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annotate paint/info.py @ 57:d5e5c7496784

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stubbing
author Jeff Hammel <jhammel@mozilla.com>
date Wed, 23 Jan 2013 16:26:14 -0800
parents 042a1b2a3e8a
children 13767ee2ddf4
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1 """
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2 interfaces to get information from a package
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3 """
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4
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5 import imp
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6 import os
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7 import sys
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8
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9 from subprocess import check_call as call
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10
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11 class PackageInfo(object):
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12 """abstract base class of package info"""
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13 def __init__(self, path):
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14 """
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15 - path : path to setup.py or its directory
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16 """
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17 if os.path.isdir(path):
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18 path = os.path.join(path, 'setup.py')
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19 assert os.path.exists(path), "'%s' not found" % path
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20 self.setup_py = os.path.abspath(path)
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21
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22 def __call__(self):
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23 """returns dictionary of package info"""
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24 raise NotImplementedError("abstract base class")
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25
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26 class SetupOverridePackageInfo(PackageInfo):
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27 """
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28 gather setup.py information by overriding the function
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29 """
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30
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31 def __call__(self):
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32 setuptools = sys.modules.get('setuptools')
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33 sys.modules['setuptools'] = sys.modules[__name__]
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34 globals()['setup'] = self._setup
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35 try:
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36 module = imp.load_source('setup', self.setup_py)
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37 finally:
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38 sys.modules.pop('setuptools')
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39 if setuptools:
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40 sys.modules['setuptools'] = setuptools
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41 globals().pop('setup')
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42 return self.__dict__.pop('_info')
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43
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44 def _setup(self, **kwargs):
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45 self._info = kwargs
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46
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47 class EggInfo(PackageInfo):
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48 """
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49 use `python setup.py egg_info` to gather package information
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50 """
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51
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52 def __call__(self):
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53 raise NotImplementedError("TODO")
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54
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55 def _egg_info(self):
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56 """build the egg_info directory"""
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57
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58 if self._egg_info_path:
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59 return self._egg_info_path
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60
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61 raise NotImplementedError("TODO")