Move compiler execeptions to their package.

distutils/compilers/C/errors.py

@@ -0,0 +1,24 @@
+class Error(Exception):
+    """Some compile/link operation failed."""
+
+
+class PreprocessError(Error):
+    """Failure to preprocess one or more C/C++ files."""
+
+
+class CompileError(Error):
+    """Failure to compile one or more C/C++ source files."""
+
+
+class LibError(Error):
+    """Failure to create a static library from one or more C/C++ object
+    files."""
+
+
+class LinkError(Error):
+    """Failure to link one or more C/C++ object files into an executable
+    or shared library file."""
+
+
+class UnknownFileType(Error):
+    """Attempt to process an unknown file type."""

distutils/errors.py

@@ -8,6 +8,20 @@
 This module is safe to use in "from ... import *" mode; it only exports
 symbols whose names start with "Distutils" and end with "Error"."""
 
+# compiler exceptions aliased for compatibility
+from .compilers.C.errors import (
+    CompileError,  # noqa: F401
+    LibError,  # noqa: F401
+    LinkError,  # noqa: F401
+    PreprocessError,  # noqa: F401
+)
+from .compilers.C.errors import (
+    Error as CCompilerError,  # noqa: F401
+)
+from .compilers.C.errors import (
+    UnknownFileType as UnknownFileError,  # noqa: F401
+)
+
 
 class DistutilsError(Exception):
     """The root of all Distutils evil."""
@@ -98,30 +112,3 @@ class DistutilsTemplateError(DistutilsError):
 
 class DistutilsByteCompileError(DistutilsError):
     """Byte compile error."""
-
-
-# Exception classes used by the CCompiler implementation classes
-class CCompilerError(Exception):
-    """Some compile/link operation failed."""
-
-
-class PreprocessError(CCompilerError):
-    """Failure to preprocess one or more C/C++ files."""
-
-
-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."""
-
-
-class UnknownFileError(CCompilerError):
-    """Attempt to process an unknown file type."""