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File Content: `Exceptions.py`

# -*- coding: utf-8 -*-

## Amazon S3 manager - Exceptions library
## Author: Michal Ludvig <michal@logix.cz>
##         http://www.logix.cz/michal
## License: GPL Version 2
## Copyright: TGRMN Software and contributors

from __future__ import absolute_import

from logging import debug, error
import sys
import S3.BaseUtils
import S3.Utils
from . import ExitCodes

if sys.version_info >= (3, 0):
    PY3 = True
    # In python 3, unicode -> str, and str -> bytes
    unicode = str
else:
    PY3 = False

## External exceptions

from ssl import SSLError as S3SSLError

try:
    from ssl import CertificateError as S3SSLCertificateError
except ImportError:
    class S3SSLCertificateError(Exception):
        pass


try:
    from xml.etree.ElementTree import ParseError as XmlParseError
except ImportError:
    # ParseError was only added in python2.7, before ET was raising ExpatError
    from xml.parsers.expat import ExpatError as XmlParseError


## s3cmd exceptions

class S3Exception(Exception):
    def __init__(self, message=""):
        self.message = S3.Utils.unicodise(message)

    def __str__(self):
        ## Don't return self.message directly because
        ## __unicode__() method could be overridden in subclasses!
        if PY3:
            return self.__unicode__()
        else:
            return S3.Utils.deunicodise(self.__unicode__())

    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 "headers" in response:
            for header in response["headers"]:
                debug("HttpHeader: %s: %s" % (header, response["headers"][header]))
        if "data" in response and response["data"]:
            try:
                tree = S3.BaseUtils.getTreeFromXml(response["data"])
            except XmlParseError:
                debug("Not an XML response")
            else:
                try:
                    self.info.update(self.parse_error_xml(tree))
                except Exception as e:
                    error("Error parsing xml: %s.  ErrorXML: %s" % (e, response["data"]))

        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)" % ("Code" in self.info and self.info["Code"] or self.reason))
        error_msg = self.info.get("Message")
        if error_msg:
            retval += (u": %s" % error_msg)
        return retval

    def get_error_code(self):
        if self.status in [301, 307]:
            return ExitCodes.EX_SERVERMOVED
        elif self.status in [400, 405, 411, 416, 417, 501, 504]:
            return ExitCodes.EX_SERVERERROR
        elif self.status == 403:
            return ExitCodes.EX_ACCESSDENIED
        elif self.status == 404:
            return ExitCodes.EX_NOTFOUND
        elif self.status == 409:
            return ExitCodes.EX_CONFLICT
        elif self.status == 412:
            return ExitCodes.EX_PRECONDITION
        elif self.status == 500:
            return ExitCodes.EX_SOFTWARE
        elif self.status in [429, 503]:
            return ExitCodes.EX_SERVICE
        else:
            return ExitCodes.EX_SOFTWARE

    @staticmethod
    def parse_error_xml(tree):
        info = {}
        error_node = tree
        if not error_node.tag == "Error":
            error_node = tree.find(".//Error")
        if error_node is not None:
            for child in error_node:
                if child.text != "":
                    debug("ErrorXML: " + child.tag + ": " + repr(child.text))
                    info[child.tag] = child.text
        else:
            raise S3ResponseError("Malformed error XML returned from remote server.")
        return info


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

Name	Size	Permission
__pycache__	---	0755
ACL.py	8332 bytes	0644
AccessLog.py	3353 bytes	0644
BaseUtils.py	9580 bytes	0644
BidirMap.py	1134 bytes	0644
CloudFront.py	34215 bytes	0644
Config.py	27140 bytes	0644
ConnMan.py	13023 bytes	0644
Crypto.py	11269 bytes	0644
Custom_httplib27.py	8180 bytes	0644
Custom_httplib3x.py	11505 bytes	0644
Exceptions.py	4628 bytes	0644
ExitCodes.py	2138 bytes	0644
FileDict.py	2447 bytes	0644
FileLists.py	26139 bytes	0644
HashCache.py	1957 bytes	0644
MultiPart.py	13630 bytes	0644
PkgInfo.py	665 bytes	0644
Progress.py	8286 bytes	0644
S3.py	92732 bytes	0644
S3Uri.py	7294 bytes	0644
SortedDict.py	2617 bytes	0644
Utils.py	11570 bytes	0644
__init__.py	24 bytes	0644

File Content: Exceptions.py

File Content: `Exceptions.py`