Fixes possible error with '--careful' flag (fixes #45)

* look up slot by unicode, fixes breaking if has careful flag and copying with 'exact encoding' glyph set copying method (e.g. 'Powerline Extra')

changelog.md

@@ -2,6 +2,8 @@ CHANGELOG
 ================================================================================
 This project is using [Semantic Versioning 2.0.0](http://semver.org/)
 
+- Unreleased/unversioned
+  - Fixes possible error with '--careful' flag (fixes #45)
 - v0.6.0
   - Updated Font naming conventions and directory paths that are more manageable (partially fixes #32, #42)
   - Updated Font variations to use same Font Family (partially fixes #25, #42)

font-patcher

@@ -303,7 +303,7 @@ def copy_glyphs(sourceFont, sourceFontStart, sourceFontEnd, symbolFont, symbolFo
             if exactEncoding:
                 # use the exact same hex values for the source font as for the symbol font
                 currentSourceFontGlyph = sym_glyph.encoding
-                copiedToSlot = sym_glyph.glyphname
+                copiedToSlot = str(sym_glyph.unicode)
             else:
                 # use source font defined hex values based on passed in start and end
                 # convince that this string really is a hex:
@@ -313,8 +313,6 @@ def copy_glyphs(sourceFont, sourceFontStart, sourceFontEnd, symbolFont, symbolFo
             if args.quiet == False:
                 print "updating glyph: " + str(sym_glyph) + " " + str(sym_glyph.glyphname) + " putting at: " + str(copiedToSlot)
 
-
-
             # Prepare symbol glyph dimensions
             sym_dim = get_dim(sym_glyph)
 
@@ -324,6 +322,10 @@ def copy_glyphs(sourceFont, sourceFontStart, sourceFontEnd, symbolFont, symbolFo
 
             # check it
             if args.careful:
+
+                if copiedToSlot.startswith("uni"):
+                    copiedToSlot = copiedToSlot[3:]
+
                 codepoint = int("0x" + copiedToSlot, 16)
                 try:
                     sourceFont[codepoint]