Coverage for tests/test_000_emcd_projects/__init__.py: 100%

1# vim: set filetype=python fileencoding=utf-8: 

2# -*- coding: utf-8 -*- 

3 

4#============================================================================# 

5# # 

6# Licensed under the Apache License, Version 2.0 (the "License"); # 

7# you may not use this file except in compliance with the License. # 

8# You may obtain a copy of the License at # 

9# # 

10# http://www.apache.org/licenses/LICENSE-2.0 # 

11# # 

12# Unless required by applicable law or agreed to in writing, software # 

13# distributed under the License is distributed on an "AS IS" BASIS, # 

14# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. # 

15# See the License for the specific language governing permissions and # 

16# limitations under the License. # 

17# # 

18#============================================================================# 

19 

20 

21''' Package of tests. 

22 

23 Common imports, constants, and utilities for tests. 

24''' 

25 

26 

27from types import MappingProxyType as DictionaryProxy 

28 

29 

30PACKAGE_NAME = 'emcd_projects' 

31PACKAGES_NAMES = ( PACKAGE_NAME, ) 

32 

33 

34_modules_cache = { } 

35def cache_import_module( qname ): 

36 ''' Imports module from package by name and caches it. ''' 

37 from importlib import import_module 

38 package_name, *maybe_module_name = qname.rsplit( '.', maxsplit = 1 ) 

39 if not maybe_module_name: arguments = ( qname, ) 

40 else: arguments = ( f".{maybe_module_name[0]}", package_name, ) 

41 if qname not in _modules_cache: 

42 _modules_cache[ qname ] = import_module( *arguments ) 

43 return _modules_cache[ qname ] 

44 

45 

46def _discover_module_names( package_name ): 

47 from pathlib import Path 

48 package = cache_import_module( package_name ) 

49 return tuple( 

50 path.stem 

51 for path in Path( package.__file__ ).parent.glob( '*.py' ) 

52 if '__init__.py' != path.name and path.is_file( ) ) 

53 

54 

55MODULES_NAMES_BY_PACKAGE_NAME = DictionaryProxy( { 

56 name: _discover_module_names( name ) for name in PACKAGES_NAMES } ) 

57PACKAGES_NAMES_BY_MODULE_QNAME = DictionaryProxy( { 

58 f"{subpackage_name}.{module_name}": subpackage_name 

59 for subpackage_name in PACKAGES_NAMES 

60 for module_name in MODULES_NAMES_BY_PACKAGE_NAME[ subpackage_name ] } ) 

61MODULES_QNAMES = tuple( PACKAGES_NAMES_BY_MODULE_QNAME.keys( ) ) 

62MODULES_NAMES_BY_MODULE_QNAME = DictionaryProxy( { 

63 name: name.rsplit( '.', maxsplit = 1 )[ -1 ] 

64 for name in PACKAGES_NAMES_BY_MODULE_QNAME.keys( ) } )