Django ValueError
Django ValueError
提问于 2012-12-05 15:31:49
当我在一本名为“实践Django项目”的书上做练习时，我遇到了一些problem.When，我点击了我的文章中关于细节的网址，它返回了一个错误。
urls.py
url(r'^weblog/$','django.views.generic.date_based.archive_index',entry_info_dict),
url(r'^weblog/(P<year>\d{4}/$)','django.views.generic.date_based.archive_year', entry_info_dict),
url(r'^weblog/(P<year>\d{4}/(P<month>\w{3})/$)','django.views.generic.date_based.archive_month', entry_info_dict),
url(r'^weblog/(P<year>\d{4}/(P<month>\w{3})/(P<day>\d{2})/$)','django.views.generic.date_based.archive_day', entry_info_dict),
url(r'^weblog/(?P<year>\d{4}/(?P<month>\w{3})/(P<day>\d{2})/(P<slug>[-\w]+)/$)',"blogCategory.views.entry_detail"),views.py
def entry_detail(request, year, month, day, slug):
date_stamp=time.strptime(year+month+day, "%Y%b%d")
pub_date=datetime.date(*date_stamp[:3])
entry=get_object_or_404(Entry,pub_date__year=pub_date.year,
pub_date__month=pub_date.month,
pub_date__day=pub_date.day,
slug=slug)
return render_to_response('Entry/entry_detail.html',{'entry': entry })错误：
Traceback :
ValueError at /weblog/2012/dec/04/test22/
time data u'2012/dec/04/test22/dec04' does not match format '%Y%b%d'
Request Method: GET
Request URL: /weblog/2012/dec/04/test22/
Django Version: 1.4.1
Exception Type: ValueError
Exception Value:
time data u'2012/dec/04/test22/dec04' does not match format '%Y%b%d'
Exception Location: /usr/lib/python2.7/_strptime.py in _strptime, line 325
Python Executable: /usr/bin/python
Python Version: 2.7.3回答 1
Stack Overflow用户
回答已采纳
发布于 2012-12-05 15:46:42
错误的数据被传递给了strptime，请看这里：
>>> time.strptime('2012dec04','%Y%b%d')
time.struct_time(tm_year=2012, tm_mon=12, tm_mday=4, tm_hour=0, tm_min=0, tm_sec=0, tm_wday=1, tm_yday=339, tm_isdst=-1)
>>> time.strptime('2012/dec/04/test22/dec04','%Y%b%d')
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
File "/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/_strptime.py", line 454, in _strptime_time
return _strptime(data_string, format)[0]
File "/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/_strptime.py", line 325, in _strptime
(data_string, format))
ValueError: time data '2012/dec/04/test22/dec04' does not match format '%Y%b%d'
>>> 原因是因为你的第一个群没有关闭：
# yours
url(r'^weblog/(?P<year>\d{4}/(?P<month>\w{3})/(P<day>\d{2})/(P<slug>[-\w]+)/$)',"blogCategory.views.entry_detail"),
# change to
url(r'^weblog/(?P<year>\d{4})/(?P<month>\w{3})/(P<day>\d{2})/(P<slug>[-\w]+)/$',"blogCategory.views.entry_detail"),您让第一个组在$周围关闭，而不是在第一个/之前关闭
页面原文内容由Stack Overflow提供。腾讯云小微IT领域专用引擎提供翻译支持
原文链接：
https://stackoverflow.com/questions/13718343
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