Ausgabe der neuen DB Einträge

venv/lib/python3.9/site-packages/twisted/python/test/modules_helpers.py

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+# Copyright (c) Twisted Matrix Laboratories.
+# See LICENSE for details.
+
+"""
+Facilities for helping test code which interacts with Python's module system
+to load code.
+"""
+
+from __future__ import division, absolute_import
+
+import sys
+
+from twisted.python.filepath import FilePath
+
+
+class TwistedModulesMixin(object):
+    """
+    A mixin for C{twisted.trial.unittest.SynchronousTestCase} providing useful
+    methods for manipulating Python's module system.
+    """
+
+    def replaceSysPath(self, sysPath):
+        """
+        Replace sys.path, for the duration of the test, with the given value.
+        """
+        originalSysPath = sys.path[:]
+        def cleanUpSysPath():
+            sys.path[:] = originalSysPath
+        self.addCleanup(cleanUpSysPath)
+        sys.path[:] = sysPath
+
+
+    def replaceSysModules(self, sysModules):
+        """
+        Replace sys.modules, for the duration of the test, with the given value.
+        """
+        originalSysModules = sys.modules.copy()
+        def cleanUpSysModules():
+            sys.modules.clear()
+            sys.modules.update(originalSysModules)
+        self.addCleanup(cleanUpSysModules)
+        sys.modules.clear()
+        sys.modules.update(sysModules)
+
+
+    def pathEntryWithOnePackage(self, pkgname="test_package"):
+        """
+        Generate a L{FilePath} with one package, named C{pkgname}, on it, and
+        return the L{FilePath} of the path entry.
+        """
+        entry = FilePath(self.mktemp())
+        pkg = entry.child("test_package")
+        pkg.makedirs()
+        pkg.child("__init__.py").setContent(b"")
+        return entry