blocks|key|410624|text|Datetime是一个允许处理日期、时间和Datetime(所有这些都是数据类型)的模块。这意味着datetime既是一个顶级模块，也是该模块中的一个类型。这是令人困惑的。|type|unstyled|depth|inlineStyleRanges|offset|length|style|CODE|entityRanges|data|410625|您的错误可能是由于模块的命名混乱，以及您或您正在使用的模块已经导入。|410626|>>>+import+datetime
>>>+datetime
<module+'datetime'+from+'/usr/lib/python2.6/lib-dynload/datetime.so'>
>>>+datetime.datetime(2001,5,1)
datetime.datetime(2001,+5,+1,+0,+0)|code-block|syntax|javascript|410627|但是，如果导入datetime.datetime：|410628|>>>+from+datetime+import+datetime
>>>+datetime
<type+'datetime.datetime'>
>>>+datetime.datetime(2001,5,1)+#+You+shouldn't+expect+this+to+work+
++++++++++++++++++++++++++++++++#+as+you+imported+the+type,+not+the+module
Traceback+(most+recent+call+last):
++File+"<stdin>",+line+1,+in+<module>
AttributeError:+type+object+'datetime.datetime'+has+no+attribute+'datetime'
>>>+datetime(2001,5,1)
datetime.datetime(2001,+5,+1,+0,+0)|410629|我怀疑您或您正在使用的某个模块已经像这样导入了：from+datetime+import+datetime。|410630|entityMap^0|1D|8|0|0|0|0|0|O|T|0^^$0|@$1|2|3|4|5|6|7|U|8|@$9|V|A|W|B|C]]|D|@]|E|$]]|$1|F|3|G|5|6|7|X|8|@]|D|@]|E|$]]|$1|H|3|I|5|J|7|Y|8|@]|D|@]|E|$K|L]]|$1|M|3|N|5|6|7|Z|8|@]|D|@]|E|$]]|$1|O|3|P|5|J|7|10|8|@]|D|@]|E|$K|L]]|$1|Q|3|R|5|6|7|11|8|@$9|12|A|13|B|C]]|D|@]|E|$]]|$1|S|3|-4|5|6|7|14|8|@]|D|@]|E|$]]]|T|$]]

Datetime is a module that allows for handling of dates, times and datetimes (all of which are datatypes). This means that <code>datetime</code> is both a top-level module as well as being a type within that module. This is confusing.

Your error is probably based on the confusing naming of the module, and what either you or a module you're using has already imported.

<pre><code>&gt;&gt;&gt; import datetime
&gt;&gt;&gt; datetime
&lt;module 'datetime' from '/usr/lib/python2.6/lib-dynload/datetime.so'&gt;
&gt;&gt;&gt; datetime.datetime(2001,5,1)
datetime.datetime(2001, 5, 1, 0, 0)
</code></pre>

But, if you import datetime.datetime:

<pre><code>&gt;&gt;&gt; from datetime import datetime
&gt;&gt;&gt; datetime
&lt;type 'datetime.datetime'&gt;
&gt;&gt;&gt; datetime.datetime(2001,5,1) # You shouldn't expect this to work 
 # as you imported the type, not the module
Traceback (most recent call last):
 File "&lt;stdin&gt;", line 1, in &lt;module&gt;
AttributeError: type object 'datetime.datetime' has no attribute 'datetime'
&gt;&gt;&gt; datetime(2001,5,1)
datetime.datetime(2001, 5, 1, 0, 0)
</code></pre>

I suspect you or one of the modules you're using has imported like this:
 <code>from datetime import datetime</code>.

blocks|key|407862|text|你应该使用|type|unstyled|depth|inlineStyleRanges|entityRanges|data|407863|date+=+datetime(int(year),+int(month),+1)|code-block|syntax|javascript|407864|或者改变|407865|from+datetime+import+datetime|407866|至|407867|import+datetime|407868|entityMap^0|0|0|0|0|0|0^^$0|@$1|2|3|4|5|6|7|Q|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|R|8|@]|9|@]|A|$E|F]]|$1|G|3|H|5|6|7|S|8|@]|9|@]|A|$]]|$1|I|3|J|5|D|7|T|8|@]|9|@]|A|$E|F]]|$1|K|3|L|5|6|7|U|8|@]|9|@]|A|$]]|$1|M|3|N|5|D|7|V|8|@]|9|@]|A|$E|F]]|$1|O|3|-4|5|6|7|W|8|@]|9|@]|A|$]]]|P|$]]

You should use

<pre><code>date = datetime(int(year), int(month), 1)
</code></pre>

Or change

<pre><code>from datetime import datetime
</code></pre>

to

<pre><code>import datetime
</code></pre>

blocks|key|407878|text|对于python+3.3|type|unstyled|depth|inlineStyleRanges|entityRanges|data|407879|from+datetime+import+datetime,+timedelta
futuredate+=+datetime.now()+%2B+timedelta(days=10)|code-block|syntax|javascript|407880|entityMap^0|0|0^^$0|@$1|2|3|4|5|6|7|I|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|J|8|@]|9|@]|A|$E|F]]|$1|G|3|-4|5|6|7|K|8|@]|9|@]|A|$]]]|H|$]]

For python 3.3

<pre><code>from datetime import datetime, timedelta
futuredate = datetime.now() + timedelta(days=10)
</code></pre>

blocks|key|410666|text|如果您使用过：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|410667|from+datetime+import+datetime|code-block|syntax|javascript|410668|然后，只需将代码编写为：|410669|date+=+datetime(int(year),+int(month),+1)|410670|但是如果你使用过：|410671|import+datetime|410672|然后只有你才能写：|410673|date+=+datetime.datetime(int(2005),+int(5),+1)|410674|entityMap^0|0|0|0|0|0|0|0|0^^$0|@$1|2|3|4|5|6|7|U|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|V|8|@]|9|@]|A|$E|F]]|$1|G|3|H|5|6|7|W|8|@]|9|@]|A|$]]|$1|I|3|J|5|D|7|X|8|@]|9|@]|A|$E|F]]|$1|K|3|L|5|6|7|Y|8|@]|9|@]|A|$]]|$1|M|3|N|5|D|7|Z|8|@]|9|@]|A|$E|F]]|$1|O|3|P|5|6|7|10|8|@]|9|@]|A|$]]|$1|Q|3|R|5|D|7|11|8|@]|9|@]|A|$E|F]]|$1|S|3|-4|5|6|7|12|8|@]|9|@]|A|$]]]|T|$]]

If you have used:

<pre><code>from datetime import datetime
</code></pre>

Then simply write the code as:

<pre><code>date = datetime(int(year), int(month), 1)
</code></pre>

But if you have used:

<pre><code>import datetime
</code></pre>

then only you can write:

<pre><code>date = datetime.datetime(int(2005), int(5), 1)
</code></pre>

blocks|key|3243159|text|您真的应该将模块导入到它自己的别名中。|type|unstyled|depth|inlineStyleRanges|offset|length|style|BOLD|entityRanges|data|3243160|import+datetime+as+dt
my_datetime+=+dt.datetime(year,+month,+day)|code-block|syntax|javascript|3243161|与其他解决方案相比，上述解决方案具有以下优势：|3243162|由于datetime模块(datetime.date).|CODE|3243163|The模块中已经存在date，并且类(都称为datetime)不会相互影响，因此datetime调用变量my_datetime而不是date可以减少混淆。|unordered-list-item|3243164|3243165|entityMap^0|F|2|0|0|0|D|D|0|A|4|M|8|1G|B|1U|4|0|0^^$0|@$1|2|3|4|5|6|7|V|8|@$9|W|A|X|B|C]]|D|@]|E|$]]|$1|F|3|G|5|H|7|Y|8|@]|D|@]|E|$I|J]]|$1|K|3|L|5|6|7|Z|8|@]|D|@]|E|$]]|$1|M|3|N|5|6|7|10|8|@$9|11|A|12|B|O]]|D|@]|E|$]]|$1|P|3|Q|5|R|7|13|8|@$9|14|A|15|B|O]|$9|16|A|17|B|O]|$9|18|A|19|B|O]|$9|1A|A|1B|B|O]]|D|@]|E|$]]|$1|S|3|-4|5|6|7|1C|8|@]|D|@]|E|$]]|$1|T|3|-4|5|6|7|1D|8|@]|D|@]|E|$]]]|U|$]]

You should really import the module into its own alias.

<pre><code>import datetime as dt
my_datetime = dt.datetime(year, month, day)
</code></pre>

The above has the following benefits over the other solutions:

<ul>
<li>Calling the variable <code>my_datetime</code> instead of <code>date</code> reduces confusion since there is already a <code>date</code> in the datetime module (<code>datetime.date</code>).</li>
<li>The module and the class (both called <code>datetime</code>) do not shadow each other.</li>
</ul>

blocks|key|3456163|text|我发现这要容易得多|type|unstyled|depth|inlineStyleRanges|entityRanges|data|3456164|from+dateutil+import+relativedelta
relativedelta.relativedelta(end_time,start_time).seconds|code-block|syntax|javascript|3456165|entityMap^0|0|0^^$0|@$1|2|3|4|5|6|7|I|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|J|8|@]|9|@]|A|$E|F]]|$1|G|3|-4|5|6|7|K|8|@]|9|@]|A|$]]]|H|$]]

I found this to be a lot easier 

<pre><code>from dateutil import relativedelta
relativedelta.relativedelta(end_time,start_time).seconds
</code></pre>

blocks|key|3456169|text|from+datetime+import+datetime
import+time
from+calendar+import+timegm
d+=+datetime.utcnow()
d+=+d.strftime("%25Y-%25m-%25dT%25H:%25M:%25S.%25fZ")
utc_time+=+time.strptime(d,"%25Y-%25m-%25dT%25H:%25M:%25S.%25fZ")
epoch_time+=+timegm(utc_time)|type|code-block|depth|inlineStyleRanges|entityRanges|data|syntax|javascript|3456170|unstyled|entityMap^0|0^^$0|@$1|2|3|4|5|6|7|G|8|@]|9|@]|A|$B|C]]|$1|D|3|-4|5|E|7|H|8|@]|9|@]|A|$]]]|F|$]]

<pre><code>from datetime import datetime
import time
from calendar import timegm
d = datetime.utcnow()
d = d.strftime("%Y-%m-%dT%H:%M:%S.%fZ")
utc_time = time.strptime(d,"%Y-%m-%dT%H:%M:%S.%fZ")
epoch_time = timegm(utc_time)
</code></pre>

blocks|key|404635|text|我遇到了同样的错误，可能您已经通过仅使用import+datetime导入了模块，因此请将form+datetime+import+datetime更改为仅使用import+datetime。在我把它改回来后，它对我起作用了。|type|unstyled|depth|inlineStyleRanges|offset|length|style|CODE|entityRanges|data|404636|entityMap^0|K|F|19|T|28|F|0^^$0|@$1|2|3|4|5|6|7|H|8|@$9|I|A|J|B|C]|$9|K|A|L|B|C]|$9|M|A|N|B|C]]|D|@]|E|$]]|$1|F|3|-4|5|6|7|O|8|@]|D|@]|E|$]]]|G|$]]

I run into the same error maybe you have already imported the module by using only <code>import datetime</code> so change <code>form datetime import datetime</code> to only <code>import datetime</code>. It worked for me after I changed it back.

blocks|key|3456246|text|import+time
import+datetime
from+datetime+import+date,timedelta|type|code-block|depth|inlineStyleRanges|entityRanges|data|syntax|javascript|3456247|您必须已从datetime导入datetime。|unstyled|offset|length|style|CODE|3456248|entityMap^0|0|5|8|F|8|0^^$0|@$1|2|3|4|5|6|7|M|8|@]|9|@]|A|$B|C]]|$1|D|3|E|5|F|7|N|8|@$G|O|H|P|I|J]|$G|Q|H|R|I|J]]|9|@]|A|$]]|$1|K|3|-4|5|F|7|S|8|@]|9|@]|A|$]]]|L|$]]

<pre class="lang-py prettyprint-override"><code>import time
import datetime
from datetime import date,timedelta
</code></pre>
You must have imported <code>datetime</code> from <code>datetime</code>.

I have gotten the following error:

<blockquote>
 type object 'datetime.datetime' has no attribute 'datetime'
</blockquote>

On the following line:

<pre><code>date = datetime.datetime(int(year), int(month), 1)
</code></pre>

Does anybody know the reason for the error?

I imported datetime with <code>from datetime import datetime</code> if that helps

Thanks

type object 'datetime.datetime' has no attribute 'datetime'

我得到了以下错误：datetime类型对象“datetime.datetime”没有属性“”在以下行中：date = datetime.datetime(int(year), int(month), 1)有谁知道错误的原因吗？如果有帮助的话，我用from datetime import datetime导入了datet...

问类型对象“datetime.datetime”没有属性“datetime”
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