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Support old version of pip installed on Travis

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This commit is contained in:
vitaut 2015-05-20 11:10:16 -07:00
parent 469f3674cf
commit 6955417236
1 changed files with 9 additions and 2 deletions
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11
doc/build.py
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@ -3,12 +3,19 @@
from __future__ import print_function
import os, shutil, tempfile
from subprocess import check_call, check_output, Popen, PIPE
from subprocess import check_call, CalledProcessError, Popen, PIPE
def pip_install(package, commit=None):
"Install package using pip."
if commit:
if check_output(['pip', 'show', package.split('/')[1]]):
cmd = ['pip', 'show', package.split('/')[1]]
p = Popen(cmd, stdout=PIPE)
output = p.communicate()[0]
if p.returncode != 0:
if 'No command by the name pip show' in output:
return # Old version of pip - ignore
raise CalledProcessError(p.returncode, cmd)
if output:
return # Already installed
package = 'git+git://github.com/{0}.git@{1}'.format(package, commit)
check_call(['pip', 'install', '-q', package])