combox

split and encrypted files between online file storage providers
git clone git://git.ricketyspace.net/combox.git
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commit 0c1eb99d769be908322bb0bba16f2a6af35ebe25
parent 82a0368d0c70e62975b59cc4bd68ac83b6b6eb68
Author: Siddharth Ravikumar <sravik@bgsu.edu>
Date:   Wed, 14 Jan 2015 21:47:33 -0500

combox/file.py: new functions defined.

relative_path: returns relative path of directory or file w. r. t combox directory.
mk_nodedir: creates a directory inside all node directories
purge_dir: (1) purges a file or (2) purges everything inside a directory (except itself).

Diffstat:
combox/file.py | 59+++++++++++++++++++++++++++++++++++++++++++++++++++++------
1 file changed, 53 insertions(+), 6 deletions(-)

diff --git a/combox/file.py b/combox/file.py @@ -16,23 +16,69 @@ # along with Combox (see COPYING). If not, see # <http://www.gnu.org/licenses/>. +import os + from os import path from sys import exit from glob import glob +from combox.config import get_nodedirs + + +def relative_path(p, config): + """Returns the relative path to the `p' w. r. t combox directory. + + p: path to a directory or file. + + config: a dictionary that contains configuration information about + combox. -def mk_nodedir(nodes, directory): """ - Creates directory `dir' inside the nodes. + combox_dir = '%s/' % config['combox_dir'] + + return p.partition(combox_dir)[2] + + +def mk_nodedir(directory, config): """ + Creates directory `directory' inside the nodes. + + config: a dictionary containing configuration info about combox. + """ + + nodes = get_nodedirs(config) - abs_dir = path.abspath(directory) + rel_path = relative_path(directory, config) for node in nodes: + dir_path = path.join(node, rel_path) try: - os.mkdir(abs_dir) - except IOError: - print "Something wrong. report bug to sravik@bgsu.edu" + os.mkdir(dir_path) + except OSError, e: + print e, "Something wrong. report bug to sravik@bgsu.edu" + + +def purge_dir(p): + """ + Purge everything under the given directory `p'. + + Directory `p' itself is not deleted. + """ + + p = path.abspath(p) + + if path.isfile(p): + return os.remove(p) + + for f in os.listdir(p): + f_path = path.join(p, f) + + if path.isfile(f_path): + os.remove(f_path) + else: + purge_dir(f_path) + os.rmdir(f_path) + def split_data(data, n): """Split data into `n' parts and return them as an array. @@ -111,6 +157,7 @@ def write_shards(shards, directories, shard_basename): """Write shards to respective files respective files. shard: list of strings (ciphers or data). + directories: absolute path of directories to which it shards must be written to. shard_basename: base name of the shard. """