mirror of
https://github.com/ansible-collections/community.general.git
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3e4be156d7
Without this, changing a large number of files results in target processing taking a very long time due to repeatedly compiling the same patterns in a loop over many targets.
534 lines
16 KiB
Python
534 lines
16 KiB
Python
"""Test target identification, iteration and inclusion/exclusion."""
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from __future__ import absolute_import, print_function
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import os
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import re
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import errno
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import itertools
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import abc
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from lib.util import ApplicationError
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MODULE_EXTENSIONS = '.py', '.ps1'
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def find_target_completion(target_func, prefix):
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"""
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:type target_func: () -> collections.Iterable[CompletionTarget]
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:type prefix: unicode
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:rtype: list[str]
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"""
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try:
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targets = target_func()
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prefix = prefix.encode()
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short = os.environ.get('COMP_TYPE') == '63' # double tab completion from bash
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matches = walk_completion_targets(targets, prefix, short)
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return matches
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except Exception as ex: # pylint: disable=locally-disabled, broad-except
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return [str(ex)]
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def walk_completion_targets(targets, prefix, short=False):
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"""
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:type targets: collections.Iterable[CompletionTarget]
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:type prefix: str
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:type short: bool
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:rtype: tuple[str]
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"""
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aliases = set(alias for target in targets for alias in target.aliases)
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if prefix.endswith('/') and prefix in aliases:
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aliases.remove(prefix)
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matches = [alias for alias in aliases if alias.startswith(prefix) and '/' not in alias[len(prefix):-1]]
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if short:
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offset = len(os.path.dirname(prefix))
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if offset:
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offset += 1
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relative_matches = [match[offset:] for match in matches if len(match) > offset]
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if len(relative_matches) > 1:
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matches = relative_matches
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return tuple(sorted(matches))
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def walk_internal_targets(targets, includes=None, excludes=None, requires=None):
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"""
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:type targets: collections.Iterable[T <= CompletionTarget]
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:type includes: list[str]
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:type excludes: list[str]
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:type requires: list[str]
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:rtype: tuple[T <= CompletionTarget]
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"""
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targets = tuple(targets)
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include_targets = sorted(filter_targets(targets, includes, errors=True, directories=False), key=lambda t: t.name)
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if requires:
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require_targets = set(filter_targets(targets, requires, errors=True, directories=False))
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include_targets = [target for target in include_targets if target in require_targets]
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if excludes:
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list(filter_targets(targets, excludes, errors=True, include=False, directories=False))
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internal_targets = set(filter_targets(include_targets, excludes, errors=False, include=False, directories=False))
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return tuple(sorted(internal_targets, key=lambda t: t.name))
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def walk_external_targets(targets, includes=None, excludes=None, requires=None):
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"""
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:type targets: collections.Iterable[CompletionTarget]
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:type includes: list[str]
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:type excludes: list[str]
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:type requires: list[str]
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:rtype: tuple[CompletionTarget], tuple[CompletionTarget]
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"""
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targets = tuple(targets)
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if requires:
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include_targets = list(filter_targets(targets, includes, errors=True, directories=False))
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require_targets = set(filter_targets(targets, requires, errors=True, directories=False))
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includes = [target.name for target in include_targets if target in require_targets]
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if includes:
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include_targets = sorted(filter_targets(targets, includes, errors=True), key=lambda t: t.name)
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else:
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include_targets = []
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else:
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include_targets = sorted(filter_targets(targets, includes, errors=True), key=lambda t: t.name)
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if excludes:
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exclude_targets = sorted(filter_targets(targets, excludes, errors=True), key=lambda t: t.name)
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else:
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exclude_targets = []
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previous = None
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include = []
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for target in include_targets:
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if isinstance(previous, DirectoryTarget) and isinstance(target, DirectoryTarget) \
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and previous.name == target.name:
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previous.modules = tuple(set(previous.modules) | set(target.modules))
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else:
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include.append(target)
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previous = target
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previous = None
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exclude = []
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for target in exclude_targets:
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if isinstance(previous, DirectoryTarget) and isinstance(target, DirectoryTarget) \
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and previous.name == target.name:
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previous.modules = tuple(set(previous.modules) | set(target.modules))
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else:
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exclude.append(target)
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previous = target
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return tuple(include), tuple(exclude)
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def filter_targets(targets, patterns, include=True, directories=True, errors=True):
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"""
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:type targets: collections.Iterable[CompletionTarget]
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:type patterns: list[str]
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:type include: bool
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:type directories: bool
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:type errors: bool
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:rtype: collections.Iterable[CompletionTarget]
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"""
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unmatched = set(patterns or ())
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compiled_patterns = dict((p, re.compile('^%s$' % p)) for p in patterns) if patterns else None
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for target in targets:
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matched_directories = set()
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match = False
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if patterns:
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for alias in target.aliases:
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for pattern in patterns:
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if compiled_patterns[pattern].match(alias):
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match = True
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try:
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unmatched.remove(pattern)
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except KeyError:
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pass
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if alias.endswith('/'):
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if target.base_path and len(target.base_path) > len(alias):
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matched_directories.add(target.base_path)
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else:
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matched_directories.add(alias)
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elif include:
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match = True
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if not target.base_path:
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matched_directories.add('.')
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for alias in target.aliases:
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if alias.endswith('/'):
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if target.base_path and len(target.base_path) > len(alias):
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matched_directories.add(target.base_path)
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else:
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matched_directories.add(alias)
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if match != include:
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continue
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if directories and matched_directories:
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yield DirectoryTarget(sorted(matched_directories, key=len)[0], target.modules)
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else:
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yield target
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if errors:
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if unmatched:
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raise TargetPatternsNotMatched(unmatched)
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def walk_module_targets():
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"""
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:rtype: collections.Iterable[TestTarget]
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"""
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path = 'lib/ansible/modules'
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for target in walk_test_targets(path, path + '/', extensions=MODULE_EXTENSIONS):
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if not target.module:
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continue
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yield target
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def walk_units_targets():
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"""
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:rtype: collections.Iterable[TestTarget]
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"""
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return walk_test_targets(path='test/units', module_path='test/units/modules/', extensions=('.py',), prefix='test_')
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def walk_compile_targets():
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"""
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:rtype: collections.Iterable[TestTarget]
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"""
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return walk_test_targets(module_path='lib/ansible/modules/', extensions=('.py',))
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def walk_sanity_targets():
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"""
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:rtype: collections.Iterable[TestTarget]
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"""
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return walk_test_targets(module_path='lib/ansible/modules/')
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def walk_posix_integration_targets():
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"""
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:rtype: collections.Iterable[IntegrationTarget]
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"""
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for target in walk_integration_targets():
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if 'posix/' in target.aliases:
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yield target
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def walk_network_integration_targets():
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"""
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:rtype: collections.Iterable[IntegrationTarget]
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"""
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for target in walk_integration_targets():
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if 'network/' in target.aliases:
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yield target
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def walk_windows_integration_targets():
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"""
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:rtype: collections.Iterable[IntegrationTarget]
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"""
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for target in walk_integration_targets():
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if 'windows/' in target.aliases:
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yield target
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def walk_integration_targets():
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"""
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:rtype: collections.Iterable[IntegrationTarget]
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"""
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path = 'test/integration/targets'
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modules = frozenset(t.module for t in walk_module_targets())
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paths = sorted(os.path.join(path, p) for p in os.listdir(path))
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prefixes = load_integration_prefixes()
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for path in paths:
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yield IntegrationTarget(path, modules, prefixes)
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def load_integration_prefixes():
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"""
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:rtype: dict[str, str]
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"""
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path = 'test/integration'
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names = sorted(f for f in os.listdir(path) if os.path.splitext(f)[0] == 'target-prefixes')
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prefixes = {}
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for name in names:
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prefix = os.path.splitext(name)[1][1:]
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with open(os.path.join(path, name), 'r') as prefix_fd:
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prefixes.update(dict((k, prefix) for k in prefix_fd.read().splitlines()))
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return prefixes
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def walk_test_targets(path=None, module_path=None, extensions=None, prefix=None):
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"""
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:type path: str | None
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:type module_path: str | None
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:type extensions: tuple[str] | None
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:type prefix: str | None
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:rtype: collections.Iterable[TestTarget]
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"""
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for root, _, file_names in os.walk(path or '.', topdown=False):
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if root.endswith('/__pycache__'):
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continue
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if '/.tox/' in root:
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continue
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if path is None:
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root = root[2:]
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if root.startswith('.'):
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continue
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for file_name in file_names:
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name, ext = os.path.splitext(os.path.basename(file_name))
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if name.startswith('.'):
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continue
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if extensions and ext not in extensions:
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continue
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if prefix and not name.startswith(prefix):
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continue
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yield TestTarget(os.path.join(root, file_name), module_path, prefix, path)
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class CompletionTarget(object):
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"""Command-line argument completion target base class."""
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__metaclass__ = abc.ABCMeta
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def __init__(self):
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self.name = None
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self.path = None
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self.base_path = None
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self.modules = tuple()
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self.aliases = tuple()
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def __eq__(self, other):
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if isinstance(other, CompletionTarget):
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return self.__repr__() == other.__repr__()
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else:
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return False
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def __ne__(self, other):
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return not self.__eq__(other)
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def __lt__(self, other):
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return self.name.__lt__(other.name)
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def __gt__(self, other):
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return self.name.__gt__(other.name)
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def __hash__(self):
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return hash(self.__repr__())
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def __repr__(self):
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if self.modules:
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return '%s (%s)' % (self.name, ', '.join(self.modules))
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return self.name
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class DirectoryTarget(CompletionTarget):
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"""Directory target."""
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def __init__(self, path, modules):
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"""
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:type path: str
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:type modules: tuple[str]
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"""
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super(DirectoryTarget, self).__init__()
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self.name = path
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self.path = path
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self.modules = modules
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class TestTarget(CompletionTarget):
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"""Generic test target."""
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def __init__(self, path, module_path, module_prefix, base_path):
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"""
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:type path: str
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:type module_path: str | None
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:type module_prefix: str | None
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:type base_path: str
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"""
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super(TestTarget, self).__init__()
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self.name = path
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self.path = path
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self.base_path = base_path + '/' if base_path else None
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name, ext = os.path.splitext(os.path.basename(self.path))
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if module_path and path.startswith(module_path) and name != '__init__' and ext in MODULE_EXTENSIONS:
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self.module = name[len(module_prefix or ''):].lstrip('_')
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self.modules = self.module,
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else:
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self.module = None
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self.modules = tuple()
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aliases = [self.path, self.module]
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parts = self.path.split('/')
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for i in range(1, len(parts)):
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alias = '%s/' % '/'.join(parts[:i])
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aliases.append(alias)
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aliases = [a for a in aliases if a]
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self.aliases = tuple(sorted(aliases))
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class IntegrationTarget(CompletionTarget):
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"""Integration test target."""
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non_posix = frozenset((
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'network',
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'windows',
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))
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categories = frozenset(non_posix | frozenset((
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'posix',
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'module',
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'needs',
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'skip',
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)))
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def __init__(self, path, modules, prefixes):
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"""
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:type path: str
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:type modules: frozenset[str]
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:type prefixes: dict[str, str]
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"""
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super(IntegrationTarget, self).__init__()
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self.name = os.path.basename(path)
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self.path = path
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# script_path and type
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contents = sorted(os.listdir(path))
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runme_files = tuple(c for c in contents if os.path.splitext(c)[0] == 'runme')
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test_files = tuple(c for c in contents if os.path.splitext(c)[0] == 'test')
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self.script_path = None
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if runme_files:
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self.type = 'script'
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self.script_path = os.path.join(path, runme_files[0])
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elif test_files:
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self.type = 'special'
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elif os.path.isdir(os.path.join(path, 'tasks')):
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self.type = 'role'
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else:
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self.type = 'unknown'
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# static_aliases
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try:
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with open(os.path.join(path, 'aliases'), 'r') as aliases_file:
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static_aliases = tuple(aliases_file.read().splitlines())
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except IOError as ex:
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if ex.errno != errno.ENOENT:
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raise
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static_aliases = tuple()
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# modules
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if self.name in modules:
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module = self.name
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elif self.name.startswith('win_') and self.name[4:] in modules:
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module = self.name[4:]
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else:
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module = None
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self.modules = tuple(sorted(a for a in static_aliases + tuple([module]) if a in modules))
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# groups
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groups = [self.type]
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groups += [a for a in static_aliases if a not in modules]
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groups += ['module/%s' % m for m in self.modules]
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if not self.modules:
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groups.append('non_module')
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if 'destructive' not in groups:
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groups.append('non_destructive')
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if '_' in self.name:
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prefix = self.name[:self.name.find('_')]
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else:
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prefix = None
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if prefix in prefixes:
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group = prefixes[prefix]
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if group != prefix:
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group = '%s/%s' % (group, prefix)
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groups.append(group)
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if self.name.startswith('win_'):
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groups.append('windows')
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if self.name.startswith('connection_'):
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groups.append('connection')
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if self.name.startswith('setup_') or self.name.startswith('prepare_'):
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groups.append('hidden')
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if self.type not in ('script', 'role'):
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groups.append('hidden')
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for group in itertools.islice(groups, 0, len(groups)):
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if '/' in group:
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parts = group.split('/')
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for i in range(1, len(parts)):
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groups.append('/'.join(parts[:i]))
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if not any(g in self.non_posix for g in groups):
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groups.append('posix')
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# aliases
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aliases = [self.name] + \
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['%s/' % g for g in groups] + \
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['%s/%s' % (g, self.name) for g in groups if g not in self.categories]
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if 'hidden/' in aliases:
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aliases = ['hidden/'] + ['hidden/%s' % a for a in aliases if not a.startswith('hidden/')]
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self.aliases = tuple(sorted(set(aliases)))
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class TargetPatternsNotMatched(ApplicationError):
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"""One or more targets were not matched when a match was required."""
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def __init__(self, patterns):
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"""
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:type patterns: set[str]
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"""
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self.patterns = sorted(patterns)
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if len(patterns) > 1:
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message = 'Target patterns not matched:\n%s' % '\n'.join(self.patterns)
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else:
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message = 'Target pattern not matched: %s' % self.patterns[0]
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super(TargetPatternsNotMatched, self).__init__(message)
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