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    "info": {
        "author": "Scott Stafford",
        "author_email": "scott.stafford+pylidator@gmail.com",
        "bugtrack_url": null,
        "classifiers": [
            "Development Status :: 4 - Beta",
            "Intended Audience :: Developers",
            "License :: OSI Approved :: MIT License",
            "Programming Language :: Python :: 3",
            "Programming Language :: Python :: 3.7"
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        "description": "# pylidator\npylidator is a validation framework for Python projects.\n\nMany business systems have complex validation rules.  This library provides a method of organizing those rules for\nconvenience and testability.  A `validator` method is written for each rule (or group of rules), which simply returns a\nlist of errors if any are found.\n\n## Validators\n\nA validator method checks the validity of one or a closely-related group of\nassertions about a piece of data.  They all look basically like this:\n\n```python\nimport pylidator\n\n@pylidator.validator(of=\"child\")\ndef child_is_valid(child):\n    messages = []\n\n    if child['age'] >= 18:\n        messages.append({\"age\": \"Child is too old.\"}\n\n    if child['type'] != 'human':\n        messages.append({\"type\": \"Only humans allowed.\"}\n\n    return messages\n```\n\n(Alternately, you can return just a dict of `{field: message}` items.)\n\n## Validating Something\n\nOnce you have authored some `@pylidator.validator` methods as above, you can use them!  Try this:\n\n```python\nimport pylidator\n\nobjs = {\n    'name': \"Mrs. Teacher's Class\",\n    'children': [\n        {'name': \"Joe\", 'age': 15, 'type': 'human'},\n        {'name': \"Sarah\", 'age': 19, 'type': 'human'},\n    ]\n}\n\n# Define a provider\ndef _provide_child(obj):\n    for i, c in enumerate(obj['children']):\n        yield c, {\"description\": \"Child {}\".format(i)}\n\nproviders = {\"child\": _provide_something}  # \"child\" matches the `of` argument of the `@pylidator.validator`.\nret = pylidator.validate(objs, {pylidator.ERROR: [some_values_are_valid]}, providers=providers)\n```\n\n`child_is_valid` will be invoked once per child, and any that return something truthy will show as an ERROR.\n\n## Function Reference\n\n`@pylidator.validator` decorates any method that will be passed to `pylidator.validate`, and takes several optional parameters:\n\n```\n@pylidator.validator(of, requires=None, affects=None)\n\n`of` specifies what provider the validator should use.   The `validate` call needs an item in `providers`\n     that matches `of`.\n`requires` (optional) can add additional context items, such as the current time or other services that can supply\n     data or settings to the validator.  The requirement is fulfilled by passing `extra_context` to the `validate`\n     call, containing any items that are used in a `requires`.\n`affects` (optional) is simply passed through to results.  It can be used as guidance for UI/error reporting for\n     helping to resolve any resultant errors.\n```\n\n```\npylidator.validate(\n    obj, validators=None, providers=None, extra_context=None, field_name_mapper=None, \n    validation_type=None)\n\n`obj` is the top-level object requiring validation.\n`validators` is a dict of {level: list of `@pylidator.validator` objects}\n`providers` is a dict of {of: func that takes obj and returns an iterable of some subobjects}\n`extra_context` is a dict of other data that can be injected into `@pylidator.validator` with `requires`.\n`field_name_mapper` is a string->string func that converts field names given in returned errors into verbose names.\n`validation_type` is added as documentation into the error object.\n`logging` If set to False, disables logging of validation results.\n`why` String added to logging to identify the logpoint.\n```\n\n\n",
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        "keywords": "validation validate",
        "license": "MIT",
        "maintainer": "",
        "maintainer_email": "",
        "name": "pylidator",
        "package_url": "https://pypi.org/project/pylidator/",
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        "project_url": "https://pypi.org/project/pylidator/",
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            "check-manifest ; extra == 'dev'",
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        "summary": "A practical system for organizing validation rules.",
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