Mercurial > hg
annotate hgext/convert/darcs.py @ 6382:f3c3965fa0ff
mq: use repo.changelog.tip() instead of the "tip" tag
author | Alexis S. L. Carvalho <alexis@cecm.usp.br> |
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date | Mon, 24 Mar 2008 18:07:07 -0300 |
parents | 6ffca2bf23da |
children | f67d1468ac50 |
rev | line source |
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1 # darcs support for the convert extension |
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2 |
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3 from common import NoRepo, checktool, commandline, commit, converter_source |
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4 from mercurial.i18n import _ |
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5 from mercurial import util |
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6 import os, shutil, tempfile |
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7 |
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8 # The naming drift of ElementTree is fun! |
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9 |
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10 try: from xml.etree.cElementTree import ElementTree |
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11 except ImportError: |
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12 try: from xml.etree.ElementTree import ElementTree |
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13 except ImportError: |
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14 try: from elementtree.cElementTree import ElementTree |
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15 except ImportError: |
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16 try: from elementtree.ElementTree import ElementTree |
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17 except ImportError: ElementTree = None |
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18 |
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19 |
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20 class darcs_source(converter_source, commandline): |
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21 def __init__(self, ui, path, rev=None): |
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22 converter_source.__init__(self, ui, path, rev=rev) |
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23 commandline.__init__(self, ui, 'darcs') |
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24 |
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25 # check for _darcs, ElementTree, _darcs/inventory so that we can |
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26 # easily skip test-convert-darcs if ElementTree is not around |
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27 if not os.path.exists(os.path.join(path, '_darcs')): |
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28 raise NoRepo("%s does not look like a darcs repo" % path) |
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29 |
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30 checktool('darcs') |
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31 |
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32 if ElementTree is None: |
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33 raise util.Abort(_("Python ElementTree module is not available")) |
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34 |
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35 if not os.path.exists(os.path.join(path, '_darcs', 'inventory')): |
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36 raise NoRepo("%s does not look like a darcs repo" % path) |
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37 |
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38 self.path = os.path.realpath(path) |
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39 |
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40 self.lastrev = None |
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41 self.changes = {} |
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42 self.parents = {} |
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43 self.tags = {} |
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44 |
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45 def before(self): |
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46 self.tmppath = tempfile.mkdtemp( |
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47 prefix='convert-' + os.path.basename(self.path) + '-') |
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48 output, status = self.run('init', repodir=self.tmppath) |
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49 self.checkexit(status) |
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50 |
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51 tree = self.xml('changes', xml_output=True, summary=True, |
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52 repodir=self.path) |
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53 tagname = None |
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54 child = None |
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55 for elt in tree.findall('patch'): |
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56 node = elt.get('hash') |
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57 name = elt.findtext('name', '') |
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58 if name.startswith('TAG '): |
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59 tagname = name[4:].strip() |
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60 elif tagname is not None: |
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61 self.tags[tagname] = node |
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62 tagname = None |
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63 self.changes[node] = elt |
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64 self.parents[child] = [node] |
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65 child = node |
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66 self.parents[child] = [] |
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67 |
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68 def after(self): |
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69 self.ui.debug('cleaning up %s\n' % self.tmppath) |
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70 shutil.rmtree(self.tmppath, ignore_errors=True) |
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71 |
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72 def xml(self, cmd, **kwargs): |
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73 etree = ElementTree() |
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74 fp = self._run(cmd, **kwargs) |
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75 etree.parse(fp) |
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76 self.checkexit(fp.close()) |
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77 return etree.getroot() |
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78 |
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79 def getheads(self): |
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80 return self.parents[None] |
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81 |
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82 def getcommit(self, rev): |
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83 elt = self.changes[rev] |
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84 date = util.strdate(elt.get('local_date'), '%a %b %d %H:%M:%S %Z %Y') |
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85 desc = elt.findtext('name') + '\n' + elt.findtext('comment', '') |
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86 return commit(author=elt.get('author'), date=util.datestr(date), |
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87 desc=desc.strip(), parents=self.parents[rev]) |
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88 |
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89 def pull(self, rev): |
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90 output, status = self.run('pull', self.path, all=True, |
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91 match='hash %s' % rev, |
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92 no_test=True, no_posthook=True, |
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93 external_merge='/bin/false', |
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94 repodir=self.tmppath) |
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95 if status: |
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96 if output.find('We have conflicts in') == -1: |
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97 self.checkexit(status, output) |
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98 output, status = self.run('revert', all=True, repodir=self.tmppath) |
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99 self.checkexit(status, output) |
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100 |
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101 def getchanges(self, rev): |
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102 self.pull(rev) |
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103 copies = {} |
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104 changes = [] |
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105 for elt in self.changes[rev].find('summary').getchildren(): |
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106 if elt.tag in ('add_directory', 'remove_directory'): |
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107 continue |
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108 if elt.tag == 'move': |
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109 changes.append((elt.get('from'), rev)) |
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110 copies[elt.get('from')] = elt.get('to') |
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111 else: |
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112 changes.append((elt.text.strip(), rev)) |
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113 changes.sort() |
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114 self.lastrev = rev |
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115 return changes, copies |
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116 |
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117 def getfile(self, name, rev): |
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118 if rev != self.lastrev: |
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119 raise util.Abort(_('internal calling inconsistency')) |
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120 return open(os.path.join(self.tmppath, name), 'rb').read() |
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121 |
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122 def getmode(self, name, rev): |
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123 mode = os.lstat(os.path.join(self.tmppath, name)).st_mode |
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124 return (mode & 0111) and 'x' or '' |
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125 |
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126 def gettags(self): |
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127 return self.tags |