Revision 99d0e277
| b/tools/pithos-sync | ||
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| 36 | 36 |
import os |
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import sqlite3 |
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import sys |
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import shutil |
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from lib import transfer |
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from lib.client import Pithos_Client, Fault |
| ... | ... | |
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return DEFAULT_CONTAINER |
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SQL_CREATE_TABLE = '''CREATE TABLE IF NOT EXISTS files ( |
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path TEXT PRIMARY KEY, hash TEXT)''' |
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def create_dir(path): |
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if not os.path.exists(path): |
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os.makedirs(path) |
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if not os.path.isdir(path): |
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raise RuntimeError("Cannot open '%s'" % (path,))
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client = None |
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lpath = None |
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trash = None |
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lstate = None |
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cstate = None |
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rstate = None |
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class Trash(object): |
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def __init__(self): |
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self.tpath = os.path.join(lpath, 'trash') |
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create_dir(self.tpath) |
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dbpath = os.path.join(lpath, 'trash.db') |
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self.conn = sqlite3.connect(dbpath) |
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sql = '''CREATE TABLE IF NOT EXISTS files ( |
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path TEXT PRIMARY KEY, hash TEXT)''' |
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self.conn.execute(sql) |
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self.conn.commit() |
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def put(self, path, hash): |
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# XXX Maintain path. |
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shutil.copy(path, basename(path)) |
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sql = 'INSERT OR REPLACE INTO files VALUES (?, ?)' |
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self.conn.execute(sql, (basename(path), hash)) |
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self.conn.commit() |
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def search(self, hash): |
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sql = 'SELECT path FROM files WHERE hash = ?' |
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ret = self.conn.execute(sql, (hash,)).fetchone() |
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return ret[0] if ret else None |
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def empty(self): |
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sql = 'DELETE FROM files' |
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self.conn.execute(sql) |
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self.conn.commit() |
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shutil.rmtree(self.tpath) |
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class CurrentState(object): |
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def __init__(self, dir): |
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self.dir = dir |
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def get(self, path): |
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fullpath = os.path.join(self.dir, path) |
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if os.path.exists(fullpath): |
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if os.path.isdir(fullpath): |
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return 'DIR' |
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else: |
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return merkle(fullpath) |
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else: |
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return 'DEL' |
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def fullpath(self, path): |
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return os.path.join(self.dir, path) |
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class LocalState(object): |
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def __init__(self): |
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dbpath = os.path.expanduser('~/.psyncdb')
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dbpath = os.path.join(lpath, 'state.db')
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self.conn = sqlite3.connect(dbpath) |
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self.conn.execute(SQL_CREATE_TABLE) |
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sql = '''CREATE TABLE IF NOT EXISTS files ( |
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path TEXT PRIMARY KEY, hash TEXT)''' |
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self.conn.execute(sql) |
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self.conn.commit() |
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def get(self, path): |
| ... | ... | |
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self.conn.execute(sql, (path, hash)) |
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self.conn.commit() |
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def search(self, hash): |
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sql = 'SELECT path FROM files WHERE hash = ?' |
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ret = self.conn.execute(sql, (hash,)).fetchone() |
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return ret[0] if ret else None |
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class CurrentState(object): |
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def __init__(self, dir): |
| ... | ... | |
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return meta['etag'] |
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def download(path, S):
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def update_local(path, S):
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fullpath = cstate.fullpath(path) |
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if S == 'DEL': |
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os.remove(fullpath) |
| ... | ... | |
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os.remove(fullpath) |
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os.mkdir(fullpath) |
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else: |
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# XXX Covert paths. |
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# file = lstate.search(S) |
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# if file: |
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# shutil.copy(file, fullpath) |
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# else: |
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# transfer.download(client, get_container(), path, fullpath) |
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transfer.download(client, get_container(), path, fullpath) |
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# XXX Check either MD5 or Merkle hashes. |
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assert cstate.get(path) == S |
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def upload(path, S):
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def update_remote(path, S):
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fullpath = cstate.fullpath(path) |
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if S == 'DEL': |
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client.delete_object(get_container(), path) |
| ... | ... | |
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if C == L: |
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# No local changes |
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if R != L: |
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download(path, R)
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update_local(path, R)
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lstate.put(path, R) |
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return |
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if R == L: |
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# No remote changes |
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if C != L: |
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upload(path, C)
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update_remote(path, C)
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lstate.put(path, C) |
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return |
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|
| ... | ... | |
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else: |
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# Conflict, try to resolve it |
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resolve_conflict(path) |
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download(path, R)
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update_local(path, R)
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lstate.put(path, R) |
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|
| ... | ... | |
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def main(): |
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global client, lstate, cstate, rstate |
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global client, lpath, trash, lstate, cstate, rstate
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if len(sys.argv) != 2: |
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print 'syntax: %s <dir>' % sys.argv[0] |
| ... | ... | |
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dir = sys.argv[1] |
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client = Pithos_Client(get_server(), get_auth(), get_user()) |
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lpath = os.path.expanduser('~/.pithos-sync/')
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create_dir(lpath) |
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trash = Trash() |
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lstate = LocalState() |
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cstate = CurrentState(dir) |
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rstate = RemoteState(client) |
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