def get_groups(self):
'''
'''
self._send_command('get-groups', [])
msgs = self._get_messages()
return unpack(msgs['groups'][0])
def build_transaction(self):
'''
'''
self._send_command('build-transaction', [])
msgs = self._get_messages()
return msgs['return_code'][0], msgs['messages'], unpack(msgs['transaction'][0]), msgs['size']
def get_changelog(self, ident, num):
''' get an attribute of an package '''
self._send_command('get-changelog', [ident, str(num)])
args = self._get_result(':attr')
if args:
return unpack(args[0])
else:
return None
def _gpg_check(self, value):
""" yum download action progress message """
(po, userid, hexkeyid) = unpack(value)
ok = self.gpg_check(po, userid, hexkeyid)
if ok:
self.child.sendline(":true")
else:
self.child.sendline(":false")
def get_attribute(self, ident, attr):
''' get an attribute of an package '''
self._send_command('get-attribute', [ident, attr])
args = self._get_result(':attr')
if args:
return unpack(args[0])
else:
return None
def is_ended(self, cmd, args):
'''
@param cmd:
@param args:
'''
if cmd == ':end':
if args:
self.end_state = unpack(args[0])
else: # no parameter to :end
self.end_state = True
return True
else:
return False
def parse_command(cmd, param):
if cmd == "#run":
parameters = unpack(param)
print ":debug\tLAUNCHER - Starting : %s" % parameters
rc = run(parameters)
elif cmd == "#testrun":
print ":debug\ttest running : %s" % param
run(param)
rc = True
elif cmd == "#exit":
rc = False
else:
print ":error\tunknown launcher command : %s" % cmd
rc = False
return rc
def _get_messages(self):
'''
read a list of :msg commands from the server, until and
:end command is received
'''
msgs = {}
while True:
cmd, args = self._readline()
if self.is_ended(cmd, args):
break
elif cmd == ':msg':
msg_type = args[0]
value = unpack(args[1])
if msg_type in msgs:
msgs[msg_type].append(value)
else:
msgs[msg_type] = [value]
return msgs
def _get_packed_list(self, result_cmd):
'''
read a list of :hist commands from the server, until and
:end command is received
'''
data = []
while True:
cmd, args = self._readline()
if self.is_ended(cmd, args):
break
if cmd == None: # readline is locked:
break
elif not cmd == result_cmd:
self.warning("_get_list unexpected command : %s (%s)" % (cmd, args))
else:
elem = unpack(args[0])
data.append(elem)
return data
def _get_history_pkgs(self):
'''
read a list of :histpkg commands from the server, until and
:end command is received
'''
data = []
while True:
cmd, args = self._readline()
if self.is_ended(cmd, args):
break
if cmd == None: # readline is locked:
break
elif cmd == ':histpkg':
po = unpack(args[0])
data.append(po)
else:
data.append(args)
return data
def _yum_logger(self, msg):
'''
unpack yum messages
'''
msg = unpack(msg)
self.yum_logger(msg)
def fatal(self, args):
""" fatal backend error """
err = args[0]
msg = unpack(args[1])
# Trigger the frontend fatal error handler
self.frontend.handle_error(err, msg)
def _media_change(self, value):
""" media change signal """
(prompt_first, media_id, media_name, media_num) = unpack(value)
mp = self.media_change(prompt_first, media_id, media_name, media_num)
self.child.sendline(":mountpoint\t%s" % pack(mp))
def _yum_dnl(self, value):
""" yum download action progress message """
(ftype, name, percent, cur, tot, fread, ftotal, ftime) = unpack(value)
self.yum_dnl_progress(ftype, name, percent, cur, tot, fread, ftotal, ftime)
def _yum_rpm(self, value):
""" yum rpm action progress message """
(action, package, percent, ts_current, ts_total) = unpack(value)
self.yum_rpm_progress(action, package, percent, ts_current, ts_total)