cpython/Doc/includes/sqlite3/simple_tableprinter.py

29 lines
731 B
Python

import sqlite3
FIELD_MAX_WIDTH = 20
TABLE_NAME = 'people'
SELECT = 'select * from %s order by age, name_last' % TABLE_NAME
con = sqlite3.connect("mydb")
cur = con.cursor()
cur.execute(SELECT)
# Print a header.
for fieldDesc in cur.description:
print(fieldDesc[0].ljust(FIELD_MAX_WIDTH), end=' ')
print() # Finish the header with a newline.
print('-' * 78)
# For each row, print the value of each field left-justified within
# the maximum possible width of that field.
fieldIndices = range(len(cur.description))
for row in cur:
for fieldIndex in fieldIndices:
fieldValue = str(row[fieldIndex])
print(fieldValue.ljust(FIELD_MAX_WIDTH), end=' ')
print() # Finish the row with a newline.
con.close()