Python UnicodeDecodeError： 'ascii'コーデックは範囲内にないバイト0xe2序数をデコードできません（128）
Google AppEngineで最初のアプリをPython（アプリのリンク： http://contractpy.appspot.com/ -それだけです実験的なアプリ）。コード全体は次のとおりです。
しかし、データを送信すると、次のエラーが発生します（ログに表示されます）。
(...) line 265, in get "contractType":geted_contractType
UnicodeDecodeError: 'ascii' codec can't decode byte 0xe2 in position 949: ordinal not in range(128)
行265はこのifブロックにあります：
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
})
私は変更を加えようとし、同様のawnswers（ this または this など）を読みましたが、何も役に立ちませんでした。このコードでは何が問題になっているのか理解できません。誰かがそのようなエラーの原因とそれを修正する方法を理解できますか？
Python 2.7を使用しています。
助けてくれてありがとう！
# -*- 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)
あなたは本当に適切なテンプレートシステムを使うべきです。 Jinja2はAppEngineに含まれています。
ただし、それまでの間、テンプレートはASCIIですが、データはそうではありません（utf-8かUnicodeかはわかりません）。簡単な解決策は、各テンプレート文字列の前にuを付けることです。 Unicodeにします。
ただし、実際には適切なテンプレートシステムを使用する必要があります。
ここで解決策が得られました。
>>> "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'
コードの先頭にデフォルトのエンコーダーを設定します
/google/appengine/tools/appcfg.py内にあるappcfg.py内
73行目に追加
import sys
reload(sys)
sys.setdefaultencoding("ISO-8859-1")