openstack
/
requirements
Code Issues Proposed changes

show commands and output together 

Print the command being run before running it so we can see the
command and output together in the logs.

Change-Id: I513521694c6efa20c284a13e6a1a7e7cf85c1892
Signed-off-by: Doug Hellmann <doug@doughellmann.com>
This commit is contained in:
Doug Hellmann 2018-04-18 08:29:43 -04:00
parent df4a93c9e6
commit 6829f9175d
1 changed files with 16 additions and 10 deletions
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26
openstack_requirements/cmds/generate.py
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@ -45,6 +45,16 @@ def _parse_freeze(text):
return result
def _do_cmd(cmd, return_output=False, **kwds):
print(' '.join(cmd))
if return_output:
out = subprocess.check_output(cmd, **kwds).decode('utf-8')
print(out)
return out
else:
subprocess.check_call(cmd)
def _freeze(requirements, python):
"""Generate a frozen install from requirements.
@ -67,20 +77,16 @@ def _freeze(requirements, python):
:param python: A Python binary to use. E.g. /usr/bin/python3
:return: A tuple (python_version, list of (package, version)'s)
"""
version_out = subprocess.check_output(
[python, "--version"], stderr=subprocess.STDOUT).decode('utf-8')
version_out = _do_cmd([python, "--version"], return_output=True,
stderr=subprocess.STDOUT)
version_all = version_out.split()[1]
version = '.'.join(version_all.split('.')[:2])
with fixtures.TempDir() as temp:
subprocess.check_call(
['virtualenv', '-p', python, temp.path])
_do_cmd(['virtualenv', '-p', python, temp.path])
pip_bin = os.path.join(temp.path, 'bin', 'pip')
subprocess.check_call(
[pip_bin, 'install', '-U', 'pip', 'setuptools', 'wheel'])
subprocess.check_call(
[pip_bin, 'install', '-r', requirements])
freeze = subprocess.check_output(
[pip_bin, 'freeze']).decode('utf-8')
_do_cmd([pip_bin, 'install', '-U', 'pip', 'setuptools', 'wheel'])
_do_cmd([pip_bin, 'install', '-r', requirements])
freeze = _do_cmd([pip_bin, 'freeze'], return_output=True)
return (version, _parse_freeze(freeze))