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modelobject

ModelObject

Source code in src/robot/model/modelobject.py 
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class ModelObject(metaclass=SetterAwareType):
    repr_args = ()
    __slots__ = []

    @classmethod
    def from_dict(cls: Type[T], data: DataDict) -> T:
        """Create this object based on data in a dictionary.

        Data can be got from the :meth:`to_dict` method or created externally.

        With ``robot.running`` model objects new in Robot Framework 6.1,
        with ``robot.result`` new in Robot Framework 7.0.
        """
        try:
            return cls().config(**data)
        except (AttributeError, TypeError) as err:
            raise DataError(f"Creating '{full_name(cls)}' object from dictionary "
                            f"failed: {err}")

    @classmethod
    def from_json(cls: Type[T], source: 'str|bytes|TextIO|Path') -> T:
        """Create this object based on JSON data.

        The data is given as the ``source`` parameter. It can be:

        - a string (or bytes) containing the data directly,
        - an open file object where to read the data from, or
        - a path (``pathlib.Path`` or string) to a UTF-8 encoded file to read.

        The JSON data is first converted to a Python dictionary and the object
        created using the :meth:`from_dict` method.

        Notice that the ``source`` is considered to be JSON data if it is
        a string and contains ``{``. If you need to use ``{`` in a file system
        path, pass it in as a ``pathlib.Path`` instance.

        With ``robot.running`` model objects new in Robot Framework 6.1,
        with ``robot.result`` new in Robot Framework 7.0.
        """
        try:
            data = JsonLoader().load(source)
        except (TypeError, ValueError) as err:
            raise DataError(f'Loading JSON data failed: {err}')
        return cls.from_dict(data)

    def to_dict(self) -> DataDict:
        """Serialize this object into a dictionary.

        The object can be later restored by using the :meth:`from_dict` method.

        With ``robot.running`` model objects new in Robot Framework 6.1,
        with ``robot.result`` new in Robot Framework 7.0.
        """
        raise NotImplementedError

    @overload
    def to_json(self, file: None = None, *, ensure_ascii: bool = False,
                indent: int = 0, separators: 'tuple[str, str]' = (',', ':')) -> str:
        ...

    @overload
    def to_json(self, file: 'TextIO|Path|str', *, ensure_ascii: bool = False,
                indent: int = 0, separators: 'tuple[str, str]' = (',', ':')) -> None:
        ...

    def to_json(self, file: 'None|TextIO|Path|str' = None, *,
                ensure_ascii: bool = False, indent: int = 0,
                separators: 'tuple[str, str]' = (',', ':')) -> 'str|None':
        """Serialize this object into JSON.

        The object is first converted to a Python dictionary using the
        :meth:`to_dict` method and then the dictionary is converted to JSON.

        The ``file`` parameter controls what to do with the resulting JSON data.
        It can be:

        - ``None`` (default) to return the data as a string,
        - an open file object where to write the data to, or
        - a path (``pathlib.Path`` or string) to a file where to write
          the data using UTF-8 encoding.

        JSON formatting can be configured using optional parameters that
        are passed directly to the underlying json__ module. Notice that
        the defaults differ from what ``json`` uses.

        With ``robot.running`` model objects new in Robot Framework 6.1,
        with ``robot.result`` new in Robot Framework 7.0.

        __ https://docs.python.org/3/library/json.html
        """
        return JsonDumper(ensure_ascii=ensure_ascii, indent=indent,
                          separators=separators).dump(self.to_dict(), file)

    def config(self: T, **attributes) -> T:
        """Configure model object with given attributes.

        ``obj.config(name='Example', doc='Something')`` is equivalent to setting
        ``obj.name = 'Example'`` and ``obj.doc = 'Something'``.

        New in Robot Framework 4.0.
        """
        for name, value in attributes.items():
            try:
                orig = getattr(self, name)
            except AttributeError:
                raise AttributeError(f"'{full_name(self)}' object does not have "
                                     f"attribute '{name}'")
            # Preserve tuples. Main motivation is converting lists with `from_json`.
            if isinstance(orig, tuple) and not isinstance(value, tuple):
                try:
                    value = tuple(value)
                except TypeError:
                    raise TypeError(f"'{full_name(self)}' object attribute '{name}' "
                                    f"is 'tuple', got '{type_name(value)}'.")
            try:
                setattr(self, name, value)
            except AttributeError as err:
                # Ignore error setting attribute if the object already has it.
                # Avoids problems with `from_dict` with body items having
                # un-settable `type` attribute that is needed in dict data.
                if value != orig:
                    raise AttributeError(f"Setting attribute '{name}' failed: {err}")
        return self

    def copy(self: T, **attributes) -> T:
        """Return a shallow copy of this object.

        :param attributes: Attributes to be set to the returned copy.
            For example, ``obj.copy(name='New name')``.

        See also :meth:`deepcopy`. The difference between ``copy`` and
        ``deepcopy`` is the same as with the methods having same names in
        the copy__ module.

        __ https://docs.python.org/3/library/copy.html
        """
        return copy.copy(self).config(**attributes)

    def deepcopy(self: T, **attributes) -> T:
        """Return a deep copy of this object.

        :param attributes: Attributes to be set to the returned copy.
            For example, ``obj.deepcopy(name='New name')``.

        See also :meth:`copy`. The difference between ``deepcopy`` and
        ``copy`` is the same as with the methods having same names in
        the copy__ module.

        __ https://docs.python.org/3/library/copy.html
        """
        return copy.deepcopy(self).config(**attributes)

    def __repr__(self) -> str:
        args = []
        for name in self.repr_args:
            value = getattr(self, name)
            if self._include_in_repr(name, value):
                value = self._repr_format(name, value)
                args.append(f'{name}={value}')
        return f"{full_name(self)}({', '.join(args)})"

    def _include_in_repr(self, name: str, value: Any) -> bool:
        return True

    def _repr_format(self, name: str, value: Any) -> str:
        return repr(value)

config(**attributes)

Configure model object with given attributes.

obj.config(name='Example', doc='Something') is equivalent to setting obj.name = 'Example' and obj.doc = 'Something'.

New in Robot Framework 4.0.

Source code in src/robot/model/modelobject.py 
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def config(self: T, **attributes) -> T:
    """Configure model object with given attributes.

    ``obj.config(name='Example', doc='Something')`` is equivalent to setting
    ``obj.name = 'Example'`` and ``obj.doc = 'Something'``.

    New in Robot Framework 4.0.
    """
    for name, value in attributes.items():
        try:
            orig = getattr(self, name)
        except AttributeError:
            raise AttributeError(f"'{full_name(self)}' object does not have "
                                 f"attribute '{name}'")
        # Preserve tuples. Main motivation is converting lists with `from_json`.
        if isinstance(orig, tuple) and not isinstance(value, tuple):
            try:
                value = tuple(value)
            except TypeError:
                raise TypeError(f"'{full_name(self)}' object attribute '{name}' "
                                f"is 'tuple', got '{type_name(value)}'.")
        try:
            setattr(self, name, value)
        except AttributeError as err:
            # Ignore error setting attribute if the object already has it.
            # Avoids problems with `from_dict` with body items having
            # un-settable `type` attribute that is needed in dict data.
            if value != orig:
                raise AttributeError(f"Setting attribute '{name}' failed: {err}")
    return self

copy(**attributes)

Return a shallow copy of this object.

:param attributes: Attributes to be set to the returned copy. For example, obj.copy(name='New name').

See also :meth:deepcopy. The difference between copy and deepcopy is the same as with the methods having same names in the copy__ module.

__ https://docs.python.org/3/library/copy.html

Source code in src/robot/model/modelobject.py 
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def copy(self: T, **attributes) -> T:
    """Return a shallow copy of this object.

    :param attributes: Attributes to be set to the returned copy.
        For example, ``obj.copy(name='New name')``.

    See also :meth:`deepcopy`. The difference between ``copy`` and
    ``deepcopy`` is the same as with the methods having same names in
    the copy__ module.

    __ https://docs.python.org/3/library/copy.html
    """
    return copy.copy(self).config(**attributes)

deepcopy(**attributes)

Return a deep copy of this object.

:param attributes: Attributes to be set to the returned copy. For example, obj.deepcopy(name='New name').

See also :meth:copy. The difference between deepcopy and copy is the same as with the methods having same names in the copy__ module.

__ https://docs.python.org/3/library/copy.html

Source code in src/robot/model/modelobject.py 
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def deepcopy(self: T, **attributes) -> T:
    """Return a deep copy of this object.

    :param attributes: Attributes to be set to the returned copy.
        For example, ``obj.deepcopy(name='New name')``.

    See also :meth:`copy`. The difference between ``deepcopy`` and
    ``copy`` is the same as with the methods having same names in
    the copy__ module.

    __ https://docs.python.org/3/library/copy.html
    """
    return copy.deepcopy(self).config(**attributes)

from_dict(data) classmethod

Create this object based on data in a dictionary.

Data can be got from the :meth:to_dict method or created externally.

With robot.running model objects new in Robot Framework 6.1, with robot.result new in Robot Framework 7.0.

Source code in src/robot/model/modelobject.py 
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@classmethod
def from_dict(cls: Type[T], data: DataDict) -> T:
    """Create this object based on data in a dictionary.

    Data can be got from the :meth:`to_dict` method or created externally.

    With ``robot.running`` model objects new in Robot Framework 6.1,
    with ``robot.result`` new in Robot Framework 7.0.
    """
    try:
        return cls().config(**data)
    except (AttributeError, TypeError) as err:
        raise DataError(f"Creating '{full_name(cls)}' object from dictionary "
                        f"failed: {err}")

from_json(source) classmethod

Create this object based on JSON data.

The data is given as the source parameter. It can be:

  • a string (or bytes) containing the data directly,
  • an open file object where to read the data from, or
  • a path (pathlib.Path or string) to a UTF-8 encoded file to read.

The JSON data is first converted to a Python dictionary and the object created using the :meth:from_dict method.

Notice that the source is considered to be JSON data if it is a string and contains {. If you need to use { in a file system path, pass it in as a pathlib.Path instance.

With robot.running model objects new in Robot Framework 6.1, with robot.result new in Robot Framework 7.0.

Source code in src/robot/model/modelobject.py 
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@classmethod
def from_json(cls: Type[T], source: 'str|bytes|TextIO|Path') -> T:
    """Create this object based on JSON data.

    The data is given as the ``source`` parameter. It can be:

    - a string (or bytes) containing the data directly,
    - an open file object where to read the data from, or
    - a path (``pathlib.Path`` or string) to a UTF-8 encoded file to read.

    The JSON data is first converted to a Python dictionary and the object
    created using the :meth:`from_dict` method.

    Notice that the ``source`` is considered to be JSON data if it is
    a string and contains ``{``. If you need to use ``{`` in a file system
    path, pass it in as a ``pathlib.Path`` instance.

    With ``robot.running`` model objects new in Robot Framework 6.1,
    with ``robot.result`` new in Robot Framework 7.0.
    """
    try:
        data = JsonLoader().load(source)
    except (TypeError, ValueError) as err:
        raise DataError(f'Loading JSON data failed: {err}')
    return cls.from_dict(data)

to_dict()

Serialize this object into a dictionary.

The object can be later restored by using the :meth:from_dict method.

With robot.running model objects new in Robot Framework 6.1, with robot.result new in Robot Framework 7.0.

Source code in src/robot/model/modelobject.py 
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def to_dict(self) -> DataDict:
    """Serialize this object into a dictionary.

    The object can be later restored by using the :meth:`from_dict` method.

    With ``robot.running`` model objects new in Robot Framework 6.1,
    with ``robot.result`` new in Robot Framework 7.0.
    """
    raise NotImplementedError

to_json(file=None, *, ensure_ascii=False, indent=0, separators=(',', ':'))

Serialize this object into JSON.

The object is first converted to a Python dictionary using the :meth:to_dict method and then the dictionary is converted to JSON.

The file parameter controls what to do with the resulting JSON data. It can be:

  • None (default) to return the data as a string,
  • an open file object where to write the data to, or
  • a path (pathlib.Path or string) to a file where to write the data using UTF-8 encoding.

JSON formatting can be configured using optional parameters that are passed directly to the underlying json__ module. Notice that the defaults differ from what json uses.

With robot.running model objects new in Robot Framework 6.1, with robot.result new in Robot Framework 7.0.

__ https://docs.python.org/3/library/json.html

Source code in src/robot/model/modelobject.py 
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def to_json(self, file: 'None|TextIO|Path|str' = None, *,
            ensure_ascii: bool = False, indent: int = 0,
            separators: 'tuple[str, str]' = (',', ':')) -> 'str|None':
    """Serialize this object into JSON.

    The object is first converted to a Python dictionary using the
    :meth:`to_dict` method and then the dictionary is converted to JSON.

    The ``file`` parameter controls what to do with the resulting JSON data.
    It can be:

    - ``None`` (default) to return the data as a string,
    - an open file object where to write the data to, or
    - a path (``pathlib.Path`` or string) to a file where to write
      the data using UTF-8 encoding.

    JSON formatting can be configured using optional parameters that
    are passed directly to the underlying json__ module. Notice that
    the defaults differ from what ``json`` uses.

    With ``robot.running`` model objects new in Robot Framework 6.1,
    with ``robot.result`` new in Robot Framework 7.0.

    __ https://docs.python.org/3/library/json.html
    """
    return JsonDumper(ensure_ascii=ensure_ascii, indent=indent,
                      separators=separators).dump(self.to_dict(), file)