Source code for livvkit.components.validation

# coding=utf-8
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"""
Validation Test Base Module
"""

import os
import importlib

import livvkit
from livvkit.util import functions

ERR_MISSING_MOD_MSG = """
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
                       UH OH!")
----------------------------------------------------------
Could not find the module for {}:
    {}

The module must be specified as an import statement of a
module that can be found on your python, or a valid path
to a python module file (specified either relative to your
current working directory or absolutely).
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
"""

ERR_MISSING_DEP_MSG = """
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
                       UH OH!")
----------------------------------------------------------
{} depends on {}. 

Please install it before using this extension; `conda` or
`pip` is recommended. 
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
"""

ERR_MISSING_DEP_CONDA_MSG = """
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
                       UH OH!")
----------------------------------------------------------
{} depends on {}. 

If you're using `conda` you can update your environment
with the required packages by issuing this command:
    conda env update --name {} -f {}

Otherwise, install the packages listed in the above *.yml
file. 
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
"""


def _case_dep_err(mod_path):
    yml_path = mod_path.replace('.py', '.yml')
    conda_env = os.environ.get('CONDA_DEFAULT_ENV')
    if conda_env and os.path.isfile(yml_path):
        return ERR_MISSING_DEP_CONDA_MSG.format('{}', '{}', conda_env, os.path.relpath(yml_path, os.getcwd()))
    else:
        return ERR_MISSING_DEP_MSG


def _load_case_module(case, config):
    try:
        m = importlib.import_module(config['module'])
    except ImportError:
        mod_path = os.path.abspath(config['module'])
        try:
            spec = importlib.util.spec_from_file_location(
                case, mod_path, submodule_search_locations=os.path.dirname(mod_path)
            )
            m = importlib.util.module_from_spec(spec)
            spec.loader.exec_module(m)
        except IOError:
            # imp.load_source (py2) and spec.loader.exec_module (py3) raises an IOError if module isn't found
            print(ERR_MISSING_MOD_MSG.format(case, os.path.relpath(mod_path, os.getcwd())))
            raise
        except ImportError as iie:
            # If module's internal import statements fail
            print(_case_dep_err(mod_path).format(case, iie.name))
            raise
        
    return m


[docs]def run_suite(case, config): """ Run the full suite of validation tests """ m = _load_case_module(case, config) result = m.run(case, config) summary = _summarize_result(m, result) _print_summary(m, case, summary) functions.create_page_from_template("validation.html", os.path.join(livvkit.index_dir, "validation", case + ".html")) with open(os.path.join(livvkit.output_dir, "validation", case + ".json"), 'w') as f: f.write(result._repr_json()) return summary
def _print_summary(module, case, summary): try: try: module.print_summary(summary) except TypeError: module.print_summary(case, summary) except (NotImplementedError, AttributeError): print(" Ran " + case + "!") print("") def _summarize_result(module, result): try: summary = module.summarize_result(result) except (NotImplementedError, AttributeError): status = "Success" if isinstance(result, livvkit.elements.Error): status = "Failure" summary = {"": {"Outcome": status}} return summary
[docs]def populate_metadata(case, config): m = _load_case_module(case, config) try: try: metadata = m.populate_metadata() except TypeError: metadata = m.populate_metadata(case, config) except (NotImplementedError, AttributeError): metadata = {"Type": "ValSummary", "Title": "Validation", "TableTitle": "Validation", "Headers": ["Outcome"]} return metadata