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[bbc] Generalize unit table lookup and add parse_count

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This commit is contained in:
Sergey M․ 2016-03-13 16:27:20 +06:00
parent 450b233cc2
commit fb47597b09
2 changed files with 40 additions and 7 deletions
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10
test/test_utils.py
View File

@ -41,6 +41,7 @@
orderedSet,
parse_duration,
parse_filesize,
parse_count,
parse_iso8601,
read_batch_urls,
sanitize_filename,
@ -653,6 +654,15 @@ def test_parse_filesize(self):
self.assertEqual(parse_filesize('1.2Tb'), 1200000000000)
self.assertEqual(parse_filesize('1,24 KB'), 1240)
def test_parse_count(self):
self.assertEqual(parse_count(None), None)
self.assertEqual(parse_count(''), None)
self.assertEqual(parse_count('0'), 0)
self.assertEqual(parse_count('1000'), 1000)
self.assertEqual(parse_count('1.000'), 1000)
self.assertEqual(parse_count('1.1k'), 1100)
self.assertEqual(parse_count('1.1kk'), 1100000)
def test_version_tuple(self):
self.assertEqual(version_tuple('1'), (1,))
self.assertEqual(version_tuple('10.23.344'), (10, 23, 344))

37
youtube_dl/utils.py
View File

@ -1316,6 +1316,17 @@ def format_bytes(bytes):
return '%.2f%s' % (converted, suffix)
def lookup_unit_table(unit_table, s):
units_re = '|'.join(re.escape(u) for u in unit_table)
m = re.match(
r'(?P<num>[0-9]+(?:[,.][0-9]*)?)\s*(?P<unit>%s)' % units_re, s)
if not m:
return None
num_str = m.group('num').replace(',', '.')
mult = unit_table[m.group('unit')]
return int(float(num_str) * mult)
def parse_filesize(s):
if s is None:
return None
@ -1359,16 +1370,28 @@ def parse_filesize(s):
'Yb': 1000 ** 8,
}
units_re = '|'.join(re.escape(u) for u in _UNIT_TABLE)
m = re.match(
r'(?P<num>[0-9]+(?:[,.][0-9]*)?)\s*(?P<unit>%s)' % units_re, s)
if not m:
return lookup_unit_table(_UNIT_TABLE, s)
def parse_count(s):
if s is None:
return None
num_str = m.group('num').replace(',', '.')
mult = _UNIT_TABLE[m.group('unit')]
return int(float(num_str) * mult)
s = s.strip()
if re.match(r'^[\d,.]+$', s):
return str_to_int(s)
_UNIT_TABLE = {
'k': 1000,
'K': 1000,
'm': 1000 ** 2,
'M': 1000 ** 2,
'kk': 1000 ** 2,
'KK': 1000 ** 2,
}
return lookup_unit_table(_UNIT_TABLE, s)
def month_by_name(name):
""" Return the number of a month by (locale-independently) English name """