Import requests not working. Getting "ImportError: No module named requests"

[Gerry Manley]

Hi All,

I would like to use requests to control functions in my Grandstream cameras, example when I activate an input - manually trigger a button or by a timer, I want to send a requests.get command to my grandstream camera to turn On MotionDetect:

"r = requests.get('http://192.168.20.30/goform/motiondetect?cmd=set&md.active.enable=1', auth=('username' , 'password'))

I have correctly installed requests and tested my requirement with a separate py script and it works.

But when I add the code to my webiopi script.py and start the debug, I see this error: ImportError: No module named requests

I believe my problem lies in the /home/pi/WebIOPI-0.6.0/python/webiopi/utils.py as here it shows all the import modules.

I added "import requests" but cannot save the file as it's protected.

Decided not to go further until I got some expert help

/Gerry

[Eric PTAK]

You need to install request for the python version used by webiopi 

see in /etc/init.d/webiopi

if python3 is used, you have to use it to install your libraries.

then you need to import your libraries in your custom script, not in webiopi sources.

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[Shane]

I think I'm having the same problem- I'm running pyusb and importing usb.core to run a Maplin Robot arm. I want to build a web based GUI for it with webiopi.

The test script works and imports usb.core but I get the same no module named usb.core when my custom script is called.

Could you be a bit more detailed about how we go about fixing this- I don't really understand the answer.

Thanks

Shane 

[Eric PTAK]

how did you installed pyusb ?

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[Shane]

If  I remember correctly it was from the instructions on this page:

http://mattdyson.org/projects/robotarm/

ie made a dir pyusb in my home directory and git cloned

https://github.com/walac/pyusb.git

sudo python setup.py install

I assume that this is a path problem is it?

I have the correct portable shebang line

#! /usr/bin/env python

at the top of the python script.

Any help would be appreciated

Thanks

Shane

[Gerry Manley]

Hi Shane,

I went through this with eric's assistance recently:- WebIOPi uses python 3.

How I managed to install requests for python3 as follows:

install pip for python3
sudo apt-get install python3-pip
sudo pip-3.2 install requests

Hope it works as I might need your help later

/Gerry

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Best regards

Gerry Manley

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[Eric PTAK]

try this one :

git clone https://github.com/walac/pyusb.git

cd pyusb

sudo python3 setup.py install

WebIOPi detects which version of python are installed on the system and use the higher one.

On Tue, Jan 7, 2014 at 8:11 AM, Shane <sleste...@googlemail.com> wrote:

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[Shane Lester]

Thanks Eric and Gerry, that cleared it up. I didn't realise I had to use python3. 

After the install I actually had a problem with the RobotArm module not loading. I changed the path to

#! /usr/bin/env python3

(previously just had env python) and this sorted it out too. 

Webiopi now activates the arm test program so thanks very much (off to complete the GUI now- should be a cinch). 

Thanks again. I'm very happy with both the forum help and webiopi. 

Going to donate now to support the project!

Shane

[Eric PTAK]

I'm glad you finally got it !

[Atul Vaghela]

I am having similar problems while loading the xbee module library Xbee-2.1.0 and serial module. How do i resolve this ? i am new to python and webiopi environment.

Thanks,

Atul