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import itertools
import unicodedata
from fontTools.ttLib import TTFont
try:
chr(0x100)
except ValueError:
chr = unichr
def grouper(n, iterable):
"""
>>> list(grouper(3, 'ABCDEFG'))
[['A', 'B', 'C'], ['D', 'E', 'F'], ['G']]
"""
iterable = iter(iterable)
return iter(lambda: list(itertools.islice(iterable, n)), [])
ttf = TTFont("../../../fonts/Ahem.ttf")
chars = {char for table in ttf['cmap'].tables for char in table.cmap.keys()}
# exclude chars that can't be represented as HTML numeric character refs
chars = chars - (set(range(0x80, 0x9F+1)) | {0x00})
chars_sorted = sorted(chars)
per_row = 17
doctype = "<!doctype html>"
title = "<title>Ahem checker</title>"
style_open = """
<style>
* {
padding: 0;
margin: 0;
border: none;
}
td {
width: 34px;
}""".strip()
style_close = "</style>"
style_font_face = """
@font-face {
font-family: Ahem;
src: url("../../fonts/Ahem.ttf");
}""".strip()
style_table_font_specified = """
table {
font: 15px/1 Ahem;
border-collapse: separate;
border-spacing: 1px;
table-layout: fixed;
}""".strip()
style_table_font_unspecified = """
table {
font-size: 15px;
line-height: 1;
border-collapse: separate;
border-spacing: 1px;
table-layout: fixed;
}""".strip()
def build_header(is_test, rel, href):
rv = [doctype, title]
if rel != None and href != None:
rv.append('<link rel="%s" href="%s">' % (rel, href))
rv.append(style_open)
if not is_test:
if rel == None and href == None:
# ahem-notref.html
rv.append(style_table_font_unspecified)
else:
# ahem-ref.html
rv.append(style_font_face)
rv.append(style_table_font_specified)
else:
# ahem.html
rv.append(style_table_font_specified)
rv.append(style_close)
return "\n".join(rv)
def build_table():
rv = ["\n"]
rv.append("<table>\n")
for row in grouper(per_row, chars_sorted):
rv.append(" " * 4 + "<tr>\n")
for codepoint in row:
assert codepoint <= 0xFFFF
try:
name = unicodedata.name(chr(codepoint))
except ValueError:
rv.append(" " * 8 + "<td>&#x%04X;x <!-- U+%04X -->\n" % (codepoint, codepoint))
else:
rv.append(" " * 8 + "<td>&#x%04X;x <!-- U+%04X: %s -->\n" % (codepoint, codepoint, name))
rv.append("</table>\n")
return "".join(rv)
cases = [
# file, is_test, rel
("../ahem.html", True, "match"),
("../ahem-ref.html", False, "mismatch"),
("../ahem-notref.html", False, None),
]
table = build_table()
for index, case in enumerate(cases):
next_index = index + 1
file, is_test, rel = case
href = cases[next_index][0][3:] if next_index < len(cases) else None
header = build_header(is_test, rel, href)
with open(file, "w") as file:
file.write("%s%s" % (header, table))
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