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Interface

dispatcher

RedisQueue

Source code in src/qgis_server_light/interface/dispatcher.py 
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class RedisQueue:
    def __init__(self, url: str) -> None:
        self.pool = redis.BlockingConnectionPool.from_url(url)

    async def post(
            self,
            job: QslGetMapJob | QslGetFeatureInfoJob | QslLegendJob,
            timeout: float = 10
    ) -> JobResult:
        """
        Posts a new `job` to the job queue and waits maximum `timeout` seconds to complete.
        Will return a JobResult if successful or raise an error.
        """
        r = await redis.Redis(connection_pool=self.pool)
        job_id = str(uuid4())
        creation_time = datetime.datetime.now().isoformat()
        datetime.datetime.now()
        if isinstance(job, QslGetMapJob):
            job = JobRunnerInfoQslGetMapJob(
                id=job_id,
                type=JobRunnerInfoQslGetMapJob.__name__,
                job=job
            )
        elif isinstance(job, QslGetFeatureInfoJob):
            job = JobRunnerInfoQslGetFeatureInfoJob(
                id=job_id,
                type=JobRunnerInfoQslGetFeatureInfoJob.__name__,
                job=job
            )
        elif isinstance(job, QslLegendJob):
            job = JobRunnerInfoQslLegendJob(
                id=job_id,
                type=JobRunnerInfoQslLegendJob.__name__,
                job=job
            )
        async with r.pipeline() as p:
            logging.info(f"{job_id} pushed")
            p.rpush("jobs", JsonSerializer().render(job))
            p.hset(job_id, "status", "queued")
            p.hset(job_id, "timestamp", creation_time)
            await p.execute()

            async with r.pubsub() as ps:
                await ps.subscribe(f"notifications:{job_id}")
                try:
                    async with async_timeout.timeout(timeout):
                        while True:
                            message = await ps.get_message(
                                timeout=timeout, ignore_subscribe_messages=True
                            )
                            if not message:
                                continue  # https://github.com/redis/redis-py/issues/733
                            # TODO: handle errors
                            logging.info(f"{job_id} succeeded")
                            result = pickle.loads(message["data"])
                            await asyncio.create_task(r.delete(job_id))
                            return result
                except (asyncio.TimeoutError, asyncio.exceptions.CancelledError) as err:
                    logging.info(f"{job_id} timeout")
                    await r.delete(job_id)
                    raise

pool = redis.BlockingConnectionPool.from_url(url) instance-attribute

__init__(url)

Source code in src/qgis_server_light/interface/dispatcher.py 
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def __init__(self, url: str) -> None:
    self.pool = redis.BlockingConnectionPool.from_url(url)

post(job, timeout=10) async

Posts a new job to the job queue and waits maximum timeout seconds to complete. Will return a JobResult if successful or raise an error.

Source code in src/qgis_server_light/interface/dispatcher.py 
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async def post(
        self,
        job: QslGetMapJob | QslGetFeatureInfoJob | QslLegendJob,
        timeout: float = 10
) -> JobResult:
    """
    Posts a new `job` to the job queue and waits maximum `timeout` seconds to complete.
    Will return a JobResult if successful or raise an error.
    """
    r = await redis.Redis(connection_pool=self.pool)
    job_id = str(uuid4())
    creation_time = datetime.datetime.now().isoformat()
    datetime.datetime.now()
    if isinstance(job, QslGetMapJob):
        job = JobRunnerInfoQslGetMapJob(
            id=job_id,
            type=JobRunnerInfoQslGetMapJob.__name__,
            job=job
        )
    elif isinstance(job, QslGetFeatureInfoJob):
        job = JobRunnerInfoQslGetFeatureInfoJob(
            id=job_id,
            type=JobRunnerInfoQslGetFeatureInfoJob.__name__,
            job=job
        )
    elif isinstance(job, QslLegendJob):
        job = JobRunnerInfoQslLegendJob(
            id=job_id,
            type=JobRunnerInfoQslLegendJob.__name__,
            job=job
        )
    async with r.pipeline() as p:
        logging.info(f"{job_id} pushed")
        p.rpush("jobs", JsonSerializer().render(job))
        p.hset(job_id, "status", "queued")
        p.hset(job_id, "timestamp", creation_time)
        await p.execute()

        async with r.pubsub() as ps:
            await ps.subscribe(f"notifications:{job_id}")
            try:
                async with async_timeout.timeout(timeout):
                    while True:
                        message = await ps.get_message(
                            timeout=timeout, ignore_subscribe_messages=True
                        )
                        if not message:
                            continue  # https://github.com/redis/redis-py/issues/733
                        # TODO: handle errors
                        logging.info(f"{job_id} succeeded")
                        result = pickle.loads(message["data"])
                        await asyncio.create_task(r.delete(job_id))
                        return result
            except (asyncio.TimeoutError, asyncio.exceptions.CancelledError) as err:
                logging.info(f"{job_id} timeout")
                await r.delete(job_id)
                raise

job

log = logging.getLogger(__name__) module-attribute

AbstractJobRunnerInfo dataclass

Source code in src/qgis_server_light/interface/job.py 
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@dataclass
class AbstractJobRunnerInfo:
    id: str = field(metadata={"type": "Element", "required": True})
    type: str = field(metadata={"type": "Element", "required": True})

id: str = field(metadata={'type': 'Element', 'required': True}) class-attribute instance-attribute

type: str = field(metadata={'type': 'Element', 'required': True}) class-attribute instance-attribute

__init__(id, type)

AbstractWmsParams dataclass

Source code in src/qgis_server_light/interface/job.py 
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@dataclass
class AbstractWmsParams:
    BBOX: str = field(metadata={"type": "Element", "required": True})
    CRS: str = field(metadata={"type": "Element", "required": True})
    WIDTH: str = field(metadata={"type": "Element", "required": True})
    HEIGHT: str = field(metadata={"type": "Element", "required": True})
    # optional parameters
    DPI: str = field(default=None, metadata={"type": "Element", "required": False})
    FORMAT_OPTIONS: str = field(
        default=None, metadata={"type": "Element", "required": False}
    )
    STYLES: str = field(
        default_factory=list, metadata={"type": "Element", "required": False}
    )

    @property
    def dpi(self) -> int | None:
        if self.DPI is not None:
            return int(self.DPI)
        elif self.FORMAT_OPTIONS is not None:
            return int(self.FORMAT_OPTIONS.split(":")[-1])
        else:
            return None

    @property
    def bbox(self) -> List[str]:
        return self.BBOX.split(",")

    @classmethod
    def from_overloaded_dict(cls, params: dict):
        return cls(
            **{
                k: v
                for k, v in params.items()
                if k in inspect.signature(cls).parameters
            }
        )

BBOX: str = field(metadata={'type': 'Element', 'required': True}) class-attribute instance-attribute

CRS: str = field(metadata={'type': 'Element', 'required': True}) class-attribute instance-attribute

DPI: str = field(default=None, metadata={'type': 'Element', 'required': False}) class-attribute instance-attribute

FORMAT_OPTIONS: str = field(default=None, metadata={'type': 'Element', 'required': False}) class-attribute instance-attribute

HEIGHT: str = field(metadata={'type': 'Element', 'required': True}) class-attribute instance-attribute

STYLES: str = field(default_factory=list, metadata={'type': 'Element', 'required': False}) class-attribute instance-attribute

WIDTH: str = field(metadata={'type': 'Element', 'required': True}) class-attribute instance-attribute

bbox: List[str] property

dpi: int | None property

__init__(BBOX, CRS, WIDTH, HEIGHT, DPI=None, FORMAT_OPTIONS=None, STYLES=list())

from_overloaded_dict(params) classmethod

Source code in src/qgis_server_light/interface/job.py 
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@classmethod
def from_overloaded_dict(cls, params: dict):
    return cls(
        **{
            k: v
            for k, v in params.items()
            if k in inspect.signature(cls).parameters
        }
    )

JobResult dataclass

Source code in src/qgis_server_light/interface/job.py 
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@dataclass
class JobResult:
    data: Any = field(metadata={"type": "Element", "required": True})
    content_type: str = field(metadata={"type": "Element", "required": True})

content_type: str = field(metadata={'type': 'Element', 'required': True}) class-attribute instance-attribute

data: Any = field(metadata={'type': 'Element', 'required': True}) class-attribute instance-attribute

__init__(data, content_type)

JobRunnerInfoQslGetFeatureInfoJob dataclass

Bases: AbstractJobRunnerInfo

Source code in src/qgis_server_light/interface/job.py 
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@dataclass
class JobRunnerInfoQslGetFeatureInfoJob(AbstractJobRunnerInfo):
    job: QslGetFeatureInfoJob = field(metadata={"type": "Element", "required": True})

job: QslGetFeatureInfoJob = field(metadata={'type': 'Element', 'required': True}) class-attribute instance-attribute

__init__(id, type, job)

JobRunnerInfoQslGetMapJob dataclass

Bases: AbstractJobRunnerInfo

Source code in src/qgis_server_light/interface/job.py 
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@dataclass
class JobRunnerInfoQslGetMapJob(AbstractJobRunnerInfo):
    job: QslGetMapJob = field(metadata={"type": "Element", "required": True})

job: QslGetMapJob = field(metadata={'type': 'Element', 'required': True}) class-attribute instance-attribute

__init__(id, type, job)

JobRunnerInfoQslLegendJob dataclass

Bases: AbstractJobRunnerInfo

Source code in src/qgis_server_light/interface/job.py 
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@dataclass
class JobRunnerInfoQslLegendJob(AbstractJobRunnerInfo):
    job: QslLegendJob = field(metadata={"type": "Element", "required": True})

job: QslLegendJob = field(metadata={'type': 'Element', 'required': True}) class-attribute instance-attribute

__init__(id, type, job)

QslAbstractJob dataclass

Source code in src/qgis_server_light/interface/job.py 
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@dataclass
class QslAbstractJob:
    svg_paths: List[str] = field(
        default_factory=list, metadata={"type": "Element", "required": True}
    )

svg_paths: List[str] = field(default_factory=list, metadata={'type': 'Element', 'required': True}) class-attribute instance-attribute

__init__(svg_paths=list())

QslGetFeatureInfoJob dataclass

Bases: QslAbstractJob

A job to extract feature info

Source code in src/qgis_server_light/interface/job.py 
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@dataclass(kw_only=True)
class QslGetFeatureInfoJob(QslAbstractJob):
    """A job to extract feature info"""

    service_params: WmsGetFeatureInfoParams = field(
        metadata={"type": "Element", "required": True}
    )

service_params: WmsGetFeatureInfoParams = field(metadata={'type': 'Element', 'required': True}) class-attribute instance-attribute

__init__(svg_paths=list(), *, service_params)

QslGetMapJob dataclass

Bases: QslAbstractJob

A job to be rendered as an image

Source code in src/qgis_server_light/interface/job.py 
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@dataclass(kw_only=True)
class QslGetMapJob(QslAbstractJob):
    """A job to be rendered as an image"""

    service_params: WmsGetMapParams = field(
        metadata={"type": "Element", "required": True}
    )

    raster_layers: List[Raster] = field(metadata={"type": "Element", "required": True})

    vector_layers: List[Vector] = field(metadata={"type": "Element", "required": True})

    custom_layers: List[Custom] = field(metadata={"type": "Element", "required": True})

    extent_buffer: Optional[float] = field(
        default=0.0, metadata={"type": "Element", "required": False}
    )

    def get_layer_by_name(self, name: str) -> Raster | Vector | Custom:
        for layer in self.raster_layers + self.vector_layers + self.custom_layers:
            if layer.name == name:
                return layer
        raise AttributeError(f'No layer with name "{name} was found."')

custom_layers: List[Custom] = field(metadata={'type': 'Element', 'required': True}) class-attribute instance-attribute

extent_buffer: Optional[float] = field(default=0.0, metadata={'type': 'Element', 'required': False}) class-attribute instance-attribute

raster_layers: List[Raster] = field(metadata={'type': 'Element', 'required': True}) class-attribute instance-attribute

service_params: WmsGetMapParams = field(metadata={'type': 'Element', 'required': True}) class-attribute instance-attribute

vector_layers: List[Vector] = field(metadata={'type': 'Element', 'required': True}) class-attribute instance-attribute

__init__(svg_paths=list(), *, service_params, raster_layers, vector_layers, custom_layers, extent_buffer=0.0)

get_layer_by_name(name)

Source code in src/qgis_server_light/interface/job.py 
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def get_layer_by_name(self, name: str) -> Raster | Vector | Custom:
    for layer in self.raster_layers + self.vector_layers + self.custom_layers:
        if layer.name == name:
            return layer
    raise AttributeError(f'No layer with name "{name} was found."')

QslLegendJob dataclass

Bases: QslAbstractJob

Render legend

Source code in src/qgis_server_light/interface/job.py 
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@dataclass(kw_only=True)
class QslLegendJob(QslAbstractJob):
    """Render legend"""

__init__(svg_paths=list())

WmsGetFeatureInfoParams dataclass

Bases: AbstractWmsParams

Source code in src/qgis_server_light/interface/job.py 
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class WmsGetFeatureInfoParams(AbstractWmsParams):
    X: str = field(default=None, metadata={"type": "Element", "required": True})
    Y: str = field(default=None, metadata={"type": "Element", "required": True})
    I: str = field(default=None, metadata={"type": "Element", "required": True})
    J: str = field(default=None, metadata={"type": "Element", "required": True})
    INFO_FORMAT: str = field(metadata={"type": "Element", "required": True})

    # mime type, only application/json supported
    QUERY_LAYERS: str = field(metadata={"type": "Element", "required": True})

    def __post_init__(self):
        x = int(self.I or self.X)
        y = int(self.J or self.Y)
        if x is None or y is None:
            raise KeyError(
                "Parameter `I` or `X` and `J` or `Y`  are mandatory for GetFeatureInfo"
            )
        if self.QUERY_LAYERS is None:
            raise KeyError("QUERY_LAYERS is mandatory in this request")

    @property
    def x(self) -> int:
        return int(self.I or self.X)

    @property
    def y(self) -> int:
        return int(self.J or self.Y)

    @property
    def query_layers(self):
        return self.QUERY_LAYERS.split(",")

I: str = field(default=None, metadata={'type': 'Element', 'required': True}) class-attribute instance-attribute

INFO_FORMAT: str = field(metadata={'type': 'Element', 'required': True}) class-attribute instance-attribute

J: str = field(default=None, metadata={'type': 'Element', 'required': True}) class-attribute instance-attribute

QUERY_LAYERS: str = field(metadata={'type': 'Element', 'required': True}) class-attribute instance-attribute

X: str = field(default=None, metadata={'type': 'Element', 'required': True}) class-attribute instance-attribute

Y: str = field(default=None, metadata={'type': 'Element', 'required': True}) class-attribute instance-attribute

query_layers property

x: int property

y: int property

__post_init__()

Source code in src/qgis_server_light/interface/job.py 
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def __post_init__(self):
    x = int(self.I or self.X)
    y = int(self.J or self.Y)
    if x is None or y is None:
        raise KeyError(
            "Parameter `I` or `X` and `J` or `Y`  are mandatory for GetFeatureInfo"
        )
    if self.QUERY_LAYERS is None:
        raise KeyError("QUERY_LAYERS is mandatory in this request")

WmsGetMapParams dataclass

Bases: AbstractWmsParams

Represents query parameters from the original WMS request

Source code in src/qgis_server_light/interface/job.py 
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@dataclass(kw_only=True)
class WmsGetMapParams(AbstractWmsParams):
    """Represents query parameters from the original WMS request"""

    LAYERS: str = field(metadata={"type": "Element", "required": True})

    # mime type of the requested image
    FORMAT: str = field(
        default="image/png", metadata={"type": "Element", "required": True}
    )

    @property
    def layers(self) -> List[str]:
        return self.LAYERS.split(",")

FORMAT: str = field(default='image/png', metadata={'type': 'Element', 'required': True}) class-attribute instance-attribute

LAYERS: str = field(metadata={'type': 'Element', 'required': True}) class-attribute instance-attribute

layers: List[str] property

__init__(BBOX, CRS, WIDTH, HEIGHT, DPI=None, FORMAT_OPTIONS=None, STYLES=list(), *, LAYERS, FORMAT='image/png')

qgis

AbstractDataset dataclass

Bases: LayerLike

Source code in src/qgis_server_light/interface/qgis.py 
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@dataclass
class AbstractDataset(LayerLike):
    title: str = field(metadata={"name": "Title", "type": "Element", "required": True})

title: str = field(metadata={'name': 'Title', 'type': 'Element', 'required': True}) class-attribute instance-attribute

__init__(name, title)

BBox dataclass

Source code in src/qgis_server_light/interface/qgis.py 
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@dataclass
class BBox:
    x_min: float = field(metadata={"name": "XMin", "type": "Element", "required": True})
    x_max: float = field(metadata={"name": "XMax", "type": "Element", "required": True})
    y_min: float = field(metadata={"name": "YMin", "type": "Element", "required": True})
    y_max: float = field(metadata={"name": "YMax", "type": "Element", "required": True})
    z_min: Optional[float] = field(
        default=0.0, metadata={"name": "ZMin", "type": "Element", "required": False}
    )
    z_max: Optional[float] = field(
        default=0.0, metadata={"name": "ZMax", "type": "Element", "required": False}
    )

    def to_list(self) -> list:
        return [self.x_min, self.y_min, self.z_min, self.x_max, self.y_max, self.z_max]

    def to_string(self) -> str:
        return ",".join([str(item) for item in self.to_list()])

    @staticmethod
    def from_string(bbox_string: str) -> "BBox":
        """
        Takes a CSV string representation of a BBox in the form:
            '<x_min>,<y_min>,<z_min>,<x_max>,<y_max>,<z_max>'
        """
        coordinates = bbox_string.split(",")
        return BBox(
            x_min=float(coordinates[0]),
            y_min=float(coordinates[1]),
            z_min=float(coordinates[2]),
            x_max=float(coordinates[3]),
            y_max=float(coordinates[4]),
            z_max=float(coordinates[5]),
        )

    @staticmethod
    def from_list(bbox_list: List[float]) -> "BBox":
        """
        Takes a list representation of a BBox in the form:
            [<x_min>,<y_min>,<z_min>,<x_max>,<y_max>,<z_max>]
        """
        return BBox(
            x_min=bbox_list[0],
            y_min=bbox_list[1],
            z_min=bbox_list[2],
            x_max=bbox_list[3],
            y_max=bbox_list[4],
            z_max=bbox_list[5],
        )

x_max: float = field(metadata={'name': 'XMax', 'type': 'Element', 'required': True}) class-attribute instance-attribute

x_min: float = field(metadata={'name': 'XMin', 'type': 'Element', 'required': True}) class-attribute instance-attribute

y_max: float = field(metadata={'name': 'YMax', 'type': 'Element', 'required': True}) class-attribute instance-attribute

y_min: float = field(metadata={'name': 'YMin', 'type': 'Element', 'required': True}) class-attribute instance-attribute

z_max: Optional[float] = field(default=0.0, metadata={'name': 'ZMax', 'type': 'Element', 'required': False}) class-attribute instance-attribute

z_min: Optional[float] = field(default=0.0, metadata={'name': 'ZMin', 'type': 'Element', 'required': False}) class-attribute instance-attribute

__init__(x_min, x_max, y_min, y_max, z_min=0.0, z_max=0.0)

from_list(bbox_list) staticmethod

Takes a list representation of a BBox in the form

[,,,,,]

Source code in src/qgis_server_light/interface/qgis.py 
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@staticmethod
def from_list(bbox_list: List[float]) -> "BBox":
    """
    Takes a list representation of a BBox in the form:
        [<x_min>,<y_min>,<z_min>,<x_max>,<y_max>,<z_max>]
    """
    return BBox(
        x_min=bbox_list[0],
        y_min=bbox_list[1],
        z_min=bbox_list[2],
        x_max=bbox_list[3],
        y_max=bbox_list[4],
        z_max=bbox_list[5],
    )

from_string(bbox_string) staticmethod

Takes a CSV string representation of a BBox in the form

',,,,,'

Source code in src/qgis_server_light/interface/qgis.py 
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@staticmethod
def from_string(bbox_string: str) -> "BBox":
    """
    Takes a CSV string representation of a BBox in the form:
        '<x_min>,<y_min>,<z_min>,<x_max>,<y_max>,<z_max>'
    """
    coordinates = bbox_string.split(",")
    return BBox(
        x_min=float(coordinates[0]),
        y_min=float(coordinates[1]),
        z_min=float(coordinates[2]),
        x_max=float(coordinates[3]),
        y_max=float(coordinates[4]),
        z_max=float(coordinates[5]),
    )

to_list()

Source code in src/qgis_server_light/interface/qgis.py 
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def to_list(self) -> list:
    return [self.x_min, self.y_min, self.z_min, self.x_max, self.y_max, self.z_max]

to_string()

Source code in src/qgis_server_light/interface/qgis.py 
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def to_string(self) -> str:
    return ",".join([str(item) for item in self.to_list()])

Config dataclass

Source code in src/qgis_server_light/interface/qgis.py 
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@dataclass
class Config:
    project: Project = field(
        metadata={"name": "Project", "type": "Element", "required": True}
    )
    meta_data: MetaData = field(
        metadata={"name": "MetaData", "type": "Element", "required": True}
    )
    tree: Tree = field(metadata={"name": "Tree", "type": "Element"})
    datasets: Datasets = field(metadata={"name": "DataSet", "type": "Element"})

datasets: Datasets = field(metadata={'name': 'DataSet', 'type': 'Element'}) class-attribute instance-attribute

meta_data: MetaData = field(metadata={'name': 'MetaData', 'type': 'Element', 'required': True}) class-attribute instance-attribute

project: Project = field(metadata={'name': 'Project', 'type': 'Element', 'required': True}) class-attribute instance-attribute

tree: Tree = field(metadata={'name': 'Tree', 'type': 'Element'}) class-attribute instance-attribute

__init__(project, meta_data, tree, datasets)

Contact dataclass

Source code in src/qgis_server_light/interface/qgis.py 
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@dataclass
class Contact:
    mail: str
    organization: str
    person: str
    phone: str
    position: str
    url: str

mail: str instance-attribute

organization: str instance-attribute

person: str instance-attribute

phone: str instance-attribute

position: str instance-attribute

url: str instance-attribute

__init__(mail, organization, person, phone, position, url)

Crs dataclass

Source code in src/qgis_server_light/interface/qgis.py 
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@dataclass
class Crs:
    auth_id: str = field(
        default=None, metadata={"name": "AuthId", "type": "Element", "required": False}
    )
    postgis_srid: int = field(
        default=None,
        metadata={"name": "PostgisSrid", "type": "Element", "required": False},
    )
    ogc_uri: str = field(
        default=None, metadata={"name": "OgcUri", "type": "Element", "required": False}
    )

auth_id: str = field(default=None, metadata={'name': 'AuthId', 'type': 'Element', 'required': False}) class-attribute instance-attribute

ogc_uri: str = field(default=None, metadata={'name': 'OgcUri', 'type': 'Element', 'required': False}) class-attribute instance-attribute

postgis_srid: int = field(default=None, metadata={'name': 'PostgisSrid', 'type': 'Element', 'required': False}) class-attribute instance-attribute

__init__(auth_id=None, postgis_srid=None, ogc_uri=None)

Custom dataclass

Bases: DataSet

Source code in src/qgis_server_light/interface/qgis.py 
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@dataclass
class Custom(DataSet):
    pass

__init__(name, title, id, bbox, bbox_wgs84, path, source, driver, crs, style=None, minimum_scale=None, maximum_scale=None)

DataSet dataclass

Bases: AbstractDataset

Source code in src/qgis_server_light/interface/qgis.py 
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@dataclass
class DataSet(AbstractDataset):
    id: str = field(metadata={"name": "Id", "type": "Element", "required": False})
    bbox: BBox = field(metadata={"name": "BBox", "type": "Element", "required": True})
    bbox_wgs84: BBox = field(
        metadata={"name": "BBoxWgs84", "type": "Element", "required": True}
    )
    path: str = field(metadata={"name": "Path", "type": "Element", "required": True})
    source: DataSource = field(
        metadata={"name": "Source", "type": "Element", "required": True}
    )
    driver: str = field(
        metadata={"name": "Driver", "type": "Element", "required": True}
    )
    crs: Crs = field(metadata={"name": "Crs", "type": "Element", "required": True})
    style: Optional[str] = field(
        default=None, metadata={"name": "Style", "type": "Element", "required": True}
    )
    minimum_scale: float = field(
        default=None,
        metadata={"name": "MinimumScale", "type": "Element", "required": True},
    )
    maximum_scale: float = field(
        default=None,
        metadata={"name": "MaximumScale", "type": "Element", "required": True},
    )

bbox: BBox = field(metadata={'name': 'BBox', 'type': 'Element', 'required': True}) class-attribute instance-attribute

bbox_wgs84: BBox = field(metadata={'name': 'BBoxWgs84', 'type': 'Element', 'required': True}) class-attribute instance-attribute

crs: Crs = field(metadata={'name': 'Crs', 'type': 'Element', 'required': True}) class-attribute instance-attribute

driver: str = field(metadata={'name': 'Driver', 'type': 'Element', 'required': True}) class-attribute instance-attribute

id: str = field(metadata={'name': 'Id', 'type': 'Element', 'required': False}) class-attribute instance-attribute

maximum_scale: float = field(default=None, metadata={'name': 'MaximumScale', 'type': 'Element', 'required': True}) class-attribute instance-attribute

minimum_scale: float = field(default=None, metadata={'name': 'MinimumScale', 'type': 'Element', 'required': True}) class-attribute instance-attribute

path: str = field(metadata={'name': 'Path', 'type': 'Element', 'required': True}) class-attribute instance-attribute

source: DataSource = field(metadata={'name': 'Source', 'type': 'Element', 'required': True}) class-attribute instance-attribute

style: Optional[str] = field(default=None, metadata={'name': 'Style', 'type': 'Element', 'required': True}) class-attribute instance-attribute

__init__(name, title, id, bbox, bbox_wgs84, path, source, driver, crs, style=None, minimum_scale=None, maximum_scale=None)

DataSource dataclass

Source code in src/qgis_server_light/interface/qgis.py 
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@dataclass
class DataSource:
    postgres: PostgresSource = field(
        default=None,
        metadata={"name": "Postgres", "type": "Element", "required": False},
    )
    wmts: WmtsSource = field(
        default=None, metadata={"name": "Wmts", "type": "Element", "required": False}
    )
    wms: WmsSource = field(
        default=None, metadata={"name": "Wms", "type": "Element", "required": False}
    )
    ogr: OgrSource = field(
        default=None, metadata={"name": "Ogr", "type": "Element", "required": False}
    )
    gdal: GdalSource = field(
        default=None, metadata={"name": "Gdal", "type": "Element", "required": False}
    )
    wfs: WfsSource = field(
        default=None, metadata={"name": "Wfs", "type": "Element", "required": False}
    )
    vector_tile: VectorTileSource = field(
        default=None,
        metadata={"name": "VectorTile", "type": "Element", "required": False},
    )

gdal: GdalSource = field(default=None, metadata={'name': 'Gdal', 'type': 'Element', 'required': False}) class-attribute instance-attribute

ogr: OgrSource = field(default=None, metadata={'name': 'Ogr', 'type': 'Element', 'required': False}) class-attribute instance-attribute

postgres: PostgresSource = field(default=None, metadata={'name': 'Postgres', 'type': 'Element', 'required': False}) class-attribute instance-attribute

vector_tile: VectorTileSource = field(default=None, metadata={'name': 'VectorTile', 'type': 'Element', 'required': False}) class-attribute instance-attribute

wfs: WfsSource = field(default=None, metadata={'name': 'Wfs', 'type': 'Element', 'required': False}) class-attribute instance-attribute

wms: WmsSource = field(default=None, metadata={'name': 'Wms', 'type': 'Element', 'required': False}) class-attribute instance-attribute

wmts: WmtsSource = field(default=None, metadata={'name': 'Wmts', 'type': 'Element', 'required': False}) class-attribute instance-attribute

__init__(postgres=None, wmts=None, wms=None, ogr=None, gdal=None, wfs=None, vector_tile=None)

Datasets dataclass

Source code in src/qgis_server_light/interface/qgis.py 
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@dataclass
class Datasets:
    vector: list[Vector] = field(
        default_factory=list,
        metadata={"name": "VectorDataset", "type": "Element", "required": False},
    )
    raster: list[Raster] = field(
        default_factory=list,
        metadata={"name": "RasterDataset", "type": "Element", "required": False},
    )
    custom: list[Custom] = field(
        default_factory=list,
        metadata={"name": "Custom", "type": "Element", "required": False},
    )
    group: list[Group] = field(
        default_factory=list,
        metadata={"name": "GroupDataset", "type": "Element", "required": False},
    )

custom: list[Custom] = field(default_factory=list, metadata={'name': 'Custom', 'type': 'Element', 'required': False}) class-attribute instance-attribute

group: list[Group] = field(default_factory=list, metadata={'name': 'GroupDataset', 'type': 'Element', 'required': False}) class-attribute instance-attribute

raster: list[Raster] = field(default_factory=list, metadata={'name': 'RasterDataset', 'type': 'Element', 'required': False}) class-attribute instance-attribute

vector: list[Vector] = field(default_factory=list, metadata={'name': 'VectorDataset', 'type': 'Element', 'required': False}) class-attribute instance-attribute

__init__(vector=list(), raster=list(), custom=list(), group=list())

Field dataclass

Source code in src/qgis_server_light/interface/qgis.py 
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@dataclass
class Field:
    name: str = field(metadata={"name": "Name", "type": "Element", "required": True})
    type: str = field(metadata={"name": "Type", "type": "Element", "required": True})

name: str = field(metadata={'name': 'Name', 'type': 'Element', 'required': True}) class-attribute instance-attribute

type: str = field(metadata={'name': 'Type', 'type': 'Element', 'required': True}) class-attribute instance-attribute

__init__(name, type)

GdalSource dataclass

Bases: Source

Source code in src/qgis_server_light/interface/qgis.py 
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@dataclass
class GdalSource(Source):
    path: str = field(metadata={"name": "Path", "type": "Element", "required": True})
    layer_name: Optional[str] = field(
        default=None,
        metadata={"name": "LayerName", "type": "Element", "required": False},
    )

    @property
    def remote(self):
        return self.decide_remote(self.path)

layer_name: Optional[str] = field(default=None, metadata={'name': 'LayerName', 'type': 'Element', 'required': False}) class-attribute instance-attribute

path: str = field(metadata={'name': 'Path', 'type': 'Element', 'required': True}) class-attribute instance-attribute

remote property

__init__(path, layer_name=None)

Group dataclass

Bases: AbstractDataset

Source code in src/qgis_server_light/interface/qgis.py 
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@dataclass
class Group(AbstractDataset):
    pass

__init__(name, title)

LayerLike dataclass

Source code in src/qgis_server_light/interface/qgis.py 
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@dataclass
class LayerLike:
    name: str = field(metadata={"name": "Name", "type": "Element", "required": True})

name: str = field(metadata={'name': 'Name', 'type': 'Element', 'required': True}) class-attribute instance-attribute

__init__(name)

MetaData dataclass

Source code in src/qgis_server_light/interface/qgis.py 
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@dataclass
class MetaData:
    service: Service = field(
        metadata={"name": "Service", "type": "Element", "required": True}
    )
    links: Optional[List[str]] = field(
        default_factory=list,
        metadata={"name": "Links", "type": "Element", "required": False},
    )
    language: Optional[str] = field(
        default=None,
        metadata={"name": "Language", "type": "Element", "required": False},
    )
    categories: Optional[List[str]] = field(
        default_factory=list,
        metadata={"name": "Categories", "type": "Element", "required": False},
    )
    creationDateTime: datetime = field(
        default_factory=datetime.utcnow,
        metadata={"name": "CreationDateTime", "type": "Element", "required": False},
    )
    author: Optional[Contact] = field(
        default=None, metadata={"name": "Author", "type": "Element", "required": False}
    )

author: Optional[Contact] = field(default=None, metadata={'name': 'Author', 'type': 'Element', 'required': False}) class-attribute instance-attribute

categories: Optional[List[str]] = field(default_factory=list, metadata={'name': 'Categories', 'type': 'Element', 'required': False}) class-attribute instance-attribute

creationDateTime: datetime = field(default_factory=datetime.utcnow, metadata={'name': 'CreationDateTime', 'type': 'Element', 'required': False}) class-attribute instance-attribute

language: Optional[str] = field(default=None, metadata={'name': 'Language', 'type': 'Element', 'required': False}) class-attribute instance-attribute

service: Service = field(metadata={'name': 'Service', 'type': 'Element', 'required': True}) class-attribute instance-attribute

__init__(service, links=list(), language=None, categories=list(), creationDateTime=datetime.utcnow(), author=None)

OgrSource dataclass

Bases: GdalSource

Source code in src/qgis_server_light/interface/qgis.py 
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@dataclass
class OgrSource(GdalSource):
    layer_id: Optional[str] = field(
        default=None, metadata={"name": "LayerId", "type": "Element", "required": False}
    )

layer_id: Optional[str] = field(default=None, metadata={'name': 'LayerId', 'type': 'Element', 'required': False}) class-attribute instance-attribute

__init__(path, layer_name=None, layer_id=None)

PostgresSource dataclass

Bases: Source

Source code in src/qgis_server_light/interface/qgis.py 
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@dataclass
class PostgresSource(Source):
    dbname: str = field(
        metadata={"name": "Dbname", "type": "Element", "required": True}
    )
    geometry_column: str = field(
        metadata={"name": "GeometryColumn", "type": "Element", "required": True}
    )
    host: str = field(metadata={"name": "Host", "type": "Element", "required": True})
    key: str = field(metadata={"name": "Key", "type": "Element", "required": True})
    password: str = field(
        metadata={"name": "Password", "type": "Element", "required": True}
    )
    port: str = field(metadata={"name": "Port", "type": "Element", "required": True})
    schema: str = field(
        metadata={"name": "Schema", "type": "Element", "required": True}
    )
    srid: str = field(metadata={"name": "Srid", "type": "Element", "required": True})
    table: str = field(metadata={"name": "Table", "type": "Element", "required": True})
    type: str = field(metadata={"name": "Type", "type": "Element", "required": True})
    username: str = field(
        metadata={"name": "Username", "type": "Element", "required": True}
    )

dbname: str = field(metadata={'name': 'Dbname', 'type': 'Element', 'required': True}) class-attribute instance-attribute

geometry_column: str = field(metadata={'name': 'GeometryColumn', 'type': 'Element', 'required': True}) class-attribute instance-attribute

host: str = field(metadata={'name': 'Host', 'type': 'Element', 'required': True}) class-attribute instance-attribute

key: str = field(metadata={'name': 'Key', 'type': 'Element', 'required': True}) class-attribute instance-attribute

password: str = field(metadata={'name': 'Password', 'type': 'Element', 'required': True}) class-attribute instance-attribute

port: str = field(metadata={'name': 'Port', 'type': 'Element', 'required': True}) class-attribute instance-attribute

schema: str = field(metadata={'name': 'Schema', 'type': 'Element', 'required': True}) class-attribute instance-attribute

srid: str = field(metadata={'name': 'Srid', 'type': 'Element', 'required': True}) class-attribute instance-attribute

table: str = field(metadata={'name': 'Table', 'type': 'Element', 'required': True}) class-attribute instance-attribute

type: str = field(metadata={'name': 'Type', 'type': 'Element', 'required': True}) class-attribute instance-attribute

username: str = field(metadata={'name': 'Username', 'type': 'Element', 'required': True}) class-attribute instance-attribute

__init__(dbname, geometry_column, host, key, password, port, schema, srid, table, type, username)

Project dataclass

Source code in src/qgis_server_light/interface/qgis.py 
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@dataclass
class Project:
    version: str = field(
        metadata={"name": "Version", "type": "Element", "required": True}
    )
    name: str = field(metadata={"name": "Name", "type": "Element", "required": True})

name: str = field(metadata={'name': 'Name', 'type': 'Element', 'required': True}) class-attribute instance-attribute

version: str = field(metadata={'name': 'Version', 'type': 'Element', 'required': True}) class-attribute instance-attribute

__init__(version, name)

Raster dataclass

Bases: DataSet

A real QGIS Raster dataset. That are usually all QgsRasterLayer (in opposition to QgsVectorTileLayer which is not a real QgsRasterLayer.

Source code in src/qgis_server_light/interface/qgis.py 
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@dataclass
class Raster(DataSet):
    """
    A real QGIS Raster dataset. That are usually all `QgsRasterLayer` (in opposition to `QgsVectorTileLayer`
    which is not a real `QgsRasterLayer`.
    """

__init__(name, title, id, bbox, bbox_wgs84, path, source, driver, crs, style=None, minimum_scale=None, maximum_scale=None)

Service dataclass

Source code in src/qgis_server_light/interface/qgis.py 
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@dataclass
class Service:
    contact_organization: Optional[str] = field(
        metadata={"name": "WMSContactOrganization", "type": "Element", "required": True}
    )
    contact_mail: Optional[str] = field(
        metadata={"name": "WMSContactMail", "type": "Element", "required": True}
    )
    contact_person: Optional[str] = field(
        default=None,
        metadata={"name": "WMSContactPerson", "type": "Element", "required": False},
    )
    contact_phone: Optional[str] = field(
        default=None,
        metadata={"name": "WMSContactPhone", "type": "Element", "required": False},
    )
    contact_position: Optional[str] = field(
        default=None,
        metadata={"name": "WMSContactPosition", "type": "Element", "required": False},
    )
    fees: Optional[str] = field(
        default=None, metadata={"name": "WMSFees", "type": "Element", "required": False}
    )
    keyword_list: Optional[str] = field(
        default=None,
        metadata={"name": "WMSKeywordList", "type": "Element", "required": False},
    )
    online_resource: Optional[str] = field(
        default=None,
        metadata={"name": "WMSOnlineResource", "type": "Element", "required": False},
    )
    service_abstract: Optional[str] = field(
        default=None,
        metadata={"name": "WMSServiceAbstract", "type": "Element", "required": False},
    )
    service_title: Optional[str] = field(
        default=None,
        metadata={"name": "WMSServiceTitle", "type": "Element", "required": False},
    )
    resource_url: Optional[str] = field(
        default=None, metadata={"name": "WMSUrl", "type": "Element", "required": False}
    )

contact_mail: Optional[str] = field(metadata={'name': 'WMSContactMail', 'type': 'Element', 'required': True}) class-attribute instance-attribute

contact_organization: Optional[str] = field(metadata={'name': 'WMSContactOrganization', 'type': 'Element', 'required': True}) class-attribute instance-attribute

contact_person: Optional[str] = field(default=None, metadata={'name': 'WMSContactPerson', 'type': 'Element', 'required': False}) class-attribute instance-attribute

contact_phone: Optional[str] = field(default=None, metadata={'name': 'WMSContactPhone', 'type': 'Element', 'required': False}) class-attribute instance-attribute

contact_position: Optional[str] = field(default=None, metadata={'name': 'WMSContactPosition', 'type': 'Element', 'required': False}) class-attribute instance-attribute

fees: Optional[str] = field(default=None, metadata={'name': 'WMSFees', 'type': 'Element', 'required': False}) class-attribute instance-attribute

keyword_list: Optional[str] = field(default=None, metadata={'name': 'WMSKeywordList', 'type': 'Element', 'required': False}) class-attribute instance-attribute

online_resource: Optional[str] = field(default=None, metadata={'name': 'WMSOnlineResource', 'type': 'Element', 'required': False}) class-attribute instance-attribute

resource_url: Optional[str] = field(default=None, metadata={'name': 'WMSUrl', 'type': 'Element', 'required': False}) class-attribute instance-attribute

service_abstract: Optional[str] = field(default=None, metadata={'name': 'WMSServiceAbstract', 'type': 'Element', 'required': False}) class-attribute instance-attribute

service_title: Optional[str] = field(default=None, metadata={'name': 'WMSServiceTitle', 'type': 'Element', 'required': False}) class-attribute instance-attribute

__init__(contact_organization, contact_mail, contact_person=None, contact_phone=None, contact_position=None, fees=None, keyword_list=None, online_resource=None, service_abstract=None, service_title=None, resource_url=None)

Source dataclass

Source code in src/qgis_server_light/interface/qgis.py 
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@dataclass
class Source:
    @staticmethod
    def decide_remote(path: str) -> bool:
        return path.startswith("http")

__init__()

decide_remote(path) staticmethod

Source code in src/qgis_server_light/interface/qgis.py 
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@staticmethod
def decide_remote(path: str) -> bool:
    return path.startswith("http")

Tree dataclass

Source code in src/qgis_server_light/interface/qgis.py 
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@dataclass
class Tree:
    members: list[TreeGroup] = field(
        default_factory=list,
        metadata={"name": "Memeber", "type": "Element", "required": False},
    )

    def find_by_name(self, name: str) -> TreeGroup | None:
        for member in self.members:
            if member.name == name:
                return member

members: list[TreeGroup] = field(default_factory=list, metadata={'name': 'Memeber', 'type': 'Element', 'required': False}) class-attribute instance-attribute

__init__(members=list())

find_by_name(name)

Source code in src/qgis_server_light/interface/qgis.py 
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def find_by_name(self, name: str) -> TreeGroup | None:
    for member in self.members:
        if member.name == name:
            return member

TreeGroup dataclass

Bases: TreeLayer

Source code in src/qgis_server_light/interface/qgis.py 
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@dataclass
class TreeGroup(TreeLayer):
    children: List[str] = field(
        default_factory=list,
        metadata={"name": "Child", "type": "Element", "required": False},
    )

children: List[str] = field(default_factory=list, metadata={'name': 'Child', 'type': 'Element', 'required': False}) class-attribute instance-attribute

__init__(name, children=list())

TreeLayer dataclass

Bases: LayerLike

Source code in src/qgis_server_light/interface/qgis.py 
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@dataclass
class TreeLayer(LayerLike):
    pass

__init__(name)

Vector dataclass

Bases: DataSet

A real QGIS Vector dataset. That are usually all QgsVectorLayer (in opposition to QgsVectorTileLayer which is not a real QgsVectorLayer.

Source code in src/qgis_server_light/interface/qgis.py 
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@dataclass
class Vector(DataSet):
    """
    A real QGIS Vector dataset. That are usually all `QgsVectorLayer` (in opposition to `QgsVectorTileLayer`
    which is not a real `QgsVectorLayer`.
    """

    fields: Optional[List[Field]] = field(
        default_factory=list,
        metadata={"name": "Fields", "type": "Element", "required": True},
    )

fields: Optional[List[Field]] = field(default_factory=list, metadata={'name': 'Fields', 'type': 'Element', 'required': True}) class-attribute instance-attribute

__init__(name, title, id, bbox, bbox_wgs84, path, source, driver, crs, style=None, minimum_scale=None, maximum_scale=None, fields=list())

VectorTileSource dataclass

Bases: Source

Source code in src/qgis_server_light/interface/qgis.py 
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@dataclass
class VectorTileSource(Source):
    styleUrl: str = field(
        metadata={"name": "styleUrl", "type": "Element", "required": True}
    )
    type: str = field(metadata={"name": "Type", "type": "Element", "required": True})
    url: str = field(metadata={"name": "Url", "type": "Element", "required": True})
    zmax: str = field(metadata={"name": "Zmax", "type": "Element", "required": True})
    zmin: str = field(metadata={"name": "Zmin", "type": "Element", "required": True})

    @property
    def remote(self):
        return self.decide_remote(self.url)

remote property

styleUrl: str = field(metadata={'name': 'styleUrl', 'type': 'Element', 'required': True}) class-attribute instance-attribute

type: str = field(metadata={'name': 'Type', 'type': 'Element', 'required': True}) class-attribute instance-attribute

url: str = field(metadata={'name': 'Url', 'type': 'Element', 'required': True}) class-attribute instance-attribute

zmax: str = field(metadata={'name': 'Zmax', 'type': 'Element', 'required': True}) class-attribute instance-attribute

zmin: str = field(metadata={'name': 'Zmin', 'type': 'Element', 'required': True}) class-attribute instance-attribute

__init__(styleUrl, type, url, zmax, zmin)

WfsSource dataclass

Source code in src/qgis_server_light/interface/qgis.py 
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@dataclass
class WfsSource:
    # currently not implemented because qgis does not allow to
    # use the decode uri approach on that URI
    pass

__init__()

WmsSource dataclass

Bases: Source

Source code in src/qgis_server_light/interface/qgis.py 
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@dataclass
class WmsSource(Source):
    crs: str = field(metadata={"name": "Crs", "type": "Element", "required": True})
    dpi_mode: str = field(
        metadata={"name": "DpiMode", "type": "Element", "required": True}
    )
    format: str = field(
        metadata={"name": "Format", "type": "Element", "required": True}
    )
    layers: str = field(
        metadata={"name": "Layers", "type": "Element", "required": True}
    )
    url: str = field(metadata={"name": "Url", "type": "Element", "required": True})
    feature_count: int = field(
        default=None,
        metadata={"name": "FeatureCount", "type": "Element", "required": True},
    )
    contextual_wms_legend: str = field(
        default=None,
        metadata={"name": "ContextualWMSLegend", "type": "Element", "required": True},
    )

contextual_wms_legend: str = field(default=None, metadata={'name': 'ContextualWMSLegend', 'type': 'Element', 'required': True}) class-attribute instance-attribute

crs: str = field(metadata={'name': 'Crs', 'type': 'Element', 'required': True}) class-attribute instance-attribute

dpi_mode: str = field(metadata={'name': 'DpiMode', 'type': 'Element', 'required': True}) class-attribute instance-attribute

feature_count: int = field(default=None, metadata={'name': 'FeatureCount', 'type': 'Element', 'required': True}) class-attribute instance-attribute

format: str = field(metadata={'name': 'Format', 'type': 'Element', 'required': True}) class-attribute instance-attribute

layers: str = field(metadata={'name': 'Layers', 'type': 'Element', 'required': True}) class-attribute instance-attribute

url: str = field(metadata={'name': 'Url', 'type': 'Element', 'required': True}) class-attribute instance-attribute

__init__(crs, dpi_mode, format, layers, url, feature_count=None, contextual_wms_legend=None)

WmtsSource dataclass

Bases: WmsSource

Source code in src/qgis_server_light/interface/qgis.py 
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@dataclass(kw_only=True)
class WmtsSource(WmsSource):
    styles: str = field(
        metadata={"name": "Styles", "type": "Element", "required": True}
    )
    tile_dimensions: str = field(
        default=None,
        metadata={"name": "TileDimensions", "type": "Element", "required": True},
    )
    tile_matrix_set: str = field(
        metadata={"name": "TileMatrixSet", "type": "Element", "required": True}
    )
    tile_pixel_ratio: str = field(
        default=None,
        metadata={"name": "TilePixelRatio", "type": "Element", "required": True},
    )

styles: str = field(metadata={'name': 'Styles', 'type': 'Element', 'required': True}) class-attribute instance-attribute

tile_dimensions: str = field(default=None, metadata={'name': 'TileDimensions', 'type': 'Element', 'required': True}) class-attribute instance-attribute

tile_matrix_set: str = field(metadata={'name': 'TileMatrixSet', 'type': 'Element', 'required': True}) class-attribute instance-attribute

tile_pixel_ratio: str = field(default=None, metadata={'name': 'TilePixelRatio', 'type': 'Element', 'required': True}) class-attribute instance-attribute

__init__(crs, dpi_mode, format, layers, url, feature_count=None, contextual_wms_legend=None, *, styles, tile_dimensions=None, tile_matrix_set, tile_pixel_ratio=None)