Mercurial > sqlpython
changeset 259:c0847a4c7f49
one-shot connection changes
author | catherine@Elli.myhome.westell.com |
---|---|
date | Mon, 16 Mar 2009 03:30:08 -0400 |
parents | a94fec8155da |
children | fc106df4606b |
files | sqlpython/sqlpyPlus.py sqlpython/sqlpython.py |
diffstat | 2 files changed, 84 insertions(+), 54 deletions(-) [+] |
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line diff
--- a/sqlpython/sqlpyPlus.py Mon Mar 16 02:46:41 2009 -0400 +++ b/sqlpython/sqlpyPlus.py Mon Mar 16 03:30:08 2009 -0400 @@ -356,6 +356,8 @@ sqlpython.sqlpython.noSpecialParse.append('spool') commentGrammars = pyparsing.Or([pyparsing.Literal('--') + pyparsing.restOfLine, pyparsing.cStyleComment]) commentGrammars = pyparsing.Or([Parser.comment_def, pyparsing.cStyleComment]) + prefixParser = pyparsing.Optional(pyparsing.Word(pyparsing.nums)('connection_number') + + ':') default_file_name = 'afiedt.buf' def __init__(self): sqlpython.sqlpython.__init__(self)
--- a/sqlpython/sqlpython.py Mon Mar 16 02:46:41 2009 -0400 +++ b/sqlpython/sqlpython.py Mon Mar 16 03:30:08 2009 -0400 @@ -26,6 +26,22 @@ self.prompts = [] self.connection_number = None + def successful_connection_to_number(self, arg): + try: + self.connection_number = int(arg) + self.orcl = self.connections[self.connection_number] + self.prompt = self.prompts[self.connection_number] + self.curs = self.orcl.cursor() + if self.serveroutput: + self.curs.callproc('dbms_output.enable', []) + except ValueError: + return False + return True + + def list_connections(self): + self.stdout.write('Existing connections:\n') + self.stdout.write('\n'.join(self.prompts) + '\n') + connection_modes = {re.compile(' AS SYSDBA', re.IGNORECASE): cx_Oracle.SYSDBA, re.compile(' AS SYSOPER', re.IGNORECASE): cx_Oracle.SYSOPER} @cmd2.options([cmd2.make_option('-a', '--add', action='store_true', @@ -33,67 +49,79 @@ def do_connect(self, arg, opts): '''Opens the DB connection''' if not arg: - self.stdout.write('\n'.join(self.prompts) + '\n') + self.list_connections() return try: - self.connection_number = int(arg) - self.orcl = self.connections[self.connection_number] - self.prompt = self.prompts[self.connection_number] - self.curs = self.orcl.cursor() + if self.successful_connection_to_number(arg): + return except IndexError: - self.stdout.write('\n'.join(self.prompts)) - return - except ValueError: - modeval = 0 - oraserv = None - for modere, modevalue in self.connection_modes.items(): - if modere.search(arg): - arg = modere.sub('', arg) - modeval = modevalue + self.list_connections() + return + modeval = 0 + oraserv = None + for modere, modevalue in self.connection_modes.items(): + if modere.search(arg): + arg = modere.sub('', arg) + modeval = modevalue + try: + orauser, oraserv = arg.split('@') + except ValueError: try: - orauser, oraserv = arg.split('@') - except ValueError: - try: - oraserv = os.environ['ORACLE_SID'] - except KeyError: - print 'instance not specified and environment variable ORACLE_SID not set' - return - orauser = arg - self.sid = oraserv + oraserv = os.environ['ORACLE_SID'] + except KeyError: + print 'instance not specified and environment variable ORACLE_SID not set' + return + orauser = arg + self.sid = oraserv + try: + host, self.sid = oraserv.split('/') try: - host, self.sid = oraserv.split('/') - try: - host, port = host.split(':') - port = int(port) - except ValueError: - port = 1521 - oraserv = cx_Oracle.makedsn(host, port, self.sid) + host, port = host.split(':') + port = int(port) except ValueError: - pass - try: - orauser, orapass = orauser.split('/') - except ValueError: - orapass = getpass.getpass('Password: ') - if orauser.upper() == 'SYS' and not modeval: - print 'Privilege not specified for SYS, assuming SYSOPER' - modeval = cx_Oracle.SYSOPER + port = 1521 + oraserv = cx_Oracle.makedsn(host, port, self.sid) + except ValueError: + pass + try: + orauser, orapass = orauser.split('/') + except ValueError: + orapass = getpass.getpass('Password: ') + if orauser.upper() == 'SYS' and not modeval: + print 'Privilege not specified for SYS, assuming SYSOPER' + modeval = cx_Oracle.SYSOPER + try: + self.orcl = cx_Oracle.connect(orauser,orapass,oraserv,modeval) + if opts.add or (self.connection_number is None): + self.connections.append(self.orcl) + self.prompts.append(None) + self.connection_number = len(self.connections) - 1 + else: + self.connections[self.connection_number] = self.orcl + self.curs = self.orcl.cursor() + self.prompt = '%d:%s@%s> ' % (self.connection_number, orauser, self.sid) + self.prompts[self.connection_number] = self.prompt + except Exception, e: + print e + return + if self.serveroutput: + self.curs.callproc('dbms_output.enable', []) + def postparsing_precmd(self, statement): + stop = 0 + self.saved_connection_number = None + if statement.parsed.connection_number: + saved_connection_number = self.connection_number try: - self.orcl = cx_Oracle.connect(orauser,orapass,oraserv,modeval) - if opts.add or (self.connection_number is None): - self.connections.append(self.orcl) - self.prompts.append(None) - self.connection_number = len(self.connections) - 1 - else: - self.connections[self.connection_number] = self.orcl - self.curs = self.orcl.cursor() - self.prompt = '%d:%s@%s> ' % (self.connection_number, orauser, self.sid) - self.prompts[self.connection_number] = self.prompt - except Exception, e: - print e - return - if self.serveroutput: - self.curs.callproc('dbms_output.enable', []) - + if self.successful_connection_to_number(statement.parsed.connection_number): + self.saved_connection_number = saved_connection_number + except IndexError: + self.list_connections() + return stop, statement + def postparsing_postcmd(self, stop): + if self.saved_connection_number is not None: + self.successful_connection_to_number(self.saved_connection_number) + return stop + do_host = cmd2.Cmd.do_shell def emptyline(self):