1 # SPDX-License-Identifier: GPL-2.0+
2 # Copyright (c) 2011 The Chromium OS Authors.
5 from __future__ import print_function
8 import configparser as ConfigParser
19 """Default settings per-project.
21 These are used by _ProjectConfigParser. Settings names should match
22 the "dest" of the option parser from patman.py.
27 "process_tags": "False",
31 class _ProjectConfigParser(ConfigParser.SafeConfigParser):
32 """ConfigParser that handles projects.
34 There are two main goals of this class:
35 - Load project-specific default settings.
36 - Merge general default settings/aliases with project-specific ones.
38 # Sample config used for tests below...
40 ... from StringIO import StringIO
41 ... except ImportError:
42 ... from io import StringIO
43 >>> sample_config = '''
45 ... me: Peter P. <likesspiders@example.com>
46 ... enemies: Evil <evil@example.com>
49 ... enemies: Green G. <ugly@example.com>
52 ... enemies: Doc O. <pus@example.com>
58 # Check to make sure that bogus project gets general alias.
59 >>> config = _ProjectConfigParser("zzz")
60 >>> config.readfp(StringIO(sample_config))
61 >>> str(config.get("alias", "enemies"))
62 'Evil <evil@example.com>'
64 # Check to make sure that alias gets overridden by project.
65 >>> config = _ProjectConfigParser("sm")
66 >>> config.readfp(StringIO(sample_config))
67 >>> str(config.get("alias", "enemies"))
68 'Green G. <ugly@example.com>'
70 # Check to make sure that settings get merged with project.
71 >>> config = _ProjectConfigParser("linux")
72 >>> config.readfp(StringIO(sample_config))
73 >>> sorted((str(a), str(b)) for (a, b) in config.items("settings"))
74 [('am_hero', 'True'), ('process_tags', 'False')]
76 # Check to make sure that settings works with unknown project.
77 >>> config = _ProjectConfigParser("unknown")
78 >>> config.readfp(StringIO(sample_config))
79 >>> sorted((str(a), str(b)) for (a, b) in config.items("settings"))
82 def __init__(self, project_name):
83 """Construct _ProjectConfigParser.
85 In addition to standard SafeConfigParser initialization, this also loads
89 project_name: The name of the project.
91 self._project_name = project_name
92 ConfigParser.SafeConfigParser.__init__(self)
94 # Update the project settings in the config based on
95 # the _default_settings global.
96 project_settings = "%s_settings" % project_name
97 if not self.has_section(project_settings):
98 self.add_section(project_settings)
99 project_defaults = _default_settings.get(project_name, {})
100 for setting_name, setting_value in project_defaults.items():
101 self.set(project_settings, setting_name, setting_value)
103 def get(self, section, option, *args, **kwargs):
104 """Extend SafeConfigParser to try project_section before section.
107 See SafeConfigParser.
109 See SafeConfigParser.
112 val = ConfigParser.SafeConfigParser.get(
113 self, "%s_%s" % (self._project_name, section), option,
116 except (ConfigParser.NoSectionError, ConfigParser.NoOptionError):
117 val = ConfigParser.SafeConfigParser.get(
118 self, section, option, *args, **kwargs
120 return tools.ToUnicode(val)
122 def items(self, section, *args, **kwargs):
123 """Extend SafeConfigParser to add project_section to section.
126 See SafeConfigParser.
128 See SafeConfigParser.
131 has_project_section = False
134 # Get items from the project section
136 project_items = ConfigParser.SafeConfigParser.items(
137 self, "%s_%s" % (self._project_name, section), *args, **kwargs
139 has_project_section = True
140 except ConfigParser.NoSectionError:
143 # Get top-level items
145 top_items = ConfigParser.SafeConfigParser.items(
146 self, section, *args, **kwargs
148 except ConfigParser.NoSectionError:
149 # If neither section exists raise the error on...
150 if not has_project_section:
153 item_dict = dict(top_items)
154 item_dict.update(project_items)
155 return {(tools.ToUnicode(item), tools.ToUnicode(val))
156 for item, val in item_dict.items()}
158 def ReadGitAliases(fname):
159 """Read a git alias file. This is in the form used by git:
161 alias uboot u-boot@lists.denx.de
162 alias wd Wolfgang Denk <wd@denx.de>
165 fname: Filename to read
168 fd = open(fname, 'r')
170 print("Warning: Cannot find alias file '%s'" % fname)
173 re_line = re.compile('alias\s+(\S+)\s+(.*)')
174 for line in fd.readlines():
176 if not line or line[0] == '#':
179 m = re_line.match(line)
181 print("Warning: Alias file line '%s' not understood" % line)
184 list = alias.get(m.group(1), [])
185 for item in m.group(2).split(','):
189 alias[m.group(1)] = list
193 def CreatePatmanConfigFile(config_fname):
194 """Creates a config file under $(HOME)/.patman if it can't find one.
197 config_fname: Default config filename i.e., $(HOME)/.patman
202 name = gitutil.GetDefaultUserName()
204 name = raw_input("Enter name: ")
206 email = gitutil.GetDefaultUserEmail()
209 email = raw_input("Enter email: ")
212 f = open(config_fname, 'w')
214 print("Couldn't create patman config file\n")
221 nxp = Zhikang Zhang <zhikang.zhang@nxp.com>
222 ''' % (name, email), file=f)
225 def _UpdateDefaults(parser, config):
226 """Update the given OptionParser defaults based on config.
228 We'll walk through all of the settings from the parser
229 For each setting we'll look for a default in the option parser.
230 If it's found we'll update the option parser default.
232 The idea here is that the .patman file should be able to update
233 defaults but that command line flags should still have the final
237 parser: An instance of an OptionParser whose defaults will be
239 config: An instance of _ProjectConfigParser that we will query
242 defaults = parser.get_default_values()
243 for name, val in config.items('settings'):
244 if hasattr(defaults, name):
245 default_val = getattr(defaults, name)
246 if isinstance(default_val, bool):
247 val = config.getboolean('settings', name)
248 elif isinstance(default_val, int):
249 val = config.getint('settings', name)
250 parser.set_default(name, val)
252 print("WARNING: Unknown setting %s" % name)
254 def _ReadAliasFile(fname):
255 """Read in the U-Boot git alias file if it exists.
258 fname: Filename to read.
260 if os.path.exists(fname):
262 with open(fname) as fd:
267 if not line or line.startswith('#'):
269 words = line.split(None, 2)
270 if len(words) < 3 or words[0] != 'alias':
272 bad_line = "%s:%d:Invalid line '%s'" % (fname, linenum,
275 alias[words[1]] = [s.strip() for s in words[2].split(',')]
279 def _ReadBouncesFile(fname):
280 """Read in the bounces file if it exists
283 fname: Filename to read.
285 if os.path.exists(fname):
286 with open(fname) as fd:
288 if line.startswith('#'):
290 bounces.add(line.strip())
292 def GetItems(config, section):
293 """Get the items from a section of the config.
296 config: _ProjectConfigParser object containing settings
297 section: name of section to retrieve
300 List of (name, value) tuples for the section
303 return config.items(section)
304 except ConfigParser.NoSectionError as e:
309 def Setup(parser, project_name, config_fname=''):
310 """Set up the settings module by reading config files.
313 parser: The parser to update
314 project_name: Name of project that we're working on; we'll look
315 for sections named "project_section" as well.
316 config_fname: Config filename to read ('' for default)
318 # First read the git alias file if available
319 _ReadAliasFile('doc/git-mailrc')
320 config = _ProjectConfigParser(project_name)
321 if config_fname == '':
322 config_fname = '%s/.patman' % os.getenv('HOME')
324 if not os.path.exists(config_fname):
325 print("No config file found ~/.patman\nCreating one...\n")
326 CreatePatmanConfigFile(config_fname)
328 config.read(config_fname)
330 for name, value in GetItems(config, 'alias'):
331 alias[name] = value.split(',')
333 _ReadBouncesFile('doc/bounces')
334 for name, value in GetItems(config, 'bounces'):
337 _UpdateDefaults(parser, config)
339 # These are the aliases we understand, indexed by alias. Each member is a list.
343 if __name__ == "__main__":