Installation problems on windows #117

ZhengyangSun1020 · 2021-04-09T13:20:31Z

Hi, I used the pip install pyk4a --no-use-pep517 --global-option=build_ext --global-option="-IC:\Program Files\Azure Kinect SDK v1.4.1\sdk\include" --global-option="-LC:\Program Files\Azure Kinect SDK v1.4.1\sdk\windows-desktop\amd64\release\lib"
And get this error:
D:\download\avaconda\envs\py39\lib\site-packages\pip_internal\commands\install.py:230: UserWarning: Disabling all use of wheels due to the use of --build-option / --global-option / --install-option.
cmdoptions.check_install_build_global(options)
Collecting pyk4a
Using cached pyk4a-1.2.3.tar.gz (20 kB)
Collecting numpy
Using cached numpy-1.20.2.zip (7.8 MB)
Requirement already satisfied: python_version>="3.4" in d:\download\avaconda\envs\py39\lib\site-packages (from pyk4a) (0.0.2)
Skipping wheel build for pyk4a, due to binaries being disabled for it.
Skipping wheel build for numpy, due to binaries being disabled for it.
Installing collected packages: numpy, pyk4a
Running setup.py install for numpy ... error

ZhengyangSun1020 · 2021-04-09T13:22:37Z

And I meet the issue like
when importing:
from pyk4a import PyK4A
I hit the issue:
"DLL load failed while importing k4a_module: The specified module could not be found"

ZhengyangSun1020 · 2021-04-09T13:25:21Z

the last environment I used is python 3.9
When I changed to python3.8, use pip install pyk4a --no-use-pep517 --global-option=build_ext --global-option="-IC:\Program Files\Azure Kinect SDK v1.4.1\sdk\include" --global-option="-LC:\Program Files\Azure Kinect SDK v1.4.1\sdk\windows-desktop\amd64\release\lib"
Get the same issue:
D:\download\avaconda\lib\site-packages\pip_internal\commands\install.py:230: UserWarning: Disabling all use of wheels due to the use of --build-option / --global-option / --install-option.

lpasselin · 2021-04-09T13:43:56Z

There were changes yesterday in the pypi package, thanks a lot for reporting. I am checking this right now.

lpasselin · 2021-04-09T14:11:47Z

I read your information too quickly.
The issue is not related to the PyPi package. It is related to your Windows environment not finding the DLL.
To be certain, you could you try installing pyk4a==1.1.0 but I doubt that will make any difference.

UserWarning: Disabling all use of wheels due to the use of --build-option / --global-option / --install-option.
Is fine. You are not using wheels. We use sdist so you compile the C part of pyk4a yourself when installing pyk4a through pip. The compilation part is not working for you.

This seems to be the problem:

Installing collected packages: **numpy**, pyk4a`
Running setup.py install for numpy ... error

Can you try adding --no-build-isolation and/or removing --no-use-pep517?
And try removing --no-use-pep517
Make sure you pip uninstall pyk4a if retrying after a failure.

lpasselin · 2021-04-09T14:17:04Z

Also, make sure you have numpy installed before installing pyk4a.

ZhengyangSun1020 · 2021-04-09T16:02:16Z

Okay, I uninstall the pyk4a and install numpy. And then I tried to run like this:
pip install pyk4a --no-build-isolation --global-option=build_ext --global-option="-IC:\Program Files\Azure Kinect SDK v1.4.1\sdk\include" --global-option="-LC:\Program Files\Azure Kinect SDK v1.4.1\sdk\windows-desktop\amd64\release\lib"

The result is
D:\download\avaconda\lib\site-packages\pip_internal\commands\install.py:230: UserWarning: Disabling all use of wheels due to the use of --build-option / --global-option / --install-option.
cmdoptions.check_install_build_global(options)
Collecting pyk4a
Using cached pyk4a-1.2.3.tar.gz (20 kB)
Preparing wheel metadata ... done
Requirement already satisfied: python-version>="3.4" in d:\download\avaconda\lib\site-packages (from pyk4a) (0.0.2)
Requirement already satisfied: numpy in d:\download\avaconda\lib\site-packages (from pyk4a) (1.19.2)
Building wheels for collected packages: pyk4a
Building wheel for pyk4a (PEP 517) ... error

lpasselin · 2021-04-09T16:10:39Z

Are you sure the Paths that you provide with the command are right?
--global-option="-IC:\Program Files\Azure Kinect SDK v1.4.1\sdk\include" --global-option="-LC:\Program Files\Azure Kinect SDK v1.4.1\sdk\windows-desktop\amd64\release\lib"

If there is an error these, I would suggest retrying from the start, with the command in the README (with your custom paths)

Also, do you see any other error logs that could help us find the problem?

ZhengyangSun1020 · 2021-04-09T16:12:54Z

Yep, I'm sure the path is right.....
I will try again

shagren · 2021-04-09T16:20:41Z

worked for me with --no-use-pep517 :

>pip install pyk4a  --no-use-pep517  --global-option=build_ext --global-option="-IC:\Program Files\Azure Kinect SDK v1.4.1\sdk\include" --global-option="-LC:\Program Files\Azure Kinect SDK v1.4.1\sdk\windows-desktop\amd64\release\lib"
c:\users\azure\pycharmprojects\xxx\venv\lib\site-packages\pip\_internal\commands\install.py:230: UserWarning: Disabling all use of wheels due to the use of --build-option / --global-option / --install-option.
  cmdoptions.check_install_build_global(options)
Collecting pyk4a
  Using cached pyk4a-1.2.3.tar.gz (20 kB)
Requirement already satisfied: numpy in c:\users\azure\pycharmprojects\xxx\venv\lib\site-packages (from pyk4a) (1.20.2)
Requirement already satisfied: python_version>="3.4" in c:\users\azure\pycharmprojects\xxx\venv\lib\site-packages (from pyk4a) (0.0.2)
Skipping wheel build for pyk4a, due to binaries being disabled for it.
Installing collected packages: pyk4a
    Running setup.py install for pyk4a ... done
Successfully installed pyk4a-1.2.3

Python 3.8.5

ZhengyangSun1020 · 2021-04-09T16:20:43Z

Oh...When I use the code in readme again. It works good.

D:\download\avaconda\lib\site-packages\pip\_internal\commands\install.py:230: **UserWarning: Disabling all use of wheels due to the use of --build-option / --global-option / --install-option.**
  cmdoptions.check_install_build_global(options)
Collecting pyk4a
  Using cached pyk4a-1.2.3.tar.gz (20 kB)
Requirement already satisfied: numpy in d:\download\avaconda\lib\site-packages (from pyk4a) (1.19.2)
Requirement already satisfied: python_version>="3.4" in d:\download\avaconda\lib\site-packages (from pyk4a) (0.0.2)
Skipping wheel build for pyk4a, due to binaries being disabled for it.
Installing collected packages: pyk4a
    Running setup.py install for pyk4a ... done
Successfully installed pyk4a-1.2.3

But sorry to trouble again, when I run from pyk4a import PyK4A
the result is : ImportError: DLL load failed while importing k4a_module: The specified module could not be found.

shagren · 2021-04-09T16:27:31Z

@ZhengyangSun1020 ,

I have next code for windows in some module

def _add_dll_directory(path: Path):
    from ctypes import c_wchar_p, windll  # type: ignore
    from ctypes.wintypes import DWORD

    AddDllDirectory = windll.kernel32.AddDllDirectory
    AddDllDirectory.restype = DWORD
    AddDllDirectory.argtypes = [c_wchar_p]
    AddDllDirectory(str(path))


def kinect():
    if sys.platform != "win32":
        return
    env_path = os.getenv("KINECT_LIBS", None)
    if env_path:
        candidate = Path(env_path)
        dll = candidate / "k4a.dll"
        if dll.exists():
            _add_dll_directory(candidate)
            return
    # autodetecting
    program_files = Path("C:\\Program Files\\")
    for dir in sorted(program_files.glob("Azure Kinect SDK v*"), reverse=True):
        candidate = dir / "sdk" / "windows-desktop" / "amd64" / "release" / "bin"
        dll = candidate / "k4a.dll"
        if dll.exists():
            _add_dll_directory(candidate)
            return

You need to call kinect() before importing from pyk4a

@lpasselin , maybe it's time to add this trick to package or readme because all love funnyng windows?

lpasselin · 2021-04-09T16:27:51Z

Check out the thread and this comment #68 (comment)

lpasselin · 2021-04-09T16:33:47Z

@shagren I agree but I am unable to test any of this. I don't have a windows machine.

We should at least add a try except with a link to a FAQ that explains the situation?

I can't believe all python programs are forced to do this on windows!
Maybe we are doing something wrong during install

ZhengyangSun1020 · 2021-04-09T16:39:14Z

Sorry, I'm the beginner with too many problems
when I add this code before:

`def _add_dll_directory(path: Path):
    from ctypes import c_wchar_p, windll  # type: ignore
    from ctypes.wintypes import DWORD

    AddDllDirectory = windll.kernel32.AddDllDirectory
    AddDllDirectory.restype = DWORD
    AddDllDirectory.argtypes = [c_wchar_p]
    AddDllDirectory(str(path))


def kinect():
    if sys.platform != "win32":
        return
    env_path = os.getenv("KINECT_LIBS", None)
    if env_path:
        candidate = Path(env_path)
        dll = candidate / "k4a.dll"
        if dll.exists():
            _add_dll_directory(candidate)
            return
    # autodetecting
    program_files = Path("C:\\Program Files\\")
    for dir in sorted(program_files.glob("Azure Kinect SDK v*"), reverse=True):
        candidate = dir / "sdk" / "windows-desktop" / "amd64" / "release" / "bin"
        dll = candidate / "k4a.dll"
        if dll.exists():
            _add_dll_directory(candidate)
            return`

But it says the path is not defined

ZhengyangSun1020 · 2021-04-09T16:40:09Z

@shagren I agree but I am unable to test any of this. I don't have a windows machine.

We should at least add a try except with a link to a FAQ that explains the situation?

I can't believe all python programs are forced to do this on windows!
Maybe we are doing something wrong during install

Which os do you use? Mac or Linux?

ZhengyangSun1020 · 2021-04-09T16:42:50Z

Meantime, Do I need to define os and sys? and how?

lpasselin · 2021-04-09T16:53:14Z

I have access to Mac and linux.

With shagren's code, I think you are missing from pathlib import Path

Other option:
If you're on python version >= 3.8 you can also try

import os
os.add_dll_directory("path of directory containing k4a.dll")
import pyk4a

shagren's approach is better because it works without having to supply the path of the directory containing k4a.dll

ZhengyangSun1020 · 2021-04-09T17:10:00Z

Thank you! I make it when adding the code from @shagren

Thank you for helping me with patience!

I'm the beginner and try to use azure kinect. I guess I will trouble you again in the future about it! Thank you again!

lpasselin changed the title ~~Skipping wheel build for pyk4a, due to binaries being disabled for it.~~ Installation problems on windows Apr 9, 2021

ZhengyangSun1020 closed this as completed Apr 9, 2021

ZhengyangSun1020 reopened this Apr 9, 2021

ZhengyangSun1020 closed this as completed Apr 9, 2021

shagren mentioned this issue May 18, 2021

Unable to install pyk4a using pip3 #28

Closed

lpasselin mentioned this issue May 31, 2021

DLL load failed for k4a_module #127

Closed

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Installation problems on windows #117

Installation problems on windows #117

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Installation problems on windows #117

Installation problems on windows #117

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