Vpython is unable to be imported on Ubuntu 16.04.
$ virtualenv .env
$ . .env/bin/activate
$ pip install vpython
Collecting vpython
Downloading vpython-1.0.9.tar.gz (2.5MB)
100% |################################| 2.5MB 451kB/s
Collecting jupyter (from vpython)
Downloading jupyter-1.0.0-py2.py3-none-any.whl
Collecting vpnotebook (from vpython)
Downloading vpnotebook-0.1.3.zip
Collecting ipykernel (from jupyter->vpython)
Downloading ipykernel-4.5.0-py2.py3-none-any.whl (97kB)
100% |################################| 102kB 1.5MB/s
Collecting jupyter-console (from jupyter->vpython)
Downloading jupyter_console-5.0.0-py2.py3-none-any.whl
Collecting qtconsole (from jupyter->vpython)
Downloading qtconsole-4.2.1-py2.py3-none-any.whl (104kB)
100% |################################| 112kB 1.2MB/s
Collecting notebook (from jupyter->vpython)
Downloading notebook-4.2.3-py2.py3-none-any.whl (6.7MB)
100% |################################| 6.7MB 193kB/s
Collecting ipywidgets (from jupyter->vpython)
Downloading ipywidgets-5.2.2-py2.py3-none-any.whl (43kB)
100% |################################| 51kB 4.5MB/s
Collecting nbconvert (from jupyter->vpython)
Downloading nbconvert-4.2.0-py2.py3-none-any.whl (319kB)
100% |################################| 327kB 2.0MB/s
Collecting ipython>=4.0.0 (from ipykernel->jupyter->vpython)
Using cached ipython-5.1.0-py2-none-any.whl
Collecting traitlets>=4.1.0 (from ipykernel->jupyter->vpython)
Downloading traitlets-4.3.1-py2.py3-none-any.whl (74kB)
100% |################################| 81kB 2.7MB/s
Requirement already satisfied (use --upgrade to upgrade): tornado>=4.0 in /usr/lib/python2.7/dist-packages (from ipykernel->jupyter->vpython)
Collecting jupyter-client (from ipykernel->jupyter->vpython)
Downloading jupyter_client-4.4.0-py2.py3-none-any.whl (76kB)
100% |################################| 81kB 1.4MB/s
Collecting prompt-toolkit<2.0.0,>=1.0.0 (from jupyter-console->jupyter->vpython)
Downloading prompt_toolkit-1.0.8-py2-none-any.whl (240kB)
100% |################################| 245kB 2.3MB/s
Requirement already satisfied (use --upgrade to upgrade): pygments in /usr/lib/python2.7/dist-packages (from jupyter-console->jupyter->vpython)
Collecting jupyter-core (from qtconsole->jupyter->vpython)
Downloading jupyter_core-4.2.0-py2.py3-none-any.whl (76kB)
100% |################################| 81kB 5.5MB/s
Collecting ipython-genutils (from notebook->jupyter->vpython)
Using cached ipython_genutils-0.1.0-py2.py3-none-any.whl
Collecting nbformat (from notebook->jupyter->vpython)
Downloading nbformat-4.1.0-py2.py3-none-any.whl (140kB)
100% |################################| 143kB 2.1MB/s
Requirement already satisfied (use --upgrade to upgrade): jinja2 in /myproject/.env/lib/python2.7/site-packages (from notebook->jupyter->vpython)
Collecting terminado>=0.3.3; sys_platform != "win32" (from notebook->jupyter->vpython)
Downloading terminado-0.6.tar.gz
Collecting widgetsnbextension>=1.2.6 (from ipywidgets->jupyter->vpython)
Downloading widgetsnbextension-1.2.6-py2.py3-none-any.whl (1.5MB)
100% |################################| 1.5MB 829kB/s
Collecting entrypoints (from nbconvert->jupyter->vpython)
Downloading entrypoints-0.2.2-py2.py3-none-any.whl
Collecting mistune!=0.6 (from nbconvert->jupyter->vpython)
Downloading mistune-0.7.3-py2.py3-none-any.whl
Collecting pickleshare (from ipython>=4.0.0->ipykernel->jupyter->vpython)
Using cached pickleshare-0.7.4-py2.py3-none-any.whl
Collecting backports.shutil-get-terminal-size; python_version == "2.7" (from ipython>=4.0.0->ipykernel->jupyter->vpython)
Using cached backports.shutil_get_terminal_size-1.0.0-py2.py3-none-any.whl
Requirement already satisfied (use --upgrade to upgrade): decorator in /usr/lib/python2.7/dist-packages (from ipython>=4.0.0->ipykernel->jupyter->vpython)
Requirement already satisfied (use --upgrade to upgrade): simplegeneric>0.8 in /usr/lib/python2.7/dist-packages (from ipython>=4.0.0->ipykernel->jupyter->vpython)
Requirement already satisfied (use --upgrade to upgrade): pexpect; sys_platform != "win32" in /usr/lib/python2.7/dist-packages (from ipython>=4.0.0->ipykernel->jupyter->vpython)
Collecting pathlib2; python_version == "2.7" or python_version == "3.3" (from ipython>=4.0.0->ipykernel->jupyter->vpython)
Using cached pathlib2-2.1.0-py2.py3-none-any.whl
Requirement already satisfied (use --upgrade to upgrade): setuptools>=18.5 in /myproject/.env/lib/python2.7/site-packages (from ipython>=4.0.0->ipykernel->jupyter->vpython)
Requirement already satisfied (use --upgrade to upgrade): enum34; python_version == "2.7" in /usr/lib/python2.7/dist-packages (from traitlets>=4.1.0->ipykernel->jupyter->vpython)
Requirement already satisfied (use --upgrade to upgrade): six in /myproject/.env/lib/python2.7/site-packages (from traitlets>=4.1.0->ipykernel->jupyter->vpython)
Requirement already satisfied (use --upgrade to upgrade): pyzmq>=13 in /usr/lib/python2.7/dist-packages (from jupyter-client->ipykernel->jupyter->vpython)
Collecting wcwidth (from prompt-toolkit<2.0.0,>=1.0.0->jupyter-console->jupyter->vpython)
Using cached wcwidth-0.1.7-py2.py3-none-any.whl
Collecting jsonschema!=2.5.0,>=2.0 (from nbformat->notebook->jupyter->vpython)
Downloading jsonschema-2.5.1-py2.py3-none-any.whl
Requirement already satisfied (use --upgrade to upgrade): MarkupSafe in /myproject/.env/lib/python2.7/site-packages (from jinja2->notebook->jupyter->vpython)
Requirement already satisfied (use --upgrade to upgrade): ptyprocess in /usr/lib/python2.7/dist-packages (from terminado>=0.3.3; sys_platform != "win32"->notebook->jupyter->vpython)
Requirement already satisfied (use --upgrade to upgrade): configparser>=3.5; python_version == "2.7" in /usr/local/lib/python2.7/dist-packages (from entrypoints->nbconvert->jupyter->vpython)
Collecting functools32; python_version == "2.7" (from jsonschema!=2.5.0,>=2.0->nbformat->notebook->jupyter->vpython)
Downloading functools32-3.2.3-2.zip
Building wheels for collected packages: vpython, vpnotebook, terminado, functools32
Running setup.py bdist_wheel for vpython ... done
Stored in directory: /home/chris/.cache/pip/wheels/90/06/31/8fc520c9ec44de940a4db5cd9e8bb93c2e24224e0b1c93c69b
Running setup.py bdist_wheel for vpnotebook ... error
Complete output from command /myproject/.env/bin/python -u -c "import setuptools, tokenize;__file__='/tmp/pip-build-QU3baz/vpnotebook/setup.py';exec(compile(getattr(tokenize, 'open', open)(__file__).read().replace('\r\n', '\n'), __file__, 'exec'))" bdist_wheel -d /tmp/tmpcYA7nRpip-wheel- --python-tag cp27:
ImportError install_kernel_spec
/myproject/.env/local/lib/python2.7/site-packages/setuptools/dist.py:331: UserWarning: Normalizing '0.1.03' to '0.1.3'
normalized_version,
running bdist_wheel
running build
running build_py
creating build
creating build/lib.linux-x86_64-2.7
creating build/lib.linux-x86_64-2.7/vpnotebook
copying vpnotebook/__init__.py -> build/lib.linux-x86_64-2.7/vpnotebook
creating build/lib.linux-x86_64-2.7/vpnotebook/data
copying vpnotebook/data/kernel.json -> build/lib.linux-x86_64-2.7/vpnotebook/data
installing to build/bdist.linux-x86_64/wheel
running install
Installing Python module...
running install_lib
creating build/bdist.linux-x86_64
creating build/bdist.linux-x86_64/wheel
creating build/bdist.linux-x86_64/wheel/vpnotebook
creating build/bdist.linux-x86_64/wheel/vpnotebook/data
copying build/lib.linux-x86_64-2.7/vpnotebook/data/kernel.json -> build/bdist.linux-x86_64/wheel/vpnotebook/data
copying build/lib.linux-x86_64-2.7/vpnotebook/__init__.py -> build/bdist.linux-x86_64/wheel/vpnotebook
running install_egg_info
running egg_info
writing vpnotebook.egg-info/PKG-INFO
writing top-level names to vpnotebook.egg-info/top_level.txt
writing dependency_links to vpnotebook.egg-info/dependency_links.txt
warning: manifest_maker: standard file '-c' not found
reading manifest file 'vpnotebook.egg-info/SOURCES.txt'
writing manifest file 'vpnotebook.egg-info/SOURCES.txt'
Copying vpnotebook.egg-info to build/bdist.linux-x86_64/wheel/vpnotebook-0.1.3-py2.7.egg-info
running install_scripts
Installing custom kernel ...
Traceback (most recent call last):
File "<string>", line 1, in <module>
File "/tmp/pip-build-QU3baz/vpnotebook/setup.py", line 30, in <module>
package_data={'vpnotebook': ['data/kernel.json']},
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 "/myproject/.env/local/lib/python2.7/site-packages/wheel/bdist_wheel.py", line 235, in run
self.run_command('install')
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 "vpnotebook/__init__.py", line 72, in run
run_kernel_install(False)
File "vpnotebook/__init__.py", line 63, in run_kernel_install
install_kernel_spec(source_dir, kernel_name='vpython', user=user)
NameError: free variable 'install_kernel_spec' referenced before assignment in enclosing scope
----------------------------------------
Failed building wheel for vpnotebook
Running setup.py clean for vpnotebook
Running setup.py bdist_wheel for terminado ... done
Stored in directory: /home/chris/.cache/pip/wheels/3b/c2/ea/af635ffb63857a8c2ddd22da6a4b52f5b7ea3065db94ef5d7c
Running setup.py bdist_wheel for functools32 ... done
Stored in directory: /home/chris/.cache/pip/wheels/3c/d0/09/cd78d0ff4d6cfecfbd730782a7815a4571cd2cd4d2ed6e69d9
Successfully built vpython terminado functools32
Failed to build vpnotebook
Installing collected packages: pathlib2, pickleshare, wcwidth, prompt-toolkit, ipython-genutils, traitlets, backports.shutil-get-terminal-size, ipython, jupyter-core, jupyter-client, ipykernel, jupyter-console, qtconsole, functools32, jsonschema, nbformat, entrypoints, mistune, nbconvert, terminado, notebook, widgetsnbextension, ipywidgets, jupyter, vpnotebook, vpython
Found existing installation: ipython 2.4.1
Not uninstalling ipython at /usr/lib/python2.7/dist-packages, outside environment /myproject/.env
Running setup.py install for vpnotebook ... done
Successfully installed backports.shutil-get-terminal-size-1.0.0 entrypoints-0.2.2 functools32-3.2.3.post2 ipykernel-4.5.0 ipython-5.1.0 ipython-genutils-0.1.0 ipywidgets-5.2.2 jsonschema-2.5.1 jupyter-1.0.0 jupyter-client-4.4.0 jupyter-console-5.0.0 jupyter-core-4.2.0 mistune-0.7.3 nbconvert-4.2.0 nbformat-4.1.0 notebook-4.2.3 pathlib2-2.1.0 pickleshare-0.7.4 prompt-toolkit-1.0.8 qtconsole-4.2.1 terminado-0.6 traitlets-4.3.1 vpnotebook-0.1.3 vpython-1.0.9 wcwidth-0.1.7 widgetsnbextension-1.2.6
$ python
Python 2.7.12 (default, Jul 1 2016, 15:12:24)
[GCC 5.4.0 20160609] on linux2
Type "help", "copyright", "credits" or "license" for more information.
>>> import vpython
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
File "/myproject/.env/local/lib/python2.7/site-packages/vpython/__init__.py", line 10, in <module>
from .vpython import *
File "/myproject/.env/local/lib/python2.7/site-packages/vpython/vpython.py", line 442, in <module>
get_ipython().kernel.comm_manager.register_target('glow', GlowWidget)
AttributeError: 'NoneType' object has no attribute 'kernel'
Vpython is unable to be imported on Ubuntu 16.04.