eric: comparison eric6/DebugClients/Python/coverage/config.py

-:f99d60d6b59b
+:2602857055c5
+# Licensed under the Apache License: http://www.apache.org/licenses/LICENSE-2.0
+# For details: https://bitbucket.org/ned/coveragepy/src/default/NOTICE.txt
+"""Config file for coverage.py"""
+import collections
+import os
+import re
+import sys
+from coverage.backward import configparser, iitems, string_class
+from coverage.misc import contract, CoverageException, isolate_module
+os = isolate_module(os)
+class HandyConfigParser(configparser.RawConfigParser):
+"""Our specialization of ConfigParser."""
+def __init__(self, our_file):
+"""Create the HandyConfigParser.
+`our_file` is True if this config file is specifically for coverage,
+False if we are examining another config file (tox.ini, setup.cfg)
+for possible settings.
+"""
+configparser.RawConfigParser.__init__(self)
+self.section_prefixes = ["coverage:"]
+if our_file:
+self.section_prefixes.append("")
+def read(self, filenames):
+"""Read a file name as UTF-8 configuration data."""
+kwargs = {}
+if sys.version_info >= (3, 2):
+kwargs['encoding'] = "utf-8"
+return configparser.RawConfigParser.read(self, filenames, **kwargs)
+def has_option(self, section, option):
+for section_prefix in self.section_prefixes:
+real_section = section_prefix + section
+has = configparser.RawConfigParser.has_option(self, real_section, option)
+if has:
+return has
+return False
+def has_section(self, section):
+for section_prefix in self.section_prefixes:
+real_section = section_prefix + section
+has = configparser.RawConfigParser.has_section(self, real_section)
+if has:
+return real_section
+return False
+def options(self, section):
+for section_prefix in self.section_prefixes:
+real_section = section_prefix + section
+if configparser.RawConfigParser.has_section(self, real_section):
+return configparser.RawConfigParser.options(self, real_section)
+raise configparser.NoSectionError
+def get_section(self, section):
+"""Get the contents of a section, as a dictionary."""
+d = {}
+for opt in self.options(section):
+d[opt] = self.get(section, opt)
+return d
+def get(self, section, option, *args, **kwargs):        # pylint: disable=arguments-differ
+"""Get a value, replacing environment variables also.
+The arguments are the same as `RawConfigParser.get`, but in the found
+value, ``$WORD`` or ``${WORD}`` are replaced by the value of the
+environment variable ``WORD``.
+Returns the finished value.
+"""
+for section_prefix in self.section_prefixes:
+real_section = section_prefix + section
+if configparser.RawConfigParser.has_option(self, real_section, option):
+break
+else:
+raise configparser.NoOptionError
+v = configparser.RawConfigParser.get(self, real_section, option, *args, **kwargs)
+def dollar_replace(m):
+"""Called for each $replacement."""
+# Only one of the groups will have matched, just get its text.
+word = next(w for w in m.groups() if w is not None)     # pragma: part covered
+if word == "$":
+return "$"
+else:
+return os.environ.get(word, '')
+dollar_pattern = r"""(?x)   # Use extended regex syntax
+\$(?:                   # A dollar sign, then
+(?P<v1>\w+) |           #   a plain word,
+{(?P<v2>\w+)} |         #   or a {-wrapped word,
+(?P<char>[$])           #   or a dollar sign.
+)
+"""
+v = re.sub(dollar_pattern, dollar_replace, v)
+return v
+def getlist(self, section, option):
+"""Read a list of strings.
+The value of `section` and `option` is treated as a comma- and newline-
+separated list of strings.  Each value is stripped of whitespace.
+Returns the list of strings.
+"""
+value_list = self.get(section, option)
+values = []
+for value_line in value_list.split('\n'):
+for value in value_line.split(','):
+value = value.strip()
+if value:
+values.append(value)
+return values
+def getregexlist(self, section, option):
+"""Read a list of full-line regexes.
+The value of `section` and `option` is treated as a newline-separated
+list of regexes.  Each value is stripped of whitespace.
+Returns the list of strings.
+"""
+line_list = self.get(section, option)
+value_list = []
+for value in line_list.splitlines():
+value = value.strip()
+try:
+re.compile(value)
+except re.error as e:
+raise CoverageException(
+"Invalid [%s].%s value %r: %s" % (section, option, value, e)
+)
+if value:
+value_list.append(value)
+return value_list
+# The default line exclusion regexes.
+DEFAULT_EXCLUDE = [
+r'#\s*(pragma|PRAGMA)[:\s]?\s*(no|NO)\s*(cover|COVER)',
+]
+# The default partial branch regexes, to be modified by the user.
+DEFAULT_PARTIAL = [
+r'#\s*(pragma|PRAGMA)[:\s]?\s*(no|NO)\s*(branch|BRANCH)',
+]
+# The default partial branch regexes, based on Python semantics.
+# These are any Python branching constructs that can't actually execute all
+# their branches.
+DEFAULT_PARTIAL_ALWAYS = [
+'while (True|1|False|0):',
+'if (True|1|False|0):',
+]
+class CoverageConfig(object):
+"""Coverage.py configuration.
+The attributes of this class are the various settings that control the
+operation of coverage.py.
+"""
+def __init__(self):
+"""Initialize the configuration attributes to their defaults."""
+# Metadata about the config.
+self.attempted_config_files = []
+self.config_files = []
+# Defaults for [run] and [report]
+self._include = None
+self._omit = None
+# Defaults for [run]
+self.branch = False
+self.concurrency = None
+self.cover_pylib = False
+self.data_file = ".coverage"
+self.debug = []
+self.disable_warnings = []
+self.note = None
+self.parallel = False
+self.plugins = []
+self.source = None
+self.run_include = None
+self.run_omit = None
+self.timid = False
+# Defaults for [report]
+self.exclude_list = DEFAULT_EXCLUDE[:]
+self.fail_under = 0.0
+self.ignore_errors = False
+self.report_include = None
+self.report_omit = None
+self.partial_always_list = DEFAULT_PARTIAL_ALWAYS[:]
+self.partial_list = DEFAULT_PARTIAL[:]
+self.precision = 0
+self.show_missing = False
+self.skip_covered = False
+# Defaults for [html]
+self.extra_css = None
+self.html_dir = "htmlcov"
+self.html_title = "Coverage report"
+# Defaults for [xml]
+self.xml_output = "coverage.xml"
+self.xml_package_depth = 99
+# Defaults for [paths]
+self.paths = {}
+# Options for plugins
+self.plugin_options = {}
+MUST_BE_LIST = [
+"debug", "concurrency", "plugins",
+"report_omit", "report_include",
+"run_omit", "run_include",
+]
+def from_args(self, **kwargs):
+"""Read config values from `kwargs`."""
+for k, v in iitems(kwargs):
+if v is not None:
+if k in self.MUST_BE_LIST and isinstance(v, string_class):
+v = [v]
+setattr(self, k, v)
+@contract(filename=str)
+def from_file(self, filename, our_file):
+"""Read configuration from a .rc file.
+`filename` is a file name to read.
+`our_file` is True if this config file is specifically for coverage,
+False if we are examining another config file (tox.ini, setup.cfg)
+for possible settings.
+Returns True or False, whether the file could be read, and it had some
+coverage.py settings in it.
+"""
+self.attempted_config_files.append(filename)
+cp = HandyConfigParser(our_file)
+try:
+files_read = cp.read(filename)
+except configparser.Error as err:
+raise CoverageException("Couldn't read config file %s: %s" % (filename, err))
+if not files_read:
+return False
+self.config_files.extend(files_read)
+any_set = False
+try:
+for option_spec in self.CONFIG_FILE_OPTIONS:
+was_set = self._set_attr_from_config_option(cp, *option_spec)
+if was_set:
+any_set = True
+except ValueError as err:
+raise CoverageException("Couldn't read config file %s: %s" % (filename, err))
+# Check that there are no unrecognized options.
+all_options = collections.defaultdict(set)
+for option_spec in self.CONFIG_FILE_OPTIONS:
+section, option = option_spec[1].split(":")
+all_options[section].add(option)
+for section, options in iitems(all_options):
+real_section = cp.has_section(section)
+if real_section:
+for unknown in set(cp.options(section)) - options:
+raise CoverageException(
+"Unrecognized option '[%s] %s=' in config file %s" % (
+real_section, unknown, filename
+)
+)
+# [paths] is special
+if cp.has_section('paths'):
+for option in cp.options('paths'):
+self.paths[option] = cp.getlist('paths', option)
+any_set = True
+# plugins can have options
+for plugin in self.plugins:
+if cp.has_section(plugin):
+self.plugin_options[plugin] = cp.get_section(plugin)
+any_set = True
+# Was this file used as a config file? If it's specifically our file,
+# then it was used.  If we're piggybacking on someone else's file,
+# then it was only used if we found some settings in it.
+if our_file:
+return True
+else:
+return any_set
+CONFIG_FILE_OPTIONS = [
+# These are *args for _set_attr_from_config_option:
+#   (attr, where, type_="")
+#
+#   attr is the attribute to set on the CoverageConfig object.
+#   where is the section:name to read from the configuration file.
+#   type_ is the optional type to apply, by using .getTYPE to read the
+#       configuration value from the file.
+# [run]
+('branch', 'run:branch', 'boolean'),
+('concurrency', 'run:concurrency', 'list'),
+('cover_pylib', 'run:cover_pylib', 'boolean'),
+('data_file', 'run:data_file'),
+('debug', 'run:debug', 'list'),
+('disable_warnings', 'run:disable_warnings', 'list'),
+('note', 'run:note'),
+('parallel', 'run:parallel', 'boolean'),
+('plugins', 'run:plugins', 'list'),
+('run_include', 'run:include', 'list'),
+('run_omit', 'run:omit', 'list'),
+('source', 'run:source', 'list'),
+('timid', 'run:timid', 'boolean'),
+# [report]
+('exclude_list', 'report:exclude_lines', 'regexlist'),
+('fail_under', 'report:fail_under', 'float'),
+('ignore_errors', 'report:ignore_errors', 'boolean'),
+('partial_always_list', 'report:partial_branches_always', 'regexlist'),
+('partial_list', 'report:partial_branches', 'regexlist'),
+('precision', 'report:precision', 'int'),
+('report_include', 'report:include', 'list'),
+('report_omit', 'report:omit', 'list'),
+('show_missing', 'report:show_missing', 'boolean'),
+('skip_covered', 'report:skip_covered', 'boolean'),
+('sort', 'report:sort'),
+# [html]
+('extra_css', 'html:extra_css'),
+('html_dir', 'html:directory'),
+('html_title', 'html:title'),
+# [xml]
+('xml_output', 'xml:output'),
+('xml_package_depth', 'xml:package_depth', 'int'),
+]
+def _set_attr_from_config_option(self, cp, attr, where, type_=''):
+"""Set an attribute on self if it exists in the ConfigParser.
+Returns True if the attribute was set.
+"""
+section, option = where.split(":")
+if cp.has_option(section, option):
+method = getattr(cp, 'get' + type_)
+setattr(self, attr, method(section, option))
+return True
+return False
+def get_plugin_options(self, plugin):
+"""Get a dictionary of options for the plugin named `plugin`."""
+return self.plugin_options.get(plugin, {})
+def set_option(self, option_name, value):
+"""Set an option in the configuration.
+`option_name` is a colon-separated string indicating the section and
+option name.  For example, the ``branch`` option in the ``[run]``
+section of the config file would be indicated with `"run:branch"`.
+`value` is the new value for the option.
+"""
+# Check all the hard-coded options.
+for option_spec in self.CONFIG_FILE_OPTIONS:
+attr, where = option_spec[:2]
+if where == option_name:
+setattr(self, attr, value)
+return
+# See if it's a plugin option.
+plugin_name, _, key = option_name.partition(":")
+if key and plugin_name in self.plugins:
+self.plugin_options.setdefault(plugin_name, {})[key] = value
+return
+# If we get here, we didn't find the option.
+raise CoverageException("No such option: %r" % option_name)
+def get_option(self, option_name):
+"""Get an option from the configuration.
+`option_name` is a colon-separated string indicating the section and
+option name.  For example, the ``branch`` option in the ``[run]``
+section of the config file would be indicated with `"run:branch"`.
+Returns the value of the option.
+"""
+# Check all the hard-coded options.
+for option_spec in self.CONFIG_FILE_OPTIONS:
+attr, where = option_spec[:2]
+if where == option_name:
+return getattr(self, attr)
+# See if it's a plugin option.
+plugin_name, _, key = option_name.partition(":")
+if key and plugin_name in self.plugins:
+return self.plugin_options.get(plugin_name, {}).get(key)
+# If we get here, we didn't find the option.
+raise CoverageException("No such option: %r" % option_name)
+def read_coverage_config(config_file, **kwargs):
+"""Read the coverage.py configuration.
+Arguments:
+config_file: a boolean or string, see the `Coverage` class for the
+tricky details.
+all others: keyword arguments from the `Coverage` class, used for
+setting values in the configuration.
+Returns:
+config_file, config:
+config_file is the value to use for config_file in other
+invocations of coverage.
+config is a CoverageConfig object read from the appropriate
+configuration file.
+"""
+# Build the configuration from a number of sources:
+# 1) defaults:
+config = CoverageConfig()
+# 2) from a file:
+if config_file:
+# Some API users were specifying ".coveragerc" to mean the same as
+# True, so make it so.
+if config_file == ".coveragerc":
+config_file = True
+specified_file = (config_file is not True)
+if not specified_file:
+config_file = ".coveragerc"
+for fname, our_file in [(config_file, True),
+("setup.cfg", False),
+("tox.ini", False)]:
+config_read = config.from_file(fname, our_file=our_file)
+is_config_file = fname == config_file
+if not config_read and is_config_file and specified_file:
+raise CoverageException("Couldn't read '%s' as a config file" % fname)
+if config_read:
+break
+# 3) from environment variables:
+env_data_file = os.environ.get('COVERAGE_FILE')
+if env_data_file:
+config.data_file = env_data_file
+debugs = os.environ.get('COVERAGE_DEBUG')
+if debugs:
+config.debug.extend(d.strip() for d in debugs.split(","))
+# 4) from constructor arguments:
+config.from_args(**kwargs)
+# Once all the config has been collected, there's a little post-processing
+# to do.
+config.data_file = os.path.expanduser(config.data_file)
+config.html_dir = os.path.expanduser(config.html_dir)
+config.xml_output = os.path.expanduser(config.xml_output)
+return config_file, config

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comparison: eric6/DebugClients/Python/coverage/config.py

eric6/DebugClients/Python/coverage/config.py