21 lines
633 B
Python
21 lines
633 B
Python
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from textwrap import dedent
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APP = None
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def get_app():
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if APP is None:
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raise Exception(
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dedent(
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"""
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App object is not yet defined. `app = dash.Dash()` needs to be run
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before `dash.get_app()` is called and can only be used within apps that use
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the `pages` multi-page app feature: `dash.Dash(use_pages=True)`.
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`dash.get_app()` is used to get around circular import issues when Python files
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within the pages/` folder need to reference the `app` object.
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"""
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)
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)
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return APP
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