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Upgrade pip on Travis

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This commit is contained in:
vitaut 2015-10-14 08:17:39 -07:00
parent a08bc864fb
commit 13c633223e
1 changed files with 8 additions and 14 deletions
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22
doc/build.py
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@ -2,28 +2,22 @@
# Build the documentation.
from __future__ import print_function
import os, shutil, tempfile
import os, pip, shutil, tempfile
from subprocess import check_call, check_output, CalledProcessError, Popen, PIPE
from distutils.version import LooseVersion
def pip_install(package, commit=None, **kwargs):
"Install package using pip."
if LooseVersion(pip.__version__) < LooseVersion('1.5.4'):
# Upgrade pip because installation of sphinx with pip 1.1 available on Travis
# is broken (see #207) and it doesn't support the show command.
check_call(['pip', 'install', '--upgrade', 'pip'])
if commit:
check_version = kwargs.get('check_version', '')
cmd = ['pip', 'show', package.split('/')[1]]
p = Popen(cmd, stdout=PIPE, stderr=PIPE)
stdout, stderr = p.communicate()
if stdout and check_version in stdout:
output = check_output(['pip', 'show', package.split('/')[1]])
if check_version in output:
print('{} already installed'.format(package))
return
if p.returncode != 0:
# Old versions of pip such as the one installed on Travis don't support
# the show command - continue installation in this case.
# Otherwise throw CalledProcessError.
if p.returncode > 1 and 'No command by the name pip show' not in stderr:
raise CalledProcessError(p.returncode, cmd)
else:
print('Uninstalling {}'.format(package))
check_call('pip', 'uninstall', '-y', package)
package = 'git+git://github.com/{0}.git@{1}'.format(package, commit)
print('Installing {}'.format(package))
check_call(['pip', 'install', '--upgrade', package])