windows python 3.5.1 aiohttp 0.22.5 ImportError: No module named 'aiohttp.multidict'

[dziz...@gmail.com]

Hi!

I'm experiencing on Windows python 3.5.1 aiohttp 0.22.5 the following:

ImportError: No module named 'aiohttp.multidict'

does anyone knows how to solve it?

Thanks!

[Andrew Svetlov]

Did you install the library by `pip install aiohttp` ??
aiohttp has `multidict` as dependency (as well as chardet).
aiohttp==0.22.5 depends from multidict==1.2.2
All dependencies should be installed automatically by pip tool.

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Thanks,

Andrew Svetlov

[dziz...@gmail.com]

Hi!

Yes, all installed using pip:

Please see attachement.

[Andrew Svetlov]

If you have multidict==1.2.2 installed everything should work fine.

Please try the following inside an interactive shell:

>>> import multidict
>>> import aiohtp
>>> import aiohttp.multidict

[dziz...@gmail.com]

Python 3.5.1 (v3.5.1:37a07cee5969, Dec  6 2015, 01:38:48) [MSC v.1900 32 bit (Intel)] on win32

Type "help", "copyright", "credits" or "license" for more information.

>>>

>>>

>>> import multidict

>>> import aiohttp

>>> import aiorest

Traceback (most recent call last):

  File "<stdin>", line 1, in <module>

  File "c:\dev\aioenv\lib\site-packages\aiorest\__init__.py", line 37, in <module>

    from .server import RESTServer

  File "c:\dev\aioenv\lib\site-packages\aiorest\server.py", line 9, in <module>

    from .handler import RESTRequestHandler

  File "c:\dev\aioenv\lib\site-packages\aiorest\handler.py", line 9, in <module>

    from .request import Request

  File "c:\dev\aioenv\lib\site-packages\aiorest\request.py", line 7, in <module>

    from aiohttp.multidict import MultiDict, CIMultiDict, MultiDictProxy

ImportError: No module named 'aiohttp.multidict'

[Andrew Svetlov]

Finally got your problem.
`aiorest` project is abandoned, README explicitly states this.
All aiorest functionality (and even much more) is supported by aiohttp itself.

Please just never try to install aiorest -- it literally doesn't work

[dzizes]

Andrew,

Thanks for the tip! Do you by chance have a good aiohttp server example which servers json's as a result of postgres queries?

Cheers!

---
Explicit is better than implicit.

[Andrew Svetlov]

On Sunday, August 7, 2016 at 6:33:04 PM UTC+3, dzizes wrote:

Do you by chance have a good aiohttp server example which servers json's as a result of postgres queries?

Not yet.

 

But it's really trivial: use `request.json()` for parsing incoming data and json_response()  http://aiohttp.readthedocs.io/en/stable/web_reference.html#json-response for sending results back.

If you want to contribute into aiohttp documentation -- you are welcome!

[dziz...@gmail.com]

whoud that be ok: https://gist.github.com/dzizes/1d2614a4a9dd7126d2a2679c23b5dfbf

do you have a template gist project like in: 

http://igordavydenko.com/talks/lvivpy-4/#slide-47

thanks!

[Andrew Svetlov]

Recreation of Postgres and Mongo clients for every requests is not ok

Try https://github.com/KeepSafe/aiohttp/tree/master/demos/polls

--

Thanks,

Andrew Svetlov