pdorrell / keevalbak

Python backup classes to backup files to key/value store, such as Amazon S3

Philip Dorrell (author)
Sun Jul 27 02:42:09 -0700 2008
commit  8165961524821f57743d6c121a1b77d16c6d3da7
tree    f4c108b8babf5f5f38be0597a5262bea3fd71837
parent  bb1f92b7fb00298b4eae15bed1157fc2204c75c0
keevalbak / keevalbak / S3BucketMapExample.py
100644 78 lines (62 sloc) 3.108 kb
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# Copyright (c) 2008 Philip Dorrell, http://www.1729.com/
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
# THE SOFTWARE.
 
from s3bucketmap import S3BucketMap
import sys
 
def testContains(bucketMap, key):
    print "%s in bucket = %r" % (key, key in bucketMap)
    
def makeBucketMapFromSysArgvOrLocalEnv(prefix = ""):
    args = sys.argv[1:]
    if len(args) == 0:
        print "Looking for bucket args in module localenv ..."
        # For this to work, you need to define a localenv module that includes the required data ...
        import localenv.s3
        accessKey = localenv.s3.accessKey
        secretAccessKey = localenv.s3.secretAccessKey
        bucketName = localenv.s3.testBucket
    elif len(args) != 3:
        raise Exception("Useage: %s accessKey secretAccessKey bucketName" % sys.argv[0])
    else:
        accessKey, secretAccessKey, bucketName = args[0], args[1], args[2]
    return S3BucketMap(accessKey, secretAccessKey, bucketName, prefix)
 
 
reallyLongKey = "abcdefghijklmnopqrstuvwxyz" * 30
    
def main():
    bucketMap = makeBucketMapFromSysArgvOrLocalEnv("testPrefix/")
    print "%s" % bucketMap
    bucketMap["testValue"] = "fred"
    subBucketMap = bucketMap.subMap("test")
    print "subBucketMap[Value] = %s" % subBucketMap["Value"]
    
    del bucketMap["junkvalue"]
    print "testValue = %r" % bucketMap["testValue"]
    del bucketMap["testValue"]
    #print "testValue = %r" % bucketMap["testValue"]
    bucketMap["testValue"] = "fred2"
    bucketMap["testValue2"] = "jim"
    
    print "(unicode) testValue = %r" % bucketMap[u"testValue"]
    
    bucketMap[u"comoEst\u00e1s"] = "bien gracias"
    print "como estas value = %r" % bucketMap[u"comoEst\u00e1s"]
    
    bucketMap[reallyLongKey] = "really long key value"
    
    print "bucketMap[reallyLongKey] (key-length %d bytes) = %r" % (len(reallyLongKey), bucketMap[reallyLongKey])
    
    print "testValue = %r" % bucketMap["testValue"]
 
    for key in bucketMap:
        print "key = %r" % key
 
    testContains(bucketMap, "jim")
    testContains(bucketMap, "testValue")
 
if __name__ == '__main__':
    main()