Mercurial > hg > buttercup

annotate buttercup/source.py @ 26:8179c05d7692

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note ABC
author Jeff Hammel <jhammel@mozilla.com>
date Mon, 30 May 2011 21:13:02 -0700
parents a54543838686
children 901755a65249
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1 import os
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2 try:
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3 from subprocess import check_call as call
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4 except:
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5 from subprocess import call
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6
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7 class Source(object):
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8 """abstract base class for VCS source"""
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9 def __init__(self, uri, srcdir=None):
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10 self.uri = uri
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11 self.srcdir = srcdir or os.getcwd()
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12
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13 @classmethod
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14 def directory_name(cls, uri):
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15 """return relative directory name from self.uri"""
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16 return uri.rstrip('/').split('/')[-1]
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17
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18 def directory(self):
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19 return os.path.join(self.srcdir, self.directory_name(self.uri))
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21 def update(self):
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22 raise NotImplementedError("`Source` is an abstract base class")
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23
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24 class HgSource(Source):
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25 """mercurial source"""
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26
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27 def update(self):
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28 """updates a checkout or does one if it does not exist"""
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29 if os.path.exists(self.directory()):
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30 assert os.path.exists(os.path.join(self.directory(), '.hg'))
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31 call(['hg', 'pull'], cwd=self.directory())
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32 call(['hg', 'update'], cwd=self.directory())
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33 else:
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34 if not os.path.exists(self.srcdir):
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35 os.makedirs(self.srcdir)
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36 call(['hg', 'clone', self.uri], cwd=self.srcdir)
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37 # TODO: add a more intelligent .hg/hgrc
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38
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39 __call__ = update
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40
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41
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42 class GitSource(Source):
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43
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44 @classmethod
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45 def directory_name(cls, uri):
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46 ext = '.git'
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47 if uri.endswith(uri):
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48 uri = uri[:-len(ext)]
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49 return Source.directory_name(uri)
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50
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51 def update(self):
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52 """updates a checkout or does one if it does not exist"""
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53 if os.path.exists(self.directory()):
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54 assert os.path.exists(os.path.join(self.directory(), '.git'))
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55 call(['git', 'pull'], cwd=self.directory())
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56 else:
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57 if not os.path.exists(self.srcdir):
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58 os.makedirs(self.srcdir)
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59 call(['git', 'clone', self.uri], cwd=self.srcdir)
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60 # TODO: add a more intelligent .git/config
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61
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62 __call__ = update
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63
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64 def sources(source_dict, **kwargs):
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65 retval = []
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66 for repo_type, sources in source_dict.items():
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67 if repo_type == 'hg':
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68 retval.extend([HgSource(source, **kwargs)
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69 for source in sources])
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70 elif repo_type == 'git':
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71 retval.extend([GitSource(source, **kwargs)
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72 for source in sources])
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73 else:
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74 raise AssertionError("Source type unknown: %s" % repo_type)
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75 return retval