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annotate silvermirror/hg.py @ 34:f0b30886801f

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STUB: silvermirror/hg.py
author Jeff Hammel <k0scist@gmail.com>
date Fri, 31 Jan 2014 23:25:46 -0800
parents d5e0bce5e411
children 52937c25edf0
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1 #!/usr/bin/env python
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3 """
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4 stub for the hg backend of silvermirror
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5 """
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03911cb46f53 STUB: setup.py silvermirror/hg.py
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7 import hglib # http://mercurial.selenic.com/wiki/PythonHglib
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8 import os
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9 import sys
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10 import argparse
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11 from hglib.error import ServerError
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12
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13 _import_error = None
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14 try:
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15 import lxml.html
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16 except ImportError as _import_error:
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17 pass
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20 def update(source, path):
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21 """
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22 get changes from host on path
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23 """
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24 try:
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25 repo = hglib.open(path)
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26 print ('Updating {}:'.format(path))
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27 repo.pull(source, update=True, insecure=True)
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28 except ServerError:
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29 print ('Cloning {} -> {}'.format(source, path))
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30 repo = hglib.clone(source, path)
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33 # TODO: local repository
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34 # def repositories(path):
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35 # """
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36 # return all hg repositories in a path
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37 # """
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38
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39 # ui = ui.ui()
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40 # files = [ os.path.join(path, f) for f in os.listdir(path) ]
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41 # directories = [ f for f in files if os.path.isdir(f) ]
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42
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43 # repos = []
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44 # for d in directories:
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45 # try:
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46 # repo = hg.repository(ui, d)
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47 # repos.append(os.path.basename(d))
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48 # except mercurial.repo.RepoError:
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49 # pass
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50 # return repos
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51
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52 def repositories(url):
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53 """
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54 returns the list of repositories under a URL of an hg server
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55 """
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56 element = lxml.html.parse(url)
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57 tds = element.xpath('//tr[position() > 1]/td[1]')
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58 repos = [i.text_content() for i in tds]
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59 return repos
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62 def main(args=sys.argv[1:]):
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63 """CLI"""
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64
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65 # parse command line
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66 parser = argparse.ArgumentParser(description=__doc__)
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67 parser.add_argument('host',
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68 help="URL of mercurial repository index page")
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69 parser.add_argument('-d', '--directory', dest='directory',
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70 default=os.path.join(os.environ['HOME'], 'hg'),
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71 help="base directory to clone/update to [DEFAULT: %(default)s]")
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72 parser.add_argument('--list', dest='list',
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73 action='store_true', default=False,
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74 help="list repositories and exit")
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75 options = parser.parse_args(args)
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76 if _import_error is not None:
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77 # XXX better error handling
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78 parser.error("Must have hglib and lxml package to use, sorry: {}".format(_import_error))
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80 # kill trailing slash
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81 options.host = options.host.rstrip('/')
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82
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83 # get repositories
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84 repos = repositories(options.host)
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85 if options.list:
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86 for repo in repos:
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87 print repo
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88 sys.exit(0)
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89
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90 # clone/update repos to directory
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91 if not os.path.exists(options.directory):
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92 os.mkdir(options.directory)
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93 for repo in repos:
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94 source = '{}/{}'.format(options.host, repo)
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95 dest = os.path.join(options.directory, repo)
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96 update(source, dest)
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97
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98 if __name__ == '__main__':
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99 main()