def check(self):
if not type(self.subs) == type([]):
raise error.icmd_exception("%s.subs is not [] " % (self.name))
if not type(self.args) == type([]):
raise error.icmd_exception("%s.args is not [] " % (self.name))
if self.name == "":
raise error.icmd_exception("cmd not set name" % (self.name))
def getcmd(self, val):
if val == None:
if isinstance(self.default, pipe):
vals = self.default.get()
if len(vals) > 0:
val = vals[0].strip()
if val == None:
raise error.icmd_exception("arg %s not set value" % (self.name))
if self.call is None:
return "--%s %s" % (self.name, val)
else:
try:
debug_log(self.call, 'call')
return string.Template(self.call).substitute({self.name: val})
except:
raise error.icmd_exception(
"error! args call:[%s], but key is: %s" %
(self.call, self.name))
def value_of(string, flag='$'):
tpl = string
var_exp = re.compile("\%s\{(\w+)\}" % (flag))
ass = assigner(tpl, os.environ)
try:
while var_exp.search(tpl):
tpl = var_exp.sub(ass.assign_value, tpl)
except TypeError as e:
raise error.icmd_exception(tpl + "tpl proc fail!")
return tpl
def get(self):
self.cmd = value_of(self.cmd, '&')
self.args = value_of(self.args, '&')
if not os.path.exists(self.cmd):
raise error.icmd_exception("cmd is not exists : %s" % (self.cmd))
args = self.args.split(' ')
args = [self.cmd] + args
_logger.info("cmd: %r" % (args))
p = Popen(args, bufsize=1024, stdout=PIPE, close_fds=True)
return p.stdout.readlines()
def not_none(val, errmsg):
if val is None:
raise error.icmd_exception(errmsg)
return val
def must_exists(path):
if path is None or not os.path.exists(path):
raise error.icmd_exception("file not exists : %s" % path)
def ok(val, errmsg):
if not val:
raise error.icmd_exception(errmsg)
return val
def must_true(val, errmsg):
if not val == True:
raise error.icmd_exception(errmsg)
return val