def first_object(self):
"""
First image in a sequence
@return: file_object
"""
return FilenameObject(self.first())
def current_object(self):
"""
Current image in sequence
@return: file_object
"""
return FilenameObject(self.current())
def jump_object(self, num):
"""
Jump to and read image
@return: file_object
"""
return FilenameObject(self.jump(num))
def previous_object(self):
"""
Return the previous image
@return: file_object
"""
return FilenameObject(self.previous())
def next_object(self):
"""
Return the next image
@return: file_object
"""
return FilenameObject(self.next())
def last_object(self):
"""
Last image in a sequence
@return: file_object
"""
return FilenameObject(self.last())
def __init__(self, filename):
""" create from a filename (String)"""
self.obj = FilenameObject(filename)
filename = ":".join(col_split[:-1])
try:
imo = fabioimage()
byts = imo._open(filename).read(18)
filetype = do_magic(byts)
if filetype == "marccd" and filename.find("mccd") == -1:
# Cannot see a way around this. Need to find something
# to distinguish mccd from regular tif...
filetype = "tif"
except IOError, error:
logger.error("%s: File probably does not exist", error)
raise error
except:
try:
file_obj = FilenameObject(filename=filename)
if file_obj == None:
raise Exception("Unable to deconstruct filename")
if (file_obj.format is not None) and\
len(file_obj.format) != 1 and \
type(file_obj.format) != type(["list"]):
# one of OXD/ ADSC - should have got in previous
raise Exception("openimage failed on magic bytes & name guess")
filetype = file_obj.format
#UNUSED filenumber = file_obj.num
except Exception, error:
logger.error(error)
import traceback
traceback.print_exc()
raise Exception("Fabio could not identify " + filename)
klass_name = "".join(filetype) + 'image'
