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Initial optparse implementation.

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This commit is contained in:
Jonas Borgström 2010-02-23 22:12:22 +01:00
parent 575efb5e0b
commit e65ed8623f
1 changed files with 36 additions and 13 deletions
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49
dedupstore/archiver.py
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@ -3,6 +3,8 @@
import hashlib
import zlib
import cPickle
from optparse import OptionParser
from store import Store
CHUNKSIZE = 256 * 1024
@ -103,17 +105,18 @@ def __init__(self):
self.store = Store('/tmp/store')
self.cache = Cache('/tmp/cache', self.store)
def create_archive(self, archive_name, path):
def create_archive(self, archive_name, paths):
if archive_name in self.cache.archives:
raise Exception('Archive "%s" already exists' % archive_name)
items = []
for root, dirs, files in os.walk(path):
for d in dirs:
name = os.path.join(root, d)
items.append(self.process_dir(name, self.cache))
for f in files:
name = os.path.join(root, f)
items.append(self.process_file(name, self.cache))
for path in paths:
for root, dirs, files in os.walk(path):
for d in dirs:
name = os.path.join(root, d)
items.append(self.process_dir(name, self.cache))
for f in files:
name = os.path.join(root, f)
items.append(self.process_file(name, self.cache))
archive = {'name': name, 'items': items}
hash = self.cache.add_chunk(zlib.compress(cPickle.dumps(archive)))
self.cache.archives[archive_name] = hash
@ -150,14 +153,34 @@ def process_file(self, path, cache):
chunks.append(cache.add_chunk(zlib.compress(data)))
print 'File: %s (%d chunks)' % (path, len(chunks))
return {'type': 'FILE', 'path': path, 'size': size, 'chunks': chunks}
def run(self):
parser = OptionParser()
parser.add_option("-C", "--cache", dest="cache",
help="cache directory to use", metavar="CACHE")
parser.add_option("-s", "--store", dest="store",
help="path to dedupe store", metavar="STORE")
parser.add_option("-c", "--create", dest="create_archive",
help="create ARCHIVE", metavar="ARCHIVE")
parser.add_option("-d", "--delete", dest="delete_archive",
help="delete ARCHIVE", metavar="ARCHIVE")
parser.add_option("-l", "--list-archives", dest="list_archives",
help="list archives")
parser.add_option("-V", "--verify", dest="verify_archive",
help="verify archive consistency")
parser.add_option("-e", "--extract", dest="extract_archive",
help="extract ARCHIVE")
parser.add_option("-L", "--list-archive", dest="list_archive",
help="verify archive consistency", metavar="ARCHIVE")
(options, args) = parser.parse_args()
if options.delete_archive:
self.delete_archive(options.delete_archive)
else:
self.create_archive(options.create_archive, args)
def main():
archiver = Archiver()
if sys.argv[1] == 'delete':
archiver.delete_archive(sys.argv[2])
else:
archiver.create_archive(sys.argv[1], sys.argv[2])
archiver.run()
if __name__ == '__main__':
main()