dejw / vip Goto Github PK

When developing on windows, nosetests picks up too many tests (both unix and Windows version).

An integration test is required that will test vip.main behavior in an end-user maner:

cd some-directory
echo 'some-package` > requirements.txt
...
vip --init
vip pip install
vip pip freeze > pckgs.txt

assert 'some-package' in pckgs.txt

In #10 smart install command is described, and it can use a simple API to list all required dependency files and produce a list of dependencies ready for setup function in setup.py.

There are two options:

• automatically update requirements.txt file after each (un)install command
• let the developer to update the file and call vip --update each time (s)he does this

In favor of (1) is the reason to keep everything simple, but explicit is better than implicit.

Option (2) is explicit which is good. In addition to (2), requirements.txt.lock can be created in order to list all used packages (similar how bundler does in Ruby).

--purge flag should be implemented as it is described in Readme.

Since I used vip only to install (update, or remove) libraries and run something using installed Python, interface can be on even higher level than it is now.

Example:
vip install - create a virtualenv and update its state - install, update, remove libraries listed in requirements.txt file
vip test [filename] - to run tests, using nose, py.test, unittest2 or simply executing python interpreter on given files
vip locate [binary] - to locate binaries inside the virtualenv underneath

Hey,

Noticed an issue where trying to initialize a new vip environment on Windows would result in the script hanging forever. It appears to be caused by line 59 in the vip/core.py file. Making the following change to that line seems to make it work fine on Windows.

    while directory != "/" or head:

to

    while (directory != "/" and directory[1:] != ':\\' and directory[1:] != ':/') or head:

Was debating forking and doing a pull request, but I figured this would be easier.

I tried to install some package using vip pip install package and hit Control-C.

After a while I saw:

Operation cancelled by user
Storing complete log in ~/.pip/pip.log

which means that signal was not propagated correctly.

I found myself in a situation when I had non pip dependency, installed system-wide (pynotify in this example).

In this case I had to run virtualenv --system-site-packages .vip command manually. In this case it is obvious that some flags should be propagated to virtualenv command. Maybe all?

It seems that Python 3.x has full child output buffering turned on by default.

Need investigate this.

Install (now --ini) can be smart enough to install only those requirement files that matches interpreter version, eg:

for Python 2.6 install can install *requirements.txt, *requirements.2.txt and *requirements.26.txt.

In that case one can create a set of requirement files, each for certain interpreter version.

Also install could update environment to reflect changes in those files, e.g uninstall removed dependencies.

Exit status of executed command is not propagated too the shell, e.g. when running vip pep8 and having some errors, status code is still 0.