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#! /usr/bin/env python
# -*- coding: utf-8 -*-
"""
Generate the numeric hex list of unicode numerals
"""
import os
import os.path
import sys
import unicodedata
# This is intended to be called from project root. Enforce this.
this_file = os.path.abspath(__file__)
this_base = os.path.basename(this_file)
cwd = os.path.abspath(os.getcwd())
desired_this_file = os.path.join(cwd, "dev", this_base)
if this_file != desired_this_file:
sys.exit(this_base + " must be called from project root")
# We will write the new numeric hex collection to a natsort package file.
target = os.path.join(cwd, "natsort", "unicode_numeric_hex.py")
with open(target, "w") as fl:
print(
'''# -*- coding: utf-8 -*-
"""
Contains all possible non-ASCII unicode numbers.
"""
# Rather than determine what unicode characters are numeric on the fly which
# would incur a startup runtime penalty, the hex values are hard-coded below.
numeric_hex = (''',
file=fl,
)
# Write out each individual hex value.
for i in range(0x110000):
try:
a = chr(i)
except ValueError:
break
if a in "0123456789":
continue
if unicodedata.numeric(a, None) is not None:
print(" 0x{:X},".format(i), file=fl)
print(")", file=fl)
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