.png files in -f if util-say is installed

manuals/ponysay.texinfo

@@ -139,6 +139,9 @@ a relative path and does not include a `@code{/}', it must begin with
 multiple times to specify a set of ponies from which one will be selected
 randomly. If no pony is specified one will be selected randomly.
 
+If you have @command{util-say} installed, you can use .png-files as the
+arguments for this options.
+
 @item -q [PONY...]
 @itemx --quote [PONY...]
 @cindex @command{-q}
@@ -485,6 +488,14 @@ Python version 3 is the primary language of the program
 @cindex linux vt
 For improved TTY support for user with custom colour palette and KMS support.
 It can be downloaded at @url{https://github.com/maandree/util-say}.
+
+@cindex png images
+@cindex images, png
+@cindex portable network graphics
+For ther purpose of simplying for pony contributors, @command{ponysay}
+supports using .png-images (note that the file must not miss the
+@code{.png} in the file) in addition of .pony-files or pony names.
+
 @end table
 
 
@@ -1265,7 +1276,7 @@ Patchers and other contributors of ponysay:
 @itemize @bullet
 @item Duane ``Marneus68'' Bekaert
 @item Kyah ``L-four'' Rindlisbacher
-@item James `rossy2401'' Ross-Gowan
+@item James ``rossy2401'' Ross-Gowan
 @item Louis ``kragniz'' Taylor
 @item Jannis ``sycoso''
 @item ``spider-mario''

ponysay.py

@@ -25,7 +25,7 @@ from subprocess import Popen, PIPE
 '''
 The version of ponysay
 '''
-VERSION = '2.0-rc1'
+VERSION = '2.0-rc2'
 
 
 '''
@@ -122,7 +122,7 @@ class ponysay():
     ##
     
     '''
-    Returns one .pony-file with full path, names is filter for names, also accepts filepaths
+    Returns one file with full path, names is filter for names, also accepts filepaths.
     '''
     def __getponypath(self, names = None):
         ponies = {}
@@ -130,7 +130,7 @@ class ponysay():
         if not names == None:
             for name in names:
                 if os.path.isfile(name):
-                    return name
+                    ponies[name] = name
         
         for ponydir in ponydirs:
             for ponyfile in os.listdir(ponydir):
@@ -342,7 +342,7 @@ class ponysay():
     Returns (the cowsay command, whether it is a custom program)
     '''
     def __getcowsay(self):
-        isthink = 'think.py' in __file__
+        isthink = (len(__file__) >= 8) and (__file__[-8:] == 'think.py')
         
         if isthink:
             cowthink = os.environ['PONYSAY_COWTHINK'] if 'PONYSAY_COWTHINK' in os.environ else None
@@ -361,9 +361,17 @@ class ponysay():
         else:
             msg = args.message
         
+        
         pony = self.__getponypath(args.pony)
         (cowsay, customcowsay) = self.__getcowsay()
         
+        if (len(pony) > 4) and (pony[-4:].lower() == '.png'):
+            pony = '\'' + pony.replace('\'', '\'\\\'\'') + '\''
+            pngcmd = ('img2ponysay -p -- ' if linuxvt else 'img2ponysay -- ') + pony
+            pngpipe = os.pipe()
+            Popen(pngcmd, stdout=os.fdopen(pngpipe[1], 'w'), shell=True).wait()
+            pony = '/proc/' + str(os.getpid()) + '/fd/' + str(pngpipe[0])
+        
         cmd = [cowsay, '-f', self.__kms(pony)]
         if args.wrap is not None:
             cmd += ['-W', args.wrap]