Python源码示例：unicodedata.category()
示例1
def _tokenize(self, text):
if not self._cased:
text = unicodedata.normalize('NFD', text)
text = ''.join([ch for ch in text if unicodedata.category(ch) != 'Mn'])
text = text.lower()
spaced = ''
for ch in text:
if self._is_punctuation(ch) or self._is_cjk_character(ch):
spaced += ' ' + ch + ' '
elif self._is_space(ch):
spaced += ' '
elif ord(ch) == 0 or ord(ch) == 0xfffd or self._is_control(ch):
continue
else:
spaced += ch
tokens = []
for word in spaced.strip().split():
tokens += self._word_piece_tokenize(word)
return tokens
示例2
def normalizestr(string):
""" Converts special characters like copyright,
trademark signs to ascii name """
# print("input: '{}'".format(string))
input_string = string
for mark, ascii_repl in unicode_marks(string):
string = string.replace(mark, ascii_repl)
rv = []
# for c in unicodedata.normalize('NFKC', smart_text(string)):
for c in unicodedata.normalize('NFKC', string):
# cat = unicodedata.category(c)[0]
# if cat in 'LN' or c in ok:
rv.append(c)
new = ''.join(rv).strip()
result = unidecode(new)
if result != input_string:
print("Fixed string: '{}'".format(result))
return result
示例3
def deaccent(text):
"""
Remove accentuation from the given string. Input text is either a unicode string or utf8 encoded bytestring.
Return input string with accents removed, as unicode.
>>> deaccent("Šéf chomutovských komunistů dostal poštou bílý prášek")
u'Sef chomutovskych komunistu dostal postou bily prasek'
"""
if not isinstance(text, unicode):
# assume utf8 for byte strings, use default (strict) error handling
text = text.decode('utf8')
norm = unicodedata.normalize("NFD", text)
result = u('').join(ch for ch in norm if unicodedata.category(ch) != 'Mn')
return unicodedata.normalize("NFC", result)
示例4
def _is_punctuation(char):
"""Checks whether `chars` is a punctuation character."""
cp = ord(char)
# We treat all non-letter/number ASCII as punctuation.
# Characters such as "^", "$", and "`" are not in the Unicode
# Punctuation class but we treat them as punctuation anyways, for
# consistency.
if ((cp >= 33 and cp <= 47) or (cp >= 58 and cp <= 64) or
(cp >= 91 and cp <= 96) or (cp >= 123 and cp <= 126)):
return True
cat = unicodedata.category(char)
if cat.startswith("P"):
return True
return False
### modeling.py
示例5
def _run_strip_accents(self, text):
"""Strips accents from a piece of text."""
# 这个函数去除掉text中的非间距字符
# 标准化对于任何需要以一致的方式处理Unicode文本的程序都是非常重要的。
# 当处理来自用户输入的字符串而你很难去控制编码的时候尤其如此。
# normalize() 将文本标准化,第一个参数指定字符串标准化的方式,NFD表示字符应该分解为多个组合字符表示
text = unicodedata.normalize("NFD", text)
output = []
for char in text:
# category() 返回字符在UNICODE里分类的类型
cat = unicodedata.category(char)
if cat == "Mn":
# Mark, Nonspacing 指示字符是非间距字符，这指示基字符的修改。
# https://www.fileformat.info/info/unicode/category/Mn/list.htm
continue
output.append(char)
return "".join(output)
示例6
def get_hgnc_id_from_symbol(gene_symbol):
"""
Get HGNC curie from symbol using monarch and mygene services
:param gene_symbol:
:return:
"""
monarch_url = 'https://solr.monarchinitiative.org/solr/search/select'
params = DipperUtil._get_solr_weight_settings()
params["q"] = "{0} \"{0}\"".format(gene_symbol)
params["fq"] = ["taxon:\"NCBITaxon:9606\"", "category:\"gene\""]
gene_id = None
try:
monarch_request = requests.get(monarch_url, params=params)
response = monarch_request.json()
count = response['response']['numFound']
if count > 0:
gene_id = response['response']['docs'][0]['id']
except requests.ConnectionError:
print("error fetching {0}".format(monarch_url))
return gene_id
示例7
def _run_strip_accents(self, text):
"""Strips accents from a piece of text."""
korean = "%s-%s%s-%s" % (chr(0xac00), chr(0xd7a3),
chr(0x3131), chr(0x3163))
if re.search("[%s]+" % korean, text):
return "".join(
substr if re.search("^[%s]+$" % korean, substr)
else self._run_strip_accents(substr)
for substr in re.findall("[%s]+|[^%s]+" % (korean, korean), text)
)
text = unicodedata.normalize("NFD", text)
output = []
for char in text:
cat = unicodedata.category(char)
if cat == "Mn":
continue
output.append(char)
return "".join(output)
示例8
def encode_field(s):
# Empty string converts to "".
if s == "":
return '"" '
# Check whether the string contains any special characters.
special = False
if '"' in s or ' ' in s:
special = True
else:
for c in s:
if unicodedata.category(c)[0] == "C":
special = True
break
if not special:
return s
# Quoted field is needed.
f = '"'
for c in s:
if c in ESCAPE_SEQUENCES2:
f += ESCAPE_SEQUENCES2[c]
continue
f += c
return f + '"'
示例9
def remove_accents(self, text):
""" Normalise (normalize) unicode data in Python to remove umlauts, accents etc.
Rule 10 - When special characters appear as part of the name, paternal surname and maternal surname,
they must be excluded for the calculation of the homonym and the verification digit.
The characters will be interpreted, yes and only if, they are individually within the name,
paternal surname and maternal surname. Examples:
Roberto O’farril Carballo OACR-661121
Rubén D’angelo Fargo DAFR-710108
Luz Ma. Fernández Juárez FEJL-830120
"""
#s_no_accents = ''.join((c for c in unicodedata.normalize('NFD', text) if unicodedata.category(c) != 'Mn'))
try:
text = unicode(text, 'utf-8')
except (TypeError, NameError): # unicode is a default on python 3
pass
text = unicodedata.normalize('NFD', text)
text = text.encode('ascii', 'ignore')
text = text.decode("utf-8")
return str(text)
示例10
def _run_strip_accents(self, text):
"""Strips accents from a piece of text."""
text = unicodedata.normalize("NFD", text)
output = []
for char in text:
cat = unicodedata.category(char)
if cat == "Mn":
continue
output.append(char)
return "".join(output)
示例11
def _is_whitespace(char):
"""Checks whether `chars` is a whitespace character."""
# \t, \n, and \r are technically contorl characters but we treat them
# as whitespace since they are generally considered as such.
if char == " " or char == "\t" or char == "\n" or char == "\r":
return True
cat = unicodedata.category(char)
if cat == "Zs":
return True
return False
示例12
def _is_control(char):
"""Checks whether `chars` is a control character."""
# These are technically control characters but we count them as whitespace
# characters.
if char == "\t" or char == "\n" or char == "\r":
return False
cat = unicodedata.category(char)
if cat.startswith("C"):
return True
return False
示例13
def _is_punctuation(char):
"""Checks whether `chars` is a punctuation character."""
cp = ord(char)
# We treat all non-letter/number ASCII as punctuation.
# Characters such as "^", "$", and "`" are not in the Unicode
# Punctuation class but we treat them as punctuation anyways, for
# consistency.
if ((cp >= 33 and cp <= 47) or (cp >= 58 and cp <= 64) or
(cp >= 91 and cp <= 96) or (cp >= 123 and cp <= 126)):
return True
cat = unicodedata.category(char)
if cat.startswith("P"):
return True
return False
示例14
def _run_strip_accents(self, text):
"""Strips accents from a piece of text."""
text = unicodedata.normalize("NFD", text)
output = []
for char in text:
cat = unicodedata.category(char)
if cat == "Mn":
continue
output.append(char)
return "".join(output)
示例15
def _is_whitespace(char):
"""Checks whether `chars` is a whitespace character."""
# \t, \n, and \r are technically contorl characters but we treat them
# as whitespace since they are generally considered as such.
if char == " " or char == "\t" or char == "\n" or char == "\r":
return True
cat = unicodedata.category(char)
if cat == "Zs":
return True
return False
示例16
def _is_control(char):
"""Checks whether `chars` is a control character."""
# These are technically control characters but we count them as whitespace
# characters.
if char == "\t" or char == "\n" or char == "\r":
return False
cat = unicodedata.category(char)
if cat.startswith("C"):
return True
return False
示例17
def _is_punctuation(char):
"""Checks whether `chars` is a punctuation character."""
cp = ord(char)
# We treat all non-letter/number ASCII as punctuation.
# Characters such as "^", "$", and "`" are not in the Unicode
# Punctuation class but we treat them as punctuation anyways, for
# consistency.
if ((cp >= 33 and cp <= 47) or (cp >= 58 and cp <= 64) or
(cp >= 91 and cp <= 96) or (cp >= 123 and cp <= 126)):
return True
cat = unicodedata.category(char)
if cat.startswith("P"):
return True
return False
示例18
def text_normalize(text):
text = ''.join(char for char in unicodedata.normalize('NFD', text)
if unicodedata.category(char) != 'Mn') # Strip accents
text = text.lower()
text = re.sub("[^{}]".format(hp.vocab), " ", text)
text = re.sub("[ ]+", " ", text)
return text
示例19
def strip_accents(s):
u = unicode(s, "utf-8")
u_new = ''.join(c for c in ud.normalize('NFKD', u) if ud.category(c) != 'Mn')
return u_new.encode("utf-8")
示例20
def is_whitespace(char):
""" Checks whether `chars` is a whitespace character.
\t, \n, and \r are technically contorl characters but we treat them
as whitespace since they are generally considered as such.
"""
if char == " " or char == "\t" or char == "\n" or char == "\r":
return True
cat = unicodedata.category(char)
if cat == "Zs":
return True
return False
示例21
def is_control(char):
""" Checks whether `chars` is a control character.
These are technically control characters but we count them as whitespace characters.
"""
if char == "\t" or char == "\n" or char == "\r":
return False
cat = unicodedata.category(char)
if cat.startswith("C"):
return True
return False
示例22
def is_punctuation(char):
""" Checks whether `chars` is a punctuation character.
We treat all non-letter/number ASCII as punctuation. Characters such as "^", "$", and "`" are not in the Unicode.
Punctuation class but we treat them as punctuation anyways, for consistency.
"""
cp = ord(char)
if ((cp >= 33 and cp <= 47) or (cp >= 58 and cp <= 64) or (cp >= 91 and cp <= 96) or (cp >= 123 and cp <= 126)):
return True
cat = unicodedata.category(char)
if cat.startswith("P"):
return True
return False
示例23
def strip_accents(text):
"""Strips accents from a piece of text."""
text = unicodedata.normalize("NFD", text)
output = []
for char in text:
cat = unicodedata.category(char)
if cat == "Mn":
continue
output.append(char)
return "".join(output)
示例24
def specialchar(s):
return ''.join(
c for c in unicodedata.normalize('NFD', s)
if unicodedata.category(c) != 'Mn'
)
示例25
def property_chars(self, prefix):
return "".join(six.unichr(x) for x in range(sys.maxunicode)
if unicodedata.category(six.unichr(x)).startswith(prefix))
示例26
def to_unicode(x, unaccent=False):
"""Convert a string to unicode"""
s = str(x)
if unaccent:
cs = [c for c in unicodedata.normalize('NFD', s)
if unicodedata.category(c) != 'Mn']
s = ''.join(cs)
return s
示例27
def _strip_spaces(string):
return ''.join(filter(lambda c: unicodedata.category(c) != "Zs", string))
示例28
def _run_strip_accents(self, text):
"""Strips accents from a piece of text."""
text = unicodedata.normalize("NFD", text)
output = []
for char in text:
cat = unicodedata.category(char)
if cat == "Mn":
continue
output.append(char)
return "".join(output)
示例29
def _is_whitespace(char):
"""Checks whether `chars` is a whitespace character."""
# \t, \n, and \r are technically contorl characters but we treat them
# as whitespace since they are generally considered as such.
if char == " " or char == "\t" or char == "\n" or char == "\r":
return True
cat = unicodedata.category(char)
if cat == "Zs":
return True
return False
示例30
def _is_control(char):
"""Checks whether `chars` is a control character."""
# These are technically control characters but we count them as whitespace
# characters.
if char == "\t" or char == "\n" or char == "\r":
return False
cat = unicodedata.category(char)
if cat.startswith("C"):
return True
return False
