forked from gaugendre/ofx-processor
92 lines
2.9 KiB
Python
92 lines
2.9 KiB
Python
import collections
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import importlib
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import inspect
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import pkgutil
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import click
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from ofx_processor import processors
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ARG_TO_OPTION = {
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"keep": click.option(
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"--keep/--no-keep",
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help="Keep the file after processing it.",
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default=False,
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show_default=True,
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),
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"send": click.option(
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"send",
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"--send/--no-send",
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"--send-email/--no-send-email",
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help="Send the reconciled amount via email.",
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default=False,
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show_default=True,
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),
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"download": click.option(
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"--download/--no-download",
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help="Download the file automatically.",
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default=False,
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show_default=True,
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),
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"filename": click.option(
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"-f",
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"--filename",
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help="Use specified file.",
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default="",
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show_default=True,
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),
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}
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def discover_processors(cli: click.Group):
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"""
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Discover processors.
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To be discovered, processors must:
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* Be in the `processors` package.
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* Declare a <BankName>Processor class
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* Declare a main function in the module, outside of the class.
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The main function must not be a click command, decorators will be added on the fly.
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The main function must accept two parameters:
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* filename: str, containing the name of the file to process, as passed on the command line
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* keep: boolean, whether to keep the file after processing it or not
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:param cli: The main CLI to add discovered processors to.
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"""
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prefix = processors.__name__ + "."
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for module in pkgutil.iter_modules(processors.__path__, prefix):
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module = importlib.import_module(module.name)
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for item in dir(module):
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if (
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item.endswith("Processor")
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and item != "Processor"
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and "Base" not in item
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):
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cls = getattr(module, item)
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assert hasattr(
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module, "main"
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), "There must be a main function in the processor module."
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assert hasattr(
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cls, "command_name"
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), "You must add a command_name member to your processor class."
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# Apply default decorators
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method = getattr(module, "main")
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method_args = inspect.getfullargspec(method).args
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for arg in method_args:
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if arg in ARG_TO_OPTION:
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method = ARG_TO_OPTION[arg](method)
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method = click.command(cls.command_name)(method)
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cli.add_command(method)
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class OrderedGroup(click.Group):
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def __init__(self, name=None, commands=None, **attrs):
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super().__init__(name, commands, **attrs)
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#: the registered subcommands by their exported names.
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self.commands = commands or collections.OrderedDict()
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def list_commands(self, ctx):
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return self.commands
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