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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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