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1 #!/usr/bin/env python
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2
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3 """
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4 installation script for lockedfile
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5 locked file implementation
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6 """
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7
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8 import os
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9 import sys
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10 import urllib2
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11 import subprocess
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12 try:
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13 from subprocess import check_call as call
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14 except:
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15 from subprocess import call
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16
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17 REPO='http://k0s.org/hg/lockedfile'
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18 DEST='lockedfile' # name of the virtualenv
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19 VIRTUALENV='https://raw.github.com/pypa/virtualenv/develop/virtualenv.py'
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20
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21 def which(binary, path=os.environ['PATH']):
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22 dirs = path.split(os.pathsep)
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23 for dir in dirs:
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24 if os.path.isfile(os.path.join(dir, fileName)):
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25 return os.path.join(dir, fileName)
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26 if os.path.isfile(os.path.join(dir, fileName + ".exe")):
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27 return os.path.join(dir, fileName + ".exe")
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28
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29 def main(args=sys.argv[1:]):
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30
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31 # create a virtualenv
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32 virtualenv = which('virtualenv') or which('virtualenv.py')
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33 if virtualenv:
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34 call([virtualenv, DEST])
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35 else:
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36 process = subproces.Popen([sys.executable, '-', DEST], stdin=subprocess.PIPE)
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37 process.communicate(stdin=urllib2.urlopen(VIRTUALENV).read())
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38
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39 # create a src directory
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40 src = os.path.join(DEST, 'src')
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41 os.mkdir(src)
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42
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43 # clone the repository
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44 call(['hg', 'clone', REPO], cwd=src)
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45
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46 # find the virtualenv python
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47 python = None
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48 for path in (('bin', 'python'), ('Scripts', 'python.exe')):
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49 _python = os.path.join(DEST, *path)
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50 if os.path.exists(_python)
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51 python = _python
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52 break
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53 else:
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54 raise Exception("Python binary not found in %s" % DEST)
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55
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56 # find the clone
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57 filename = REPO.rstrip('/')
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58 filename = filename.split('/')[-1]
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59 clone = os.path.join(src, filename)
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60 assert os.path.exists(clone), "Clone directory not found in %s" % src
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61
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62 # ensure setup.py exists
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63 assert os.path.exists(os.path.join(clone, 'setup.py')), 'setup.py not found in %s' % clone
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64
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65 # install the package in develop mode
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66 call([python 'setup.py', 'develop'], cwd=clone)
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67
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