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Closed
aushani opened this issue Apr 3, 2018 · 19 comments
Closed

Can't install on Ubuntu 16.04 #654

aushani opened this issue Apr 3, 2018 · 19 comments

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@aushani
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aushani commented Apr 3, 2018

Environment

  • Pythonnet version: master and 2.3.0
  • Python version: 2.7.12
  • Operating System: Ubuntu 16.04

Details

Trying to install using pip, I get the following errors for master and 2.3.0

$ pip install git+https://github.com/pythonnet/pythonnet
Collecting git+https://github.com/pythonnet/pythonnet
  Cloning https://github.com/pythonnet/pythonnet to /tmp/pip-jY3N1G-build
Installing collected packages: pythonnet
  Running setup.py install for pythonnet ... error
    Complete output from command /usr/bin/python -u -c "import setuptools, tokenize;__file__='/tmp/pip-jY3N1G-build/setup.py';f=getattr(tokenize, 'open', open)(__file__);code=f.read().replace('\r\n', '\n');f.close();exec(compile(code, __file__, 'exec'))" install --record /tmp/pip-Xvwc8d-record/install-record.txt --single-version-externally-managed --compile:
    usage: -c [global_opts] cmd1 [cmd1_opts] [cmd2 [cmd2_opts] ...]
       or: -c --help [cmd1 cmd2 ...]
       or: -c --help-commands
       or: -c cmd --help
    
    error: option --single-version-externally-managed not recognized
    
    ----------------------------------------
Command "/usr/bin/python -u -c "import setuptools, tokenize;__file__='/tmp/pip-jY3N1G-build/setup.py';f=getattr(tokenize, 'open', open)(__file__);code=f.read().replace('\r\n', '\n');f.close();exec(compile(code, __file__, 'exec'))" install --record /tmp/pip-Xvwc8d-record/install-record.txt --single-version-externally-managed --compile" failed with error code 1 in /tmp/pip-jY3N1G-build/

And

$ sudo -H pip install pythonnet
Collecting pythonnet
  Using cached pythonnet-2.3.0.tar.gz
Building wheels for collected packages: pythonnet
  Running setup.py bdist_wheel for pythonnet ... error
  Complete output from command /usr/bin/python -u -c "import setuptools, tokenize;__file__='/tmp/pip-build-2paJ4D/pythonnet/setup.py';f=getattr(tokenize, 'open', open)(__file__);code=f.read().replace('\r\n', '\n');f.close();exec(compile(code, __file__, 'exec'))" bdist_wheel -d /tmp/tmpAYPkUUpip-wheel- --python-tag cp27:
  running bdist_wheel
  running build
  running build_ext
  Checking for updates from https://www.nuget.org/api/v2/.
  Currently running NuGet.exe 3.5.0.
  Updating NuGet.exe to 4.5.1.
  Update successful.
  MSBuild auto-detection: using msbuild version '14.0' from '/usr/lib/mono/xbuild/14.0/bin'.
  Restoring NuGet package NUnit.3.6.0.
  Restoring NuGet package UnmanagedExports.1.2.7.
  Restoring NuGet package NUnit.ConsoleRunner.3.6.0.
  Adding package 'NUnit.3.6.0' to folder '/tmp/pip-build-2paJ4D/pythonnet/packages'
  Adding package 'UnmanagedExports.1.2.7' to folder '/tmp/pip-build-2paJ4D/pythonnet/packages'
  Adding package 'NUnit.ConsoleRunner.3.6.0' to folder '/tmp/pip-build-2paJ4D/pythonnet/packages'
  Added package 'UnmanagedExports.1.2.7' to folder '/tmp/pip-build-2paJ4D/pythonnet/packages'
  Added package 'NUnit.ConsoleRunner.3.6.0' to folder '/tmp/pip-build-2paJ4D/pythonnet/packages'
  Added package 'NUnit.3.6.0' to folder '/tmp/pip-build-2paJ4D/pythonnet/packages'
  
  NuGet Config files used:
      /root/.config/NuGet/NuGet.Config
  
  Feeds used:
      /root/.nuget/packages/
      https://api.nuget.org/v3/index.json
  
  Installed:
      3 package(s) to packages.config projects
  
  >>>> xbuild tool is deprecated and will be removed in future updates, use msbuild instead <<<<
  
  XBuild Engine Version 14.0
  Mono, Version 5.10.1.20
  Copyright (C) 2005-2013 Various Mono authors
  
  >>>> xbuild tool is deprecated and will be removed in future updates, use msbuild instead <<<<
  
  XBuild Engine Version 14.0
  Mono, Version 5.10.1.20
  Copyright (C) 2005-2013 Various Mono authors
  		Configuration: ReleaseMono Platform: x64
  /tmp/pip-build-2paJ4D/pythonnet/src/runtime/Python.Runtime.csproj: error : Error executing task Copy: Error converting Property named 'SourceFiles' with value '$(TargetAssemblyPdb)' to type Microsoft.Build.Framework.ITaskItem[]: Can't concatenate Item list with other strings where an item list is expected ('@(_OutDirItem->'%(FullPath)')', 'Python.Runtime.pdb'). Use semi colon to separate items.
  Traceback (most recent call last):
    File "<string>", line 1, in <module>
    File "/tmp/pip-build-2paJ4D/pythonnet/setup.py", line 405, in <module>
      zip_safe=False,
    File "/usr/local/lib/python2.7/dist-packages/setuptools/__init__.py", line 129, in setup
      return distutils.core.setup(**attrs)
    File "/usr/lib/python2.7/distutils/core.py", line 151, in setup
      dist.run_commands()
    File "/usr/lib/python2.7/distutils/dist.py", line 953, in run_commands
      self.run_command(cmd)
    File "/usr/lib/python2.7/distutils/dist.py", line 972, in run_command
      cmd_obj.run()
    File "/usr/local/lib/python2.7/dist-packages/wheel/bdist_wheel.py", line 204, in run
      self.run_command('build')
    File "/usr/lib/python2.7/distutils/cmd.py", line 326, in run_command
      self.distribution.run_command(command)
    File "/usr/lib/python2.7/distutils/dist.py", line 972, in run_command
      cmd_obj.run()
    File "/usr/lib/python2.7/distutils/command/build.py", line 128, in run
      self.run_command(cmd_name)
    File "/usr/lib/python2.7/distutils/cmd.py", line 326, in run_command
      self.distribution.run_command(command)
    File "/usr/lib/python2.7/distutils/dist.py", line 972, in run_command
      cmd_obj.run()
    File "/usr/lib/python2.7/distutils/command/build_ext.py", line 339, in run
      self.build_extensions()
    File "/usr/lib/python2.7/distutils/command/build_ext.py", line 448, in build_extensions
      self.build_extension(ext)
    File "/tmp/pip-build-2paJ4D/pythonnet/setup.py", line 222, in build_extension
      subprocess.check_call(" ".join(cmd + ["/t:Build"]), shell=use_shell)
    File "/usr/lib/python2.7/subprocess.py", line 541, in check_call
      raise CalledProcessError(retcode, cmd)
  subprocess.CalledProcessError: Command 'xbuild pythonnet.sln /p:Configuration=ReleaseMono /p:Platform=x64 /p:DefineConstants="PYTHON27,PYTHON2,UCS4,MONO_LINUX,PYTHON_WITHOUT_ENABLE_SHARED" /p:PythonBuildDir="/tmp/pip-build-2paJ4D/pythonnet/build/lib.linux-x86_64-2.7" /p:PythonInteropFile="interop27.cs" /verbosity:minimal /t:Build' returned non-zero exit status 1
  
  ----------------------------------------
  Failed building wheel for pythonnet
  Running setup.py clean for pythonnet
Failed to build pythonnet
Installing collected packages: pythonnet
  Running setup.py install for pythonnet ... error
    Complete output from command /usr/bin/python -u -c "import setuptools, tokenize;__file__='/tmp/pip-build-2paJ4D/pythonnet/setup.py';f=getattr(tokenize, 'open', open)(__file__);code=f.read().replace('\r\n', '\n');f.close();exec(compile(code, __file__, 'exec'))" install --record /tmp/pip-e6eIuH-record/install-record.txt --single-version-externally-managed --compile:
    running install
    running build
    running build_ext
    Checking for updates from https://www.nuget.org/api/v2/.
    Currently running NuGet.exe 4.5.1.
    NuGet.exe is up to date.
    MSBuild auto-detection: using msbuild version '14.0' from '/usr/lib/mono/xbuild/14.0/bin'.
    All packages listed in packages.config are already installed.
    
    >>>> xbuild tool is deprecated and will be removed in future updates, use msbuild instead <<<<
    
    XBuild Engine Version 14.0
    Mono, Version 5.10.1.20
    Copyright (C) 2005-2013 Various Mono authors
    
    >>>> xbuild tool is deprecated and will be removed in future updates, use msbuild instead <<<<
    
    XBuild Engine Version 14.0
    Mono, Version 5.10.1.20
    Copyright (C) 2005-2013 Various Mono authors
    		Configuration: ReleaseMono Platform: x64
    /tmp/pip-build-2paJ4D/pythonnet/src/runtime/Python.Runtime.csproj: error : Error executing task Copy: Error converting Property named 'SourceFiles' with value '$(TargetAssemblyPdb)' to type Microsoft.Build.Framework.ITaskItem[]: Can't concatenate Item list with other strings where an item list is expected ('@(_OutDirItem->'%(FullPath)')', 'Python.Runtime.pdb'). Use semi colon to separate items.
    Traceback (most recent call last):
      File "<string>", line 1, in <module>
      File "/tmp/pip-build-2paJ4D/pythonnet/setup.py", line 405, in <module>
        zip_safe=False,
      File "/usr/local/lib/python2.7/dist-packages/setuptools/__init__.py", line 129, in setup
        return distutils.core.setup(**attrs)
      File "/usr/lib/python2.7/distutils/core.py", line 151, in setup
        dist.run_commands()
      File "/usr/lib/python2.7/distutils/dist.py", line 953, in run_commands
        self.run_command(cmd)
      File "/usr/lib/python2.7/distutils/dist.py", line 972, in run_command
        cmd_obj.run()
      File "/usr/local/lib/python2.7/dist-packages/setuptools/command/install.py", line 61, in run
        return orig.install.run(self)
      File "/usr/lib/python2.7/distutils/command/install.py", line 601, in run
        self.run_command('build')
      File "/usr/lib/python2.7/distutils/cmd.py", line 326, in run_command
        self.distribution.run_command(command)
      File "/usr/lib/python2.7/distutils/dist.py", line 972, in run_command
        cmd_obj.run()
      File "/usr/lib/python2.7/distutils/command/build.py", line 128, in run
        self.run_command(cmd_name)
      File "/usr/lib/python2.7/distutils/cmd.py", line 326, in run_command
        self.distribution.run_command(command)
      File "/usr/lib/python2.7/distutils/dist.py", line 972, in run_command
        cmd_obj.run()
      File "/usr/lib/python2.7/distutils/command/build_ext.py", line 339, in run
        self.build_extensions()
      File "/usr/lib/python2.7/distutils/command/build_ext.py", line 448, in build_extensions
        self.build_extension(ext)
      File "/tmp/pip-build-2paJ4D/pythonnet/setup.py", line 222, in build_extension
        subprocess.check_call(" ".join(cmd + ["/t:Build"]), shell=use_shell)
      File "/usr/lib/python2.7/subprocess.py", line 541, in check_call
        raise CalledProcessError(retcode, cmd)
    subprocess.CalledProcessError: Command 'xbuild pythonnet.sln /p:Configuration=ReleaseMono /p:Platform=x64 /p:DefineConstants="PYTHON27,PYTHON2,UCS4,MONO_LINUX,PYTHON_WITHOUT_ENABLE_SHARED" /p:PythonBuildDir="/tmp/pip-build-2paJ4D/pythonnet/build/lib.linux-x86_64-2.7" /p:PythonInteropFile="interop27.cs" /verbosity:minimal /t:Build' returned non-zero exit status 1
    
    ----------------------------------------
Command "/usr/bin/python -u -c "import setuptools, tokenize;__file__='/tmp/pip-build-2paJ4D/pythonnet/setup.py';f=getattr(tokenize, 'open', open)(__file__);code=f.read().replace('\r\n', '\n');f.close();exec(compile(code, __file__, 'exec'))" install --record /tmp/pip-e6eIuH-record/install-record.txt --single-version-externally-managed --compile" failed with error code 1 in /tmp/pip-build-2paJ4D/pythonnet/
@dmitriyse
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Contributor

Probably it's a setup.py bug that can be reproduced only in special environment state

@aushani
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Author

aushani commented Apr 3, 2018

My environment really isn't anything special. It's just your standard Ubuntu 16.04. What are my options?

@dmitriyse
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Contributor

Please try to install from the https://github.com/pythonnet/pythonnet/tree/featured branch
Otherwise somebody from the core team should try to reproduce your problem

@aushani
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Author

aushani commented Apr 3, 2018

How do I install from that branch?

@den-run-ai
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@aushani see the wiki for installation, this issue above maybe due to mono version. try this version used in travis ci - mono 5.10.0.140-0xamarin1+ubuntu1404b1:

https://travis-ci.org/pythonnet/pythonnet/jobs/348038386#L637

@den-run-ai
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@u01ai11
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u01ai11 commented Jun 6, 2018

I have this same problem using MacOS 10 and Python 2.3, Mono 5.10.

@den-run-ai
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@u01ai11 are you sure about Python 2.3?!

@arisliang
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I couldn't install for python 3.6 on ubuntu 16.04 as well. Running pip install pythonnet gives:

Failed building wheel for pythonnet

@den-run-ai
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@arisliang there should be more detailed error report during the build process of pythonnet. "Failed building wheel for pythonnet" is very generic error message.

@arisliang
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arisliang commented Jul 28, 2018

Here's the full error message when I run pip install pythonnet.

> Collecting pythonnet
  Using cached https://files.pythonhosted.org/packages/89/3b/a22cd45b591d6cf490ee8b24d52b9db1f30b4b478b64a9b231c53474731e/pythonnet-2.3.0.tar.gz
Building wheels for collected packages: pythonnet
  Running setup.py bdist_wheel for pythonnet ... error
  Complete output from command /home/ly/anaconda3/bin/python -u -c "import setuptools, tokenize;__file__='/tmp/pip-install-3o5yl914/pythonnet/setup.py';f=getattr(tokenize, 'open', open)(__file__);code=f.read().replace('\r\n', '\n');f.close();exec(compile(code, __file__, 'exec'))" bdist_wheel -d /tmp/pip-wheel-fil0o1hj --python-tag cp36:
  running bdist_wheel
  running build
  running build_ext
  Checking for updates from https://www.nuget.org/api/v2/.
  Currently running NuGet.exe 3.5.0.
  Updating NuGet.exe to 4.6.2.
  Update successful.
  MSBuild auto-detection: using msbuild version '14.0' from '/usr/lib/mono/xbuild/14.0/bin'.
  Restoring NuGet package UnmanagedExports.1.2.7.
  Restoring NuGet package NUnit.3.6.0.
  Restoring NuGet package NUnit.ConsoleRunner.3.6.0.
  Adding package 'NUnit.ConsoleRunner.3.6.0' to folder '/tmp/pip-install-3o5yl914/pythonnet/packages'
  Adding package 'NUnit.3.6.0' to folder '/tmp/pip-install-3o5yl914/pythonnet/packages'
  Adding package 'UnmanagedExports.1.2.7' to folder '/tmp/pip-install-3o5yl914/pythonnet/packages'
  Added package 'UnmanagedExports.1.2.7' to folder '/tmp/pip-install-3o5yl914/pythonnet/packages'
  Added package 'NUnit.ConsoleRunner.3.6.0' to folder '/tmp/pip-install-3o5yl914/pythonnet/packages'
  Added package 'NUnit.3.6.0' to folder '/tmp/pip-install-3o5yl914/pythonnet/packages'
  
  NuGet Config files used:
      /home/ly/.config/NuGet/NuGet.Config
  
  Feeds used:
      /home/ly/.nuget/packages/
      https://api.nuget.org/v3/index.json
  
  Installed:
      3 package(s) to packages.config projects
  Traceback (most recent call last):
    File "tools/geninterop/geninterop.py", line 292, in <module>
      sys.exit(main())
    File "tools/geninterop/geninterop.py", line 272, in main
      python_h = preprocess_python_headers()
    File "tools/geninterop/geninterop.py", line 192, in preprocess_python_headers
      for line in _check_output(cmd).splitlines():
    File "tools/geninterop/geninterop.py", line 41, in _check_output
      output = subprocess.check_output(*args, **kwargs)
    File "/home/ly/anaconda3/lib/python3.6/subprocess.py", line 336, in check_output
      **kwargs).stdout
    File "/home/ly/anaconda3/lib/python3.6/subprocess.py", line 403, in run
      with Popen(*popenargs, **kwargs) as process:
    File "/home/ly/anaconda3/lib/python3.6/subprocess.py", line 709, in __init__
      restore_signals, start_new_session)
    File "/home/ly/anaconda3/lib/python3.6/subprocess.py", line 1344, in _execute_child
      raise child_exception_type(errno_num, err_msg, err_filename)
  FileNotFoundError: [Errno 2] No such file or directory: 'clang': 'clang'
  Traceback (most recent call last):
    File "<string>", line 1, in <module>
    File "/tmp/pip-install-3o5yl914/pythonnet/setup.py", line 405, in <module>
      zip_safe=False,
    File "/home/ly/anaconda3/lib/python3.6/site-packages/setuptools/__init__.py", line 129, in setup
      return distutils.core.setup(**attrs)
    File "/home/ly/anaconda3/lib/python3.6/distutils/core.py", line 148, in setup
      dist.run_commands()
    File "/home/ly/anaconda3/lib/python3.6/distutils/dist.py", line 955, in run_commands
      self.run_command(cmd)
    File "/home/ly/anaconda3/lib/python3.6/distutils/dist.py", line 974, in run_command
      cmd_obj.run()
    File "/home/ly/anaconda3/lib/python3.6/site-packages/wheel/bdist_wheel.py", line 202, in run
      self.run_command('build')
    File "/home/ly/anaconda3/lib/python3.6/distutils/cmd.py", line 313, in run_command
      self.distribution.run_command(command)
    File "/home/ly/anaconda3/lib/python3.6/distutils/dist.py", line 974, in run_command
      cmd_obj.run()
    File "/home/ly/anaconda3/lib/python3.6/distutils/command/build.py", line 135, in run
      self.run_command(cmd_name)
    File "/home/ly/anaconda3/lib/python3.6/distutils/cmd.py", line 313, in run_command
      self.distribution.run_command(command)
    File "/home/ly/anaconda3/lib/python3.6/distutils/dist.py", line 974, in run_command
      cmd_obj.run()
    File "/home/ly/anaconda3/lib/python3.6/distutils/command/build_ext.py", line 339, in run
      self.build_extensions()
    File "/home/ly/anaconda3/lib/python3.6/distutils/command/build_ext.py", line 448, in build_extensions
      self._build_extensions_serial()
    File "/home/ly/anaconda3/lib/python3.6/distutils/command/build_ext.py", line 473, in _build_extensions_serial
      self.build_extension(ext)
    File "/tmp/pip-install-3o5yl914/pythonnet/setup.py", line 191, in build_extension
      subprocess.check_call([sys.executable, geninterop, interop_file])
    File "/home/ly/anaconda3/lib/python3.6/subprocess.py", line 291, in check_call
      raise CalledProcessError(retcode, cmd)
  subprocess.CalledProcessError: Command '['/home/ly/anaconda3/bin/python', 'tools/geninterop/geninterop.py', 'src/runtime/interop36m.cs']' returned non-zero exit status 1.
  
  ----------------------------------------
  Failed building wheel for pythonnet
  Running setup.py clean for pythonnet
Failed to build pythonnet
Installing collected packages: pythonnet
  Running setup.py install for pythonnet ... error
    Complete output from command /home/ly/anaconda3/bin/python -u -c "import setuptools, tokenize;__file__='/tmp/pip-install-3o5yl914/pythonnet/setup.py';f=getattr(tokenize, 'open', open)(__file__);code=f.read().replace('\r\n', '\n');f.close();exec(compile(code, __file__, 'exec'))" install --record /tmp/pip-record-isbweqq7/install-record.txt --single-version-externally-managed --compile:
    running install
    running build
    running build_ext
    Checking for updates from https://www.nuget.org/api/v2/.
    Currently running NuGet.exe 4.6.2.
    NuGet.exe is up to date.
    MSBuild auto-detection: using msbuild version '14.0' from '/usr/lib/mono/xbuild/14.0/bin'.
    All packages listed in packages.config are already installed.
    Traceback (most recent call last):
      File "tools/geninterop/geninterop.py", line 292, in <module>
        sys.exit(main())
      File "tools/geninterop/geninterop.py", line 272, in main
        python_h = preprocess_python_headers()
      File "tools/geninterop/geninterop.py", line 192, in preprocess_python_headers
        for line in _check_output(cmd).splitlines():
      File "tools/geninterop/geninterop.py", line 41, in _check_output
        output = subprocess.check_output(*args, **kwargs)
      File "/home/ly/anaconda3/lib/python3.6/subprocess.py", line 336, in check_output
        **kwargs).stdout
      File "/home/ly/anaconda3/lib/python3.6/subprocess.py", line 403, in run
        with Popen(*popenargs, **kwargs) as process:
      File "/home/ly/anaconda3/lib/python3.6/subprocess.py", line 709, in __init__
        restore_signals, start_new_session)
      File "/home/ly/anaconda3/lib/python3.6/subprocess.py", line 1344, in _execute_child
        raise child_exception_type(errno_num, err_msg, err_filename)
    FileNotFoundError: [Errno 2] No such file or directory: 'clang': 'clang'
    Traceback (most recent call last):
      File "<string>", line 1, in <module>
      File "/tmp/pip-install-3o5yl914/pythonnet/setup.py", line 405, in <module>
        zip_safe=False,
      File "/home/ly/anaconda3/lib/python3.6/site-packages/setuptools/__init__.py", line 129, in setup
        return distutils.core.setup(**attrs)
      File "/home/ly/anaconda3/lib/python3.6/distutils/core.py", line 148, in setup
        dist.run_commands()
      File "/home/ly/anaconda3/lib/python3.6/distutils/dist.py", line 955, in run_commands
        self.run_command(cmd)
      File "/home/ly/anaconda3/lib/python3.6/distutils/dist.py", line 974, in run_command
        cmd_obj.run()
      File "/home/ly/anaconda3/lib/python3.6/site-packages/setuptools/command/install.py", line 61, in run
        return orig.install.run(self)
      File "/home/ly/anaconda3/lib/python3.6/distutils/command/install.py", line 545, in run
        self.run_command('build')
      File "/home/ly/anaconda3/lib/python3.6/distutils/cmd.py", line 313, in run_command
        self.distribution.run_command(command)
      File "/home/ly/anaconda3/lib/python3.6/distutils/dist.py", line 974, in run_command
        cmd_obj.run()
      File "/home/ly/anaconda3/lib/python3.6/distutils/command/build.py", line 135, in run
        self.run_command(cmd_name)
      File "/home/ly/anaconda3/lib/python3.6/distutils/cmd.py", line 313, in run_command
        self.distribution.run_command(command)
      File "/home/ly/anaconda3/lib/python3.6/distutils/dist.py", line 974, in run_command
        cmd_obj.run()
      File "/home/ly/anaconda3/lib/python3.6/distutils/command/build_ext.py", line 339, in run
        self.build_extensions()
      File "/home/ly/anaconda3/lib/python3.6/distutils/command/build_ext.py", line 448, in build_extensions
        self._build_extensions_serial()
      File "/home/ly/anaconda3/lib/python3.6/distutils/command/build_ext.py", line 473, in _build_extensions_serial
        self.build_extension(ext)
      File "/tmp/pip-install-3o5yl914/pythonnet/setup.py", line 191, in build_extension
        subprocess.check_call([sys.executable, geninterop, interop_file])
      File "/home/ly/anaconda3/lib/python3.6/subprocess.py", line 291, in check_call
        raise CalledProcessError(retcode, cmd)
    subprocess.CalledProcessError: Command '['/home/ly/anaconda3/bin/python', 'tools/geninterop/geninterop.py', 'src/runtime/interop36m.cs']' returned non-zero exit status 1.
    
    ----------------------------------------
Command "/home/ly/anaconda3/bin/python -u -c "import setuptools, tokenize;__file__='/tmp/pip-install-3o5yl914/pythonnet/setup.py';f=getattr(tokenize, 'open', open)(__file__);code=f.read().replace('\r\n', '\n');f.close();exec(compile(code, __file__, 'exec'))" install --record /tmp/pip-record-isbweqq7/install-record.txt --single-version-externally-managed --compile" failed with error code 1 in /tmp/pip-install-3o5yl914/pythonnet/

@se-l
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se-l commented Jul 29, 2018

facing the same issue referencing here some other issue reports and threads which make me look more into setuptools and disutils. could downgrading specific packages help??

#readthedocs/readthedocs.org#1843
#pypa/pip#3698

@arisliang
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my pip version is 18.0, and setuptools is 39.1.0. Any particular package needs to downgrade to what version?

@den-run-ai
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@arisliang i thought i replied to this, you are missing clang, see this line in your error traceback:

FileNotFoundError: [Errno 2] No such file or directory: 'clang': 'clang'

@den-run-ai
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Ubuntu Xenial is going to be supported for Python 3.7 as part of this PR once completed:

#698

@arisliang
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Will it work for Python 3.6?

@den-run-ai
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@arisliang it should

@den-run-ai
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Not sure if this is still an issue, closing for now. Please report back otherwise. Python 3.7 with Ubuntu Xenial 16.04 is merged.

@den-run-ai
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den-run-ai commented Dec 10, 2018 via email

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