Added config file features

Qalbum-thumbnailer.py

@@ -1,6 +1,6 @@
 #!/usr/bin/env python
 #
-# Copyright 2011 Ville Rantanen
+# Copyright 2014 Ville Rantanen
 #
 # this program is free software: you can redistribute it and/or modify it
 # under the terms of the GNU Lesser General Public License as published

Qalbum.py

@@ -1,6 +1,6 @@
 #!/usr/bin/env python
 #
-# Copyright 2012 Ville Rantanen
+# Copyright 2014 Ville Rantanen
 #
 # This program is free software: you can redistribute it and/or modify it
 # under the terms of the GNU Lesser General Public License as published
@@ -22,14 +22,34 @@ import shutil
 import csv
 import subprocess
 import string
+import configobj
 from math import ceil
 from datetime import datetime
 
 # (c) ville.rantanen@helsinki.fi
 
-__version__='2.5'
+__version__='2.6'
 
-webfilesearch=re.compile('.*index.html$|gallerystyle.css$|galleryscript.js$|descriptions.csv$|^info.txt$|\..*',re.I)
+FILECONFIG=".config"
+FILEDESC="descriptions.csv"
+FILEINFO="info.txt"
+SAVEDCONFIG="""attachments=boolean
+gallery=string
+infofile=string
+link=boolean
+parent=string
+reverse=boolean
+startpath=string
+timesort=boolean
+clean=boolean
+force=boolean
+gravity=string
+recursive=boolean
+width=string""".split('\n')
+CONFIGCOMMENTS="""
+config values:
+""".split('\n')
+webfilesearch=re.compile('.*index.html$|gallerystyle.css$|galleryscript.js$|'+FILEDESC+'$|^'+FILEINFO+'$|\..*',re.I)
 imagesearch=re.compile('.*\.jpg$|.*\.jpeg$|.*\.gif$|.*\.png$|.*\.svg$|.*\.pdf$',re.I)
 vectorsearch=re.compile('.*\.svg$|.*\.pdf$',re.I)
 nonconvertiblesearch=re.compile('.*\.html$|.*\.htm$|.*\.php$',re.I)
@@ -312,10 +332,10 @@ def create_thumb_bitmap(infile,outfile,vector=False,gravity='Center'):
 def getdescriptions(path,list):
     ''' Read descriptions.csv file and returns a list of descriptions.
         Missing descriptions are replaced with the file name. '''
-    if not os.path.exists(os.path.join(path,'descriptions.csv')):
+    if not os.path.exists(os.path.join(path,FILEDESC)):
         return list
     desc=[i for i in list]
-    reader = csv.reader(open(os.path.join(path,'descriptions.csv'),'rb'),
+    reader = csv.reader(open(os.path.join(path,FILEDESC),'rb'),
                         delimiter='\t',
                         doublequote=False,
                         escapechar='\\',
@@ -437,6 +457,10 @@ def setupoptions():
     parser=ArgumentParser()
     parser.add_argument("-v",action='version', version=__version__)
     parser.add_argument("--version",action='version', version=__version__)
+    parser.add_argument("-c",action="store_true",dest="writeconfig",default=False,
+                      help="Write current configuration to file "+FILECONFIG+
+                           ". If file exists, Qalbum and thumbnail handling read from the file, "+
+                           "overriding switches.")
     parser.add_argument("-r",action="store_true",dest="reverse",default=False,
                       help="Reverse sort orded")
     parser.add_argument("-L",action="store_false",dest="recurselink",default=True,
@@ -447,7 +471,7 @@ def setupoptions():
                       help="Sort by file modification time")
     parser.add_argument("-a",action="store_false",dest="attachments",default=True,
                       help="Disable attachments")
-    parser.add_argument("-i",type=str,dest="infofile",default="info.txt",
+    parser.add_argument("-i",type=str,dest="infofile",default=FILEINFO,
                       help="File name for info files in all folders. (Default: %(default)s)")
     parser.add_argument("-g",type=str,dest="gallery",default="Gallery",
                       help="Name for the root gallery (Default: %(default)s)")
@@ -473,7 +497,7 @@ def setupdefaultoptions(options):
     if 'force' not in options:
         options.force=False
     if 'infofile' not in options:
-        options.infofile="info.txt"
+        options.infofile=FILEINFO
     if 'gallery' not in options:
         options.gallery="Gallery"
     if 'gravity' not in options:
@@ -494,10 +518,42 @@ def setupdefaultoptions(options):
         options.width=850
     return options
 
+def readconfig(options):
+    """ Set up the options via config file """
+    if os.path.exists(FILECONFIG):
+        try:
+            cfg=configobj.ConfigObj(FILECONFIG, configspec=SAVEDCONFIG, unrepr=True)
+        except configobj.UnreprError as err:
+            print("Config file "+FILECONFIG+" syntax error!")
+            print(err)
+            sys.exit(1)
+        for opt in cfg.keys():
+            setattr(options,opt,cfg[opt])
+        print("Read config from file")
+                    
+    return options
+
+def writeconfig(options):
+    """ Write the options to config file """
+
+    cfg=configobj.ConfigObj(configspec=SAVEDCONFIG, unrepr=True)
+    cfg.initial_comment=CONFIGCOMMENTS
+    cfg.filename=FILECONFIG
+    for opt in SAVEDCONFIG:
+        if opt.startswith('#'):
+            continue
+        optname=opt.split("=")[0]
+        cfg[optname]=getattr(options,optname)
+    cfg.write()
+    print('Wrote '+FILECONFIG)
+
 def execute_plain():
     ''' Main execution function '''
     options=setupoptions()
+    options=readconfig(options)
     options=setupdefaultoptions(options)
+    if options.writeconfig:
+        writeconfig(options)
     # Copy all resources to target folder
     pathname=os.path.dirname(os.path.realpath(sys.argv[0]))
     fullpath=os.path.abspath(pathname)