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github.com_openSUSE_osc/fuse/fuseosc

235 lines
7.1 KiB
Python
Executable File

#!/usr/bin/python
# Copyright (c) 2008-2009 Pavol Rusnak <prusnak@suse.cz>
#
# Permission is hereby granted, free of charge, to any person
# obtaining a copy of this software and associated documentation
# files (the "Software"), to deal in the Software without
# restriction, including without limitation the rights to use,
# copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the
# Software is furnished to do so, subject to the following
# conditions:
# The above copyright notice and this permission notice shall be
# included in all copies or substantial portions of the Software.
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
# OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
# HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
# WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
# FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
# OTHER DEALINGS IN THE SOFTWARE.
import sys
import os
try:
import osc
import osc.conf
import osc.core
except:
# allow loading module from working copy if osc is not installed
sys.path.append(os.path.abspath(os.path.dirname(sys.argv[0]) + '/../osc'))
import osc
import osc.conf
import osc.core
import fuse
import stat
import errno
import tempfile
fuse.fuse_python_api = (0, 2)
projects = []
cache = {}
class EmptyStat(fuse.Stat):
def __init__(self):
self.st_mode = 0
self.st_ino = 0
self.st_dev = 0
self.st_nlink = 0
self.st_uid = 0
self.st_gid = 0
self.st_size = 0
self.st_atime = 0
self.st_mtime = 0
self.st_ctime = 0
class CacheEntry(object):
def __init__(self):
self.stat = None
self.handle = None
self.tmpname = None
class oscFS(fuse.Fuse):
def __init__(self, *args, **kw):
fuse.Fuse.__init__(self, *args, **kw)
print 'OK'
def getattr(self, path):
st = EmptyStat()
# path is project
if path == '/' or path in projects or len(filter(lambda x: x.startswith(path), projects)) > 0:
st.st_mode = stat.S_IFDIR | 0555
st.st_nlink = 2
return st
# path is package
if os.path.dirname(path) in projects:
st.st_mode = stat.S_IFDIR | 0555
st.st_nlink = 2
return st
# path is file
if cache.has_key(path):
return cache[path].stat
else:
return -errno.ENOENT
def readdir(self, path, offset):
yield fuse.Direntry('.')
yield fuse.Direntry('..')
if os.path.dirname(path) in projects: # path is package
prj = os.path.dirname(path).replace('/','')
pkg = os.path.basename(path)
for f in osc.core.meta_get_filelist(osc.conf.config['apiurl'], prj, pkg, verbose=True):
st = EmptyStat()
st.st_mode = stat.S_IFREG | 0444
st.st_size = f.size
st.st_atime = f.mtime
st.st_ctime = f.mtime
st.st_mtime = f.mtime
cache[path + '/' + f.name] = CacheEntry()
cache[path + '/' + f.name].stat = st
yield fuse.Direntry(f.name)
return
if path in projects: # path is project
prj = path.replace('/','')
for p in osc.core.meta_get_packagelist(osc.conf.config['apiurl'], prj):
yield fuse.Direntry(p)
else: # path is project structure
if (path != '/'):
path += '/'
l = len(path)
for d in set( map(lambda x: x[l:].split('/')[0], filter(lambda x: x.startswith(path), projects) ) ) :
yield fuse.Direntry(d)
def mythread ( self ):
print '*** mythread'
return -errno.ENOSYS
def chmod ( self, path, mode ):
print '*** chmod', path, oct(mode)
return -errno.ENOSYS
def chown ( self, path, uid, gid ):
print '*** chown', path, uid, gid
return -errno.ENOSYS
def fsync ( self, path, isFsyncFile ):
print '*** fsync', path, isFsyncFile
return -errno.ENOSYS
def link ( self, targetPath, linkPath ):
print '*** link', targetPath, linkPath
return -errno.ENOSYS
def mkdir ( self, path, mode ):
print '*** mkdir', path, oct(mode)
return -errno.ENOSYS
def mknod ( self, path, mode, dev ):
print '*** mknod', path, oct(mode), dev
return -errno.ENOSYS
def open ( self, path, flags ):
file = os.path.basename(path)
d = os.path.dirname(path)
pkg = os.path.basename(d)
prj = os.path.dirname(d).replace('/','')
if not cache.has_key(path):
return -errno.ENOENT
if cache[path].stat == None:
return -errno.ENOENT
tmp = tempfile.mktemp(prefix = 'oscfs_')
osc.core.get_source_file(osc.conf.config['apiurl'], prj, pkg, file, tmp)
cache[path].handle = open(tmp, 'r')
cache[path].tmpname = tmp
def read ( self, path, length, offset ):
if not cache.has_key(path):
return -errno.EACCES
f = cache[path].handle
f.seek(offset)
return f.read(length)
def readlink ( self, path ):
print '*** readlink', path
return -errno.ENOSYS
def release ( self, path, flags ):
if cache.has_key(path):
cache[path].handle.close()
cache[path].handle = None
os.unlink(f.cache[path].tmpname)
cache[path].tmpname = None
def rename ( self, oldPath, newPath ):
print '*** rename', oldPath, newPath
return -errno.ENOSYS
def rmdir ( self, path ):
print '*** rmdir', path
return -errno.ENOSYS
def statfs ( self ):
print '*** statfs'
return -errno.ENOSYS
def symlink ( self, targetPath, linkPath ):
print '*** symlink', targetPath, linkPath
return -errno.ENOSYS
def truncate ( self, path, size ):
print '*** truncate', path, size
return -errno.ENOSYS
def unlink ( self, path ):
print '*** unlink', path
return -errno.ENOSYS
def utime ( self, path, times ):
print '*** utime', path, times
return -errno.ENOSYS
def write ( self, path, buf, offset ):
print '*** write', path, buf, offset
return -errno.ENOSYS
def fill_projects():
try:
for prj in osc.core.meta_get_project_list(osc.conf.config['apiurl']):
projects.append( '/' + prj.replace(':', ':/') )
except:
print 'failed'
sys.exit(1)
if __name__ == '__main__':
print 'Loading config ...',
osc.conf.get_config()
print 'OK'
print 'Getting projects list ...',
fill_projects()
print 'OK'
print 'Starting FUSE ...',
oscfs = oscFS( version = '%prog ' + fuse.__version__, usage = '', dash_s_do = 'setsingle')
oscfs.flags = 0
oscfs.multithreaded = 0
oscfs.parse(values = oscfs, errex = 1)
oscfs.main()