70 lines
2.4 KiB
Python
70 lines
2.4 KiB
Python
""" db_print.py -- a simple demo for ADO database reads."""
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from __future__ import with_statement #needed for Python 2.5
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import sys
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import adodbapi.ado_consts as adc
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cmd_args = ('proxy_host', 'proxy_port', 'filename', 'table_name')
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if 'help' in sys.argv:
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print(('possible settings keywords are:',cmd_args))
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sys.exit()
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kw_args = {} # pick up filename and proxy address from command line (optionally)
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for arg in sys.argv:
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s = arg.split("=")
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if len(s) > 1:
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if s[0] in cmd_args:
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kw_args[s[0]] = s[1]
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kw_args.setdefault('filename', "test.mdb") # assumes server is running from examples folder
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kw_args.setdefault('table_name', 'Products') # the name of the demo table
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# the server needs to select the provider based on his Python installation
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provider_switch = ['provider', 'Microsoft.ACE.OLEDB.12.0', "Microsoft.Jet.OLEDB.4.0"]
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# ------------------------ START HERE -------------------------------------
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#create the connection
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constr = "Provider=%(provider)s;Data Source=%(filename)s"
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if 'proxy_host' in kw_args:
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import adodbapi.remote as db
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else:
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import adodbapi as db
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con = db.connect(constr, kw_args, macro_is64bit=provider_switch)
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if kw_args['table_name'] == '?':
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print('The tables in your database are:')
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for name in con.get_table_names():
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print(name)
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else:
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#make a cursor on the connection
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with con.cursor() as c:
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#run an SQL statement on the cursor
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sql = 'select * from %s' % kw_args['table_name']
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print(('performing query="%s"' % sql))
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c.execute(sql)
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#check the results
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print(('result rowcount shows as= %d. (Note: -1 means "not known")' \
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% (c.rowcount,)))
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print('')
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print('result data description is:')
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print(' NAME Type DispSize IntrnlSz Prec Scale Null?')
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for d in c.description:
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print((('%16s %-12s %8s %8d %4d %5d %s') % \
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(d[0], adc.adTypeNames[d[1]], d[2], d[3], d[4],d[5], bool(d[6]))))
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print('')
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print('str() of first five records are...')
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#get the results
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db = c.fetchmany(5)
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#print them
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for rec in db:
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print(rec)
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print('')
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print('repr() of next row is...')
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print((repr(c.fetchone())))
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print('')
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con.close()
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