[sipify] write helpers in core.__init__.py for Q_ENUM

whenever reading a Q_ENUM macro, sipify will create a helper in the core module:
BaseClass.EnumType.parentClass = lamda: BaseClass

this will allow to use the meta object to access the QMetaEnum of the object

scripts/prepare-commit.sh

@@ -121,7 +121,7 @@ for f in $MODIFIED; do
       m=python/$sip_file.$REV.prepare
       touch python/$sip_file
       cp python/$sip_file $m
-      ${TOPLEVEL}/scripts/sipify.pl $f > python/$sip_file
+      ${TOPLEVEL}/scripts/sipify.pl -s python/$sip_file -p python/${module}/__init__.py $f
       if ! diff -u $m python/$sip_file >>$SIPIFYDIFF; then
         echo "python/$sip_file is not up to date"
       fi

scripts/sipify.pl

@@ -23,9 +23,12 @@
 
 # read arguments
 my $debug = 0;
+my $sip_output = '';
+my $python_output = '';
 #my $SUPPORT_TEMPLATE_DOCSTRING = 0;
 #die("usage: $0 [-debug] [-template-doc] headerfile\n") unless GetOptions ("debug" => \$debug, "template-doc" => \$SUPPORT_TEMPLATE_DOCSTRING) && @ARGV == 1;
-die("usage: $0 [-debug] headerfile\n") unless GetOptions ("debug" => \$debug) && @ARGV == 1;
+die("usage: $0 [-debug] [-sip_output FILE] [-python_output FILE] headerfile\n")
+  unless GetOptions ("debug" => \$debug, "sip_output=s" => \$sip_output, "python_output=s" => \$python_output) && @ARGV == 1;
 my $headerfile = $ARGV[0];
 
 # read file
@@ -603,11 +606,33 @@ sub detect_non_method_member{
     # insert metaoject for Q_GADGET
     if ($LINE =~ m/^\s*Q_GADGET\b.*?$/){
         if ($LINE !~ m/SIP_SKIP/){
+            dbg_info('Q_GADGET');
             write_output("HCE", "  public:\n");
             write_output("HCE", "    static const QMetaObject staticMetaObject;\n\n");
         }
         next;
     }
+    if ($LINE =~ m/Q_ENUM\(\s*(\w+)\s*\)/ ){
+        if ($LINE !~ m/SIP_SKIP/){
+            my $enum_helper = "$ACTUAL_CLASS.$1.parentClass = lambda: $ACTUAL_CLASS";
+            dbg_info("Q_ENUM $enum_helper");
+            if ($python_output ne ''){
+                my $pl;
+                open(FH, '+<', $python_output) or die $!;
+                foreach $pl (<FH>)  {
+                    if ($pl =~ m/$enum_helper/){
+                        $enum_helper = '';
+                        last;
+                    }
+                }
+                if ($enum_helper ne ''){
+                    print FH "$enum_helper\n";
+                }
+                close(FH);
+            }
+        }
+        next;
+    }
 
     # Skip Q_OBJECT, Q_PROPERTY, Q_ENUM etc.
     if ($LINE =~ m/^\s*Q_(OBJECT|ENUMS|ENUM|FLAG|PROPERTY|DECLARE_METATYPE|DECLARE_TYPEINFO|NOWARN_DEPRECATED_(PUSH|POP))\b.*?$/){
@@ -1102,4 +1127,10 @@ sub detect_non_method_member{
 }
 write_header_footer();
 
-print join('',@OUTPUT);
+if ( $sip_output ne ''){
+  open(FH, '>', $sip_output) or die $!;
+  print FH join('',@OUTPUT);
+  close(FH);
+} else {
+  print join('',@OUTPUT);
+}

scripts/sipify_all.sh

@@ -47,7 +47,7 @@ for module in "${modules[@]}"; do
       else
         path=$(${GP}sed -r 's@/[^/]+$@@' <<< $sipfile)
         mkdir -p python/$path
-        ./scripts/sipify.pl $header > python/$sipfile.in &
+        ./scripts/sipify.pl -s python/$sipfile.in -p python/${module}/__init__.py $header &
       fi
       count=$((count+1))
   done < <( ${GP}sed -n -r "s@^%Include auto_generated/(.*\.sip)@${module}/auto_generated/\1@p" python/${module}/${module}_auto.sip )