338 lines
12 KiB
Python
338 lines
12 KiB
Python
"""Code coverage utilities."""
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from __future__ import (absolute_import, division, print_function)
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__metaclass__ = type
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import os
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import re
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from .target import (
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walk_module_targets,
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walk_compile_targets,
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)
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from .util import (
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display,
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ApplicationError,
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common_environment,
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ANSIBLE_TEST_DATA_ROOT,
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)
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from .util_common import (
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run_command,
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)
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from .config import (
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CoverageConfig,
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CoverageReportConfig,
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)
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from .executor import (
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Delegate,
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install_command_requirements,
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)
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from .data import (
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data_context,
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)
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COVERAGE_GROUPS = ('command', 'target', 'environment', 'version')
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COVERAGE_CONFIG_PATH = os.path.join(ANSIBLE_TEST_DATA_ROOT, 'coveragerc')
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def command_coverage_combine(args):
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"""Patch paths in coverage files and merge into a single file.
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:type args: CoverageConfig
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:rtype: list[str]
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"""
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coverage = initialize_coverage(args)
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modules = dict((t.module, t.path) for t in list(walk_module_targets()) if t.path.endswith('.py'))
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coverage_dir = os.path.join(data_context().results, 'coverage')
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coverage_files = [os.path.join(coverage_dir, f) for f in os.listdir(coverage_dir) if '=coverage.' in f]
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ansible_path = os.path.abspath('lib/ansible/') + '/'
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root_path = data_context().content.root + '/'
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counter = 0
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groups = {}
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if args.all or args.stub:
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sources = sorted(os.path.abspath(target.path) for target in walk_compile_targets())
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else:
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sources = []
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if args.stub:
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stub_group = []
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stub_groups = [stub_group]
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stub_line_limit = 500000
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stub_line_count = 0
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for source in sources:
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with open(source, 'r') as source_fd:
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source_line_count = len(source_fd.read().splitlines())
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stub_group.append(source)
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stub_line_count += source_line_count
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if stub_line_count > stub_line_limit:
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stub_line_count = 0
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stub_group = []
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stub_groups.append(stub_group)
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for stub_index, stub_group in enumerate(stub_groups):
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if not stub_group:
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continue
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groups['=stub-%02d' % (stub_index + 1)] = dict((source, set()) for source in stub_group)
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if data_context().content.collection:
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collection_search_re = re.compile(r'/%s/' % data_context().content.collection.directory)
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collection_sub_re = re.compile(r'^.*?/%s/' % data_context().content.collection.directory)
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else:
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collection_search_re = None
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collection_sub_re = None
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for coverage_file in coverage_files:
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counter += 1
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display.info('[%4d/%4d] %s' % (counter, len(coverage_files), coverage_file), verbosity=2)
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original = coverage.CoverageData()
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group = get_coverage_group(args, coverage_file)
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if group is None:
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display.warning('Unexpected name for coverage file: %s' % coverage_file)
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continue
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if os.path.getsize(coverage_file) == 0:
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display.warning('Empty coverage file: %s' % coverage_file)
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continue
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try:
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original.read_file(coverage_file)
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except Exception as ex: # pylint: disable=locally-disabled, broad-except
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display.error(u'%s' % ex)
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continue
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for filename in original.measured_files():
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arcs = set(original.arcs(filename) or [])
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if not arcs:
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# This is most likely due to using an unsupported version of coverage.
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display.warning('No arcs found for "%s" in coverage file: %s' % (filename, coverage_file))
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continue
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if '/ansible_modlib.zip/ansible/' in filename:
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# Rewrite the module_utils path from the remote host to match the controller. Ansible 2.6 and earlier.
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new_name = re.sub('^.*/ansible_modlib.zip/ansible/', ansible_path, filename)
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display.info('%s -> %s' % (filename, new_name), verbosity=3)
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filename = new_name
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elif collection_search_re and collection_search_re.search(filename):
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new_name = os.path.abspath(collection_sub_re.sub('', filename))
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display.info('%s -> %s' % (filename, new_name), verbosity=3)
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filename = new_name
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elif re.search(r'/ansible_[^/]+_payload\.zip/ansible/', filename):
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# Rewrite the module_utils path from the remote host to match the controller. Ansible 2.7 and later.
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new_name = re.sub(r'^.*/ansible_[^/]+_payload\.zip/ansible/', ansible_path, filename)
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display.info('%s -> %s' % (filename, new_name), verbosity=3)
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filename = new_name
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elif '/ansible_module_' in filename:
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# Rewrite the module path from the remote host to match the controller. Ansible 2.6 and earlier.
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module_name = re.sub('^.*/ansible_module_(?P<module>.*).py$', '\\g<module>', filename)
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if module_name not in modules:
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display.warning('Skipping coverage of unknown module: %s' % module_name)
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continue
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new_name = os.path.abspath(modules[module_name])
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display.info('%s -> %s' % (filename, new_name), verbosity=3)
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filename = new_name
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elif re.search(r'/ansible_[^/]+_payload(_[^/]+|\.zip)/__main__\.py$', filename):
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# Rewrite the module path from the remote host to match the controller. Ansible 2.7 and later.
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# AnsiballZ versions using zipimporter will match the `.zip` portion of the regex.
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# AnsiballZ versions not using zipimporter will match the `_[^/]+` portion of the regex.
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module_name = re.sub(r'^.*/ansible_(?P<module>[^/]+)_payload(_[^/]+|\.zip)/__main__\.py$', '\\g<module>', filename).rstrip('_')
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if module_name not in modules:
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display.warning('Skipping coverage of unknown module: %s' % module_name)
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continue
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new_name = os.path.abspath(modules[module_name])
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display.info('%s -> %s' % (filename, new_name), verbosity=3)
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filename = new_name
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elif re.search('^(/.*?)?/root/ansible/', filename):
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# Rewrite the path of code running on a remote host or in a docker container as root.
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new_name = re.sub('^(/.*?)?/root/ansible/', root_path, filename)
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display.info('%s -> %s' % (filename, new_name), verbosity=3)
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filename = new_name
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elif '/.ansible/test/tmp/' in filename:
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# Rewrite the path of code running from an integration test temporary directory.
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new_name = re.sub(r'^.*/\.ansible/test/tmp/[^/]+/', root_path, filename)
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display.info('%s -> %s' % (filename, new_name), verbosity=3)
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filename = new_name
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if group not in groups:
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groups[group] = {}
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arc_data = groups[group]
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if filename not in arc_data:
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arc_data[filename] = set()
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arc_data[filename].update(arcs)
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output_files = []
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invalid_path_count = 0
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invalid_path_chars = 0
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coverage_file = os.path.join(data_context().results, 'coverage', 'coverage')
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for group in sorted(groups):
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arc_data = groups[group]
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updated = coverage.CoverageData()
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for filename in arc_data:
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if not os.path.isfile(filename):
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if collection_search_re and collection_search_re.search(filename) and os.path.basename(filename) == '__init__.py':
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# the collection loader uses implicit namespace packages, so __init__.py does not need to exist on disk
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continue
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invalid_path_count += 1
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invalid_path_chars += len(filename)
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if args.verbosity > 1:
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display.warning('Invalid coverage path: %s' % filename)
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continue
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updated.add_arcs({filename: list(arc_data[filename])})
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if args.all:
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updated.add_arcs(dict((source, []) for source in sources))
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if not args.explain:
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output_file = coverage_file + group
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updated.write_file(output_file)
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output_files.append(output_file)
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if invalid_path_count > 0:
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display.warning('Ignored %d characters from %d invalid coverage path(s).' % (invalid_path_chars, invalid_path_count))
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return sorted(output_files)
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def command_coverage_report(args):
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"""
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:type args: CoverageReportConfig
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"""
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output_files = command_coverage_combine(args)
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for output_file in output_files:
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if args.group_by or args.stub:
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display.info('>>> Coverage Group: %s' % ' '.join(os.path.basename(output_file).split('=')[1:]))
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options = []
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if args.show_missing:
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options.append('--show-missing')
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if args.include:
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options.extend(['--include', args.include])
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if args.omit:
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options.extend(['--omit', args.omit])
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env = common_environment()
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env.update(dict(COVERAGE_FILE=output_file))
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run_command(args, env=env, cmd=['coverage', 'report', '--rcfile', COVERAGE_CONFIG_PATH] + options)
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def command_coverage_html(args):
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"""
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:type args: CoverageConfig
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"""
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output_files = command_coverage_combine(args)
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for output_file in output_files:
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dir_name = os.path.join(data_context().results, 'reports', os.path.basename(output_file))
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env = common_environment()
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env.update(dict(COVERAGE_FILE=output_file))
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run_command(args, env=env, cmd=['coverage', 'html', '--rcfile', COVERAGE_CONFIG_PATH, '-i', '-d', dir_name])
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def command_coverage_xml(args):
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"""
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:type args: CoverageConfig
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"""
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output_files = command_coverage_combine(args)
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for output_file in output_files:
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xml_name = os.path.join(data_context().results, 'reports', '%s.xml' % os.path.basename(output_file))
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env = common_environment()
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env.update(dict(COVERAGE_FILE=output_file))
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run_command(args, env=env, cmd=['coverage', 'xml', '--rcfile', COVERAGE_CONFIG_PATH, '-i', '-o', xml_name])
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def command_coverage_erase(args):
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"""
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:type args: CoverageConfig
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"""
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initialize_coverage(args)
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coverage_dir = os.path.join(data_context().results, 'coverage')
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for name in os.listdir(coverage_dir):
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if not name.startswith('coverage') and '=coverage.' not in name:
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continue
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path = os.path.join(coverage_dir, name)
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if not args.explain:
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os.remove(path)
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def initialize_coverage(args):
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"""
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:type args: CoverageConfig
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:rtype: coverage
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"""
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if args.delegate:
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raise Delegate()
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if args.requirements:
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install_command_requirements(args)
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try:
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import coverage
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except ImportError:
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coverage = None
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if not coverage:
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raise ApplicationError('You must install the "coverage" python module to use this command.')
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return coverage
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def get_coverage_group(args, coverage_file):
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"""
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:type args: CoverageConfig
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:type coverage_file: str
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:rtype: str
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"""
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parts = os.path.basename(coverage_file).split('=', 4)
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if len(parts) != 5 or not parts[4].startswith('coverage.'):
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return None
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names = dict(
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command=parts[0],
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target=parts[1],
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environment=parts[2],
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version=parts[3],
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)
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group = ''
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for part in COVERAGE_GROUPS:
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if part in args.group_by:
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group += '=%s' % names[part]
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return group
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