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Location: Morevna/src/morevna.py
fef26609c4ee
3.5 KiB
text/x-python
fix: a meaningful message when running without a command
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 | import sys
import os.path
import logging as log
from argparse import ArgumentParser
from util import spawnDaemon, splitHost
import config as conf
import stats
from hashtree import HashTree
from client import Client, Connection as ClientConnection, FailedConnection, DeniedConnection, IncompatibleException
from server import Miniserver
def _checkFile(f):
if not os.path.isfile(f):
print("invalid file specified:",f,file=sys.stderr)
sys.exit(1)
def buildTree(args):
_checkFile(args.datafile)
if os.path.isfile(args.treefile):
treeMod=os.stat(args.treefile).st_mtime
dataMod=os.stat(args.datafile).st_mtime
if dataMod<treeMod and not args.force:
print("tree file is up to date")
return
tree=HashTree.fromFile(args.datafile)
tree.save(args.treefile)
def push(args):
_checkFile(args.datafile)
if args.tree:
_checkFile(args.tree)
if args.host: conf.hosts=[args.host]
if args.port: conf.port=args.port
c=Client(args.datafile,args.tree)
for h in conf.hosts:
host=splitHost(h,conf.port)
stats.reset()
try:
with ClientConnection(*host) as con:
c.setConnection(con)
c.init("push")
blocksToTransfer=c.negotiate()
c.sendData(blocksToTransfer)
print()
print(stats.report())
print()
except FailedConnection: pass
except DeniedConnection as e:
print("Server {0}:{1} denied connection.".format(*host))
print(e)
except IncompatibleException as e: print(e)
def pull(args):
_checkFile(args.datafile)
if args.tree:
_checkFile(args.tree)
if args.host: conf.hosts=[args.host]
if args.port: conf.port=args.port
c=Client(args.datafile,args.tree)
host=splitHost(conf.hosts[0],conf.port)
try:
with ClientConnection(*host) as con:
c.setConnection(con)
c.init("pull")
blocksToTransfer=c.negotiate()
c.pullData(blocksToTransfer,args.force)
print()
print(stats.report())
except FailedConnection: pass
except DeniedConnection as e:
print("Server {0}:{1} denied connection.".format(*host))
print(e)
def serve(args):
_checkFile(args.datafile)
if args.tree:
_checkFile(args.tree)
if args.host: conf.hosts.insert(0,args.host)
if args.port: conf.port=args.port
try:
s=Miniserver(args.datafile,args.tree)
spawnDaemon(s.serve)
except Exception as e:
log.exception("exception: %s",e)
print("Failed to start:\n ",e)
parser=ArgumentParser()
subparsers=parser.add_subparsers()
pBuild=subparsers.add_parser("build")
pBuild.add_argument("-f","--force",action="store_true",help="force tree rebuild")
pBuild.add_argument("treefile", help="stored hash tree location")
pBuild.add_argument("datafile")
pBuild.set_defaults(func=buildTree)
pUpdate=subparsers.add_parser("push")
pUpdate.add_argument("-p","--port",type=int)
pUpdate.add_argument("--host")
pUpdate.add_argument("-t","--tree",help="stored hash tree location")
pUpdate.add_argument("datafile")
pUpdate.set_defaults(func=push)
pUpdate=subparsers.add_parser("pull")
pUpdate.add_argument("-p","--port",type=int)
pUpdate.add_argument("--host")
pUpdate.add_argument("-t","--tree",help="stored hash tree location")
pUpdate.add_argument("-f","--force",action="store_true",help="ignore lock file")
pUpdate.add_argument("datafile")
pUpdate.set_defaults(func=pull)
pServe=subparsers.add_parser("serve")
pServe.add_argument("-p","--port",type=int)
pServe.add_argument("--host")
pServe.add_argument("-t","--tree",help="stored hash tree location")
pServe.add_argument("datafile")
pServe.set_defaults(func=serve)
args=parser.parse_args()
try: args.func(args)
except AttributeError:
parser.print_help()
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