Moved away from deprecated SGMLlib parser

I'd heard that the SGMLlib parser had been deprecated in favor of
HTMLParser, so now I've moved to that.

.gitignore

@@ -2,3 +2,4 @@
 *.pyc
 \#*\#
 .*
+modules/plane.tbl

4grab.py

@@ -1,4 +1,4 @@
-#!/usr/bin/python
+#!/usr/bin/python2
 
 ######################################################################
 # Copyright 2009, 2010 ryuslash
@@ -21,147 +21,133 @@
 
 import optparse
 import sys
+import os
 
 import config
+from util import raw_input_with_default
+import util
+
 import download
 import progressbar
+import sorter
+import backend
+
+config._optioncreator = raw_input_with_default
 
 base_url = "http://boards.4chan.org/"
 parser = optparse.OptionParser()
 downloader = download.Downloader(progressbar.Progress)
 
-def walk_with_wizard(baseurl):
-    wzrd_msg = "Pilates! *SHAZAM* Here they come!"
-    print "Alright, let me put on my robe and wizard hat."
-    
-    # Single or all
-    inp = None
-    prompt = "Would you like to download a single thread, or all? "
-    inp = raw_input(prompt)
-    while (inp != "single" and inp != "all"):
-        print "Please type single or all"
-        inp = raw_input(prompt)
-
-    if inp == "single":
-        inp = raw_input("Which thread would you like to download? ")
-        if inp[:7] == "http://":
-            t = downloader.get_image_links("", [inp])
-        else:
-            thread = inp
-            inp = raw_input("Which category is this thread in? ")
-            print wzrd_msg
-            t = downloader.get_image_links("%s%s/res/" % (baseurl, inp),
-                                           [thread])
-    else:
-        inp = raw_input("Which category would you like to download? ")
-        config.Configuration().set_category(inp)
-        baseurl = "%s%s/" % (baseurl, config.Configuration().get_category())
-
-        print wzrd_msg
-        t = downloader.get_thread_links(baseurl)
-        t = downloader.get_image_links(baseurl, t)
-    (skipped, failed, downloaded, total) = downloader.get_images(t)
-    print "Downloaded: ", downloaded
-    print "Skipped:    ", skipped
-    print "Failed:     ", failed
-    print "Total:      ", total
-
-parser.set_usage(
-"""%prog [options]
+def parse_commands():
+    conf = config.Configuration()
+    parser.set_usage(
+        """%prog [options]
 
 4grab Copyright (C) 2009-2010 ryuslash
 This program comes with ABSOLUTELY NO WARRANTY.
 This is free software, and you are welcome to redistribute it
 under certain conditions.""")
-parser.add_option("-e",
-                  nargs=2,
-                  dest="confval",
-                  metavar="CONF VALUE",
-                  help="Set configuration option CONF to be VALUE")
-parser.add_option("-c",
-                  "--category",
-                  dest="tempcat",
-                  metavar="CATEGORY",
-                  help="Set the category to CATEGORY only for this run")
-parser.add_option("-t",
-                  "--thread",
-                  dest="thread",
-                  metavar="THREAD",
-                  help="Download only THREAD. If THREAD is only an ID, "
-                  "CATEGORY must also be set. Otherwise, no problem :-)")
-parser.add_option("-w",
-                  "--wizard",
-                  action="store_true",
-                  dest="wizard",
-                  help="I'll put on my robe and wizard hat and help you "
-                  "get some of those pictures you like")
-(options, args) = parser.parse_args()
+    parser.add_option("-e",
+                      nargs=2,
+                      dest="confval",
+                      metavar="CONF VALUE",
+                      help="Set configuration option CONF to be VALUE")
+    parser.add_option("-c",
+                      "--category",
+                      dest="tempcat",
+                      metavar="CATEGORY",
+                      help="Set the category to CATEGORY only for this run")
+    parser.add_option("-t",
+                      "--thread",
+                      dest="thread",
+                      metavar="THREAD",
+                      help="Download only THREAD. If THREAD is only an ID, "
+                      "CATEGORY must also be set. Otherwise, no problem :-)")
+    parser.add_option("-s",
+                      "--sort",
+                      action="store_true",
+                      dest="sort",
+                      help="Sort downloaded images, most handy if you've used "
+                      "older versions which didn't sort yet")
+    parser.add_option("-l",
+                      "--loglevel",
+                      nargs=1,
+                      dest="loglevel",
+                      metavar="LEVEL",
+                      help="Changes the default log level to LEVEL")
+    (options, args) = parser.parse_args()
 
-if options.confval and (options.tempcat
-                        or options.thread
-                        or options.wizard):
-    print "Can't configure something and do something else too."
-    exit(1)
-if options.wizard and (options.tempcat 
-                       or options.thread
-                       or options.confval):
-    print "Can't take a walk with the wizard and do something else too."
-    exit(1)
-
-if options.confval:
-    if not config.Configuration().option_exists(options.confval[0]):
-        print ("%s: error: %s is not a "
-               "valid configuration option") % (sys.argv[0],
-                                        options.confval[0])
+    if options.confval and (options.tempcat
+                            or options.thread
+                            or options.wizard
+                            or options.sort):
+        print "Can't configure something and do something else too."
         exit(1)
-    print "Setting", options.confval[0], "to", options.confval[1]
-    config.Configuration().set_option(options.confval[0],
-                                      options.confval[1])
-    config.Configuration().save()
-    exit(0)
 
-elif options.wizard:
-    try:
-        walk_with_wizard(base_url)
-    except KeyboardInterrupt:
-        print
-        print "Alright, no more wizard hat and robe then. Goodbye"
-    exit(0)
+    if options.sort:
+        sort = sorter.Sorter()
+        for item in os.listdir(conf.get_download_location()):
+            sort.act(item)
+        exit(0)
 
-elif options.thread:
-    try:
-        if options.thread[:7] == "http://":
-            t = downloader.get_image_links("", [options.thread])
-        elif options.tempcat:
-            url = "%s%s/res/" % (base_url, options.tempcat)
-            t = downloader.get_image_links(url, [options.thread])
-        else:
-            print ("if THREAD is not an absolute URL, "
-                   "CATEGORY must also be specified")
+    if options.confval:
+        if not conf.option_exists(options.confval[0]):
+            print ("%s: error: %s is not a valid configuration option"
+                   % (sys.argv[0], options.confval[0]))
             exit(1)
-        (skipped, failed, downloaded, total) = downloader.get_images(t)
-        print "Downloaded: ", downloaded
-        print "Skipped:    ", skipped
-        print "Failed:     ", failed
-        print "Total:      ", total
-    except KeyboardInterrupt:
-        print
-        print "Goodbye"
-    exit(0)
+        print "Setting", options.confval[0], "to", options.confval[1]
+        conf.set_option(options.confval[0],
+                        options.confval[1])
+        conf.save()
+        exit(0)
 
-elif options.tempcat:
-    config.Configuration().set_category(options.tempcat)
+    elif options.thread:
+        try:
+            if options.thread[:7] == "http://":
+                t = downloader.get_image_links("", [options.thread])
+            elif options.tempcat:
+                url = "%s%s/res/" % (base_url, options.tempcat)
+                t = downloader.get_image_links(url, [options.thread])
+            else:
+                print ("if THREAD is not an absolute URL, "
+                       "CATEGORY must also be specified")
+                exit(1)
+            (skipped, failed, downloaded, total) = downloader.get_images(t)
+            print "Downloaded: ", downloaded
+            print "Skipped:    ", skipped
+            print "Failed:     ", failed
+            print "Total:      ", total
+        except KeyboardInterrupt:
+            print
+            print "Goodbye"
+        exit(0)
 
-base_url = "%s%s/" % (base_url, config.Configuration().get_category())
+    elif options.tempcat:
+        conf.set_categories([options.tempcat])
 
-try:
-    t = downloader.get_thread_links(base_url)
-    t = downloader.get_image_links(base_url, t)
-    (skipped, failed, downloaded, total) = downloader.get_images(t)
-    print "Downloaded: ", downloaded
-    print "Skipped:    ", skipped
-    print "Failed:     ", failed
-    print "Total:      ", total
-except KeyboardInterrupt:
-    print
-    print "So you don't want these images? Fine! I'll stop then."
+    elif options.loglevel is not None:
+        util.loglevel = util.LogType.from_int(options.loglevel)
+
+if __name__ == "__main__":
+    conf = config.Configuration()
+    sort = sorter.Sorter()
+    parse_commands()
+
+    downloader.set_on_downloaded(sort.act)
+    for category in conf.get_categories():
+        base_url = "%s%s/" % (base_url, category)
+        try:
+            t = downloader.get_thread_links(base_url)
+            t = downloader.get_image_links(base_url, t)
+            (skipped, failed, downloaded, total) = downloader.get_images(t)
+            print "Downloaded: ", downloaded
+            print "Skipped:    ", skipped
+            print "Failed:     ", failed
+            print "Total:      ", total
+        except KeyboardInterrupt:
+            be = backend.Backend()
+            be.save(True) # Make sure that the downloaded images are saved anyway
+
+            print
+            print "So you don't want these images? Fine! I'll stop then."
+            util.log(util.LogType.Err, "Quit on user request")

backend.py

@@ -0,0 +1,70 @@
+import os
+import modules.kirbybase
+from util import confdir,raw_input_with_default
+import config
+
+class _Backend(object):
+    """ A class that communicates with the datastore """
+    def __init__(self):
+        self.table = os.path.join(confdir, "images.tbl")
+        self.store = modules.kirbybase.KirbyBase()
+        self.__collection = ""
+        self.__new_collection = []
+
+        self.load()
+
+    def create_store_if_needed(self):
+        if not os.path.exists(self.table):
+            return self.store.create(self.table, ["filename:String"])
+        return True
+
+    def add(self, filename):
+        if filename in self.__collection:
+            self.__collection.remove(filename)
+
+        self.__new_collection.append(filename)
+
+    def check(self, filename):        
+        collected = filename in self.__collection
+        downloaded = filename in self.__new_collection
+
+        if not downloaded:
+            self.add(filename)
+        
+        if collected or downloaded:
+            return True
+
+        return False
+
+    def save(self, dump = False):
+        if dump:
+            self.__new_collection.extend(self.__collection)
+
+        if os.path.exists(self.table):
+            os.remove(self.table)
+
+        self.create_store_if_needed()
+        for f in self.__new_collection:
+            self.store.insert(self.table, [f])
+
+    def load(self):
+        if os.path.exists(self.table):
+            collection = self.store.select(self.table, ['recno'], ['*'], ['filename'], returnType="report")
+            if collection != '':
+                self.__collection = collection.split()
+
+_backend = None
+def Backend():
+    global _backend
+
+    if _backend == None:
+        _backend = _Backend()
+    return _backend
+
+if __name__ == "__main__":
+    backend = Backend()
+    config._optioncreator = raw_input_with_default 
+    cfg = config.Configuration()
+    
+    for f in os.listdir(cfg.get_archive_location()):
+        backend.add(f)

config.py

@@ -20,43 +20,94 @@
 import os
 import ConfigParser
 import sys
-
-homedir = os.getenv("HOME")
-if homedir is None:
-    homedir = os.path.dirname(sys.argv[0])
+from util import homedir, confdir
     
 class _Configuration(object):
-    def __init__(self):
-        self.filename = os.path.join(os.path.join(homedir, ".4grab"), "config.cfg")
+    def __init__(self, optioncreator):
+        self.filename = os.path.join(confdir, "config.cfg")
         self.configparser = ConfigParser.RawConfigParser()
-        if not os.path.exists(self.filename):
-            self.create_new()
-        else:
-            self.configparser.read(self.filename)
+        self.optioncreator = optioncreator
         
-    def create_new(self):
-        self.configparser.add_section("settings")
-        self.set_category(self.raw_input_with_default("w", "Please enter which category you would like to download from: "))
+        self.configparser.read(self.filename)
 
-        self.configparser.add_section("locations")
-        self.configparser.set("locations", "download", self.raw_input_with_default(os.path.join(homedir, "Pictures"), "Please enter where you would like the downloads to go: "))
+    def check(self):
+        changed = False
+        # read if it exists
+        if os.path.exists(self.filename):
+                self.configparser.read(self.filename)
+        # locations
+        if not self.configparser.has_section("locations"):
+            self.configparser.add_section("locations")
+        # locations/download_base
+        if not self.configparser.has_option("locations", "download_base"):
+            self.create_option("locations",
+                               "download_base",
+                               os.path.join(homedir,
+                                            "Pictures"),
+                               "Please enter where "
+                               "you would like the "
+                               "downloads to go: ")
+            changed = True
+        # locations/archive
+        if not self.configparser.has_option("locations", "archive"):
+            self.create_option("locations",
+                               "archive",
+                               os.path.join(self.configparser.get("locations",
+                                                                  "download_base"),
+                                            ".arch"),
+                               "Please enter where in {download_base} you "
+                               "would like to store archived images (used for "
+                               "checking what to download): ")
+            changed = True
+        # settings
+        if not self.configparser.has_section("settings"):
+            self.configparser.add_section("settings")
+        # settings/categories
+        if not self.configparser.has_option("settings", "categories"):
+            self.create_option("settings",
+                               "categories",
+                               "w",
+                               "Please enter which "
+                               "category you would like "
+                               "to download from: ")
+            changed = True
+        # settings/resolutions
+        if not self.configparser.has_option("settings", "resolutions"):
+            self.create_option("settings",
+                               "resolutions",
+                               "1600x1050,1900x1200,1900x1080",
+                               "Please enter your preferred "
+                               "resolutions (* for all)")
+            changed = True
+        # save
+        if changed:
+            self.save()
 
-        self.save()
-
-    def raw_input_with_default(self, default, prompt):
-        inp = raw_input("%s (default=%s): " % (prompt, default))
-        if inp == "":
-            return default
-        return inp
+    def create_option(self, section, name, default, message):
+        self.configparser.set(section,
+                              name,
+                              self.optioncreator(default,
+                                                 message))
 
     def get_download_location(self):
-        return self.configparser.get("locations", "download")
+        return self.configparser.get("locations", "download_base")
+    def set_download_location(self, value):
+        self.configparser.set("locations", "download_base", value)
 
-    def get_category(self):
-        return self.configparser.get("settings", "category")
+    def get_archive_location(self):
+        return self.configparser.get("locations", "archive")
+    def set_archive_location(self, value):
+        self.configparser.set("locations", "archive", value)
 
-    def set_category(self, value):
-        self.configparser.set("settings", "category", value)
+    def get_categories(self):
+        return self.configparser.get("settings", "categories").split(',')
+    def set_categories(self, value = []):
+        self.configparser.set("settings", "category", ','.join(value))
+
+    def get_resolutions(self):
+        return self.configparser.get("settings", "resolutions").split(',')
+    def set_resolutions(self, value = []):
+        self.configparser.set("settings", "resolutions", ','.join(value))
 
     def option_exists(self, option):
         sections = self.configparser.sections()
@@ -65,6 +116,7 @@ class _Configuration(object):
                 return True
         return False
 
+    # Should only be used by the command-line
     def set_option(self, option, value):
         sec = None
         sections = self.configparser.sections()
@@ -81,9 +133,19 @@ class _Configuration(object):
     def save(self):
         dirname = os.path.dirname(self.filename)
         if not os.path.exists(dirname):
-            os.mkdir(dirname)
+            os.makedirs(dirname)
         configfile = open(self.filename, "w")
         self.configparser.write(configfile)
 
-_configuration = _Configuration()
-def Configuration(): return _configuration
+_configuration = None
+_optioncreator = None        
+def Configuration():
+    global _optioncreator
+    global _configuration
+
+    if _optioncreator is None:
+        raise ValueError("optioncreator must be set")
+    if _configuration is None:
+        _configuration = _Configuration(_optioncreator)
+        _configuration.check()
+    return _configuration

download.py

@@ -1,5 +1,3 @@
-#!/usr/bin/env python
-
 ######################################################################
 # Copyright 2009, 2010 ryuslash
 #
@@ -22,37 +20,62 @@
 import urllib
 import os
 import htmlparser
-#import progressbar
 import config
+import sys
+import backend
+import util
 
-savedir = config.Configuration().get_download_location()
-if not os.path.exists(savedir):
-    os.makedirs(savedir)
+def get_savedir():
+    conf = config.Configuration()
+    savedir = conf.get_download_location()
+    if not os.path.exists(savedir):
+        os.makedirs(savedir)
+    return savedir
+def check_archive(fullpath):
+    filename = os.path.basename(fullpath)
+    be = backend.Backend()
+    return be.check(filename)
+    
+def write(message):
+    sys.stdout.write(message)
+    sys.stdout.flush()
 
 class Downloader(object):
     def __init__(self, progress_reporter):
         self.progress_reporter = progress_reporter
+        self.on_downloaded = None
+
+    def set_on_downloaded(self, on_downloaded):
+        self.on_downloaded = on_downloaded
+
+    def download(self, url):
+        f = None
+        tries = 10
+        while tries > 0:
+            try:
+                f = urllib.urlopen(url)
+                break
+            except IOError:
+                tries -= 1
+                write("\rTry of %s failed, %d tries left" % (url, tries))
+        return f
 
     def get_thread_links(self, baseurl):
         myparser = htmlparser.MyParser()
-        t = ["0", "1", "2", "3", "4", "5", "6", "7", "8", "9", "10"]
-        i = 1
-        total = len(t)
-        progress = self.progress_reporter(total)
+        i = 0
+        code = 0
+        url = None
 
-        for pagenum in t:
-            progress.show_progress(i)
+        while code != 404:
+            url = baseurl + str(i)
+            f = self.download(url)
 
-            url = baseurl + pagenum
-            tries = 10
-            while tries > 0:
-                try:
-                    f = urllib.urlopen(url)
-                    break
-                except IOError:
-                    tries -= 1
-                    print "\rTry of", url, "failed,", tries, "tries left"
             if not f is None:
+                code = f.getcode()
+                if code == 404:
+                    write("\rCollected %d pages\n" % i)
+                    f.close()
+                    continue
                 # Read the response
                 s = f.read()
                 f.close()
@@ -60,10 +83,11 @@ class Downloader(object):
                 # Process the page.
                 myparser.parse(s)
             else:
-                "\rOpening of", url, "did not succeed, trying next one..."
+                write("\rOpening of %s did not succeed, trying next one..." \
+                          % url)
             i += 1
+            write("\rCollected %d pages" % i)
     
-        progress.complete()
         return myparser.get_hyperlinks()
 
     def get_image_links(self, baseurl, t = []):
@@ -76,21 +100,16 @@ class Downloader(object):
             progress.show_progress(i)
 
             img_url = baseurl + link
-            tries = 10
-            while tries > 0:
-                try:
-                    f = urllib.urlopen(img_url)
-                    break
-                except IOError:
-                    tries -= 1
-                    print "\rTry of", img_url, "failed,", tries, "tries left"
+            f = self.download(img_url)
+
             if not f is None:
                 s = f.read()
                 f.close()
 
                 mysubparser.parse(s)
             else:
-                print "\rOpening of", img_url, "did not succeed, trying next one..."
+                write("\rOpening of %s did not succeed, " \
+                    "trying next one..." % img_url)
             i += 1
 
         progress.complete()
@@ -105,8 +124,10 @@ class Downloader(object):
         i = 1
         for link in t:
             progress.show_progress(i)
-            filename = os.path.join(savedir, os.path.split(link)[1])
-            if not os.path.exists(filename):
+            filename = os.path.join(get_savedir(), os.path.split(link)[1])
+            if not check_archive(filename):
+                util.log(util.LogType.Msg, "%s is not in archive" % filename, None)
+
                 tries = 10
                 while tries > 0:
                     try:
@@ -117,19 +138,25 @@ class Downloader(object):
                 if tries == 0:
                     failed += 1
                 else:
+                    util.log(util.LogType.Msg, "succsesfully downloaded %s" % filename, None)
                     downloaded += 1
+                    if self.on_downloaded is not None:
+                        util.log(util.LogType.Msg, "", self.on_downloaded)
+
+                        if not self.on_downloaded(filename):
+                            failed += 1
+                    else:
+                        util.log(util.LogType.Warn, "on_downloaded is None", None)
             else:
                 skipped += 1
             i += 1
     
         progress.complete()
+
+        be = backend.Backend()
+        be.save()
+
         return (skipped, failed, downloaded, total)
 
 if __name__ == "__main__":
-    # Get a file-like object for the 4chan.org w/imgboard
-    base_url = "http://boards.4chan.org/" + config.Configuration().get_category() + "/"
- 
-    # Get the hyperlinks.
-    t = get_thread_links(base_url)
-    t = get_image_links(base_url, t)
-    get_images(t)
+    print "Don't run me, run 4grab.py"

htmlparser.py

@@ -17,33 +17,35 @@
 # along with 4grab.  If not, see <http://www.gnu.org/licenses/>.
 ######################################################################
 
-import sgmllib
+from HTMLParser import HTMLParser, HTMLParseError
 import re
 
-class MyParser(sgmllib.SGMLParser):
-    def __init__(self, verbose=0):
-        sgmllib.SGMLParser.__init__(self, verbose)
+class MyParser(HTMLParser):
+    def __init__(self):
+        HTMLParser.__init__(self)
 
         self.hyperlinks = []
         self.url_reg = re.compile('res/\d+\Z')
-        self.prev = ""
 
     def parse(self, s):
         self.feed(s)
         self.close()
 
-    def start_a(self, attributes):
-        for name, value in attributes:
-            if name == "href":
-                if self.url_reg.search(value) != None:
-                    if self.prev != value:
-                        self.hyperlinks.append(value)
-                        self.prev = value
+    def handle_starttag(self, tag, attrs):
+        prev = ""
+
+        if tag == 'a':
+            for name, value in attrs:
+                if name == 'href':
+                    if self.url_reg.search(value) != None:
+                        if prev != value:
+                            self.hyperlinks.append(value)
+                            prev = value
 
     def get_hyperlinks(self):
         return self.hyperlinks
 
 class MySubParser(MyParser):
-    def __init__(self, verbose=0):
-        MyParser.__init__(self, verbose)
+    def __init__(self):
+        MyParser.__init__(self)
         self.url_reg = re.compile('/src/\d+\.\w{3,4}\Z')

sorter.py

@@ -0,0 +1,118 @@
+######################################################################
+# Copyright 2009, 2010 ryuslash
+#
+# This file is part of 4grab.
+#
+# 4grab 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 3 of the License, or
+# (at your option) any later version.
+#
+# 4grab 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 4grab.  If not, see <http://www.gnu.org/licenses/>.
+######################################################################
+
+import config
+import Image
+import shutil
+import os
+import datetime
+import backend
+
+import util
+
+def dummy_option_creator(value1, value2): pass
+config._optioncreator = dummy_option_creator
+
+class Sorter:
+
+    def __init__(self):
+        self.conf = config.Configuration()
+        self.resolutions = self.conf.get_resolutions()
+    
+    def act(self, filename):
+        util.log(util.LogType.Msg, "sorter is acting", filename)
+
+        download_base = self.conf.get_download_location()
+        retval = True
+        
+        if self.check_filename(filename):
+            image = None
+            try:
+                image = Image.open(os.path.join(download_base,
+                                            filename))
+            except IOError:
+                retval = False
+
+            if not image == None and self.archive_check(filename):
+                util.log(util.LogType.Msg, "Checking resolution", {"filename":filename, "resolution":image.size})
+
+                for resolution in self.resolutions:
+                    resolution = resolution.split('x')
+                    foldername = "%s-%s" % (resolution[0],
+                                            resolution[1])
+                    folderpath = os.path.join(download_base,
+                                              foldername)
+                    
+                    if str(image.size[0]) == resolution[0] and \
+                            str(image.size[1]) == resolution[1]:
+                        if not os.path.exists(folderpath):
+                            os.makedirs(folderpath)
+                            
+                        self.copy(filename, folderpath)
+                        break
+                self.archive(filename)
+        self.remove(filename)
+        return retval
+
+    def copy(self, filename, destpath):
+        download_base = self.conf.get_download_location()
+        source = os.path.join(download_base,
+                              os.path.basename(filename))
+        
+        today = datetime.date.today()
+        dest = os.path.join(destpath,
+                            "%d-%d-%d" % (today.year, today.month, today.day))
+        util.log(util.LogType.Msg, "going to copy %s to %s" % (source, dest), None)
+
+        if not os.path.exists(dest):
+            os.makedirs(dest)
+
+        dest = os.path.join(dest,
+                            os.path.basename(filename))
+                            
+        if source != dest:
+            shutil.copy(source, dest)
+        else:
+            print "\nHow can this even happen?! Copying", source, "to", dest
+
+    def archive(self, filename):
+        be = backend.Backend()
+        be.add(os.path.basename(filename))
+
+    def archive_check(self, filename):
+        be = backend.Backend()
+        return be.check(os.path.basename(filename))
+
+    def check_filename(self, filename):
+        ext = os.path.splitext(filename)[1]
+        return ext == ".jpg" or \
+            ext == ".png" or \
+            ext == ".gif"
+
+    def remove(self, filename):
+        download_base = self.conf.get_download_location()
+        source = os.path.join(download_base, filename)
+        os.remove(source)
+                                          
+if __name__ == "__main__":
+    conf = config.Configuration()
+    download_base = conf.get_download_location()
+    sorter = Sorter()
+    for item in os.listdir(download_base):
+        sorter.act(item)

util.py

@@ -0,0 +1,39 @@
+import os
+import sys
+
+class LogType:
+    Non = 0
+    Err = 1
+    Warn = 2
+    Msg = 3
+    @staticmethod
+    def from_int(lloglevel):
+        iloglevel = int(lloglevel)
+        if iloglevel == 0:
+            return LogType.Non
+        if iloglevel == 1:
+            return LogType.Err
+        if iloglevel == 2:
+            return LogType.Warn
+        if iloglevel == 3:
+            return LogType.Msg
+
+loglevel = LogType.Non
+
+def raw_input_with_default(default, prompt):
+    inp = raw_input("%s (default=%s): " % (prompt, default))
+    if inp == "":
+        return default
+    return inp
+
+def log(logtype, message, data = None):
+    global loglevel
+    if loglevel >= logtype:
+        print message
+        if not data is None:
+            print "data:\n\tdata"
+
+homedir = os.getenv("HOME")
+if homedir is None:
+    homedir = os.path.dirname(sys.argv[0])
+confdir = os.path.join(homedir, ".4grab")