Installed files are recorded by Pip in the order the underlying tool
(Distutils, Setuptools, ...) recorded them.
Unfortunately, at least Setuptools doesn't record them in a
deterministic order in the case of a directory being installed, as it
uses os.walk to find the list of files.
We could fix all those underlying tools to record their files in a
deterministic order in all situations. But fixing it once here in Pip
for all tools is certainly simpler and more future-proof.
This makes the installation more reproducible, and therefore more
verifiable.
* fix test not using temporary directory
* avoid creating a `cache_dir` directory in the source tree
* drop `data` fixture from tests that don't use it
* tests: fix pytest warning
Also, reduce the number of test cases because these tests take too long.
The issue is that the setup and teardown of the test environment takes a
long time, and in order to reuse the same test environment, we must
perform install/uninstall cycles to test different URL and path formats.
A better approach might be to generate `FSPkg` using a function that
writes the `setup.py` and `__init__.py` files to a new directory. The
test packages would be easy to generate and save the uninstall time.
For now, we reduce the number of URL/path formats tested, since the
previous test coverage was even more limited.
Tests are timing out and also not following requirements/install test
factorization. Split to conform to test organization and to prevent
test timeout.
We want the root logger to output debug level logs when we have
specified "--log". The log-file handler then sends this to our file,
and the other handlers (console) filter out at their appropriate
level.
This restores the intended behaviour of "--log" argument, which is
supposed to output verbose logs to a file always.
A test-case is added
Closes: #3351
Commit 5bb989993 added some code for hiding/showing the cursor when
running on the terminal, but accidentally made it so that it always
printed the invisible control codes, even when not on a tty or when
--quiet was specified. This turns out to be surprisingly bad (e.g. it
breaks the official docker python builds). So, let's not do that.
Fixes gh-3418
Since pip 7, via pip freeze, is producing such mismatching #egg
fragment, forbidding them in pip 8 would be too strongly
backward-incompatible.
It is a partial rollback of 1a012bb6.
