class PyConsole: """ console input and output """ hiveclient = None # hive operator client sql = "" # the sql will to be excute. opTime = 0 # console tips about operator time. def __init__(self): self.hiveclient = HiveClient() def initConsole(self): self._help() print "waiting console input..." self.consoleTip() while True: text = raw_input() if text == 'help': self.resetsql() self._help() self.consoleTip() elif text.startswith("open"): self.resetsql() arr = text.split(" ") args = [] for index, item in enumerate(arr): if item is not None and len(item) != 0 and index != 0: args.append(item) print "translation will open at:", args if len(args) == 1: self.hiveclient.openTranslation(args[0]) elif len(args) == 2: self.hiveclient.openTranslation(args[0], args[1]) elif len(args) == 0: self.hiveclient.openTranslation() else: print "open args: [host] [port]" self.consoleTip() elif text == 'exit': self.resetsql() if self.hiveclient.isOpen(): self.hiveclient.closeTranslation() exit elif text == 'close': self.resetsql() if self.hiveclient.isOpen(): self.hiveclient.closeTranslation() self.consoleTip() elif text.endswith(";"): self.sql = '%s %s' % (self.sql, text[0:len(text) - 1]) print "will excute sql:", self.sql self.hiveclient.excuteAndPrint(self.sql) self.resetsql() self.consoleTip() elif text is not None: self.sql = '%s %s' % (self.sql, text) else: continue def resetsql(self): self.sql = "" def consoleTip(self): self.opTime += 1 print "HivePyClient_" + str(self.opTime) + ">", def _help(self): print "exit: exit hive python client." print "open host [port] : open translation from hive server." print "close: close translation from hive server." print "help: get help context." print "write sql to excute it direct after connection opened. and the result will be print in console."
def __init__(self): self.hiveclient = HiveClient()