Moved the CCompiler exceptions here, to avoid having to import ccompiler.py

  just to get a little exception class.
No more string-based exceptions.

Lib/distutils/errors.py

@@ -12,82 +12,81 @@ symbols whose names start with "Distutils" and end with "Error"."""
 
 __revision__ = "$Id$"
 
-import types
-
-if type (RuntimeError) is types.ClassType:
-
-    class DistutilsError (Exception):
-        """The root of all Distutils evil."""
-        pass
-
-    class DistutilsModuleError (DistutilsError):
-        """Unable to load an expected module, or to find an expected class
-        within some module (in particular, command modules and classes)."""
-        pass
-
-    class DistutilsClassError (DistutilsError):
-        """Some command class (or possibly distribution class, if anyone
-        feels a need to subclass Distribution) is found not to be holding
-        up its end of the bargain, ie. implementing some part of the
-        "command "interface."""
-        pass
-
-    class DistutilsGetoptError (DistutilsError):
-        """The option table provided to 'fancy_getopt()' is bogus."""
-        pass
-
-    class DistutilsArgError (DistutilsError):
-        """Raised by fancy_getopt in response to getopt.error -- ie. an
-        error in the command line usage."""
-        pass
-
-    class DistutilsFileError (DistutilsError):
-        """Any problems in the filesystem: expected file not found, etc.
-        Typically this is for problems that we detect before IOError or
-        OSError could be raised."""
-        pass
-
-    class DistutilsOptionError (DistutilsError):
-        """Syntactic/semantic errors in command options, such as use of
-        mutually conflicting options, or inconsistent options,
-        badly-spelled values, etc.  No distinction is made between option
-        values originating in the setup script, the command line, config
-        files, or what-have-you -- but if we *know* something originated in
-        the setup script, we'll raise DistutilsSetupError instead."""
-        pass
-
-    class DistutilsSetupError (DistutilsError):
-        """For errors that can be definitely blamed on the setup script,
-        such as invalid keyword arguments to 'setup()'."""
-        pass
-
-    class DistutilsPlatformError (DistutilsError):
-        """We don't know how to do something on the current platform (but
-        we do know how to do it on some platform) -- eg. trying to compile
-        C files on a platform not supported by a CCompiler subclass."""
-        pass
-
-    class DistutilsExecError (DistutilsError):
-        """Any problems executing an external program (such as the C
-        compiler, when compiling C files)."""
-        pass
-
-    class DistutilsInternalError (DistutilsError):
-        """Internal inconsistencies or impossibilities (obviously, this
-        should never be seen if the code is working!)."""
-        pass
-
-# String-based exceptions
-else:
-    DistutilsError = 'DistutilsError'
-    DistutilsModuleError = 'DistutilsModuleError'
-    DistutilsClassError = 'DistutilsClassError'
-    DistutilsGetoptError = 'DistutilsGetoptError'
-    DistutilsArgError = 'DistutilsArgError'
-    DistutilsFileError = 'DistutilsFileError'
-    DistutilsOptionError = 'DistutilsOptionError'
-    DistutilsPlatformError = 'DistutilsPlatformError'
-    DistutilsExecError = 'DistutilsExecError'
-    DistutilsInternalError = 'DistutilsInternalError'
-    
-del types
+class DistutilsError (Exception):
+    """The root of all Distutils evil."""
+    pass
+
+class DistutilsModuleError (DistutilsError):
+    """Unable to load an expected module, or to find an expected class
+    within some module (in particular, command modules and classes)."""
+    pass
+
+class DistutilsClassError (DistutilsError):
+    """Some command class (or possibly distribution class, if anyone
+    feels a need to subclass Distribution) is found not to be holding
+    up its end of the bargain, ie. implementing some part of the
+    "command "interface."""
+    pass
+
+class DistutilsGetoptError (DistutilsError):
+    """The option table provided to 'fancy_getopt()' is bogus."""
+    pass
+
+class DistutilsArgError (DistutilsError):
+    """Raised by fancy_getopt in response to getopt.error -- ie. an
+    error in the command line usage."""
+    pass
+
+class DistutilsFileError (DistutilsError):
+    """Any problems in the filesystem: expected file not found, etc.
+    Typically this is for problems that we detect before IOError or
+    OSError could be raised."""
+    pass
+
+class DistutilsOptionError (DistutilsError):
+    """Syntactic/semantic errors in command options, such as use of
+    mutually conflicting options, or inconsistent options,
+    badly-spelled values, etc.  No distinction is made between option
+    values originating in the setup script, the command line, config
+    files, or what-have-you -- but if we *know* something originated in
+    the setup script, we'll raise DistutilsSetupError instead."""
+    pass
+
+class DistutilsSetupError (DistutilsError):
+    """For errors that can be definitely blamed on the setup script,
+    such as invalid keyword arguments to 'setup()'."""
+    pass
+
+class DistutilsPlatformError (DistutilsError):
+    """We don't know how to do something on the current platform (but
+    we do know how to do it on some platform) -- eg. trying to compile
+    C files on a platform not supported by a CCompiler subclass."""
+    pass
+
+class DistutilsExecError (DistutilsError):
+    """Any problems executing an external program (such as the C
+    compiler, when compiling C files)."""
+    pass
+
+class DistutilsInternalError (DistutilsError):
+    """Internal inconsistencies or impossibilities (obviously, this
+    should never be seen if the code is working!)."""
+    pass
+
+
+# Exception classes used by the CCompiler implementation classes
+class CCompilerError (Exception):
+    """Some compile/link operation failed."""
+
+class CompileError (CCompilerError):
+    """Failure to compile one or more C/C++ source files."""
+
+class LibError (CCompilerError):
+    """Failure to create a static library from one or more C/C++ object
+    files."""
+
+class LinkError (CCompilerError):
+    """Failure to link one or more C/C++ object files into an executable
+    or shared library file."""
+
+