--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/eric7/DebugClients/Python/coverage/tomlconfig.py Sat May 15 18:45:04 2021 +0200 @@ -0,0 +1,164 @@ +# Licensed under the Apache License: http://www.apache.org/licenses/LICENSE-2.0 +# For details: https://github.com/nedbat/coveragepy/blob/master/NOTICE.txt + +"""TOML configuration support for coverage.py""" + +import io +import os +import re + +from coverage import env +from coverage.backward import configparser, path_types +from coverage.misc import CoverageException, substitute_variables + + +class TomlDecodeError(Exception): + """An exception class that exists even when toml isn't installed.""" + pass + + +class TomlConfigParser: + """TOML file reading with the interface of HandyConfigParser.""" + + # This class has the same interface as config.HandyConfigParser, no + # need for docstrings. + # pylint: disable=missing-function-docstring + + def __init__(self, our_file): + self.our_file = our_file + self.data = None + + def read(self, filenames): + from coverage.optional import toml + + # RawConfigParser takes a filename or list of filenames, but we only + # ever call this with a single filename. + assert isinstance(filenames, path_types) + filename = filenames + if env.PYVERSION >= (3, 6): + filename = os.fspath(filename) + + try: + with io.open(filename, encoding='utf-8') as fp: + toml_text = fp.read() + except IOError: + return [] + if toml: + toml_text = substitute_variables(toml_text, os.environ) + try: + self.data = toml.loads(toml_text) + except toml.TomlDecodeError as err: + raise TomlDecodeError(*err.args) + return [filename] + else: + has_toml = re.search(r"^\[tool\.coverage\.", toml_text, flags=re.MULTILINE) + if self.our_file or has_toml: + # Looks like they meant to read TOML, but we can't read it. + msg = "Can't read {!r} without TOML support. Install with [toml] extra" + raise CoverageException(msg.format(filename)) + return [] + + def _get_section(self, section): + """Get a section from the data. + + Arguments: + section (str): A section name, which can be dotted. + + Returns: + name (str): the actual name of the section that was found, if any, + or None. + data (str): the dict of data in the section, or None if not found. + + """ + prefixes = ["tool.coverage."] + if self.our_file: + prefixes.append("") + for prefix in prefixes: + real_section = prefix + section + parts = real_section.split(".") + try: + data = self.data[parts[0]] + for part in parts[1:]: + data = data[part] + except KeyError: + continue + break + else: + return None, None + return real_section, data + + def _get(self, section, option): + """Like .get, but returns the real section name and the value.""" + name, data = self._get_section(section) + if data is None: + raise configparser.NoSectionError(section) + try: + return name, data[option] + except KeyError: + raise configparser.NoOptionError(option, name) + + def has_option(self, section, option): + _, data = self._get_section(section) + if data is None: + return False + return option in data + + def has_section(self, section): + name, _ = self._get_section(section) + return name + + def options(self, section): + _, data = self._get_section(section) + if data is None: + raise configparser.NoSectionError(section) + return list(data.keys()) + + def get_section(self, section): + _, data = self._get_section(section) + return data + + def get(self, section, option): + _, value = self._get(section, option) + return value + + def _check_type(self, section, option, value, type_, type_desc): + if not isinstance(value, type_): + raise ValueError( + 'Option {!r} in section {!r} is not {}: {!r}' + .format(option, section, type_desc, value) + ) + + def getboolean(self, section, option): + name, value = self._get(section, option) + self._check_type(name, option, value, bool, "a boolean") + return value + + def getlist(self, section, option): + name, values = self._get(section, option) + self._check_type(name, option, values, list, "a list") + return values + + def getregexlist(self, section, option): + name, values = self._get(section, option) + self._check_type(name, option, values, list, "a list") + for value in values: + value = value.strip() + try: + re.compile(value) + except re.error as e: + raise CoverageException( + "Invalid [%s].%s value %r: %s" % (name, option, value, e) + ) + return values + + def getint(self, section, option): + name, value = self._get(section, option) + self._check_type(name, option, value, int, "an integer") + return value + + def getfloat(self, section, option): + name, value = self._get(section, option) + if isinstance(value, int): + value = float(value) + self._check_type(name, option, value, float, "a float") + return value