coverage_python_coverage.py

#!/usr/bin/env python

# Copyright (c) 2020 PaddlePaddle Authors. All Rights Reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
"""
usage: python_coverage.py > python-coverage.info
"""

import os
from os import path
from xml.etree import ElementTree

paddle_root = os.getenv('PADDLE_ROOT')

tree = ElementTree.parse('python-coverage.xml')
root = tree.getroot()

sources = root.findall('sources/source')

source = sources[-1].text

for clazz in root.findall('packages/package/classes/class'):
    clazz_filename = clazz.attrib.get('filename')
    clazz_filename = path.join(source, clazz_filename)

    build_python_prefix = os.path.join(paddle_root, 'build', 'python')
    python_prefix = os.path.join(paddle_root, 'python')

    if clazz_filename.startswith(build_python_prefix):
        clazz_filename = (
            python_prefix + clazz_filename[len(build_python_prefix) :]
        )

    if not path.exists(clazz_filename):
        continue

    print('TN:')
    print(f'SF:{clazz_filename}')

    branch_index = 0

    for line in clazz.findall('lines/line'):
        line_hits = line.attrib.get('hits')
        line_number = line.attrib.get('number')

        line_branch = line.attrib.get('branch')
        line_condition_coverage = line.attrib.get('condition-coverage')
        line_missing_branches = line.attrib.get('missing-branches')

        if line_branch == 'true':
            line_condition_coverage = line_condition_coverage.split()
            line_condition_coverage = line_condition_coverage[1].strip('()')
            line_condition_coverage = line_condition_coverage.split('/')

            taken = line_condition_coverage[0]
            taken = int(taken)

            for _ in range(taken):
                print(f'BRDA:{line_number},{0},{branch_index},{line_hits}')
                branch_index += 1

            if line_missing_branches:
                for missing_branch in line_missing_branches.split(','):
                    print(f'BRDA:{line_number},{0},{branch_index},{0}')
                    branch_index += 1

        print(f'DA:{line_number},{line_hits}')

    print('end_of_record')