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XMLRoot

Source code in dsp/dsp-tools/src/dsp_tools/xmllib/models/root.py 
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@dataclass
class XMLRoot:
    shortcode: str
    default_ontology: str
    resources: list[AnyResource] = field(default_factory=list)
    _res_id_to_type_lookup: dict[str, list[str]] = field(default_factory=dict)

    @staticmethod
    def create_new(shortcode: str, default_ontology: str) -> XMLRoot:
        """
        Create a new XML root, for one file.

        Args:
            shortcode: project shortcode
            default_ontology: name of the default ontology

        Returns:
            Instance of `XMLRoot`

        Examples:
            ```python
            root = xmllib.XMLRoot.create_new(
                shortcode="0000",
                default_ontology="onto"
            )
            ```
        """
        return XMLRoot(shortcode=shortcode, default_ontology=default_ontology)

    def add_resource(self, resource: AnyResource) -> XMLRoot:
        """
        Add one resource to the root.

        Args:
            resource: any one of:
                    `Resource`,
                    `RegionResource`,
                    `LinkResource`,
                    `VideoSegmentResource`,
                    `AudioSegmentResource`

        Returns:
            The original XMLRoot, with the added resource

        Warning:
            If the ID of the new resource is already used.

        Examples:
            ```python
            resource = xmllib.Resource.create_new(
                res_id="ID", restype=":ResourceType", label="label"
            )

            root = root.add_resource(resource)
            ```
        """
        if isinstance(resource, Resource):
            res_type = resource.restype
        else:
            res_type = resource.__class__.__name__
        if types_used := self._res_id_to_type_lookup.get(resource.res_id):
            existing_types = [f"'{x}'" for x in types_used]
            msg = (
                f"The ID for this resource of type '{res_type}' "
                f"is already used by resource(s) of the following type(s): {', '.join(existing_types)}."
            )
            info_msg = MessageInfo(
                message=msg,
                resource_id=resource.res_id,
                field="Resource ID",
            )
            emit_xmllib_input_warning(info_msg)
            self._res_id_to_type_lookup[resource.res_id].append(res_type)
        else:
            self._res_id_to_type_lookup[resource.res_id] = [res_type]
        self.resources.append(resource)
        return self

    def add_resource_multiple(self, resources: Collection[AnyResource]) -> XMLRoot:
        """
        Add a list of resources to the root.

        Args:
            resources: a list of:
                    `Resource`,
                    `RegionResource`,
                    `LinkResource`,
                    `VideoSegmentResource`,
                    `AudioSegmentResource`
                    The types of the resources may be mixed.

        Returns:
            The original XMLRoot, with the added resource

        Warning:
            If the ID of the new resource is already used.

        Examples:
            ```python
            resource_1 = xmllib.Resource.create_new(
                res_id="ID_1", restype=":ResourceType", label="label 1"
            )
            resource_2 = xmllib.Resource.create_new(
                res_id="ID_2", restype=":ResourceType", label="label 2"
            )

            root = root.add_resource_multiple([resource_1, resource_2])
            ```
        """
        for res in resources:
            self.add_resource(res)
        return self

    def add_resource_optional(self, resource: AnyResource | None) -> XMLRoot:
        """
        If the resource is not None, add it to the XMLRoot, otherwise return the XMLRoot unchanged.

        Args:
            resource: any one of:
                    `Resource`,
                    `RegionResource`,
                    `LinkResource`,
                    `VideoSegmentResource`,
                    `AudioSegmentResource`

        Returns:
            The original XMLRoot, with the added value if it was not empty. Else the unchanged original XMLRoot.

        Warning:
            If the ID of the new resource is already used.

        Examples:
            ```python
            resource = xmllib.Resource.create_new(
                res_id="ID", restype=":ResourceType", label="label"
            )

            root = root.add_resource_optional(resource)
            ```

            ```python
            root = root.add_resource_optional(None)
            ```
        """
        if resource:
            self.add_resource(resource)
        return self

    def write_file(self, filepath: str | Path, default_permissions: Permissions | None = None) -> None:
        """
        Write the finished XML to a file.

        Args:
            filepath: where to save the file
            default_permissions: This parameter is deprecated and has no effect.
                Default permissions can be set in the JSON project file.

        Warning:
            if the XML is not valid according to the schema

        Examples:
            ```python
            root.write_file("xml_file_name.xml")
            ```
        """

        if default_permissions:
            msg = (
                "You added a default permission. This has no effect. This functionality is deprecated, "
                "because project wide default permissions are set in the JSON project file. "
                "This parameter will be removed soon."
            )
            warnings.warn(DspToolsFutureWarning(msg))

        root = self.serialise()

        # The logging is only configured when using the CLI entry point.
        # If this is not disabled, then the statements will also be printed out on the terminal.
        logger.disable("dsp_tools")
        validate_root_emit_user_message(root, Path(filepath).parent)

        etree.indent(root, space="    ")
        xml_string = etree.tostring(
            root,
            encoding="unicode",
            pretty_print=True,
            doctype='<?xml version="1.0" encoding="UTF-8"?>',
        )
        with open(filepath, "w", encoding="utf-8") as f:
            f.write(xml_string)
            print(f"The XML file was successfully saved to {filepath}.")
        if file_path := os.getenv("XMLLIB_WARNINGS_CSV_SAVEPATH"):
            df = pd.read_csv(file_path)
            if len(df) > 0:
                msg = f"{len(df)} warnings occurred, please consult '{file_path}' for details."
                print(BOLD_RED, msg, RESET_TO_DEFAULT)
            else:
                msg = "No warnings occurred during the runtime."
                print(BOLD_GREEN, msg, RESET_TO_DEFAULT)

    def serialise(self) -> etree._Element:
        """
        Create an `lxml.etree._Element` with the information in the root.
        If you wish to create a file, we recommend using the `write_file` method instead.

        Returns:
            The `XMLRoot` serialised as XML
        """
        root = self._make_root()
        root.extend(self._get_permissions())
        author_lookup = _make_authorship_lookup(self.resources)
        authorship = _serialise_authorship(author_lookup.lookup)
        root.extend(authorship)
        serialised_resources = serialise_resources(self.resources, author_lookup)
        root.extend(serialised_resources)
        return root

    def _get_permissions(self) -> list[etree._Element]:
        contains_old_permissions, contains_new_permissions = self._find_permission_types()
        if contains_old_permissions:
            msg = (
                "Your data contains old permissions. Please migrate to the new ones:\n"
                " - Permissions.OPEN            -> use Permissions.PUBLIC instead\n"
                " - Permissions.RESTRICTED      -> use Permissions.PRIVATE instead\n"
                " - Permissions.RESTRICTED_VIEW -> use Permissions.LIMITED_VIEW instead\n"
            )
            warnings.warn(msg, category=DspToolsFutureWarning)
        return XMLPermissions().serialise(contains_old_permissions, contains_new_permissions)

    def _find_permission_types(self) -> tuple[bool, bool]:
        contains_old_permissions = False
        contains_new_permissions = False
        for res in self.resources:
            if self._is_old(res.permissions):
                contains_old_permissions = True
            elif self._is_new(res.permissions):
                contains_new_permissions = True
            for val in res.values:
                if self._is_old(val.permissions):
                    contains_old_permissions = True
                elif self._is_new(res.permissions):
                    contains_new_permissions = True
            if contains_old_permissions and contains_new_permissions:
                # no need to continue, the end result won't change any more
                return True, True
        return contains_old_permissions, contains_new_permissions

    def _is_old(self, perm: Permissions) -> bool:
        return perm in [Permissions.OPEN, Permissions.RESTRICTED_VIEW, Permissions.RESTRICTED]

    def _is_new(self, perm: Permissions) -> bool:
        return perm in [Permissions.PUBLIC, Permissions.LIMITED_VIEW, Permissions.PRIVATE]

    def _make_root(self) -> etree._Element:
        schema_url = (
            "https://raw.githubusercontent.com/dasch-swiss/dsp-tools/main/src/dsp_tools/resources/schema/data.xsd"
        )
        schema_location_key = str(etree.QName("http://www.w3.org/2001/XMLSchema-instance", "schemaLocation"))
        schema_location_value = f"https://dasch.swiss/schema {schema_url}"
        return etree.Element(
            f"{DASCH_SCHEMA}knora",
            attrib={
                schema_location_key: schema_location_value,
                "shortcode": self.shortcode,
                "default-ontology": self.default_ontology,
            },
            nsmap=XML_NAMESPACE_MAP,
        )

create_new

Create a new XML root, for one file.

Parameters:

Name Type Description Default
shortcode str

project shortcode

 required
default_ontology str

name of the default ontology

 required

Returns:

Type Description
XMLRoot

Instance of XMLRoot

Examples:

root = xmllib.XMLRoot.create_new(
    shortcode="0000",
    default_ontology="onto"
)
Source code in dsp/dsp-tools/src/dsp_tools/xmllib/models/root.py 
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@staticmethod
def create_new(shortcode: str, default_ontology: str) -> XMLRoot:
    """
    Create a new XML root, for one file.

    Args:
        shortcode: project shortcode
        default_ontology: name of the default ontology

    Returns:
        Instance of `XMLRoot`

    Examples:
        ```python
        root = xmllib.XMLRoot.create_new(
            shortcode="0000",
            default_ontology="onto"
        )
        ```
    """
    return XMLRoot(shortcode=shortcode, default_ontology=default_ontology)

add_resource

Add one resource to the root.

Parameters:

Name Type Description Default
resource AnyResource

any one of: Resource, RegionResource, LinkResource, VideoSegmentResource, AudioSegmentResource

 required

Returns:

Type Description
XMLRoot

The original XMLRoot, with the added resource
Warning

If the ID of the new resource is already used.

Examples:

resource = xmllib.Resource.create_new(
    res_id="ID", restype=":ResourceType", label="label"
)

root = root.add_resource(resource)
Source code in dsp/dsp-tools/src/dsp_tools/xmllib/models/root.py 
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def add_resource(self, resource: AnyResource) -> XMLRoot:
    """
    Add one resource to the root.

    Args:
        resource: any one of:
                `Resource`,
                `RegionResource`,
                `LinkResource`,
                `VideoSegmentResource`,
                `AudioSegmentResource`

    Returns:
        The original XMLRoot, with the added resource

    Warning:
        If the ID of the new resource is already used.

    Examples:
        ```python
        resource = xmllib.Resource.create_new(
            res_id="ID", restype=":ResourceType", label="label"
        )

        root = root.add_resource(resource)
        ```
    """
    if isinstance(resource, Resource):
        res_type = resource.restype
    else:
        res_type = resource.__class__.__name__
    if types_used := self._res_id_to_type_lookup.get(resource.res_id):
        existing_types = [f"'{x}'" for x in types_used]
        msg = (
            f"The ID for this resource of type '{res_type}' "
            f"is already used by resource(s) of the following type(s): {', '.join(existing_types)}."
        )
        info_msg = MessageInfo(
            message=msg,
            resource_id=resource.res_id,
            field="Resource ID",
        )
        emit_xmllib_input_warning(info_msg)
        self._res_id_to_type_lookup[resource.res_id].append(res_type)
    else:
        self._res_id_to_type_lookup[resource.res_id] = [res_type]
    self.resources.append(resource)
    return self

add_resource_multiple

Add a list of resources to the root.

Parameters:

Name Type Description Default
resources Collection[AnyResource]

a list of: Resource, RegionResource, LinkResource, VideoSegmentResource, AudioSegmentResource The types of the resources may be mixed.

 required

Returns:

Type Description
XMLRoot

The original XMLRoot, with the added resource
Warning

If the ID of the new resource is already used.

Examples:

resource_1 = xmllib.Resource.create_new(
    res_id="ID_1", restype=":ResourceType", label="label 1"
)
resource_2 = xmllib.Resource.create_new(
    res_id="ID_2", restype=":ResourceType", label="label 2"
)

root = root.add_resource_multiple([resource_1, resource_2])
Source code in dsp/dsp-tools/src/dsp_tools/xmllib/models/root.py 
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def add_resource_multiple(self, resources: Collection[AnyResource]) -> XMLRoot:
    """
    Add a list of resources to the root.

    Args:
        resources: a list of:
                `Resource`,
                `RegionResource`,
                `LinkResource`,
                `VideoSegmentResource`,
                `AudioSegmentResource`
                The types of the resources may be mixed.

    Returns:
        The original XMLRoot, with the added resource

    Warning:
        If the ID of the new resource is already used.

    Examples:
        ```python
        resource_1 = xmllib.Resource.create_new(
            res_id="ID_1", restype=":ResourceType", label="label 1"
        )
        resource_2 = xmllib.Resource.create_new(
            res_id="ID_2", restype=":ResourceType", label="label 2"
        )

        root = root.add_resource_multiple([resource_1, resource_2])
        ```
    """
    for res in resources:
        self.add_resource(res)
    return self

add_resource_optional

If the resource is not None, add it to the XMLRoot, otherwise return the XMLRoot unchanged.

Parameters:

Name Type Description Default
resource AnyResource | None

any one of: Resource, RegionResource, LinkResource, VideoSegmentResource, AudioSegmentResource

 required

Returns:

Type Description
XMLRoot

The original XMLRoot, with the added value if it was not empty. Else the unchanged original XMLRoot.
Warning

If the ID of the new resource is already used.

Examples:

resource = xmllib.Resource.create_new(
    res_id="ID", restype=":ResourceType", label="label"
)

root = root.add_resource_optional(resource)

root = root.add_resource_optional(None)
Source code in dsp/dsp-tools/src/dsp_tools/xmllib/models/root.py 
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def add_resource_optional(self, resource: AnyResource | None) -> XMLRoot:
    """
    If the resource is not None, add it to the XMLRoot, otherwise return the XMLRoot unchanged.

    Args:
        resource: any one of:
                `Resource`,
                `RegionResource`,
                `LinkResource`,
                `VideoSegmentResource`,
                `AudioSegmentResource`

    Returns:
        The original XMLRoot, with the added value if it was not empty. Else the unchanged original XMLRoot.

    Warning:
        If the ID of the new resource is already used.

    Examples:
        ```python
        resource = xmllib.Resource.create_new(
            res_id="ID", restype=":ResourceType", label="label"
        )

        root = root.add_resource_optional(resource)
        ```

        ```python
        root = root.add_resource_optional(None)
        ```
    """
    if resource:
        self.add_resource(resource)
    return self

write_file

Write the finished XML to a file.

Parameters:

Name Type Description Default
filepath str | Path

where to save the file

 required
default_permissions Permissions | None

This parameter is deprecated and has no effect. Default permissions can be set in the JSON project file.

 None
Warning

if the XML is not valid according to the schema

Examples:

root.write_file("xml_file_name.xml")
Source code in dsp/dsp-tools/src/dsp_tools/xmllib/models/root.py 
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def write_file(self, filepath: str | Path, default_permissions: Permissions | None = None) -> None:
    """
    Write the finished XML to a file.

    Args:
        filepath: where to save the file
        default_permissions: This parameter is deprecated and has no effect.
            Default permissions can be set in the JSON project file.

    Warning:
        if the XML is not valid according to the schema

    Examples:
        ```python
        root.write_file("xml_file_name.xml")
        ```
    """

    if default_permissions:
        msg = (
            "You added a default permission. This has no effect. This functionality is deprecated, "
            "because project wide default permissions are set in the JSON project file. "
            "This parameter will be removed soon."
        )
        warnings.warn(DspToolsFutureWarning(msg))

    root = self.serialise()

    # The logging is only configured when using the CLI entry point.
    # If this is not disabled, then the statements will also be printed out on the terminal.
    logger.disable("dsp_tools")
    validate_root_emit_user_message(root, Path(filepath).parent)

    etree.indent(root, space="    ")
    xml_string = etree.tostring(
        root,
        encoding="unicode",
        pretty_print=True,
        doctype='<?xml version="1.0" encoding="UTF-8"?>',
    )
    with open(filepath, "w", encoding="utf-8") as f:
        f.write(xml_string)
        print(f"The XML file was successfully saved to {filepath}.")
    if file_path := os.getenv("XMLLIB_WARNINGS_CSV_SAVEPATH"):
        df = pd.read_csv(file_path)
        if len(df) > 0:
            msg = f"{len(df)} warnings occurred, please consult '{file_path}' for details."
            print(BOLD_RED, msg, RESET_TO_DEFAULT)
        else:
            msg = "No warnings occurred during the runtime."
            print(BOLD_GREEN, msg, RESET_TO_DEFAULT)

serialise

Create an lxml.etree._Element with the information in the root. If you wish to create a file, we recommend using the write_file method instead.

Returns:

Type Description
_Element

The XMLRoot serialised as XML
Source code in dsp/dsp-tools/src/dsp_tools/xmllib/models/root.py 
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def serialise(self) -> etree._Element:
    """
    Create an `lxml.etree._Element` with the information in the root.
    If you wish to create a file, we recommend using the `write_file` method instead.

    Returns:
        The `XMLRoot` serialised as XML
    """
    root = self._make_root()
    root.extend(self._get_permissions())
    author_lookup = _make_authorship_lookup(self.resources)
    authorship = _serialise_authorship(author_lookup.lookup)
    root.extend(authorship)
    serialised_resources = serialise_resources(self.resources, author_lookup)
    root.extend(serialised_resources)
    return root