Python error_reporting.ErrorOutput类代码示例

 def process_txt(self, directory, name):
     if name.startswith("pep-"):
         publisher = "PEPs"
     else:
         publisher = ".txt"
     settings = self.get_settings(publisher, directory)
     errout = ErrorOutput(encoding=settings.error_encoding)
     pub_struct = self.publishers[publisher]
     settings._source = os.path.normpath(os.path.join(directory, name))
     settings._destination = settings._source[:-4] + ".html"
     if not self.initial_settings.silent:
         errout.write("    ::: Processing: %s\n" % name)
         sys.stderr.flush()
     try:
         if not settings.dry_run:
             core.publish_file(
                 source_path=settings._source,
                 destination_path=settings._destination,
                 reader_name=pub_struct.reader_name,
                 parser_name="restructuredtext",
                 writer_name=pub_struct.writer_name,
                 settings=settings,
             )
     except ApplicationError:
         error = sys.exc_info()[1]  # get exception in Python <2.6 and 3.x
         errout.write("        %s\n" % ErrorString(error))

 def test_ubuf(self):
     buf = UBuf() # buffer only accepting unicode string
     # decode of binary strings
     e = ErrorOutput(buf, encoding='ascii')
     e.write(b('b\xfc'))
     self.assertEqual(buf.getvalue(), 'b\ufffd') # use REPLACEMENT CHARACTER
     # write Unicode string and Exceptions with Unicode args
     e.write(' u\xfc')
     self.assertEqual(buf.getvalue(), 'b\ufffd u\xfc')
     e.write(AttributeError(' e\xfc'))
     self.assertEqual(buf.getvalue(), 'b\ufffd u\xfc e\xfc')
     # decode with `encoding` attribute
     e.encoding = 'latin1'
     e.write(b(' b\xfc'))
     self.assertEqual(buf.getvalue(), 'b\ufffd u\xfc e\xfc b\xfc')

    def __init__(self, *args, **kwargs):
        CP.RawConfigParser.__init__(self, *args, **kwargs)

        self._files = []
        """List of paths of configuration files read."""

        self._stderr = ErrorOutput()
        """Wrapper around sys.stderr catching en-/decoding errors"""

 def test_bbuf(self):
     buf = BBuf() # buffer storing byte string
     e = ErrorOutput(buf, encoding='ascii')
     # write byte-string as-is
     e.write(b('b\xfc'))
     self.assertEqual(buf.getvalue(), b('b\xfc'))
     # encode unicode data with backslashescape fallback replacement:
     e.write(' u\xfc')
     self.assertEqual(buf.getvalue(), b('b\xfc u\\xfc'))
     # handle Exceptions with Unicode string args
     # unicode(Exception(u'e\xfc')) # fails in Python < 2.6
     e.write(AttributeError(' e\xfc'))
     self.assertEqual(buf.getvalue(), b('b\xfc u\\xfc e\\xfc'))
     # encode with `encoding` attribute
     e.encoding = 'utf8'
     e.write(' u\xfc')
     self.assertEqual(buf.getvalue(), b('b\xfc u\\xfc e\\xfc u\xc3\xbc'))

    def __init__(
        self,
        reader=None,
        parser=None,
        writer=None,
        source=None,
        source_class=io.FileInput,
        destination=None,
        destination_class=io.FileOutput,
        settings=None,
    ):
        """
        Initial setup.  If any of `reader`, `parser`, or `writer` are not
        specified, the corresponding ``set_...`` method should be called with
        a component name (`set_reader` sets the parser as well).
        """

        self.document = None
        """The document tree (`docutils.nodes` objects)."""

        self.reader = reader
        """A `docutils.readers.Reader` instance."""

        self.parser = parser
        """A `docutils.parsers.Parser` instance."""

        self.writer = writer
        """A `docutils.writers.Writer` instance."""

        for component in "reader", "parser", "writer":
            assert not isinstance(getattr(self, component), str), (
                'passed string "%s" as "%s" parameter; pass an instance, '
                'or use the "%s_name" parameter instead (in '
                "docutils.core.publish_* convenience functions)." % (getattr(self, component), component, component)
            )

        self.source = source
        """The source of input data, a `docutils.io.Input` instance."""

        self.source_class = source_class
        """The class for dynamically created source objects."""

        self.destination = destination
        """The destination for docutils output, a `docutils.io.Output`
        instance."""

        self.destination_class = destination_class
        """The class for dynamically created destination objects."""

        self.settings = settings
        """An object containing Docutils settings as instance attributes.
        Set by `self.process_command_line()` or `self.get_settings()`."""

        self._stderr = ErrorOutput()

 def visit(self, directory, names, subdirectories):
     settings = self.get_settings("", directory)
     errout = ErrorOutput(encoding=settings.error_encoding)
     if settings.prune and (os.path.abspath(directory) in settings.prune):
         errout.write("/// ...Skipping directory (pruned): %s\n" % directory)
         sys.stderr.flush()
         del subdirectories[:]
         return
     if not self.initial_settings.silent:
         errout.write("/// Processing directory: %s" % directory)
         sys.stderr.flush()
     # settings.ignore grows many duplicate entries as we recurse
     # if we add patterns in config files or on the command line.
     for pattern in utils.uniq(settings.ignore):
         for i in range(len(names) - 1, -1, -1):
             if fnmatch(names[i], pattern):
                 # Modify in place!
                 del names[i]
     for name in names:
         if name.endswith(".txt"):
             self.process_txt(directory, name)

class ConfigParser(CP.RawConfigParser):

    old_settings = {
        'pep_stylesheet': ('pep_html writer', 'stylesheet'),
        'pep_stylesheet_path': ('pep_html writer', 'stylesheet_path'),
        'pep_template': ('pep_html writer', 'template')}
    """{old setting: (new section, new setting)} mapping, used by
    `handle_old_config`, to convert settings from the old [options] section."""

    old_warning = """
The "[option]" section is deprecated.  Support for old-format configuration
files may be removed in a future Docutils release.  Please revise your
configuration files.  See <http://docutils.sf.net/docs/user/config.html>,
section "Old-Format Configuration Files".
"""

    not_utf8_error = """\
Unable to read configuration file "%s": content not encoded as UTF-8.
Skipping "%s" configuration file.
"""

    def __init__(self, *args, **kwargs):
        CP.RawConfigParser.__init__(self, *args, **kwargs)

        self._files = []
        """List of paths of configuration files read."""

        self._stderr = ErrorOutput()
        """Wrapper around sys.stderr catching en-/decoding errors"""

    def read(self, filenames, option_parser):
        if type(filenames) in (str, unicode):
            filenames = [filenames]
        for filename in filenames:
            try:
                # Config files must be UTF-8-encoded:
                fp = codecs.open(filename, 'r', 'utf-8')
            except IOError:
                continue
            try:
                if sys.version_info < (3,2):
                    CP.RawConfigParser.readfp(self, fp, filename)
                else:
                    CP.RawConfigParser.read_file(self, fp, filename)
            except UnicodeDecodeError:
                self._stderr.write(self.not_utf8_error % (filename, filename))
                fp.close()
                continue
            fp.close()
            self._files.append(filename)
            if self.has_section('options'):
                self.handle_old_config(filename)
            self.validate_settings(filename, option_parser)

    def handle_old_config(self, filename):
        warnings.warn_explicit(self.old_warning, ConfigDeprecationWarning,
                               filename, 0)
        options = self.get_section('options')
        if not self.has_section('general'):
            self.add_section('general')
        for key, value in options.items():
            if key in self.old_settings:
                section, setting = self.old_settings[key]
                if not self.has_section(section):
                    self.add_section(section)
            else:
                section = 'general'
                setting = key
            if not self.has_option(section, setting):
                self.set(section, setting, value)
        self.remove_section('options')

    def validate_settings(self, filename, option_parser):
        """
        Call the validator function and implement overrides on all applicable
        settings.
        """
        for section in self.sections():
            for setting in self.options(section):
                try:
                    option = option_parser.get_option_by_dest(setting)
                except KeyError:
                    continue
                if option.validator:
                    value = self.get(section, setting)
                    try:
                        new_value = option.validator(
                            setting, value, option_parser,
                            config_parser=self, config_section=section)
                    except Exception, error:
                        raise (ValueError(
                            'Error in config file "%s", section "[%s]":\n'
                            '    %s\n'
                            '        %s = %s'
                            % (filename, section, ErrorString(error),
                               setting, value)), None, sys.exc_info()[2])
                    self.set(section, setting, new_value)
                if option.overrides:
                    self.set(section, option.overrides, None)

class Publisher:

    """
    A facade encapsulating the high-level logic of a Docutils system.
    """

    def __init__(self, reader=None, parser=None, writer=None,
                 source=None, source_class=io.FileInput,
                 destination=None, destination_class=io.FileOutput,
                 settings=None):
        """
        Initial setup.  If any of `reader`, `parser`, or `writer` are not
        specified, the corresponding ``set_...`` method should be called with
        a component name (`set_reader` sets the parser as well).
        """

        self.document = None
        """The document tree (`docutils.nodes` objects)."""

        self.reader = reader
        """A `docutils.readers.Reader` instance."""

        self.parser = parser
        """A `docutils.parsers.Parser` instance."""

        self.writer = writer
        """A `docutils.writers.Writer` instance."""

        for component in 'reader', 'parser', 'writer':
            assert not isinstance(getattr(self, component), str), (
                'passed string "%s" as "%s" parameter; pass an instance, '
                'or use the "%s_name" parameter instead (in '
                'docutils.core.publish_* convenience functions).'
                % (getattr(self, component), component, component))

        self.source = source
        """The source of input data, a `docutils.io.Input` instance."""

        self.source_class = source_class
        """The class for dynamically created source objects."""

        self.destination = destination
        """The destination for docutils output, a `docutils.io.Output`
        instance."""

        self.destination_class = destination_class
        """The class for dynamically created destination objects."""

        self.settings = settings
        """An object containing Docutils settings as instance attributes.
        Set by `self.process_command_line()` or `self.get_settings()`."""

        self._stderr = ErrorOutput()

    def set_reader(self, reader_name, parser, parser_name):
        """Set `self.reader` by name."""
        reader_class = readers.get_reader_class(reader_name)
        self.reader = reader_class(parser, parser_name)
        self.parser = self.reader.parser

    def set_writer(self, writer_name):
        """Set `self.writer` by name."""
        writer_class = writers.get_writer_class(writer_name)
        self.writer = writer_class()

    def set_components(self, reader_name, parser_name, writer_name):
        if self.reader is None:
            self.set_reader(reader_name, self.parser, parser_name)
        if self.parser is None:
            if self.reader.parser is None:
                self.reader.set_parser(parser_name)
            self.parser = self.reader.parser
        if self.writer is None:
            self.set_writer(writer_name)

    def setup_option_parser(self, usage=None, description=None,
                            settings_spec=None, config_section=None,
                            **defaults):
        if config_section:
            if not settings_spec:
                settings_spec = SettingsSpec()
            settings_spec.config_section = config_section
            parts = config_section.split()
            if len(parts) > 1 and parts[-1] == 'application':
                settings_spec.config_section_dependencies = ['applications']
        #@@@ Add self.source & self.destination to components in future?
        option_parser = OptionParser(
            components=(self.parser, self.reader, self.writer, settings_spec),
            defaults=defaults, read_config_files=True,
            usage=usage, description=description)
        return option_parser

    def get_settings(self, usage=None, description=None,
                     settings_spec=None, config_section=None, **defaults):
        """
        Set and return default settings (overrides in `defaults` dict).

        Set components first (`self.set_reader` & `self.set_writer`).
        Explicitly setting `self.settings` disables command line option
        processing from `self.publish()`.
#.........这里部分代码省略.........

class ConfigParser(CP.RawConfigParser):

    old_settings = {
        "pep_stylesheet": ("pep_html writer", "stylesheet"),
        "pep_stylesheet_path": ("pep_html writer", "stylesheet_path"),
        "pep_template": ("pep_html writer", "template"),
    }
    """{old setting: (new section, new setting)} mapping, used by
    `handle_old_config`, to convert settings from the old [options] section."""

    old_warning = """
The "[option]" section is deprecated.  Support for old-format configuration
files may be removed in a future Docutils release.  Please revise your
configuration files.  See <http://docutils.sf.net/docs/user/config.html>,
section "Old-Format Configuration Files".
"""

    not_utf8_error = """\
Unable to read configuration file "%s": content not encoded as UTF-8.
Skipping "%s" configuration file.
"""

    def __init__(self, *args, **kwargs):
        CP.RawConfigParser.__init__(self, *args, **kwargs)

        self._files = []
        """List of paths of configuration files read."""

        self._stderr = ErrorOutput()
        """Wrapper around sys.stderr catching en-/decoding errors"""

    def read(self, filenames, option_parser):
        if type(filenames) in (str, str):
            filenames = [filenames]
        for filename in filenames:
            try:
                # Config files must be UTF-8-encoded:
                fp = codecs.open(filename, "r", "utf-8")
            except IOError:
                continue
            try:
                if sys.version_info < (3, 2):
                    CP.RawConfigParser.readfp(self, fp, filename)
                else:
                    CP.RawConfigParser.read_file(self, fp, filename)
            except UnicodeDecodeError:
                self._stderr.write(self.not_utf8_error % (filename, filename))
                fp.close()
                continue
            fp.close()
            self._files.append(filename)
            if self.has_section("options"):
                self.handle_old_config(filename)
            self.validate_settings(filename, option_parser)

    def handle_old_config(self, filename):
        warnings.warn_explicit(self.old_warning, ConfigDeprecationWarning, filename, 0)
        options = self.get_section("options")
        if not self.has_section("general"):
            self.add_section("general")
        for key, value in list(options.items()):
            if key in self.old_settings:
                section, setting = self.old_settings[key]
                if not self.has_section(section):
                    self.add_section(section)
            else:
                section = "general"
                setting = key
            if not self.has_option(section, setting):
                self.set(section, setting, value)
        self.remove_section("options")

    def validate_settings(self, filename, option_parser):
        """
        Call the validator function and implement overrides on all applicable
        settings.
        """
        for section in self.sections():
            for setting in self.options(section):
                try:
                    option = option_parser.get_option_by_dest(setting)
                except KeyError:
                    continue
                if option.validator:
                    value = self.get(section, setting)
                    try:
                        new_value = option.validator(
                            setting, value, option_parser, config_parser=self, config_section=section
                        )
                    except Exception as error:
                        raise ValueError(
                            'Error in config file "%s", section "[%s]":\n'
                            "    %s\n"
                            "        %s = %s" % (filename, section, ErrorString(error), setting, value)
                        )
                    self.set(section, setting, new_value)
                if option.overrides:
                    self.set(section, option.overrides, None)

    def optionxform(self, optionstr):
#.........这里部分代码省略.........