pop-fe: add support for CHD files

Signed-off-by: Ronnie Sahlberg <ronniesahlberg@gmail.com>

README

@@ -55,6 +55,7 @@ formats:
          MODE2/2352
 .zip   : ZIP file. The ZIP file will be extracted into the local directory
          and if a .cue file is found it will be used.
+.chd   : CHD file. This requires that the chdman program is installed.
 .*     : Various memory card image formats.
          Memory cards are detected by file size so the extensions does not
 	 matter.

pop-fe.py

@@ -2007,6 +2007,23 @@ def create_manual(source, gameid, subdir='./pop-fe-work/'):
         zip = None
         print('Processing', cue_file, '...')
 
+        if cue_file[-4:] == '.chd':
+            print('This is a CHD file. Uncompress the file.') if verbose else None
+            chd = cue_file
+            try:
+                tmpcue = subdir + 'CDH%d.cue' % (0 if not idx else idx[0])
+                tmpbin = subdir + 'CDH%d.bin' % (0 if not idx else idx[0])
+                temp_files.append(tmpcue)
+                temp_files.append(tmpbin)
+                print('Extracting', tmpcue, 'and', tmpbin, 'chd')  if verbose else None
+                subprocess.run(['chdman', 'extractcd', '-f', '-i', chd, '-ob', tmpbin, '-o', tmpcue], check=True)
+            except:
+                print('XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX\nCHDMAN not found.\nCan not convert game\nPlease see README file for how to install chdman\nXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX')
+                os._exit(10)
+            cue_file = tmpcue
+            # we didn't actually have a CUE file to start with so just
+            # replace the "real" cue filename with our temporary one
+            real_cue_files[-1] = cue_file
         if cue_file[-4:] == '.zip':
             print('This is a ZIP file. Uncompress the file.') if verbose else None
             zip = cue_file