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## Amazon S3 manager - Exceptions library
## Author: Michal Ludvig <michal@logix.cz>
## http://www.logix.cz/michal
## License: GPL Version 2
from Utils import getTreeFromXml, unicodise, deunicodise
from logging import debug, info, warning, error
try:
import xml.etree.ElementTree as ET
except ImportError:
import elementtree.ElementTree as ET
class S3Exception(Exception):
def __init__(self, message = ""):
self.message = unicodise(message)
def __str__(self):
## Call unicode(self) instead of self.message because
## __unicode__() method could be overriden in subclasses!
return deunicodise(unicode(self))
def __unicode__(self):
return self.message
## (Base)Exception.message has been deprecated in Python 2.6
def _get_message(self):
return self._message
def _set_message(self, message):
self._message = message
message = property(_get_message, _set_message)
class S3Error (S3Exception):
def __init__(self, response):
self.status = response["status"]
self.reason = response["reason"]
self.info = {
"Code" : "",
"Message" : "",
"Resource" : ""
}
debug("S3Error: %s (%s)" % (self.status, self.reason))
if response.has_key("headers"):
for header in response["headers"]:
debug("HttpHeader: %s: %s" % (header, response["headers"][header]))
if response.has_key("data") and response["data"]:
tree = getTreeFromXml(response["data"])
error_node = tree
if not error_node.tag == "Error":
error_node = tree.find(".//Error")
for child in error_node.getchildren():
if child.text != "":
debug("ErrorXML: " + child.tag + ": " + repr(child.text))
self.info[child.tag] = child.text
self.code = self.info["Code"]
self.message = self.info["Message"]
self.resource = self.info["Resource"]
def __unicode__(self):
retval = u"%d " % (self.status)
retval += (u"(%s)" % (self.info.has_key("Code") and self.info["Code"] or self.reason))
if self.info.has_key("Message"):
retval += (u": %s" % self.info["Message"])
return retval
class CloudFrontError(S3Error):
pass
class S3UploadError(S3Exception):
pass
class S3DownloadError(S3Exception):
pass
class S3RequestError(S3Exception):
pass
class S3ResponseError(S3Exception):
pass
class InvalidFileError(S3Exception):
pass
class ParameterError(S3Exception):
pass
# vim:et:ts=4:sts=4:ai
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