# with this program; if not, write to the Free Software Foundation, Inc.,
# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+from __future__ import division, print_function, unicode_literals
+
import os, sys, tempfile
import cumulus.store
-type_patterns = cumulus.store.type_patterns
-
-class FileStore(cumulus.store.Store):
- def __init__(self, url, **kw):
- # if constructor isn't called via factory interpret url as filename
- if not hasattr (self, 'path'):
- self.path = url
- self.prefix = self.path.rstrip("/")
+class Store(cumulus.store.Store):
+ """Storage backend that accesses the local file system."""
+ def __init__(self, url):
+ super(Store, self).__init__(url)
+ self.prefix = cumulus.store.unquote(url.path)
- def _get_path(self, type, name):
- return "%s/%s" % (self.prefix, name)
-
- def list(self, type):
- files = os.listdir(self.prefix)
- return (f for f in files if type_patterns[type].match(f))
+ def list(self, subdir):
+ try:
+ return os.listdir(os.path.join(self.prefix, subdir))
+ except OSError:
+ raise cumulus.store.NotFoundError(subdir)
- def get(self, type, name):
- k = self._get_path(type, name)
- return open(k, 'rb')
+ def get(self, path):
+ try:
+ return open(os.path.join(self.prefix, path), "rb")
+ except IOError:
+ raise cumulus.store.NotFoundError(path)
- def put(self, type, name, fp):
- k = self._get_path(type, name)
- out = open(k, 'wb')
- buf = fp.read(4096)
- while len(buf) > 0:
- out.write(buf)
+ def put(self, path, fp):
+ with open(os.path.join(self.prefix, path), "wb") as out:
buf = fp.read(4096)
+ while len(buf) > 0:
+ out.write(buf)
+ buf = fp.read(4096)
- def delete(self, type, name):
- k = self._get_path(type, name)
- os.unlink(k)
+ def delete(self, path):
+ os.unlink(os.path.join(self.prefix, path))
- def stat(self, type, name):
+ def stat(self, path):
try:
- stat = os.stat(self._get_path(type, name))
+ stat = os.stat(os.path.join(self.prefix, path))
return {'size': stat.st_size}
except OSError:
- raise cumulus.store.NotFoundError, (type, name)
-
-Store = FileStore
+ raise cumulus.store.NotFoundError(path)