def create_archive(cache_dir, uri):
""" Create a new archive. """
block_dir = setup_block_dir(cache_dir, uri)
tmps = HandleTemps(os.path.join(cache_dir, TMP_DIR))
archive = WORMBlockArchive(DeltaCoder(), BlockStorage(tmps))
archive.create(block_dir, BLOCK_NAME)
return archive
def create_archive(cache_dir, uri):
""" Create a new archive. """
block_dir = setup_block_dir(cache_dir, uri)
tmps = HandleTemps(os.path.join(cache_dir, TMP_DIR))
archive = WORMBlockArchive(DeltaCoder(), BlockStorage(tmps))
archive.create(block_dir, BLOCK_NAME)
return archive
def load_cached_archive(cache_dir, uri):
""" Load an archive from the cache. """
top_key = load_cached_top_key(cache_dir, uri)
if len(top_key[1]) != 1 or top_key[1][0][1] != KIND_MANIFEST:
raise Exception("Can't read manifest from archive.")
verify_fully_cached(cache_dir, uri, top_key)
# Clear previous block dir and copy cached blocks into it.
block_dir = setup_block_dir(cache_dir, uri, top_key, True)
tmps = HandleTemps(os.path.join(cache_dir, TMP_DIR))
archive = WORMBlockArchive(DeltaCoder(), BlockStorage(tmps))
archive.load(block_dir, BLOCK_NAME)
# IMPORTANT: Set tags so we can keep track of
# unchanged blocks.
for index in range(0, len(top_key[0])):
archive.blocks.tags[index] = str(index)
return top_key, archive
def load_cached_archive(cache_dir, uri):
""" Load an archive from the cache. """
top_key = load_cached_top_key(cache_dir, uri)
if len(top_key[1]) != 1 or top_key[1][0][1] != KIND_MANIFEST:
raise Exception("Can't read manifest from archive.")
verify_fully_cached(cache_dir, uri, top_key)
# Clear previous block dir and copy cached blocks into it.
block_dir = setup_block_dir(cache_dir, uri, top_key, True)
tmps = HandleTemps(os.path.join(cache_dir, TMP_DIR))
archive = WORMBlockArchive(DeltaCoder(), BlockStorage(tmps))
archive.load(block_dir, BLOCK_NAME)
# IMPORTANT: Set tags so we can keep track of
# unchanged blocks.
for index in range(0, len(top_key[0])):
archive.blocks.tags[index] = str(index)
return top_key, archive
def load_archive(self, block_name):
archive = WORMBlockArchive(DeltaCoder(), BlockStorage(self.tmps))
archive.load(self.test_dir, block_name)
return archive
def make_empty_archive(self, block_name):
archive = WORMBlockArchive(DeltaCoder(), BlockStorage(self.tmps))
archive.create(self.test_dir, block_name)
return archive
def load_archive(self, block_name):
archive = WORMBlockArchive(DeltaCoder(), BlockStorage(self.tmps))
archive.load(self.test_dir, block_name)
return archive
def make_empty_archive(self, block_name):
archive = WORMBlockArchive(DeltaCoder(), BlockStorage(self.tmps))
archive.create(self.test_dir, block_name)
return archive