The Python "NameError name 'unicode' is not defined" occurs when using the unicode object in Python 3. To solve the error, replace all calls ...
nameerror:name'unicode'isnotdefined[duplicate]LastUpdated:TueAug022022ThePython"NameErrorname'unicode'isnotdefined"occurswhenusingthe
unicodeobjectinPython3.Tosolvetheerror,replaceallcallsto
unicode()withstr()becauseunicodewasrenamedtostrinPython3.,Thestr.encode()methodistheoppositeofbytes.decode()andreturnsa
bytesrepresentationoftheunicodestring,encodedintherequestedencoding.,Makesuretoreplacealloccurrencesofunicodewithstrinyourcode.,OurifstatementchecksiftheversionofthePythoninterpreterisgreateror
equalto3,andifitis,wesettheunicodevariabletothestrclass.Copied!result=str('ABC')
print(result)#👉️'ABC'Copied!
importsys
ifsys.version_info[0]>=3:
unicode=str
print(unicode('ABC'))#👉️"ABC"Copied!my_text='hello'
my_binary_data=bytes(my_text,'utf-8')
print(my_binary_data)#👉️b'hello'Copied!my_text='hello'
my_binary_data=my_text.encode('utf-8')
print(my_binary_data)#👉️b'hello'
my_text_again=my_binary_data.decode('utf-8')
print(my_text_again)#👉️'hello'Copied!my_text='hello'
my_binary_data=bytes(my_text,encoding='utf-8')
print(my_binary_data)#👉️b'hello'
my_text_again=str(my_binary_data,encoding='utf-8')
print(my_text_again)#👉️'hello'Suggestion:2Python3renamedtheunicodetypetostr,theoldstrtypehasbeenreplacedbybytes.ifisinstance(unicode_or_str,str):
text=unicode_or_str
decoded=False
else:
text=unicode_or_str.decode(encoding)
decoded=TrueIfyouneedtohavethescriptkeepworkingonpython2and3asIdid,thismighthelpsomeoneimportsys
ifsys.version_info[0]>=3:
unicode=strandcanthenjustdoforexamplefoo=unicode.lower(foo)YoucanusethesixlibrarytosupportbothPython2and3:importsix
ifisinstance(value,six.string_types):
handle_string(value)Onecanreplaceunicodewithu''.__class__tohandlethemissingunicodeclassinPython3.ForbothPython2and3,youcanusetheconstructisinstance(unicode_or_str,u''.__class__)ortype(unicode_or_str)==type(u'')Python3>>>isinstance(u'text',u''.__class__)
True
>>>
isinstance('text',u''.__class__)
True[Showmore...]HopeyouareusingPython3,
Strareunicodebydefault,soplease
ReplaceUnicodefunctionwithStringStrfunction.ifisinstance(unicode_or_str,str):##Replaceswithstr
text=unicode_or_str
decoded=FalseIfa3rd-partylibraryusesunicodeandyoucan'tchangetheirsourcecode,thefollowingmonkeypatchwillworktousestrinsteadofunicodeinthemodule:import
.unicode=strSuggestion:3ButIgetanexceptionNameError:name'unicode'isnotdefinedwhenIrunthecodeabove.,Theerrormessage"TypeError:decodingUnicodeisnotsupported"isissuedwhentryingtoconvertastringthatisalreadytheretoUnicode.,IthinkversionPython3.8.2isnotsupportedunicode()function.Youcanusestr()functioninstateof:,AttributeError:module'datetime'hasnoattribute'strptime'inPythonvalue=unicode("Python","iso8859_1")
lang="Language"
str1=unicode("name=\""+lang+"\"","iso8859_1")
str2=unicode("name=\""+lang+"\"value=\""+value+"\"","iso8859_1")
print(str1)
print(str2)Traceback(mostrecentcalllast):
File"main.py",line1,in
value=unicode("Python","iso8859_1")
NameError:name'unicode'isnotdefinedifisinstance(details,str):
details=unicode(details,'latin1')value=str("Python")
lang="Language"
str1=str("name=\""+lang+"\"")
str2=str("name=\""+lang+"\"value=\""+value+"\"")
print(str1)
print(str2)name="Language"
name="Language"
value="Python"Suggestion:4YouneedtoportyourcodetoPython3bychangingsomemethodsthathavebeenrenamed.Forexample:unicodeisnowstr,andtheoldPython2strhasbeenrenamedtobytes.,IunderstandthatI’mtryingtorunascriptwrittenforPython2andthat’swhyI’mexperiencingsomanyerrors.CananyonegivemeawaytoconvertthiscodetoPython3?Thanks.,IhighlyrecommendthatyoureadthedocumentationthatexplainshowtoportcodefromPython2to3,aswellaspointingoutwherethislanguageislikelytogointhefuture.,Withopen(filename,“r”,encoding=’utf-8′)youaretellingittoreadthefilewithutf-8encoding.Youwillneedtoexplicitlyspecifytheencodingwhenyouwritethefile,soitknowswhattoread.Inyourcode,justchangeitasfollows:spacy_raw_word=nlp(str(self.word.lower()))
spacy_syn_word=nlp(str(syn_word.lower()))Suggestion:5HopeyouareusingPython3,Strareunicodebydefault,sopleaseReplaceUnicodefunctionwithStringStrfunction.,Onecanreplaceunicodewithu''.__class__tohandlethemissingunicodeclassinPython3.ForbothPython2and3,youcanusetheconstruct,Python3renamedtheunicodetypetostr,theoldstrtypehasbeenreplacedbybytes.,Lastbutnotleast,youcouldjusttrytousethe2to3tooltoseehowthattranslatesthecodeforyou.Python3renamedtheunicodetypetostr,theoldstrtypehasbeenreplacedbybytes.ifisinstance(unicode_or_str,str):text=unicode_or_strdecoded=False
else:text=unicode_or_str.decode(encoding)decoded=TrueIfyouneedtohavethescriptkeepworkingonpython2and3asIdid,thismighthelpsomeoneimportsys
ifsys.version_info[0]>=3:unicode=strandcanthenjustdoforexamplefoo=unicode.lower(foo)YoucanusethesixlibrarytosupportbothPython2and3:importsix
ifisinstance(value,six.string_types):handle_string(value)Onecanreplaceunicodewithu''.__class__tohandlethemissingunicodeclassinPython3.ForbothPython2and3,youcanusetheconstructisinstance(unicode_or_str,u''.__class__)ortype(unicode_or_str)==type(u'')Python3>>>isinstance(u'text',u''.__class__)True>>>isinstance('text',u''.__class__)True[Showmore...]HopeyouareusingPython3,Strareunicodebydefault,sopleaseReplaceUnicodefunctionwithStringStrfunction.ifisinstance(unicode_or_str,str):##Replaceswithstrtext=unicode_or_strdecoded=FalseSuggestion:6Python3renamedtheunicodetypetostr,theoldstrtypehasbeenreplacedbybytes.,
1weekago
Apr18,2021 ·NameError:globalname'unicode'isnotdefined-inPython3inPythonPostedonSunday,April18,2021byadminPython3renamedtheunicodetypetostr,theoldstrtypehasbeenreplacedbybytes.
,IamtryingtouseaPythonpackagecalledbidi.Inamoduleinthispackage(algorithm.py)therearesomelinesthatgivemeerror,althoughitispartofthepackage.,
2daysago
Sep15,2021 ·IgetanexceptionthrowNameError:nameunicodeisnotdefinedinPython3.8.2whenItryingtounicodesomestringtext.
#utf-8?weneedunicode
ifisinstance(unicode_or_str,unicode):text=unicode_or_strdecoded=False
else:text=unicode_or_str.decode(encoding)decoded=Trueifisinstance(unicode_or_str,str):text=unicode_or_strdecoded=False
else:text=unicode_or_str.decode(encoding)decoded=True#utf-8?weneedunicode
ifisinstance(unicode_or_str,unicode):text=unicode_or_strdecoded=False
else:text=unicode_or_str.decode(encoding)decoded=TrueTraceback(mostrecentcalllast):File"",line1,inbidi_text=get_display(reshaped_text)File"C:\Python33\lib\site-packages\python_bidi-0.3.4-py3.3.egg\bidi\algorithm.py",line602,inget_displayifisinstance(unicode_or_str,unicode):NameError:globalname'unicode'isnotdefinedifisinstance(unicode_or_str,str):text=unicode_or_strdecoded=False
else:text=unicode_or_str.decode(encoding)decoded=Trueimportsys
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