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- """ db_print.py -- a simple demo for ADO database reads."""
- import sys
- import adodbapi.ado_consts as adc
- cmd_args = ('filename', 'table_name')
- if 'help' in sys.argv:
- print('possible settings keywords are:',cmd_args)
- sys.exit()
- kw_args = {} # pick up filename and proxy address from command line (optionally)
- for arg in sys.argv:
- s = arg.split("=")
- if len(s) > 1:
- if s[0] in cmd_args:
- kw_args[s[0]] = s[1]
- kw_args.setdefault('filename', "test.mdb") # assumes server is running from examples folder
- kw_args.setdefault('table_name', 'Products') # the name of the demo table
- # the server needs to select the provider based on his Python installation
- provider_switch = ['provider', 'Microsoft.ACE.OLEDB.12.0', "Microsoft.Jet.OLEDB.4.0"]
- # ------------------------ START HERE -------------------------------------
- #create the connection
- constr = "Provider=%(provider)s;Data Source=%(filename)s"
- import adodbapi as db
- con = db.connect(constr, kw_args, macro_is64bit=provider_switch)
- if kw_args['table_name'] == '?':
- print('The tables in your database are:')
- for name in con.get_table_names():
- print(name)
- else:
- #make a cursor on the connection
- with con.cursor() as c:
- #run an SQL statement on the cursor
- sql = 'select * from %s' % kw_args['table_name']
- print('performing query="%s"' % sql)
- c.execute(sql)
- #check the results
- print('result rowcount shows as= %d. (Note: -1 means "not known")' \
- % (c.rowcount,))
- print('')
- print('result data description is:')
- print(' NAME Type DispSize IntrnlSz Prec Scale Null?')
- for d in c.description:
- print(('%16s %-12s %8s %8d %4d %5d %s') % \
- (d[0], adc.adTypeNames[d[1]], d[2], d[3], d[4],d[5], bool(d[6])))
- print('')
- print('str() of first five records are...')
- #get the results
- db = c.fetchmany(5)
- #print them
- for rec in db:
- print(rec)
- print('')
- print('repr() of next row is...')
- print(repr(c.fetchone()))
- print('')
- con.close()
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