Vehicle-Anti-Theft-Face-Rec.../venv/Lib/site-packages/adodbapi/examples/db_print.py

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2020-11-12 16:05:57 +00:00
""" db_print.py -- a simple demo for ADO database reads."""
from __future__ import with_statement #needed for Python 2.5
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()