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class FFIError(Exception):
    __module__ = 'cffi'

class CDefError(Exception):
    __module__ = 'cffi'
    def __str__(self):
        try:
            current_decl = self.args[1]
            filename = current_decl.coord.file
            linenum = current_decl.coord.line
            prefix = '%s:%d: ' % (filename, linenum)
        except (AttributeError, TypeError, IndexError):
            prefix = ''
        return '%s%s' % (prefix, self.args[0])

class VerificationError(Exception):
    """ An error raised when verification fails
    """
    __module__ = 'cffi'

class VerificationMissing(Exception):
    """ An error raised when incomplete structures are passed into
    cdef, but no verification has been done
    """
    __module__ = 'cffi'

class PkgConfigError(Exception):
    """ An error raised for missing modules in pkg-config
    """
    __module__ = 'cffi'