I have been working on a program to retrieve questions from Stack Overflow. Till yesterday the program was working fine, but since today I'm getting the error
"Message File Name Line Position
Traceback
<module> C:\Users\DPT\Desktop\questions.py 13
UnicodeEncodeError: 'ascii' codec can't encode character u'\u201c' in position 34: ordinal not in range(128)"
Currently, the questions are being displayed, but I seem to be unable to copy the output to a new text file.
import sys
sys.path.append('.')
import stackexchange
so = stackexchange.Site(stackexchange.StackOverflow)
term= raw_input("Enter the keyword for Stack Exchange")
print 'Searching for %s...' % term,
sys.stdout.flush()
qs = so.search(intitle=term)
print '\r--- questions with "%s" in title ---' % (term)
for q in qs:
print '%8d %s' % (q.id, q.title)
with open('E:\questi.txt', 'a+') as question:
question.write(q.title)
time.sleep(10)
with open('E:\questi.txt') as intxt:
data = intxt.read()
regular = re.findall('[aA-zZ]+', data)
print(regular)
tokens = set(regular)
with open('D:\Dictionary.txt', 'r') as keywords:
keyset = set(keywords.read().split())
with open('D:\Questionmatches.txt', 'w') as matches:
for word in keyset:
if word in tokens:
matches.write(word + '\n')
Only a limited number of Unicode characters are mapped to strings. Thus, any character that is not-represented / mapped will cause the encoding to fail and raise UnicodeEncodeError. To avoid this error use the encode( utf-8 ) and decode( utf-8 ) functions accordingly in your code.
The UnicodeEncodeError normally happens when encoding a unicode string into a certain coding. Since codings map only a limited number of unicode characters to str strings, a non-presented character will cause the coding-specific encode() to fail. Encoding from unicode to str. >>>
q.title
is a Unicode string. When writing that to a file, you need to encode it first, preferably a fully Unicode-capable encoding such as UTF-8
(if you don't, Python will default to using the ASCII
codec which doesn't support any character codepoint above 127
).
question.write(q.title.encode("utf-8"))
should fix the problem.
By the way, the program tripped up on character “
(U+201C
).
I ran into this as well using Transifex API
response['source_string']
UnicodeEncodeError: 'ascii' codec can't encode character u'\u2019' in position 3: ordinal not in range(128)
Fixed with response['source_string'].encode("utf-8")
import requests
username = "api"
password = "PASSWORD"
AUTH = (username, password)
url = 'https://www.transifex.com/api/2/project/project-site/resource/name-of-resource/translation/en/strings/?details'
response = requests.get(url, auth=AUTH).json()
print response['key'], response['context']
print response['source_string'].encode("utf-8")
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