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annotate python/install.py @ 403:62eb670a408f

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dont roll your own
author Jeff Hammel <jhammel@mozilla.com>
date Tue, 30 Jul 2013 03:42:15 -0700
parents e4746a046446
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 def install_hg(sources):
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2 """
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3 - sources : dict of hg sources to install: {'package': 'http://hg...'}
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4 """
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5 try:
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6 from subprocess import check_call as call
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7 except:
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8 from subprocess import call
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9
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10 # see if you can find site-packages
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11 import site
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12 site_dir = os.path.abspath(os.path.dirname(site.__file__))
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13 site_packages = os.path.join(site_dir, 'site-packages')
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14 if not (os.path.exists(site_packages) and os.path.isdir(site_packages)):
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15 raise IOError("Cannot find site-packages directory")
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16
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17 # figure out what you need to install
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18 missing = set()
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19 for source in sources:
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20 try:
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21 __import__(source)
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22 except ImportError:
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23 missing.add(source)
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24
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25 # install it
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26 for source in missing:
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27 call(['hg', 'clone', sources[source],
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28 os.path.join(site_packages, source)])
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29
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30 ### install unpackaged dependencies
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31 if set(['install', 'develop']).intersection(sys.argv[1:]):
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32 try:
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33 install_hg(source)
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34 except:
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35 print 'Please make sure the source is installed:'
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36 print source