Google app engine 如何在Google App Engine中修复此编码错误

我是谷歌应用引擎和Django表单的新手。当我尝试运行以下代码时，出现编码错误：

import webapp2
from google.appengine.ext import db
from google.appengine.ext.webapp import template

from django import newforms as forms
from google.appengine.ext.db import djangoforms

import os
import re

import fix_path
import config
import static

def slugify(s):
    return re.sub('[^a-zA-Z0-9-]+', '-', s).strip('-')

def format_post_path(post, num):
    slug = slugify(post.title)
    if num > 0:
        slug += "-" + str(num)
    return config.post_path_format % {
        'slug': slug,
        'year': post.published.year,
        'month': post.published.month,
        'day': post.published.day,
    }

def render_template(template_name, template_vals=None, theme=None):
    template_path = os.path.join("themes", theme or config.theme, template_name)
    return template.render(template_path, template_vals or {})

class BlogPost(db.Model):
    # The url path to the blog post. Posts have a path if they are published.
    path = db.StringProperty()
    title = db.StringProperty(required=True, Indexed=False)
    body = db.TextProperty(required=True)
    published = db.DateTimeProperty(auto_now_add=True)
    updated = db.DateTimeProperty(auto_now=True) 

def render(self):
    template_vals = {
        'config': config,
        'post': self,
    }
    return render_template("post.html", template_vals)

def publish(self):
    rendered = self.render()
    if not self.path:
        num = 0
        content = None
        while not content:
            path = format_post_path(self, num)
            content = static.add(path, rendered, "text/html")
            num += 1
        self.path = path
        self.put()
    else:
        static.set(self.path, rendered, "text/html")

class PostForm(djangoforms.ModelForm):
    class Meta:
        model = BlogPost
        exclude = ['path', 'published', 'update']

class PostHandler(webapp2.RequestHandler)
    def render_to_response(self, template_name, template_vals=None, theme=None):
        template_name = os.path.join("admin", template_name)
        self.response.out.write(render_template(template_name, template_vals, theme))

    def render_form(self, form):
        self.render_to_response("edit.html", {'form': form})

    def get(self):
        self.render_form(PostForm())

    def post(self)
        form = PostForm(date=self.request.POST)
        if form.is_valid():
            post = form.save(commit=False)
            post.publish()
            self.render_to_response("published.html", {'post': post})
        else:
            self.render_form(form)

app = webapp2.WSGIApplication([('/admin/newpost', PostHandler)],
                              debug=True)

这是回溯

    ERROR    2012-05-08 10:35:03,609 cgi.py:121] Traceback (most recent call last):
      File "C:\Program Files (x86)\Google\google_appengine\google\appengine\tools\dev_appserver_import_hook.py", line 676, in Decorate
        return func(self, *args, **kwargs)
      File "C:\Program Files (x86)\Google\google_appengine\google\appengine\tools\dev_appserver_import_hook.py", line 1911, in get_code
        source_code.decode(encoding)
    UnicodeDecodeError: 'ascii' codec can't decode byte 0xef in position 0: ordinal not in range(128)

INFO     2012-05-08 10:35:03,627 dev_appserver.py:2891] "GET /admin/newpost HTTP/1.1" 500 -

---

回溯没有给我足够的信息来解决问题。有什么想法吗？

当我在appengine上遇到这个问题时，我可以将所有数据清理到unicode/utf-8，然后它就工作了

有些数据不是unicode/utf-8。我在GAE中遇到过几个问题，在某种程度上，不是unicode的总是数据，而不是源代码

---

如果您检查数据和/或源格式，并将所有内容设置为utf-8/unicode，它将起作用。看起来您已经将所有内容都设置为utf-8，但如果仍然出现此错误，则意味着某些字符串或类似内容是utf-8以外的其他字符集。

当appengine出现此问题时，我可以将所有数据清除为unicode/utf-8，然后它就工作了

有些数据不是unicode/utf-8。我在GAE中遇到过几个问题，在某种程度上，不是unicode的总是数据，而不是源代码

---

如果您检查数据和/或源格式，并将所有内容设置为utf-8/unicode，它将起作用。看起来您已经将所有内容都设置为utf-8，但如果仍然出现此错误，则意味着某些字符串或类似内容是utf-8以外的其他字符集。

您确定这是全部回溯吗？您确定这是全部回溯吗？是的，我就是。这就是将Python2.5与2.7代码混合使用的危险。是的，我就是这样。这就是将Python2.5与2.7代码混合的危险所在。