Mercurial > hg > config
annotate python/hgrc.py @ 510:44f9b67bb56f
mozconf
| author | Jeff Hammel <jhammel@mozilla.com> |
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| date | Tue, 03 Sep 2013 19:56:13 -0700 |
| parents | 2a5eee9418ba |
| children | bb6e21338c5c |
| 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 |
| 8 [WIP] If http(s):// arguments are given, create hgrc file from such a thing | |
| 350 | 9 """ |
| 433 | 10 |
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11 # imports |
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12 import optparse |
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13 import os |
| 433 | 14 import subprocess |
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15 import sys |
| 477 | 16 import urlparse |
| 484 | 17 from collections import OrderedDict |
| 437 | 18 from ConfigParser import RawConfigParser as ConfigParser |
| 489 | 19 from StringIO import StringIO |
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20 |
| 484 | 21 ### global methods |
| 22 | |
| 506 | 23 def isHTTP(path): |
| 24 """is path an {http,https}:// URL?""" | |
| 25 return urlparse.urlsplit(path)[0] in ('http', 'https') | |
| 26 | |
| 480 | 27 class section(object): |
| 482 | 28 def __init__(self, section_name, *section_names): |
| 480 | 29 self.sections = [section_name] |
| 30 self.sections.extend(section_names) | |
| 486 | 31 def __call__(self, function): |
| 482 | 32 def wrapped(parser, *args, **kwargs): |
| 33 for section in self.sections: | |
| 34 if section not in parser.sections(): | |
| 35 parser.add_section(section) | |
| 486 | 36 function(parser, *args, **kwargs) |
| 482 | 37 return wrapped |
| 480 | 38 |
| 506 | 39 |
| 480 | 40 @section('paths') |
| 479 | 41 def set_default(parser, default): |
| 42 """set [paths]:default""" | |
| 488 | 43 parser.set('paths', 'default', default) |
| 487 | 44 |
| 482 | 45 @section('paths') |
| 467 | 46 def set_default_push(parser, default_push): |
| 47 """ | |
| 478 | 48 set [paths]:default-push to `default_push` |
| 467 | 49 """ |
| 478 | 50 parser.set('paths', 'default-push', default_push) |
| 51 | |
| 468 | 52 def set_default_push_to_ssh(parser): |
| 53 """ | |
| 478 | 54 set `[paths]:default-push` to that given by `[paths]:default` but |
| 474 | 55 turn the protocol to 'ssh' |
| 477 | 56 If `[paths]:default` is not there, do nothing. |
| 57 Returns True if written, otherwise False | |
| 468 | 58 """ |
| 467 | 59 |
| 477 | 60 # get [paths]:default value |
| 61 if 'paths' not in parser.sections(): | |
| 62 return False | |
| 63 if not parser.has_option('paths', 'default'): | |
| 64 return False | |
| 65 default = parser.get('paths', 'default') | |
| 475 | 66 |
| 477 | 67 # parse URL |
| 68 scheme, netloc, path, query, anchor = urlparse.urlsplit(default) | |
| 69 ssh_url = urlparse.urlunsplit(('ssh', netloc, path, query, anchor)) | |
| 70 | |
| 478 | 71 # set |
| 72 set_default_push(parser, ssh_url) | |
| 73 return True # XXX could instead be url to set to or old value | |
| 74 | |
| 473 | 75 |
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76 def main(args=sys.argv[1:]): |
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77 |
| 433 | 78 # parse command line arguments |
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79 usage = '%prog [options] repository <repository> <...>' |
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80 parser = optparse.OptionParser(usage=usage, description=__doc__) |
| 433 | 81 parser.add_option('-l', '--list', dest='list_hgrc', |
| 350 | 82 action='store_true', default=False, |
| 433 | 83 help="list full path to hgrc files") |
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84 parser.add_option('--ssh', dest='default_push_ssh', |
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85 action='store_true', default=False, |
| 350 | 86 help="use `default` entries for `default-push`") |
| 353 | 87 parser.add_option('--push', '--default-push', dest='default_push', |
| 88 help="set [paths] default-push location") | |
| 484 | 89 parser.add_option('-d', '--default', dest='default', |
| 479 | 90 help="set [paths] default entry") |
| 478 | 91 parser.add_option('-p', '--print', dest='print_ini', |
| 92 action='store_true', default=False, | |
| 93 help="print .ini contents") | |
| 489 | 94 parser.add_option('--dry-run', dest='dry_run', |
| 95 action='store_true', default=False, | |
| 96 help="don't write to disk") | |
| 437 | 97 options, args = parser.parse_args(args) |
| 433 | 98 |
| 467 | 99 # sanitization |
| 100 if options.default_push and options.default_push_ssh: | |
| 101 parser.error("Cannot set --push and --ssh") | |
| 102 | |
| 433 | 103 # if not specified, use repo from `hg root` |
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104 if not args: |
| 437 | 105 args = [subprocess.check_output(['hg', 'root']).strip()] |
| 433 | 106 |
| 107 # if not specified, set a default action | |
| 108 default_action = 'default_push_ssh' | |
| 481 | 109 available_actions = ('default', |
| 110 'default_push', | |
| 111 'default_push_ssh', | |
| 484 | 112 'print_ini', |
| 481 | 113 'list_hgrc', |
| 465 | 114 ) |
| 481 | 115 actions = [(name, getattr(options, name)) |
| 116 for name in available_actions | |
| 485 | 117 if getattr(options, name)] |
| 465 | 118 if not actions: |
| 490 | 119 # add a default action for our convenience |
| 481 | 120 actions = [('default_push_ssh', True)] |
| 484 | 121 actions = OrderedDict(actions) |
| 490 | 122 if not actions: |
| 123 parser.error("Please specify an action") | |
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124 |
| 506 | 125 # find all hgrc files and URLs |
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126 hgrc = [] |
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127 missing = [] |
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128 not_hg = [] |
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129 not_a_directory = [] |
| 506 | 130 urls = [] |
| 350 | 131 errors = {'Missing path': missing, |
| 132 'Not a mercurial directory': not_hg, | |
| 133 'Not a directory': not_a_directory, | |
| 134 } | |
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135 for path in args: |
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136 if not os.path.exists(path): |
| 506 | 137 if isHTTP(path): |
| 138 hgrc.append(path) | |
| 139 urls.append(path) | |
| 140 continue | |
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141 missing.append(path) |
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142 path = os.path.abspath(os.path.normpath(path)) |
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143 if os.path.isdir(path): |
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144 basename = os.path.basename(path) |
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145 subhgdir = os.path.join(path, '.hg') # hypothetical .hg subdirectory |
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146 if basename == '.hg': |
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147 hgrcpath = os.path.join(path, 'hgrc') |
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148 elif os.path.exists(subhgdir): |
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149 if not os.path.isdir(subhgdir): |
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150 not_a_directory.append(subhgdir) |
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151 continue |
| 437 | 152 hgrcpath = os.path.join(subhgdir, 'hgrc') |
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153 else: |
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154 not_hg.append(path) |
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155 continue |
| 437 | 156 hgrc.append(hgrcpath) |
| 350 | 157 else: |
| 158 assert os.path.isfile(path), "%s is not a file, exiting" % path | |
| 437 | 159 hgrc.append(path) |
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160 |
| 353 | 161 # raise errors if encountered |
| 437 | 162 if filter(None, errors.values()): |
| 353 | 163 for key, value in errors.items(): |
| 164 if value: | |
| 165 print '%s: %s' % (key, ', '.join(value)) | |
| 166 parser.exit(1) | |
| 167 | |
| 352 | 168 # construct ConfigParser objects and |
| 169 # ensure that all the files are parseable | |
| 170 config = {} | |
| 171 for path in hgrc: | |
| 353 | 172 config[path] = ConfigParser() |
| 352 | 173 if isinstance(path, basestring): |
| 353 | 174 if os.path.exists(path): |
| 175 config[path].read(path) | |
| 506 | 176 elif path in urls: |
| 177 if 'default' not in actions: | |
| 178 set_default(config[path], path) | |
| 353 | 179 |
| 433 | 180 # print the chosen hgrc paths |
| 484 | 181 if 'list_hgrc' in actions: |
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182 print '\n'.join(hgrc) |
| 433 | 183 |
| 482 | 184 # remove from actions list |
| 484 | 185 actions.pop('list_hgrc', None) |
| 481 | 186 |
| 470 | 187 # map of actions -> functions; |
| 188 # XXX this is pretty improv; to be improved | |
| 471 | 189 action_map = {'default_push_ssh': set_default_push_to_ssh, |
| 484 | 190 'default_push': set_default_push, |
| 191 'default': set_default | |
| 471 | 192 } |
| 470 | 193 |
| 484 | 194 # cache for later (XXX) |
| 506 | 195 print_ini = actions.pop('print_ini', bool(urls)) |
| 484 | 196 |
| 465 | 197 # alter .hgrc files |
| 486 | 198 for action_name, parameter in actions.items(): |
| 468 | 199 |
| 471 | 200 # XXX crappy |
| 473 | 201 method = action_map[action_name] |
| 476 | 202 if action_name == 'default_push_ssh': |
| 203 parameter = None | |
| 471 | 204 |
| 205 # apply to all files | |
| 470 | 206 for path, ini in config.items(): |
| 481 | 207 |
| 208 # call method with parser | |
| 486 | 209 if parameter is None: |
| 210 method(ini) | |
| 211 else: | |
| 473 | 212 method(ini, parameter) |
| 213 | |
| 478 | 214 # print .hgrc files, if specified |
| 484 | 215 if print_ini: |
| 489 | 216 values = [] |
| 484 | 217 for path, ini in config.items(): |
| 489 | 218 _buffer = StringIO() |
| 219 ini.write(_buffer) | |
| 506 | 220 value = _buffer.getvalue().strip() |
| 221 if len(config) == 1: | |
| 222 values = [value] | |
| 223 else: | |
| 224 values.append('+++ %s\n%s' % (path, value)) | |
| 489 | 225 print '\n'.join(values) |
| 226 | |
| 227 # write .ini files | |
| 228 for path, ini in config.items(): | |
| 506 | 229 if path in urls: |
| 230 continue | |
| 489 | 231 with file(path, 'w') as f: |
| 232 ini.write(f) | |
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233 |
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234 if __name__ == '__main__': |
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235 main() |