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"""Exceptions used throughout the package.
Submodules of packaging may raise exceptions defined in this module as
well as standard exceptions; in particular, SystemExit is usually raised
for errors that are obviously the end-user's fault (e.g. bad
command-line arguments).
"""
class PackagingError(Exception):
"""The root of all Packaging evil."""
class PackagingModuleError(PackagingError):
"""Unable to load an expected module, or to find an expected class
within some module (in particular, command modules and classes)."""
class PackagingClassError(PackagingError):
"""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."""
class PackagingGetoptError(PackagingError):
"""The option table provided to 'fancy_getopt()' is bogus."""
class PackagingArgError(PackagingError):
"""Raised by fancy_getopt in response to getopt.error -- ie. an
error in the command line usage."""
class PackagingFileError(PackagingError):
"""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."""
class PackagingOptionError(PackagingError):
"""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 PackagingSetupError instead."""
class PackagingSetupError(PackagingError):
"""For errors that can be definitely blamed on the setup script,
such as invalid keyword arguments to 'setup()'."""
class PackagingPlatformError(PackagingError):
"""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."""
class PackagingExecError(PackagingError):
"""Any problems executing an external program (such as the C
compiler, when compiling C files)."""
class PackagingInternalError(PackagingError):
"""Internal inconsistencies or impossibilities (obviously, this
should never be seen if the code is working!)."""
class PackagingTemplateError(PackagingError):
"""Syntax error in a file list template."""
class PackagingPyPIError(PackagingError):
"""Any problem occuring during using the indexes."""
# 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."""
class MetadataMissingError(PackagingError):
"""A required metadata is missing"""
class MetadataConflictError(PackagingError):
"""Attempt to read or write metadata fields that are conflictual."""
class MetadataUnrecognizedVersionError(PackagingError):
"""Unknown metadata version number."""
class IrrationalVersionError(Exception):
"""This is an irrational version."""
pass
class HugeMajorVersionNumError(IrrationalVersionError):
"""An irrational version because the major version number is huge
(often because a year or date was used).
See `error_on_huge_major_num` option in `NormalizedVersion` for details.
This guard can be disabled by setting that option False.
"""
pass
class InstallationException(Exception):
"""Base exception for installation scripts"""
class InstallationConflict(InstallationException):
"""Raised when a conflict is detected"""
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