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import importlib |
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import json |
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from pathlib import Path |
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from typing import Any |
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import click |
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from graphinate import GraphModel, builders, graphql |
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from graphinate.renderers.graphql import DEFAULT_PORT |
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def _get_kwargs(ctx) -> dict: |
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return dict([item.strip('--').split('=') for item in ctx.args if item.startswith("--")]) # NOSONAR |
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def import_from_string(import_str: Any) -> Any: |
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"""Import an object from a string reference {module-name}:{variable-name} |
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For example, if `model=GraphModel()` is defined in app.py file, then the |
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reference would be app:model. |
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""" |
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if not isinstance(import_str, str): |
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return import_str |
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module_str, _, attrs_str = import_str.partition(":") |
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if not module_str or not attrs_str: |
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message = f"Import string '{import_str}' must be in format '<module>:<attribute>'." |
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raise ImportFromStringError(message) |
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try: |
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module = importlib.import_module(module_str) |
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except ModuleNotFoundError as exc: |
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if exc.name != module_str: |
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raise exc from None |
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message = f"Could not import module '{module_str}'." |
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raise ImportFromStringError(message) from exc |
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instance = module |
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try: |
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for attr_str in attrs_str.split("."): |
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instance = getattr(instance, attr_str) |
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except AttributeError as exc: |
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message = f"Attribute '{attrs_str}' not found in module '{module_str}'." |
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raise ImportFromStringError(message) from exc |
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return instance |
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class ImportFromStringError(Exception): |
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pass |
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class GraphModelType(click.ParamType): |
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name = "MODEL" |
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def convert(self, value, param, ctx) -> GraphModel: |
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if isinstance(value, GraphModel): |
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return value |
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try: |
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return import_from_string(value) if isinstance(value, str) else value |
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except Exception as e: |
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self.fail(str(e)) |
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model_option = click.option('-m', '--model', |
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type=GraphModelType(), |
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help="A GraphModel instance reference {module-name}:{GraphModel-instance-variable-name}" |
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" For example given a var `model=GraphModel()` defined in app.py file, then the" |
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" reference would be app:model") |
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@click.group() |
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@click.pass_context |
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def cli(ctx): |
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ctx.ensure_object(dict) |
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@cli.command() |
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@model_option |
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@click.pass_context |
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def save(ctx, model: GraphModel): |
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file_path = Path(f"{model.name}.d3_graph.json") |
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if file_path.is_absolute(): |
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raise click.ClickException("Please provide a relative file path for saving the graph.") |
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if file_path.parent != Path('.'): |
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raise click.ClickException("Saving to subdirectories is not supported. Please provide a file name only.") |
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91
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if file_path.exists(): |
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click.confirm(f"The file '{file_path}' already exists. Do you want to overwrite it?", abort=True) |
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kwargs = _get_kwargs(ctx) |
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with open(file_path, mode='w') as fp: |
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graph = builders.D3Builder(model, **kwargs).build() |
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json.dump(graph, fp=fp, default=str, **kwargs) |
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@cli.command() |
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@model_option |
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@click.option('-p', '--port', type=int, default=DEFAULT_PORT, help='Port number.') |
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@click.option('-b', '--browse', type=bool, default=False, help='Open server address in browser.') |
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@click.pass_context |
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def server(ctx, model: GraphModel, port: int, browse: bool): |
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message = """ |
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██████╗ ██████╗ █████╗ ██████╗ ██╗ ██╗██╗███╗ ██╗ █████╗ ████████╗███████╗ |
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██╔════╝ ██╔══██╗██╔══██╗██╔══██╗██║ ██║██║████╗ ██║██╔══██╗╚══██╔══╝██╔════╝ |
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109
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██║ ███╗██████╔╝███████║██████╔╝███████║██║██╔██╗ ██║███████║ ██║ █████╗ |
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110
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██║ ██║██╔══██╗██╔══██║██╔═══╝ ██╔══██║██║██║╚██╗██║██╔══██║ ██║ ██╔══╝ |
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╚██████╔╝██║ ██║██║ ██║██║ ██║ ██║██║██║ ╚████║██║ ██║ ██║ ███████╗ |
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╚═════╝ ╚═╝ ╚═╝╚═╝ ╚═╝╚═╝ ╚═╝ ╚═╝╚═╝╚═╝ ╚═══╝╚═╝ ╚═╝ ╚═╝ ╚══════╝""" |
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click.echo(message) |
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schema = builders.GraphQLBuilder(model).build() |
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graphql.server(schema, port=port, browse=browse, **_get_kwargs(ctx)) |
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erivlis /
graphinate
