'''
 
 
@@ -10,6 +10,7 @@ __copyright__ = '''(c) Alex A. Naanou 2011'''
 import os
 import sha
 import md5
+import base64
 import time
 
 import pyexiv2 as metadata
@@ -30,7 +31,7 @@ def image_gid(path, date=None,
 		date_format='%Y%m%d-%H%M%S', 
 		default_artist='Unknown',
 		use_ctime=False,
-		hash_func=sha.sha):
+		hash_func=lambda s: sha.sha(s).hexdigest()):
 	'''
 	Calculate image GID.
 
@@ -76,7 +77,8 @@ def image_gid(path, date=None,
 			date = os.path.getctime(path)
 			data['date'] = time.strftime(date_format, time.gmtime(date))
 		else:
-			date = i['Exif.Image.DateTime'].value
+##			date = i['Exif.Image.DateTime'].value
+			date = i['Exif.Photo.DateTimeOriginal'].value
 			data['date'] = date.strftime(date_format)
 	# check if we need an artist...
 	if '%(artist)s' in format:
@@ -88,15 +90,53 @@ def image_gid(path, date=None,
 				pass
 	
 	if hash_func is not None:
-		return hash_func(format % data).hexdigest()
+		return hash_func(format % data)
 	return format % data
 
 
 
 #-----------------------------------------------------------------------
 if __name__ == '__main__':
-	pass
+	from optparse import OptionParser
 
+	parser = OptionParser()
+
+	##!!! need to define the path so that it shoes up in -h
+
+	parser.add_option('-t', '--text',
+						dest='format',
+						action='store_const',
+						const='text',
+						default='sha',
+						help='output GUID in base64 format.')
+	parser.add_option('-b', '--base64',
+						dest='format',
+						action='store_const',
+						const='base64',
+						default='sha',
+						help='output GUID in text format.')
+	parser.add_option('-s', '--sha',
+						dest='format',
+						action='store_const',
+						const='sha',
+						default='sha',
+						help='output GUID in sha format.')
+
+	options, args = parser.parse_args()
+
+	if len(args) != 1:
+		parser.print_usage()
+	else:
+		IN_PATH = args[0]
+		IN_PATH = IN_PATH.replace('\\', '/')
+
+		if options.format == 'text':
+			print image_gid(IN_PATH, hash_func=None)
+		elif options.format == 'base64':
+			# also remove the trailing \n...
+			print image_gid(IN_PATH, hash_func=lambda s: base64.encodestring(s).strip())
+		else:
+			print image_gid(IN_PATH)
 
 
 

index2.py

@@ -1,7 +1,7 @@
 #=======================================================================
 
 __version__ = '''0.0.01'''
-__sub_version__ = '''20130319002125'''
+__sub_version__ = '''20130319151025'''
 __copyright__ = '''(c) Alex A. Naanou 2011'''
 
 
@@ -245,6 +245,7 @@ def gid_index(index, existing=None):
 			# get file GID...
 			GID = image_gid('%s.%s' % (os.path.join(*[config['ARCHIVE_ROOT']] + raw[0] + [raw[1]]), raw[2]))
 
+			##!!! normalize the image format...
 			res[GID] = {
 				'gid': GID,
 				'name': name,

store.py

@@ -1,7 +1,7 @@
 #=======================================================================
 
 __version__ = '''0.0.01'''
-__sub_version__ = '''20120316182131'''
+__sub_version__ = '''20130319150549'''
 __copyright__ = '''(c) Alex A. Naanou 2011'''
 
 
@@ -168,7 +168,7 @@ class Index(mapping.Mapping):
 		pack_ext = self.__pack_ext__
 ##		file_name = name + ext
 		locations = self.__locations__(name)
-		# look of the file directly...
+		# look for the file directly...
 		for n in locations:
 			if os.path.exists(os.path.join(self._path, n)):
 				return json.load(file(os.path.join(self._path, n)))