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annotate silvermirror/hg.py @ 27:a648f57b1921

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STUB: silvermirror/hg.py
author Jeff Hammel <k0scist@gmail.com>
date Fri, 31 Jan 2014 19:26:34 -0800
parents 16a12d660609
children 03911cb46f53
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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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6
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7 import os
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8 import sys
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9 import argparse
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10
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11 _import_error = None
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12 try:
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13 import lxml.html
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14 except ImportError as _import_error:
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15 pass
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18 def update(host, path):
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19 """
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20 get changes from host on path
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21 """
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22 _ui = ui.ui()
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23 url = '%s/%s' % (host, path)
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24 try:
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25 repo = hg.repository(_ui, path)
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26 print 'Updating %s:' % path
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27 except Exception, e:
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28 import pdb;pdb.set_trace()
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29 repo = hg.repository(_ui, url)
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30 print 'Cloning %s:' % path
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31 commands.clone(_ui, repo, pull=False, uncompressed=False, rev=None, noupdate=False)
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32 return
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33
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34 commands.pull(_ui, repo, url, rev=None, force=False, update=True)
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36 # TODO:
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37 # def repositories(path):
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38 # """
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39 # return all hg repositories in a path
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40 # """
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41
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42 # ui = ui.ui()
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43 # files = [ os.path.join(path, f) for f in os.listdir(path) ]
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44 # directories = [ f for f in files if os.path.isdir(f) ]
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46 # repos = []
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47 # for d in directories:
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48 # try:
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49 # repo = hg.repository(ui, d)
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50 # repos.append(os.path.basename(d))
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51 # except mercurial.repo.RepoError:
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52 # pass
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53 # return repos
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54
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55 def repositories(url):
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56 """
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57 returns the list of repositories under a URL of an hg server
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58 """
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59 element = lxml.html.parse(url)
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60 tds = element.xpath('//tr[position() > 1]/td[1]')
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61 repos = [i.text_content() for i in tds]
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62 return repos
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65 def main(args=sys.argv[1:]):
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66 """CLI"""
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67
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68 # parse command line
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69 parser = argparse.ArgumentParser(description=__doc__)
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70 parser.add_argument('host', dest='host',
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71 help="URL of mercurial repository index page")
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72 parser.add_argument('-d', '--directory', dest='directory',
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73 default=os.path.join(os.environ['HOME'], 'hg'),
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74 help="base directory to clone/update to [DEFAULT: %default]")
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75 parser.add_argument('--list', dest='list',
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76 action='store_true', default=False,
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77 help="list repositories and exit")
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78 options = parser.parse_args(args)
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79 if _import_error is not None:
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80 # XXX better error handling
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81 parser.error("Must have hglib and lxml package to use, sorry: {}".format(_import_error))
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82
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83 # kill trailing slash
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84 options.host = options.host.rstrip('/')
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85
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86 # get repositories
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87 repos = repositories(options.host)
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88 if options.list:
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89 for repo in repos:
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90 print repo
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91 sys.exit(0)
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92
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93 # clone/update repos to directory
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94 if not os.path.exists(options.directory):
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95 os.mkdir(options.directory)
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96 for repo in repos:
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97 update(options.host, repo)
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98
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99 if __name__ == '__main__':
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100 main()