Source code for galaxy.exceptions.error_codes

"""Defines the :class:`ErrorCode` class and instantiates concrete objects from JSON.

See the file error_codes.json for actual error code descriptions.
"""
from json import loads

from pkg_resources import resource_string

from galaxy.util import unicodify


# Error codes are provided as a convience to Galaxy API clients, but at this
# time they do represent part of the more stable interface. They can change
# without warning between releases.
UNKNOWN_ERROR_MESSAGE = "Unknown error occurred while processing request."


[docs]class ErrorCode(object): """Small class allowing object representation for error descriptions loaded from JSON.""" def __init__(self, code, default_error_message): """Construct a :class:`ErrorCode` from supplied integer and error message.""" self.code = code self.default_error_message = default_error_message or UNKNOWN_ERROR_MESSAGE def __str__(self): """Return the error code message.""" return str(self.default_error_message) def __repr__(self): """Return object representation of this error code.""" return "ErrorCode[code=%d,message=%s]" % (self.code, str(self.default_error_message)) def __int__(self): """Return the error code integer.""" return int(self.code)
def _from_dict(entry): """Build a :class:`ErrorCode` object from a JSON entry.""" name = entry.get("name") code = entry.get("code") message = entry.get("message") return (name, ErrorCode(code, message)) error_codes_json = unicodify(resource_string(__name__, 'error_codes.json')) for entry in loads(error_codes_json): name, error_code_obj = _from_dict(entry) globals()[name] = error_code_obj