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<p>在我正在开发的Flask应用程序中,我需要向用户显示Unicode文本。在Python shell中测试它们时,我的函数似乎工作得很好:</p>
<pre><code>>>> sr = rym_scraper.get_artist_info('sigur ros')
>>> print sr.name # a string encoded using str.encode('utf8')
Sigur Rós
</code></pre>
<p>当我在应用程序中测试它时,我会得到:</p>
<pre><code>UnicodeDecodeError: 'ascii' codec can't decode byte 0xc3 in position 3: ordinal not in range(128)
</code></pre>
<p>在模板中出现最后一个异常时,它将生成此堆栈跟踪:</p>
<pre><code>Traceback (most recent call last):
File "/Users/eric/Envs/whatshouldilistento/lib/python2.7/site-packages/flask/app.py", line 1701, in __call__
return self.wsgi_app(environ, start_response)
File "/Users/eric/Envs/whatshouldilistento/lib/python2.7/site-packages/flask/app.py", line 1689, in wsgi_app
response = self.make_response(self.handle_exception(e))
File "/Users/eric/Envs/whatshouldilistento/lib/python2.7/site-packages/flask/app.py", line 1687, in wsgi_app
response = self.full_dispatch_request()
File "/Users/eric/Envs/whatshouldilistento/lib/python2.7/site-packages/flask/app.py", line 1360, in full_dispatch_request
rv = self.handle_user_exception(e)
File "/Users/eric/Envs/whatshouldilistento/lib/python2.7/site-packages/flask/app.py", line 1358, in full_dispatch_request
rv = self.dispatch_request()
File "/Users/eric/Envs/whatshouldilistento/lib/python2.7/site-packages/flask/app.py", line 1344, in dispatch_request
return self.view_functions[rule.endpoint](**req.view_args)
File "/Users/eric/projects/whatshouldilistento/app/app.py", line 29, in enter_band
return band_info(form.name.data)
File "/Users/eric/projects/whatshouldilistento/app/app.py", line 45, in band_info
return render_template('band_info.html')
File "/Users/eric/Envs/whatshouldilistento/lib/python2.7/site-packages/flask/templating.py", line 125, in render_template
context, ctx.app)
File "/Users/eric/Envs/whatshouldilistento/lib/python2.7/site-packages/flask/templating.py", line 107, in _render
rv = template.render(context)
File "/Users/eric/Envs/whatshouldilistento/lib/python2.7/site-packages/jinja2/environment.py", line 969, in render
return self.environment.handle_exception(exc_info, True)
File "/Users/eric/Envs/whatshouldilistento/lib/python2.7/site-packages/jinja2/environment.py", line 742, in handle_exception
reraise(exc_type, exc_value, tb)
File "/Users/eric/projects/whatshouldilistento/app/templates/band_info.html", line 9, in top-level template code
<div>{{ message }}</div>
UnicodeDecodeError: 'ascii' codec can't decode byte 0xc3 in position 3: ordinal not in range(128)
</code></pre>
<p>如何在呈现的模板中显示Unicode字符串?</p>