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bpo-37760: Constant-fold some old options in makeunicodedata. (GH-15129)

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The `expand` option was introduced in 2000 in commit fad27aee1.
It appears to have been always set since it was committed, and
what it does is tell the code to do something essential.  So,
just always do that, and cut the option.

Also cut the `linebreakprops` option, which isn't consulted anymore.
This commit is contained in:
Greg Price 2019-08-12 22:59:30 -07:00 • committed by Benjamin Peterson
parent def97c988b
commit 99d208efed
1 changed files with 20 additions and 24 deletions
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44
Tools/unicode/makeunicodedata.py
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@ -943,10 +943,7 @@ class UnicodeData:
# ISO-comment, uppercase, lowercase, titlecase, ea-width, (16)
# derived-props] (17)
def __init__(self, version,
linebreakprops=False,
expand=1,
cjk_check=True):
def __init__(self, version, cjk_check=True):
self.changed = []
table = [None] * 0x110000
for s in UcdFile(UNICODE_DATA, version):
@ -956,26 +953,25 @@ def __init__(self, version,
cjk_ranges_found = []
# expand first-last ranges
if expand:
field = None
for i in range(0, 0x110000):
s = table[i]
if s:
if s[1][-6:] == "First>":
s[1] = ""
field = s
elif s[1][-5:] == "Last>":
if s[1].startswith("<CJK Ideograph"):
cjk_ranges_found.append((field[0],
s[0]))
s[1] = ""
field = None
elif field:
f2 = field[:]
f2[0] = "%X" % i
table[i] = f2
if cjk_check and cjk_ranges != cjk_ranges_found:
raise ValueError("CJK ranges deviate: have %r" % cjk_ranges_found)
field = None
for i in range(0, 0x110000):
s = table[i]
if s:
if s[1][-6:] == "First>":
s[1] = ""
field = s
elif s[1][-5:] == "Last>":
if s[1].startswith("<CJK Ideograph"):
cjk_ranges_found.append((field[0],
s[0]))
s[1] = ""
field = None
elif field:
f2 = field[:]
f2[0] = "%X" % i
table[i] = f2
if cjk_check and cjk_ranges != cjk_ranges_found:
raise ValueError("CJK ranges deviate: have %r" % cjk_ranges_found)
# public attributes
self.filename = UNICODE_DATA % ''