Adds the virtual environment's bin directory to PATH before executing a command
A small Python helper tool that will modify the PATH in the environment before executing the provided executable. This is useful when programs expect certain binaries to be available in PATH so they can execute them using os.popen() and friends or even for shell scripts that are executing Python tools that one would prefer to not globally install.
Scripts may detect that vrun has been used by looking for the environment variable VRUN_ACTIVATED which is set to 1 when run. It is not recommended that script writers do this.
$ python3 -mvenv ./env/ $ ./env/bin/pip install vrun $ ./env/bin/vrun /bin/bash -c 'echo $PATH'
If for example there is a script that executes pip without explicitly providing a PATH that includes a virtual environment the system installed pip may accidentally be invoked instead. With vrun the virtual environment will come first in the search path and thus pip will be safely executed within the context of the virtual environment.
$ ./env/bin/vrun ./myscript.sh
vrun or vexec
vrun installs itself as both vrun and vexec. The later may be typed with the left hand only and is slightly faster to roll off the keyboard!
Please see the LICENSE file in the source code repository
- Initial release and implementation of the vrun functionality
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