Python unicodedecoderror:“ascii”编解码器无法解码不在范围（128）内的字节0xe2序号

self.response.out.write(yourcontract % {"resident":geted_resident_name, "nacionality":geted_user_nacionality, "SSN":geted_user_SSN, "SSN_error":geted_SSN_error, "driverLicense":geted_user_driverLicense, "email":geted_user_email, "witness ":geted_witness , "owner":geted_owner, "contractType":geted_contractType })

# -*- coding: utf-8 -*- # -*- coding: utf-8 -*- #!/usr/bin/env python # # Copyright 2007 Google Inc. # # Licensed under the Apache License, Version 2.0 (the "License"); # you may not use this file except in compliance with the License. # You may obtain a copy of the License at # # http://www.apache.org/licenses/LICENSE-2.0 # # Unless required by applicable law or agreed to in writing, software # distributed under the License is distributed on an "AS IS" BASIS, # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. # See the License for the specific language governing permissions and # limitations under the License. # import webapp2 form = """ <html> <head> <title>Contract with Python</title> <style type="text/css"> .label {text-align: right} .error {color: red} </style> </head> <body> <h2>Contract with Python</h2> <form method="post"> <table> <tr> <td class="label"> resident </td> <td> <input type="text" name="resident" value= "%(resident)s"> </td> <td class="error"> %(resident_error)s </td> </tr> <tr> <td class="label"> nacionality </td> <td> <input type="text" name="nacionality" value= " "> </td> </tr> <tr> <td class="label"> License </td> <td> <input type="text" name="driverLicense" value=""> </td> </tr> <tr> <td class="label"> SSN </td> <td> <input type="text" name="SSN" value="%(SSN)s"> </td> <td class="error"> %(SSN_error)s </td> </tr> <tr> <td class="label"> Email (optional) </td> <td> <input type="text" name="email" value="%(email)s"> </td> <td class="error"> %(email_error)s </td> </tr> </table> <br> <td class="label"> Contract Type <select name = "contractType"> <option>House Rental Contract</option> <option>Car Rental Contract</option> <option>Other</option> </select> </td> <br> <br> <br> owner <select name = "owner"> <option>House owner</option> <option>Car owner</option> <option>Other owner</option> </select> <br> <br> <br> Witness <select name = "witness"> <option>Carl Sagan</option> <option>Mahatma Gandhi</option> </select> <br> <br> <input type="submit"> </form> </body> </html> """ yourcontract = """ <html> <head> <title>Unit 2 Signup</title> </head> <body> %(contractType)s In consideration of the agreements of the Resident(s), known as: %(resident)s The owner hereby rents them the dwelling located at %(residentAdress)s, for the period commencing on the %(dateStarts)s, and monthly thereafter until the last day of %(dateEnds)s, at which time this Agreement is terminated. Resident(s), in consideration of owners permitting them to occupy the above property, hereby agrees to the following terms: RENT: To pay as rental the sum of $ (rentalSum) per month, due and payable in advance from the first day of every month. Failure to pay rent when due will result in the owner taking immediate legal action to evict the Resident from the premises and seize the security deposit. LATE FEE: Rent received after the first of the month will be subject to a late fee of 10% plus (3.00) dollars per day. ACCEPTED THIS (dateContract), at (localContract). ___________________________________________________ %(resident)s - Resident ___________________________________________________ %(owner)s – owner ___________________________________________________ %(witness)s – Witness </body> </html> """ import re USER_RE = re.compile(r"^[a-zA-Z0-9_-]{3,20}$") def valid_resident(resident): return USER_RE.match(resident) PASS_RE = re.compile(r"^.{3,20}$") def valid_SSN(SSN): return PASS_RE.match(SSN) EMAIL_RE = re.compile(r"^[\S]+@[\S]+\.[\S]+$") def valid_email(email): return EMAIL_RE.match(email) def escape_html(s): for (i,o) in (("&","&"), (">",">"), ("<","<"), ('"','"')): s = s.replace(i,o) return s import time import datetime def dateToday(): today = datetime.datetime.today() todayDay = str(today.day) todayMonth = str(today.month) monthExt = {'1':' January ', '2':'February', '3':' March ', '4':'April', '5':'May', '6':'June', '7 ':' July ', '8':'August', '9':'September', '10':'October', '11':'November ', '12':'December'} todayYear = str(today.year) return(todayDay + ' of ' + monthExtenso[todaymonth] + ' of ' + todayYear) class MainHandler(webapp2.RequestHandler): def get(self): self.response.out.write(form %{"resident": "", "SSN": "", "driverLicense": "", "email":"", "resident_error": "", "SSN_error": "", "driverLicense_error": "", "email_error": ""}) def write_form(self, text_write): self.response.out.write(text_write) def post(self): resident_name = self.request.get(escape_html("resident")) user_nacionality = self.request.get("nacionality") user_SSN = self.request.get(escape_html('SSN')) user_email = self.request.get(escape_html('email')) user_driverLicense = self.request.get(escape_html('driverLicense')) resident_error = "" SSN_error = "" driverLicense_error = "" contract_type = self.request.get("contractType") owner = self.request.get("owner") witness = self.request.get("witness ") if (resident_name and valid_resident(resident_name)) \ and (user_SSN and valid_SSN(user_SSN)) \ and ((not user_email) or (user_email and valid_email(user_email))): self.redirect('/yourcontract?resident=%s&nacionality=%s&SSN=%s&driverLicense=%s&email=%s&witness=%s&owner=%s' % (resident_name, user_nacionality, user_SSN, user_driverLicense, user_email, witness, owner)) else: if not valid_resident(resident_name): resident_error = "Oh no!!! this resident name isn't valid!" if not valid_SSN(user_SSN): SSN_error = "Oh no!!! SSN isn't valid!" if user_email and not valid_email(user_email): email_error = "Oh no!!! e-mail isn't valid!" self.write_form(form % {"resident":resident_name, "resident_error":resident_error, "SSN":user_SSN, "SSN_error":SSN_error, "driverLicense":user_driverLicense, "email":user_email, }) class yourcontractHandler(webapp2.RequestHandler): def get(self): geted_resident_name = self.request.get('resident') geted_user_nacionality = self.request.get("nacionality") geted_user_SSN = self.request.get('SSN') geted_user_email = self.request.get('email') geted_user_driverLicense = self.request.get('driverLicense') geted_resident_error = "" geted_SSN_error = "" geted_driverLicense_error = "" #geted_contract_type = self.request.get("contractType") geted_owner = self.request.get("owner") geted_witness = self.request.get("witness") geted_contractType = self.request.get("contractType") self.response.out.write(yourcontract % {"resident":geted_resident_name, "nacionality":geted_user_nacionality, "SSN":geted_user_SSN, "SSN_error":geted_SSN_error, "driverLicense":geted_user_driverLicense, "email":geted_user_email, "witness ":geted_witness , "owner":geted_owner, "contractType":geted_contractType }) app = webapp2.WSGIApplication([('/', MainHandler), ('/yourcontract', yourcontractHandler)], debug=True)

3条回答

网友

1楼 · 编辑于 2024-10-03 00:16:38

给你答案。

>>> "t".decode("utf-8")
u't'
>>> "\x81".decode("utf-8")
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
  File "encodings/utf_8.py", line 7799, in decode
UnicodeDecodeError: 'utf8' codec can't decode byte 0x81 in position 0: unexpected code byte

>>> "a\x81b".decode("utf-8", "replace")  # this will decode better and the right way.
u'a\ufffdb'

网友

2楼 · 编辑于 2024-10-03 00:16:38

在代码顶部设置默认编码器

在appcfg.py中，它位于/google/appengine/tools/appcfg.py中

第73行添加

import sys
reload(sys)
sys.setdefaultencoding("ISO-8859-1")

网友

3楼 · 编辑于 2024-10-03 00:16:38

你真的应该使用一个合适的模板系统。Jinja2包含在AppEngine中。

但同时，您的问题是，您的模板是ASCII，而您的数据不是（无法判断它是utf-8还是unicode）。简单的解决方案是用u作为每个模板字符串的前缀，使其成为Unicode。

但是，你真的应该使用一个合适的模板系统。

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