--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/planemo/lib/python3.7/site-packages/galaxy/exceptions/error_codes.py	Fri Jul 31 00:18:57 2020 -0400
@@ -0,0 +1,50 @@
+"""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."
+
+
+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