308028fb创建于 4月20日历史提交
#!/usr/bin/env python3
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"""Implementation of the GraphDrawerFactory class to create
and return a LineGraphDrawer object for the given data.
"""

# cspell:ignore scienceplots

import sys

import matplotlib as mpl
import matplotlib.pyplot as plt
import scienceplots  # pylint: disable=unused-import # noqa: F401

from ...helpers.click_helpers import recho
from .graph_drawer_factory_interface import (
    GraphDrawerFactoryInterface,
)
from .graph_types import GraphTypes
from .line_graph_drawer import LineGraphDrawer
from .settings_graph import (
    Description,
    GraphSettings,
    Mapping,
)


class GraphDrawerFactory(GraphDrawerFactoryInterface):  # pylint: disable=too-few-public-methods
    """Class that implements the interface GraphDrawerFactory"""

    def get_object(self, graph_config: dict) -> LineGraphDrawer:
        """Creates a LineGraphDrawer object from the given configuration."""
        graph_type = GraphDrawerFactory._get_graph_type(graph_config)
        match graph_type:
            case GraphTypes.LINE:
                # Create all relevant properties for GraphDrawer
                LineGraphDrawer.validate_config(graph_config)
                mapping = Mapping(**graph_config["mapping"])
                graph_settings = GraphSettings(**graph_config["graph"])
                description = Description(**graph_config["description"])
                plt.style.use(["science", "ieee", "no-latex"])
                mpl.rc("font", size=16, family="serif", serif="Times New Roman")
                # avoid overlap of x and y-axis values
                mpl.rcParams["xtick.major.pad"] = 12
                fig, axes = plt.subplots(
                    figsize=(
                        graph_settings.width_px / graph_settings.dpi,
                        graph_settings.height_px / graph_settings.dpi,
                    ),
                    dpi=graph_settings.dpi,
                )
                fig.set_layout_engine("tight")
                return LineGraphDrawer(
                    graph=graph_settings,
                    descriptions=description,
                    mapping=mapping,
                    axes=axes,
                    name=graph_config["name"],
                )
            case _:
                recho("The given graph type hasn't been implemented.")
                sys.exit(1)