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Code: Alles auswählen

>python -u tk-images2thumbs0-0-4.py
  File "tk-images2thumbs0-0-4.py", line 36
    print "options: " options.thumb_height
                            ^
SyntaxError: invalid syntax

Code: Alles auswählen

#!/usr/bin/python
# -*- encoding: latin-1 -*-

import sys, os, Image, optparse


__VERSION__ = "0.0.3"


def parse_options():
    """
    parses and returns commandline options
    """

    #Usage-Text angeben und Parser-Objekt erzeugen
    usage = "\n    %prog [thumb_height] \n\n" + \
            "    generates a thumbnail for every pic in a folder \n" + \
            "    by Sebastian Koch 2004 "
    version = "%prog " + __VERSION__
    parser = OptionParser(usage = usage, version = version)

    parser.add_option("-y", "--thumb_height",
        action="store", type="int", dest="thumb_height", default = 100,
        help = "(in pixel) used to calculate thumb_width by aspectratio of inputpic --> default = 100" )

    #parse options
    (options, args) = parser.parse_args()

    # shows help if there are no arguments  
    if len(args) == 0:
        parser.print_help()
        # sys.exit(0) # stop the programm.
    #just for testing ------------------------------------------- [1]
    else:
        print "options: " options.thumb_height 

    return (options, args)


def create_thumb(file_full_path, thumb_height):
    """ creates a thumb of a pic by a given height with original aspectratio
        Paramters:
            file_full_path = path/to/file.ext
            thumb_height =  (in pixel) used to calculate thumb_width by aspectratio of inputpic
    """

    no_extension = os.path.splitext(file_full_path)[0]

    im = Image.open(file_full_path)
    original_width, original_height = im.size
    thumb_width = thumb_height * original_width / original_height
    im.thumbnail((thumb_width, thumb_height), Image.ANTIALIAS)
    im.save(no_extension + "-thumb.jpg", "JPEG")

    print "Thumb created:"
    print "--> " + no_extension+ "-thumb.jpg"


def every_image_in_folder(input_folder, thumb_height):
    """ walks through a given folder and calls create_thumb() for every image
        Paramters:
            inputfolder = folder with original pics
            thumb_height = used to call create_thumb()
    """
    for this_file in os.listdir(input_folder):
        create_thumb(os.path.join(input_folder, this_file), thumb_height)


def main():

    #Optionen und Argumente parsen
    #(options, args) = parse_options()
    #print "options-in-main: " options.thumb_height #------------------------------------------- [2]

    pic_search_path = "/home/sabba/in/pic/"

    every_image_in_folder(pic_search_path, thumb_height=100)

if __name__ == '__main__':
    main()

Code: Alles auswählen

def parse_options():
    """parses and returns commandline options"""

    #Usage-Text angeben und Parser-Objekt erzeugen
    usage = "\n    %prog [thumb_height] \n\n" + \
            "    generates a thumbnail for every pic in a folder \n" + \
            "    by Sebastian Koch 2004 "
    version = "%prog " + __VERSION__
    parser = optparse.OptionParser(usage = usage, version = version)

    parser.add_option("-y", "--thumb_height",
        action="store", type="int", dest="thumb_height", default = 100,
        help = "(in pixel) used to calculate thumb_width by aspectratio of inputpic --> default = 100" )

    #parse options
    (options, args) = parser.parse_args()

    # shows help if there are no arguments 
    if len(args) == 0:
        parser.print_help()
        # sys.exit(0) # stop the programm.
    #just for testing ------------------------------------------- [1]
    else:
        print "options: ", options.thumb_height

    return (options, args)

Code: Alles auswählen

def parse_options():
    ...
    # shows help if there are no arguments 
    if len(args) == 0: 
        parser.print_help() 
        # sys.exit(0) # stop the programm. 
    #just for testing ------------------------------------------- [1] 
    else: 
        print "options: ", options.thumb_height

Code: Alles auswählen

def parse_options():
    """parses and returns commandline options"""

    #Usage-Text angeben und Parser-Objekt erzeugen
    usage = "\n    %prog [thumb_height] \n\n" + \
            "    generates a thumbnail for every pic in a folder \n" + \
            "    by Sebastian Koch 2005 "
    version = "%prog " + __version__
    parser = optparse.OptionParser(usage = usage, version = version)

    parser.add_option("-y", "--thumb_height",
        action="store", type="int", dest="thumb_height", default = 100,
        help = "(in pixel) used to calculate thumb_width by aspectratio of inputpic --> default = 100" )

    #parse options
    (options, args) = parser.parse_args()

    # shows help if there are no arguments 
    if len(sys.argv) <= 1:
        parser.print_help()
        # sys.exit(0) # stop the programm.
    #just for testing ------------------------------------------- [1]
    else:
        print "options: ", options.thumb_height

    return (options, args)

Code: Alles auswählen

TypeError: cannot concatenate 'str' and 'list' objects

Code: Alles auswählen

#!/usr/bin/python
# -*- encoding: latin-1 -*-

import sys, os, Image, optparse, string

def parse_options():

# ... gekürzt

    # create parser object
    parser = optparse.OptionParser()

# ... gekürzt

    parser.add_option("-p", "--pic_list",
        action="store", 
        type="??????", # <----------------------- [1]
        dest="pic_list",
        default = ["jpg", "jpeg", "jp2", "png", "gif", "bmp", "tiff"],
        help = "Image format that will be processed \n --> default = jpg, jpeg, jp2, png, gif, bmp, tiff")


# ... gekürzt

def main():
    #Optionen und Argumente parsen
    (options, args) = parse_options()

    every_image_in_folder(options.pic_search_directory, options.thumb_height, options.pic_list)



if __name__ == '__main__':
    main()

Code: Alles auswählen

#!/usr/bin/python
# -*- encoding: latin-1 -*-

import sys, os, optparse

def parse_options():
    parser = optparse.OptionParser()

    parser.add_option("-p", "--pic_list",
        action="store",
        type="string", # <----------------------- [1]
        dest="pic_list",
        default = "jpg, jpeg, jp2, png, gif, bmp, tiff",
        help = "Image format that will be processed \n --> default = jpg, jpeg, jp2, png, gif, bmp, tiff")
    (options, args) = parser.parse_args()
    options.pic_list = options.pic_list.split(',')
    print options.pic_list

def main():
    parse_options()

if __name__ == '__main__':
    main()

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for this_file in os.listdir(input_folder): 
        if os.path.isfile(os.path.join(input_folder, this_file)) == 1:
        ...
        else: 
            print "\n! " + os.path.join(input_folder, this_file) + " is a folder not a file"

Code: Alles auswählen

#!/usr/bin/python
# -*- encoding: latin-1 -*-

import sys, os, Image, optparse, string


__version__ = "0.0.5"



def parse_options():
    """
    parses and returns commandline options
    """
    #define usage-text
    usage = "\n    %prog [thumb_height] \n\n" + \
            "    Description: \n" + \
            "    Generates a thumbnail for every pic in a folder \n" + \
            "    by Sebastian Koch 2004 "
    version = "%prog " + __version__

    # create parser object
    parser = optparse.OptionParser(usage = usage, version = version)

    parser.add_option("-y", "--thumb_height",
        action="store", type="int", dest="thumb_height", default = 100,
        help = "(in pixel) used to calculate thumb_width by aspectratio of inputpic --> default = 100")


    parser.add_option("-p", "--pic_list",
        action = "store", type = "string", dest = "pic_list", default = "jpg,jpeg,jp2,png,gif,bmp,tiff",
        help = "Image format that will be processed --> default = jpg, jpeg, jp2, png, gif, bmp, tiff")

    parser.add_option("-d", "--directory",
        action="store", type="string", dest="pic_search_directory", default = os.getcwd(),
        help = "Path where the pictures lay to be 'thumbnaild' --> default = current working directory")


    #parse options
    (options, args) = parser.parse_args()

    options.pic_list = options.pic_list.split(',')
    #print options.pic_list

    if len(sys.argv) <=1:
        print "Running without Arguments by using following defaults:"
        print "-->Thumb_heigt = 100,  pic_list = jpg, jpeg, jp2, png, gif, bmp, tiff"
        print "--> pic_search_directory = ", os.getcwd(), "\n"
        print "For help run: ", sys.argv[0], "-h or --help \n\n"
    else:
        #print "height used for thumbgenerating: ", options.thumb_height
        print "For help run: ", sys.argv[0], "-h or --help \n\n"

    return (options, args)



def create_thumb(file_full_path, thumb_height):
    """ creates a thumb of a pic by a given height with original aspectratio
        Paramters:
            file_full_path = path/to/file.ext
            thumb_height =  (in pixel) used to calculate thumb_width by aspectratio of inputpic
    """
    no_extension = os.path.splitext(file_full_path)[0]

    im = Image.open(file_full_path)
    original_width, original_height = im.size
    thumb_width = thumb_height * original_width / original_height
    im.thumbnail((thumb_width, thumb_height), Image.ANTIALIAS)
    im.save(no_extension + "-thumb.jpg", "JPEG")

    print "\n" + "-"*10 + " Thumb created:"
    print "height x width: " +"[Original:", original_height, "x", original_width, "] -" + " [Thumb:", thumb_height, "x", thumb_width,  "]"
    print "--> " + no_extension+ "-thumb.jpg "



def every_image_in_folder(input_folder, thumb_height, pic_list):
    """ walks through a given folder and calls create_thumb() for every image
        Paramters:
            inputfolder = folder with original pics
            thumb_height = used to call create_thumb()
    """
    for this_file in os.listdir(input_folder):
        if os.path.isfile(os.path.join(input_folder, this_file)) == 1: <------------------------------------[1]
            if string.lower(os.path.splitext(this_file)[1][1:]) in pic_list:
                create_thumb(os.path.join(input_folder, this_file), thumb_height)
            else:
                print "! " + this_file + " is not a pic! Or not defined in the pic_list"
        else:
            print "\n! " + os.path.join(input_folder, this_file) + " is a folder not a file"



def main():
    #parse options and arguments
    (options, args) = parse_options()

    every_image_in_folder(options.pic_search_directory, options.thumb_height, options.pic_list)



if __name__ == '__main__':
    main()