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Python - read csv file of unicode substitutions


Python - read csv file of unicode substitutions

By : VMaw
Date : November 21 2020, 12:01 PM
Hope this helps I need to replace unicode according to a custom set of substitutions. The custom substitutions are defined by someone else's API and I basically just have to deal with it. As it stands I have extracted all the required substitutions into a csv file. Here's a sample: , I don't think your problem actually exists:
code :
>>> u'\xe0' == u'\u00e0'
True
def replace_UTF8(self, string):
    for old, new in self.mapping:
        print new
        string.replace(old, new)
    return string
def replace_UTF8(self, string):
    for old, new in self.mapping:
        print new
        string = string.replace(old, new)
    return string
def replace_UTF8(self, string):
    u = string.decode('utf-8')
    for old, new in self.mapping:
        print new
        u = u.replace(old, new)
    return u.encode('utf-8')
mapping = {}
for row in reader:
    mapping[ord(row[0].decode("unicode_escape"))] = ord(row[1])
def replace_UTF8(self, string):
    return string.decode('utf-8').translate(self.mapping).encode('utf-8')


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Read a unicode file in python which declares its encoding in the same way as python source

Read a unicode file in python which declares its encoding in the same way as python source


By : B_Scheiner
Date : March 29 2020, 07:55 AM
wish helps you You should be able to roll your own decoder in Python. If you're only supporting 8-bit encodings which are supersets of ASCII the code below should work as-is.
If you need support 2-byte encodings like UTF-16 you'd need to augment the pattern to match \x00c\x00o.. or the reverse, depending on the byte order mark. First, generate a few test files which advertise their encoding:
code :
import codecs, sys
for encoding in ('utf-8', 'cp1252'):
    out = codecs.open('%s.txt' % encoding, 'w', encoding)
    out.write('# coding = %s\n' % encoding)
    out.write(u'\u201chello se\u00f1nor\u201d')
    out.close()
import codecs, re

def open_detect(path):
    fin = open(path, 'rb')
    prefix = fin.read(80)
    encs = re.findall('#\s*coding\s*=\s*([\w\d\-]+)\s+', prefix)
    encoding = encs[0] if encs else 'utf-8'
    fin.seek(0)
    return codecs.EncodedFile(fin, 'utf-8', encoding)

for path in ('utf-8.txt','cp1252.txt'):
    fin = open_detect(path)
    print repr(fin.readlines())
['# coding = utf-8\n', '\xe2\x80\x9chello se\xc3\xb1nor\xe2\x80\x9d']
['# coding = cp1252\n', '\xe2\x80\x9chello se\xc3\xb1nor\xe2\x80\x9d']
read a unicode text file using python

read a unicode text file using python


By : LingPung
Date : March 29 2020, 07:55 AM
wish helps you "Unicode" mode on Windows generally means UTF-16LE with a byte-order marker (BOM). If you're on Python 2.X, open the file with codecs.open(filename, encoding='utf-16') as described in the Unicode How-To section on reading Unicode data. If you're on 3.x, you can just use open(filename, encoding='utf-16').
Writing it out again will depend on what encoding you're trying to write to.
Unicode Substitutions using Regex , Python

Unicode Substitutions using Regex , Python


By : War Construct
Date : March 29 2020, 07:55 AM
will help you I have a string as follows: ,
I have a string as follows:
code :
str1 = "heylisten\uff08there is something\uff09to say \uffa9"
str1 = u"heylisten\uff08there is something\uff09to say \uffa9"
 ...
p1 = re.sub(ur'([\uff00-\uffe9])', r' \1 ', str1)
Read and write unicode from file in Python

Read and write unicode from file in Python


By : Santosh Basani
Date : March 29 2020, 07:55 AM
hope this fix your issue Open your file for read in bytes using open(filename, 'rb') and then save it with the appropriate encoding
How to read Unicode file as Unicode string in Python

How to read Unicode file as Unicode string in Python


By : zjb.jiabao
Date : March 29 2020, 07:55 AM
will be helpful for those in need The term "Unicode" refers to the standard, not to a particular encoding. Since files in computers are binary, there exist different ways of encoding Unicode data in binary files. One of them is "UTF-8".
You can consult https://docs.python.org/3/howto/unicode.html
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