PySerial having problems with Arduino Yun about pyserial HOT 10 CLOSED

can you try again with the latest version from git? I pushed a change that should fix this.

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Ok, with 3.0a1 it's like below:

(piotest)MacBook-Pro-ches:tmp ches$ pip list
pip (7.1.2)
pyserial (3.0a1)
setuptools (18.2)
wheel (0.24.0)
(piotest)MacBook-Pro-ches:tmp ches$ python -m serial.tools.list_ports -v
no ports found
(piotest)MacBook-Pro-ches:tmp ches$ ls /dev/cu*
/dev/cu.Bluetooth-Incoming-Port /dev/cu.usbmodem1421
(piotest)MacBook-Pro-ches:tmp ches$ 

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What's the output of:
ioreg -c IOSerialBSDClient | grep IOCalloutDevice

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PySerial 2.7 works with Python 2.7, does not work with 3.5. Weird.

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    | | | |   |   |     |           "IOCalloutDevice" = "/dev/cu.usbmodem14141"
      |           "IOCalloutDevice" = "/dev/cu.Bluetooth-Incoming-Port"

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@hoihu Any good news for me?

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It seems that your Macbook has the proper registry entries.

But it doesn't list any of the callout devices (it should for example also list your cu.Bluetooth-Incoming-Port) - so it's not an issue with your board. On my Imac the cu.Bluetooth-Incoming-Port is listed correctly.

comport() iterates through the registry as apple proposes by using the IOSerialBDSClient service and then through the available IOCalloutDevices (which are mapped as cu.xxxx devices under /dev)

Maybe the Ctypes interface is not working as expected (specifically GetIOServicesByType). I'm running my test under OSX 10.10.3, which version are you using?

There are no additional debug versions available, but you could patch comport() in list_ports_osx.py by adding:

    for service in services:
        print service

this will just print one number per service that was found, but then you have at least a clue that the service has been recognised by the GetIOServicesByType call. If no numbers are showing up then the fault is in the GetIOServicesByType function.

If I find some time I'll do some tests on a Macbook.

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@mseroczynski: Based on your reference, your issue is resolved? Can this be closed then?

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Yup, my issue was resolved, thank you!

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so please close it then...

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