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font-patcher: Sanitize output filenames

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[why]
The filename is determined by the font (family) name. The font name
might include characters that are forbidden to use in filenames.

[how]
Filter output filesnames and prevent any character that is likely
forbidden under Windows.
Also prevent control characters.

Translate Windows path separators to posix.

Fixes: #632

Signed-off-by: Fini Jastrow <ulf.fini.jastrow@desy.de>
This commit is contained in:
Fini Jastrow 2022-12-22 09:34:20 +01:00 committed by Fini
parent 52cf6f9b6e
commit 5c5c51e7b1
1 changed files with 21 additions and 3 deletions
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24
font-patcher
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@ -6,7 +6,7 @@
from __future__ import absolute_import, print_function, unicode_literals
# Change the script version when you edit this script:
script_version = "3.2.1"
script_version = "3.2.2"
version = "2.3.0-RC"
projectName = "Nerd Fonts"
@ -322,7 +322,9 @@ class font_patcher:
if not sourceFont.layers[l].is_background:
layer = l
break
outfile = os.path.normpath(os.path.join(self.args.outputdir, sourceFont.familyname + ".ttc"))
outfile = os.path.normpath(os.path.join(
sanitize_filename(self.args.outputdir, True),
sanitize_filename(sourceFont.familyname) + ".ttc"))
# the `PfEd-comments` flag is required for Fontforge to save '.comment' and '.fontlog'.
sourceFonts[0].generateTtc(outfile, sourceFonts[1:], flags=(str('opentype'), str('PfEd-comments')), layer=layer)
message = "\nGenerated: {} fonts in '{}'".format(len(sourceFonts), outfile)
@ -330,7 +332,9 @@ class font_patcher:
fontname = sourceFont.fullname
if not fontname:
fontname = sourceFont.cidfontname
outfile = os.path.normpath(os.path.join(self.args.outputdir, fontname + self.args.extension))
outfile = os.path.normpath(os.path.join(
sanitize_filename(self.args.outputdir, True),
sanitize_filename(fontname) + self.args.extension))
# the `PfEd-comments` flag is required for Fontforge to save '.comment' and '.fontlog'.
bitmaps = str()
if len(self.sourceFont.bitmapSizes):
@ -1209,6 +1213,20 @@ def make_sure_path_exists(path):
if exception.errno != errno.EEXIST:
raise
def sanitize_filename(filename, allow_dirs = False):
""" Enforces to not use forbitten characters in a filename/path. """
if filename == '.' and not allow_dirs:
return '_'
trans = filename.maketrans('<>:"|?*', '_______')
for i in range(0x00, 0x20):
trans[i] = ord('_')
if not allow_dirs:
trans[ord('/')] = ord('_')
trans[ord('\\')] = ord('_')
else:
trans[ord('\\')] = ord('/') # We use posix paths
return filename.translate(trans)
def get_multiglyph_boundingBox(glyphs, destGlyph = None):
""" Returns dict of the dimensions of multiple glyphs combined(, as if they are copied into destGlyph) """
# If destGlyph is given the glyph(s) are first copied over into that