from typing import Optional, List
from validator_collection import validators, checkers
from highcharts_core.options.series.base import SeriesBase
from highcharts_maps import errors
from highcharts_maps.decorators import validate_types
from highcharts_maps.options.series.data.map_data import AsyncMapData, MapData
from highcharts_maps.utility_classes.javascript_functions import VariableName
from highcharts_maps.utility_functions import mro__to_untrimmed_dict
from highcharts_maps.js_literal_functions import (serialize_to_js_literal,
assemble_js_literal)
[docs]class MapSeriesBase(SeriesBase):
"""Generic base class for map series configurations."""
def __init__(self, **kwargs):
self._map_data = None
self.map_data = kwargs.get('map_data', None)
super().__init__(**kwargs)
@property
def map_data(self) -> Optional[MapData | AsyncMapData | VariableName | List[MapData | AsyncMapData]]:
""":term:`Map geometries <map geometry>` that provide instructions on how to render
the map itself, along with relevant properties used to join each map area to its
corresponding values in the
:meth:`.data <highcharts_maps.options.series.base.MapSeriesBase.data>`.
Accepts (either in object representation or as coercable objects):
* :class:`MapData <highcharts_maps.options.series.data.map_data.MapData>`
* :class:`AsyncMapData <highcharts_maps.options.series.data.map_data.AsyncMapData>`
* :class:`VariableName <highcharts_maps.utility_classes.javascript_functions.VariableName>`
* :class:`GeoJSONBase <highcharts_maps.utility_classes.geojson.GeoJSONBase>` or
descendant
* :class:`Topology <highcharts_maps.utility_classes.topojson.Topology>`
* a :class:`str <python:str>` URL, which will be coerced to
:class:`AsyncMapData <highcharts_maps.options.series.data.map_data.AsyncMapData>`
:rtype: :class:`MapData <highcharts_maps.options.series.data.map_data.MapData>` or
:class:`AsyncMapData <highcharts_maps.options.series.data.map_data.AsyncMapData>`
or :obj:`None <python:None>`
"""
return self._map_data
@map_data.setter
def map_data(self, value):
if not value:
self._map_data = None
elif checkers.is_iterable(value, forbid_literals = (str, bytes, dict)):
cleaned_value = []
for item in value:
if isinstance(item, (MapData, AsyncMapData, VariableName)):
item = item
elif checkers.is_url(item):
item = AsyncMapData(url = item)
elif isinstance(item, dict) and 'url' in item:
item = AsyncMapData.from_dict(item)
elif isinstance(item, str) and 'url:' in item:
item = AsyncMapData.from_json(item)
elif checkers.is_type(item, 'GeoDataFrame'):
item = MapData.from_geodataframe(item)
else:
try:
item = MapData.from_topojson(item)
except (ValueError, TypeError):
try:
item = MapData.from_geojson(item)
except (ValueError, TypeError):
raise errors.HighchartsValueError(
f'map_data expects a value '
f'that is TopoJSON, '
f'GeoJSON, a MapData '
f'object, an AsyncMapData '
f'object, or coercable to '
f'one. Received: '
f'{item.__class__.__name__}'
)
cleaned_value.append(item)
value = [x for x in cleaned_value]
elif isinstance(value, (MapData, AsyncMapData)):
value = value
elif checkers.is_url(value):
value = AsyncMapData(url = value)
elif isinstance(value, dict) and 'url' in value:
value = AsyncMapData.from_dict(value)
elif isinstance(value, str) and 'url:' in value:
value = AsyncMapData.from_json(value)
elif checkers.is_type(value, 'GeoDataFrame'):
value = MapData.from_geodataframe(value)
else:
try:
value = MapData.from_topojson(value)
except (ValueError, TypeError):
try:
value = MapData.from_geojson(value)
except (ValueError, TypeError):
try:
value = validate_types(value, VariableName)
except (ValueError, TypeError):
raise errors.HighchartsValueError(
f'map_data expects a value '
f'that is TopoJSON, '
f'GeoJSON, a MapData '
f'object, an AsyncMapData '
f'object, or coercable to '
f'one. Received: '
f'{value.__class__.__name__}'
)
self._map_data = value
[docs] def set_async_map_data(self,
url,
selector = None,
fetch_config = None):
"""Configures the asynchronous loading of :term:`map geometries <map geometry>`
for the series, including a download of the raw map data itself in
:term:`TopoJSON` or :term:`GeoJSON` format and the incorporation of an (optional)
custom JavaScript function to select a portion of the downloaded data for
rendering.
:param url: The URL from which to retrieve the :term:`map geometry` asynchronously
via a JavaScript ``fetch()`` call.
:type url: :class:`str <python:str>`
:param selector: A JavaScript callback function that the :term:`map geometry`
retrieved from ``url`` will be supplied to, and which will then return a subset
or mutated form of the resulting data. Defaults to :obj:`None <python:None>`.
.. caution::
The function *must* expect a single argument named ``originalMapData``.
:type selector: :class:`CallbackFunction <highcharts_maps.utility_classes.javascript_functions.CallbackFunction>`
:param fetch_config: Additional (optional) configuration settings to use for the
JavaScript ``fetch()`` function call. Defaults to :obj:`None <python:None>`.
.. note::
If ``fetch_config`` contains an already-set URL, that URL will be
overwritten by the value supplied in ``url``.
:type fetch_config: :class:`FetchConfiguration <highcharts_maps.utility_classes.fetch_configuration.FetchConfiguration>`
or :obj:`None <python:None>`
"""
async_map_data = AsyncMapData(url = url,
selector = selector,
fetch_config = fetch_config)
self.map_data = async_map_data
@property
def is_async(self) -> bool:
"""Read-only property, where ``True`` indicates that the map data is loaded
asynchronously and ``False`` indicates that it is not.
:rtype: :class:`bool <python:bool>`
"""
if not self.map_data:
return False
is_async = isinstance(self.map_data, AsyncMapData)
if is_async:
return True
if isinstance(self.map_data, list):
for item in self.map_data:
if isinstance(self.map_data, AsyncMapData):
return True
return False
@property
def is_map_data_independent(self) -> bool:
"""Read-only property, where ``True`` indicates that the map data is referencing
a JavaScript variable defined outside of **Highcharts Maps for Python**.
:rtype: :class:`bool <python:bool>`
"""
return isinstance(self.map_data, VariableName)
@classmethod
def _get_kwargs_from_dict(cls, as_dict):
kwargs = {
'accessibility': as_dict.get('accessibility', None),
'allow_point_select': as_dict.get('allowPointSelect', None),
'animation': as_dict.get('animation', None),
'class_name': as_dict.get('className', None),
'clip': as_dict.get('clip', None),
'color': as_dict.get('color', None),
'cursor': as_dict.get('cursor', None),
'custom': as_dict.get('custom', None),
'dash_style': as_dict.get('dashStyle', None),
'data_labels': as_dict.get('dataLabels', None),
'description': as_dict.get('description', None),
'enable_mouse_tracking': as_dict.get('enableMouseTracking', None),
'events': as_dict.get('events', None),
'include_in_data_export': as_dict.get('includeInDataExport', None),
'keys': as_dict.get('keys', None),
'label': as_dict.get('label', None),
'linked_to': as_dict.get('linkedTo', None),
'marker': as_dict.get('marker', None),
'on_point': as_dict.get('onPoint', None),
'opacity': as_dict.get('opacity', None),
'point': as_dict.get('point', None),
'point_description_formatter': as_dict.get('pointDescriptionFormatter', None),
'selected': as_dict.get('selected', None),
'show_checkbox': as_dict.get('showCheckbox', None),
'show_in_legend': as_dict.get('showInLegend', None),
'skip_keyboard_navigation': as_dict.get('skipKeyboardNavigation', None),
'states': as_dict.get('states', None),
'sticky_tracking': as_dict.get('stickyTracking', None),
'threshold': as_dict.get('threshold', None),
'tooltip': as_dict.get('tooltip', None),
'turbo_threshold': as_dict.get('turboThreshold', None),
'visible': as_dict.get('visible', None),
'animation_limit': as_dict.get('animationLimit', None),
'boost_blending': as_dict.get('boostBlending', None),
'boost_threshold': as_dict.get('boostThreshold', None),
'color_axis': as_dict.get('colorAxis', None),
'color_index': as_dict.get('colorIndex', None),
'color_key': as_dict.get('colorKey', None),
'connect_ends': as_dict.get('connectEnds', None),
'connect_nulls': as_dict.get('connectNulls', None),
'crisp': as_dict.get('crisp', None),
'crop_threshold': as_dict.get('cropThreshold', None),
'data_sorting': as_dict.get('dataSorting', None),
'drag_drop': as_dict.get('dragDrop', None),
'find_nearest_point_by': as_dict.get('findNearestPointBy', None),
'get_extremes_from_all': as_dict.get('getExtremesFromAll', None),
'linecap': as_dict.get('linecap', None),
'line_width': as_dict.get('lineWidth', None),
'negative_color': as_dict.get('negativeColor', None),
'point_interval': as_dict.get('pointInterval', None),
'point_interval_unit': as_dict.get('pointIntervalUnit', None),
'point_placement': as_dict.get('pointPlacement', None),
'point_start': as_dict.get('pointStart', None),
'relative_x_value': as_dict.get('relativeXValue', None),
'shadow': as_dict.get('shadow', None),
'soft_threshold': as_dict.get('softThreshold', None),
'stacking': as_dict.get('stacking', None),
'step': as_dict.get('step', None),
'zone_axis': as_dict.get('zoneAxis', None),
'zones': as_dict.get('zones', None),
'data': as_dict.get('data', None),
'id': as_dict.get('id', None),
'index': as_dict.get('index', None),
'legend_index': as_dict.get('legendIndex', None),
'name': as_dict.get('name', None),
'stack': as_dict.get('stack', None),
'x_axis': as_dict.get('xAxis', None),
'y_axis': as_dict.get('yAxis', None),
'z_index': as_dict.get('zIndex', None),
'map_data': as_dict.get('mapData', None),
}
return kwargs
def _to_untrimmed_dict(self, in_cls = None) -> dict:
untrimmed = {
'mapData': self.map_data,
}
parent_as_dict = mro__to_untrimmed_dict(self, in_cls = in_cls) or {}
for key in parent_as_dict:
untrimmed[key] = parent_as_dict[key]
return untrimmed
[docs] def to_js_literal(self,
filename = None,
encoding = 'utf-8') -> Optional[str]:
"""Return the object represented as a :class:`str <python:str>` containing the
JavaScript object literal.
:param filename: The name of a file to which the JavaScript object literal should
be persisted. Defaults to :obj:`None <python:None>`
:type filename: Path-like
:param encoding: The character encoding to apply to the resulting object. Defaults
to ``'utf-8'``.
:type encoding: :class:`str <python:str>`
:rtype: :class:`str <python:str>` or :obj:`None <python:None>`
"""
if filename:
filename = validators.path(filename)
untrimmed = self._to_untrimmed_dict()
as_dict = {}
for key in untrimmed:
item = untrimmed[key]
if key == 'mapData' and self.is_map_data_independent:
item = f'HCP: REPLACE-WITH-{item.variable_name}'
elif key == 'mapData' and self.is_async:
fetch_counter = item.fetch_counter
item = 'HCP: REPLACE-WITH-topology'
if fetch_counter > 0:
item = f'{item}{fetch_counter}'
serialized = serialize_to_js_literal(item, encoding = encoding)
if serialized is not None:
as_dict[key] = serialized
as_str = assemble_js_literal(as_dict)
if filename:
with open(filename, 'w', encoding = encoding) as file_:
file_.write(as_str)
return as_str
[docs] def load_from_geopandas(self,
gdf,
property_map):
"""Replace the contents of the
:meth:`.data <highcharts_maps.options.series.base.SeriesBase.data>` property
with data points and the
:meth:`.map_data <highcharts_maps.options.series.base.MapSeriesBase.map_data>`
property with geometries populated from a `geopandas <https://geopandas.org/>`__
:class:`GeoDataFrame <geopandas:GeoDataFrame>`.
:param gdf: The :class:`GeoDataFrame <geopandas:GeoDataFrame>` from which data
should be loaded.
:type gdf: :class:`GeoDataFrame <geopandas:GeoDataFrame>`
:param property_map: A :class:`dict <python:dict>` used to indicate which
data point property should be set to which column in ``gdf``. The keys in the
:class:`dict <python:dict>` should correspond to properties in the data point
class, while the value should indicate the label for the
:class:`GeoDataFrame <geopandas:GeoDataFrame>` column.
:type property_map: :class:`dict <python:dict>`
:raises HighchartsPandasDeserializationError: if ``property_map`` references
a column that does not exist in the data frame
:raises HighchartsDependencyError: if `geopandas <https://geopandas.org/>`__ is
not available in the runtime environment
"""
self.map_data = MapData.from_geodataframe(as_gdf = gdf)
try:
from geopandas import GeoDataFrame
except ImportError:
raise errors.HighchartsDependencyError('geopandas is not available in the '
'runtime environment. Please install '
'using "pip install geopandas"')
if not checkers.is_type(gdf, ('GeoDataFrame', 'Series')):
raise errors.HighchartsValueError(f'gdf is expected to be a geopandas '
f'GeoDataFrame or Series. Was: '
f'{gdf.__class__.__name__}')
self.map_data = MapData.from_geodataframe(as_gdf = gdf)
self.load_from_pandas(gdf, property_map)
[docs] @classmethod
def from_geopandas(cls,
gdf,
property_map,
series_kwargs = None):
"""Create a :term:`series` instance whose
:meth:`.data <highcharts_maps.options.series.base.SeriesBase.data>` property
is populated from a `geopandas <https://geopandas.org/>`__
:class:`GeoDataFrame <geopandas:GeoDataFrame>`.
:param gdf: The :class:`GeoDataFrame <geopandas:GeoDataFrame>` from which data
should be loaded.
:type gdf: :class:`GeoDataFrame <geopandas:GeoDataFrame>`
:param property_map: A :class:`dict <python:dict>` used to indicate which
data point property should be set to which column in ``gdf``. The keys in the
:class:`dict <python:dict>` should correspond to properties in the data point
class, while the value should indicate the label for the
:class:`GeoDataFrame <geopandas:GeoDataFrame>` column.
:type property_map: :class:`dict <python:dict>`
:param series_kwargs: An optional :class:`dict <python:dict>` containing keyword
arguments that should be used when instantiating the series instance. Defaults
to :obj:`None <python:None>`.
.. warning::
If ``series_kwargs`` contains a ``data`` or ``map_data`` key, their values
will be *overwritten*. The ``data`` and ``map_data`` values will be created
from ``gdf`` instead.
:type series_kwargs: :class:`dict <python:dict>`
:returns: A :term:`series` instance (descended from
:class:`MapSeriesBase <highcharts_maps.options.series.base.MapSeriesBase>`) with
its :meth:`.data <highcharts_maps.options.series.base.SeriesBase.data>` and
:meth:`.map_data <highcharts_maps.options.series.base.MapSeriesBase.map_data>`
properties from the data in ``gdf```
:rtype: :class:`list <python:list>` of series instances (descended from
:class:`MapSeriesBase <highcharts_maps.options.series.base.MapSeriesBase>`)
:raises HighchartsPandasDeserializationError: if ``property_map`` references
a column that does not exist in the data frame
:raises HighchartsDependencyError: if
`geopandas <https://geopandas.pydata.org/>`__ is not available in the runtime
environment
"""
series_kwargs = validators.dict(series_kwargs, allow_empty = True) or {}
instance = cls(**series_kwargs)
instance.load_from_geopandas(gdf, property_map)
return instance