Mercurial > hg > config
annotate python/hgrc.py @ 718:cd9d65e6e2ab
monkeypatch example
| author | Jeff Hammel <k0scist@gmail.com> |
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| date | Thu, 30 Oct 2014 15:22:29 -0700 |
| parents | bb6e21338c5c |
| children | a5a339b7fd82 |
| rev | line source |
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1 #!/usr/bin/env python |
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2 |
| 350 | 3 """ |
| 4 Script for modifying hgrc files. | |
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5 |
| 433 | 6 If no arguments specified, the repository given by `hg root` is used. |
| 505 | 7 |
| 568 | 8 If http(s):// arguments are given, create hgrc file from such a thing |
| 350 | 9 """ |
| 433 | 10 |
| 568 | 11 ## TODO: |
| 12 # - functionality to populate [web]-> description in hgrc file from | |
| 13 # setup.py, e.g. | |
| 14 # http://stackoverflow.com/questions/1541778/mercurial-how-do-i-populate-repository-descriptions-for-hgwebdir-cgi | |
| 15 # Could also loop over a directory; e.g. | |
| 16 # `hgrc --setup-web . # loop over all .hg repos in this directory` | |
| 17 | |
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18 # imports |
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19 import optparse |
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20 import os |
| 433 | 21 import subprocess |
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22 import sys |
| 477 | 23 import urlparse |
| 484 | 24 from collections import OrderedDict |
| 437 | 25 from ConfigParser import RawConfigParser as ConfigParser |
| 489 | 26 from StringIO import StringIO |
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27 |
| 484 | 28 ### global methods |
| 29 | |
| 506 | 30 def isHTTP(path): |
| 31 """is path an {http,https}:// URL?""" | |
| 32 return urlparse.urlsplit(path)[0] in ('http', 'https') | |
| 33 | |
| 480 | 34 class section(object): |
| 482 | 35 def __init__(self, section_name, *section_names): |
| 480 | 36 self.sections = [section_name] |
| 37 self.sections.extend(section_names) | |
| 486 | 38 def __call__(self, function): |
| 482 | 39 def wrapped(parser, *args, **kwargs): |
| 40 for section in self.sections: | |
| 41 if section not in parser.sections(): | |
| 42 parser.add_section(section) | |
| 486 | 43 function(parser, *args, **kwargs) |
| 482 | 44 return wrapped |
| 480 | 45 |
| 506 | 46 |
| 480 | 47 @section('paths') |
| 479 | 48 def set_default(parser, default): |
| 49 """set [paths]:default""" | |
| 488 | 50 parser.set('paths', 'default', default) |
| 487 | 51 |
| 482 | 52 @section('paths') |
| 467 | 53 def set_default_push(parser, default_push): |
| 54 """ | |
| 478 | 55 set [paths]:default-push to `default_push` |
| 467 | 56 """ |
| 478 | 57 parser.set('paths', 'default-push', default_push) |
| 58 | |
| 468 | 59 def set_default_push_to_ssh(parser): |
| 60 """ | |
| 478 | 61 set `[paths]:default-push` to that given by `[paths]:default` but |
| 474 | 62 turn the protocol to 'ssh' |
| 477 | 63 If `[paths]:default` is not there, do nothing. |
| 64 Returns True if written, otherwise False | |
| 468 | 65 """ |
| 467 | 66 |
| 477 | 67 # get [paths]:default value |
| 68 if 'paths' not in parser.sections(): | |
| 69 return False | |
| 70 if not parser.has_option('paths', 'default'): | |
| 71 return False | |
| 72 default = parser.get('paths', 'default') | |
| 475 | 73 |
| 477 | 74 # parse URL |
| 75 scheme, netloc, path, query, anchor = urlparse.urlsplit(default) | |
| 76 ssh_url = urlparse.urlunsplit(('ssh', netloc, path, query, anchor)) | |
| 77 | |
| 478 | 78 # set |
| 79 set_default_push(parser, ssh_url) | |
| 80 return True # XXX could instead be url to set to or old value | |
| 81 | |
| 473 | 82 |
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83 def main(args=sys.argv[1:]): |
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84 |
| 433 | 85 # parse command line arguments |
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86 usage = '%prog [options] repository <repository> <...>' |
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87 parser = optparse.OptionParser(usage=usage, description=__doc__) |
| 433 | 88 parser.add_option('-l', '--list', dest='list_hgrc', |
| 350 | 89 action='store_true', default=False, |
| 433 | 90 help="list full path to hgrc files") |
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91 parser.add_option('--ssh', dest='default_push_ssh', |
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92 action='store_true', default=False, |
| 350 | 93 help="use `default` entries for `default-push`") |
| 353 | 94 parser.add_option('--push', '--default-push', dest='default_push', |
| 95 help="set [paths] default-push location") | |
| 484 | 96 parser.add_option('-d', '--default', dest='default', |
| 479 | 97 help="set [paths] default entry") |
| 478 | 98 parser.add_option('-p', '--print', dest='print_ini', |
| 99 action='store_true', default=False, | |
| 100 help="print .ini contents") | |
| 489 | 101 parser.add_option('--dry-run', dest='dry_run', |
| 102 action='store_true', default=False, | |
| 103 help="don't write to disk") | |
| 437 | 104 options, args = parser.parse_args(args) |
| 433 | 105 |
| 467 | 106 # sanitization |
| 107 if options.default_push and options.default_push_ssh: | |
| 108 parser.error("Cannot set --push and --ssh") | |
| 109 | |
| 433 | 110 # if not specified, use repo from `hg root` |
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111 if not args: |
| 437 | 112 args = [subprocess.check_output(['hg', 'root']).strip()] |
| 433 | 113 |
| 114 # if not specified, set a default action | |
| 115 default_action = 'default_push_ssh' | |
| 481 | 116 available_actions = ('default', |
| 117 'default_push', | |
| 118 'default_push_ssh', | |
| 484 | 119 'print_ini', |
| 481 | 120 'list_hgrc', |
| 465 | 121 ) |
| 481 | 122 actions = [(name, getattr(options, name)) |
| 123 for name in available_actions | |
| 485 | 124 if getattr(options, name)] |
| 465 | 125 if not actions: |
| 490 | 126 # add a default action for our convenience |
| 481 | 127 actions = [('default_push_ssh', True)] |
| 484 | 128 actions = OrderedDict(actions) |
| 490 | 129 if not actions: |
| 130 parser.error("Please specify an action") | |
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131 |
| 506 | 132 # find all hgrc files and URLs |
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133 hgrc = [] |
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134 missing = [] |
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135 not_hg = [] |
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136 not_a_directory = [] |
| 506 | 137 urls = [] |
| 350 | 138 errors = {'Missing path': missing, |
| 139 'Not a mercurial directory': not_hg, | |
| 140 'Not a directory': not_a_directory, | |
| 141 } | |
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142 for path in args: |
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143 if not os.path.exists(path): |
| 506 | 144 if isHTTP(path): |
| 145 hgrc.append(path) | |
| 146 urls.append(path) | |
| 147 continue | |
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148 missing.append(path) |
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149 path = os.path.abspath(os.path.normpath(path)) |
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150 if os.path.isdir(path): |
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151 basename = os.path.basename(path) |
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152 subhgdir = os.path.join(path, '.hg') # hypothetical .hg subdirectory |
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153 if basename == '.hg': |
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154 hgrcpath = os.path.join(path, 'hgrc') |
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155 elif os.path.exists(subhgdir): |
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156 if not os.path.isdir(subhgdir): |
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157 not_a_directory.append(subhgdir) |
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158 continue |
| 437 | 159 hgrcpath = os.path.join(subhgdir, 'hgrc') |
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160 else: |
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161 not_hg.append(path) |
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162 continue |
| 437 | 163 hgrc.append(hgrcpath) |
| 350 | 164 else: |
| 165 assert os.path.isfile(path), "%s is not a file, exiting" % path | |
| 437 | 166 hgrc.append(path) |
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167 |
| 353 | 168 # raise errors if encountered |
| 437 | 169 if filter(None, errors.values()): |
| 353 | 170 for key, value in errors.items(): |
| 171 if value: | |
| 172 print '%s: %s' % (key, ', '.join(value)) | |
| 173 parser.exit(1) | |
| 174 | |
| 352 | 175 # construct ConfigParser objects and |
| 176 # ensure that all the files are parseable | |
| 177 config = {} | |
| 178 for path in hgrc: | |
| 353 | 179 config[path] = ConfigParser() |
| 352 | 180 if isinstance(path, basestring): |
| 353 | 181 if os.path.exists(path): |
| 182 config[path].read(path) | |
| 506 | 183 elif path in urls: |
| 184 if 'default' not in actions: | |
| 185 set_default(config[path], path) | |
| 353 | 186 |
| 433 | 187 # print the chosen hgrc paths |
| 484 | 188 if 'list_hgrc' in actions: |
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189 print '\n'.join(hgrc) |
| 433 | 190 |
| 482 | 191 # remove from actions list |
| 484 | 192 actions.pop('list_hgrc', None) |
| 481 | 193 |
| 470 | 194 # map of actions -> functions; |
| 195 # XXX this is pretty improv; to be improved | |
| 471 | 196 action_map = {'default_push_ssh': set_default_push_to_ssh, |
| 484 | 197 'default_push': set_default_push, |
| 198 'default': set_default | |
| 471 | 199 } |
| 470 | 200 |
| 484 | 201 # cache for later (XXX) |
| 506 | 202 print_ini = actions.pop('print_ini', bool(urls)) |
| 484 | 203 |
| 465 | 204 # alter .hgrc files |
| 486 | 205 for action_name, parameter in actions.items(): |
| 468 | 206 |
| 471 | 207 # XXX crappy |
| 473 | 208 method = action_map[action_name] |
| 476 | 209 if action_name == 'default_push_ssh': |
| 210 parameter = None | |
| 471 | 211 |
| 212 # apply to all files | |
| 470 | 213 for path, ini in config.items(): |
| 481 | 214 |
| 215 # call method with parser | |
| 486 | 216 if parameter is None: |
| 217 method(ini) | |
| 218 else: | |
| 473 | 219 method(ini, parameter) |
| 220 | |
| 478 | 221 # print .hgrc files, if specified |
| 484 | 222 if print_ini: |
| 489 | 223 values = [] |
| 484 | 224 for path, ini in config.items(): |
| 489 | 225 _buffer = StringIO() |
| 226 ini.write(_buffer) | |
| 506 | 227 value = _buffer.getvalue().strip() |
| 228 if len(config) == 1: | |
| 229 values = [value] | |
| 230 else: | |
| 231 values.append('+++ %s\n%s' % (path, value)) | |
| 489 | 232 print '\n'.join(values) |
| 233 | |
| 234 # write .ini files | |
| 235 for path, ini in config.items(): | |
| 506 | 236 if path in urls: |
| 237 continue | |
| 489 | 238 with file(path, 'w') as f: |
| 239 ini.write(f) | |
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240 |
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241 if __name__ == '__main__': |
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242 main() |