def __init__(self, *args, **kwargs):
super(Scalastyle, self).__init__(*args, **kwargs)
self._scalastyle_config = self.context.config.get_required(
self._CONFIG_SECTION, 'config')
if not os.path.exists(self._scalastyle_config):
raise Config.ConfigError(
'Scalastyle config file does not exist: %s' %
self._scalastyle_config)
excludes_file = self.context.config.get(self._CONFIG_SECTION,
'excludes')
self._excludes = set()
if excludes_file:
if not os.path.exists(excludes_file):
raise Config.ConfigError(
'Scalastyle excludes file does not exist: %s' %
excludes_file)
self.context.log.debug('Using scalastyle excludes file %s' %
excludes_file)
with open(excludes_file) as fh:
for pattern in fh.readlines():
self._excludes.add(re.compile(pattern.strip()))
self._scalastyle_bootstrap_key = 'scalastyle'
self.register_jvm_tool(self._scalastyle_bootstrap_key, [':scalastyle'])
def _initialize_config(self):
scalastyle_config = self.context.config.get(
self._CONFIG_SECTION, self._CONFIG_SECTION_CONFIG_OPTION)
# Scalastyle task by default isn't wired up in pants, but if it is installed
# via plugin, then the config file setting is required.
if not scalastyle_config:
raise Config.ConfigError(
'Scalastyle config is missing from section[{section}] option[{setting}] in '
'pants.ini.'.format(
section=self._CONFIG_SECTION,
setting=self._CONFIG_SECTION_CONFIG_OPTION))
# And the config setting value must be a valid file.
if not os.path.exists(scalastyle_config):
raise Config.ConfigError(
'Scalastyle config file specified in section[{section}] option[{setting}] in pants.ini '
'does not exist: {file}'.format(
section=self._CONFIG_SECTION,
setting=self._CONFIG_SECTION_CONFIG_OPTION,
file=scalastyle_config))
excludes_file = self.context.config.get(
self._CONFIG_SECTION, self._CONFIG_SECTION_EXCLUDES_OPTION)
scalastyle_excludes = set()
if excludes_file:
# excludes setting is optional, but if specified, must be a valid file.
if not os.path.exists(excludes_file):
raise Config.ConfigError(
'Scalastyle excludes file specified in section[{section}] option[{setting}] in '
'pants.ini does not exist: {file}'.format(
section=self._CONFIG_SECTION,
setting=self._CONFIG_SECTION_EXCLUDES_OPTION,
file=excludes_file))
with open(excludes_file) as fh:
for pattern in fh.readlines():
scalastyle_excludes.add(re.compile(pattern.strip()))
self.context.log.debug(
'Scalastyle file exclude pattern: {pattern}'.format(
pattern=pattern))
else:
# excludes setting is optional.
self.context.log.debug(
'Unable to get section[{section}] option[{setting}] value in pants.ini. '
'All scala sources will be checked.'.format(
section=self._CONFIG_SECTION,
setting=self._CONFIG_SECTION_EXCLUDES_OPTION))
# Only transfer to local variables to the state at the end to minimize side effects.
self._scalastyle_config = scalastyle_config or None
self._scalastyle_excludes = scalastyle_excludes or None