#!/usr/bin/python # -*- coding: ISO-8859-1 -*- """ makes thumbs with the PIL Last commit info: ---------------------------------- $LastChangedDate$ $Rev$ $Author$ Created by Jens Diemer license: GNU General Public License v2 or above http://www.opensource.org/licenses/gpl-license.php """ __version__= "$Rev$" import sys, os, time, fnmatch, urllib, string try: import Image, ImageFont, ImageDraw # PIL's Fehler "Suspension not allowed here" work around: # s. http://mail.python.org/pipermail/image-sig/1999-August/000816.html import ImageFile ImageFile.MAXBLOCK = 1000000 # default is 64k except ImportError: print "Import Error:" print "You must install PIL, The Python Image Library" print "http://www.pythonware.com/products/pil/index.htm" sys.exit() class thumb_maker_cfg: # Standardwerte path_to_convert = os.getcwd() path_output = path_to_convert make_thumbs = True thumb_size = (160, 120) thumb_suffix = "_thumb" make_smaller = False smaller_size = (640, 480) suffix = "_WEB" image_text = "" text_color = "#000000" jpegQuality = 85 clean_filenames = True rename_rules = [ (" ", "_"), ("ä", "ae"), ("ö", "oe"), ("ü", "ue"), ("Ä", "Ae"), ("Ö", "Oe"), ("Ü", "Ue"), ("ß", "ss"), ] class thumb_maker: def __init__(self, cfg): self.cfg = cfg self.skip_file_pattern = [ "*%s.*" % self.cfg.thumb_suffix, "*%s.*" % self.cfg.suffix ] def go(self): """ Aktion starten """ time_begin = time.time() if not os.path.isdir(self.cfg.path_output): print "Make output dir '%s'..." % self.cfg.path_output, try: os.makedirs(self.cfg.path_output) except Exception, e: print "Error!" print "Can't make ouput dir:", e sys.exit() else: print "OK" print "work path:", self.cfg.path_to_convert for root,dirs,files in os.walk(self.cfg.path_to_convert): print root print "_"*80 for file_name in files: abs_file = os.path.join(self.cfg.path_to_convert, root, file_name) self.process_file(abs_file) print "-"*80 print "all files converted in %0.2fsec." % (time.time() - time_begin) def process_file(self, abs_file): path, im_name = os.path.split(abs_file) print abs_file try: im_obj = Image.open(abs_file) except IOError: # Ist wohl kein Bild, oder unbekanntes Format #~ print "Not a image, skip.\n" return except OverflowError, e: print ">>> OverflowError: %s" % e print "Not a picture ? (...%s)" % abs_file[10:] print return print "%-40s - %4s %12s %s" % ( im_name, im_obj.format, im_obj.size, im_obj.mode ) if self.cfg.clean_filenames == True: # Dateinamen säubern im_name = self.clean_filename(im_name) # Kleinere Bilder für's Web erstellen if self.cfg.make_smaller == True: self.convert( im_obj = im_obj, im_path = self.cfg.path_output, im_name = im_name, suffix = self.cfg.suffix, size = self.cfg.smaller_size, text = self.cfg.image_text, color = self.cfg.text_color, ) # Thumbnails erstellen if self.cfg.make_thumbs == True: self.convert( im_obj = im_obj, im_path = self.cfg.path_output, im_name = im_name, suffix = self.cfg.thumb_suffix, size = self.cfg.thumb_size, ) print "-"*3 def convert(self, im_obj, # Das PIL-Image-Objekt im_path,# Der Pfad in dem das neue Bild gespeichert werden soll im_name,# Der vollständige Name der Source-Datei suffix, # Der Anhang für den Namen size, # Die max. größe des Bildes als Tuple text="",# Text der unten rechts ins Bild eingeblendet wird color="#00000", # Textfarbe ): """ Rechnet das Bild kleiner und fügt dazu den Text """ name, ext = os.path.splitext(im_name) out_name = name + suffix + ".jpg" out_abs_name = os.path.join(im_path, out_name) for skip_pattern in self.skip_file_pattern: if fnmatch.fnmatch(im_name, skip_pattern): #~ print "Skip file." return if os.path.isfile(out_abs_name): print "File '%s' exists! Skip." % out_name return print "resize (max %ix%i)..." % size, try: im_obj.thumbnail(size, Image.ANTIALIAS) except Exception, e: print ">>>Error: %s" % e return else: print "OK, real size %ix%i" % im_obj.size if im_obj.mode!="RGB": print "convert to RGB...", im_obj = im_obj.convert("RGB") print "OK" if text != "": # unter Linux ganzen Pfad angeben: font_obj = ImageFont.truetype('arial.ttf', 12) ImageDraw.Draw(im_obj).text( (10, 10), text, font=font_obj, fill=color ) print "save '%s'..." % out_name, try: im_obj.save( out_abs_name, "JPEG", quality=self.cfg.jpegQuality, optimize=True, progressive=False ) except Exception, e: print "ERROR:", e else: print "OK" def clean_filename(self, file_name): """ Dateinamen für's Web säubern """ if urllib.quote(file_name) == file_name: # Gibt nix zu ersetzten! return file_name fn, ext = os.path.splitext(file_name) for rule in self.cfg.rename_rules: fn = fn.replace(rule[0], rule[1]) allowed_chars = string.ascii_letters + string.digits allowed_chars += ".-_#" # Nur ASCII Zeichen erlauben und gleichzeitig trennen parts = [""] for char in fn: if not char in allowed_chars: parts.append("") else: parts[-1] += char # Erster Buchstabe immer groß geschrieben parts = [i[0].upper() + i[1:] for i in parts if i!=""] fn = "".join(parts) return fn + ext if __name__ == "__main__": thumb_maker_cfg.path_to_convert = r"D:\MyPics" thumb_maker_cfg.make_smaller = True #~ thumb_maker_cfg.make_smaller = False thumb_maker_cfg.smaller_size = (960, 600) thumb_maker_cfg.image_text = "Your image Text :)" thumb_maker(thumb_maker_cfg).go()