Mercurial > cpython-lru_cache-weakref

annotate Doc/includes/sqlite3/simple_tableprinter.py @ 64166:d0e9febfa00a 3.1

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Merged revisions 84172 via svnmerge from svn+ssh://pythondev@svn.python.org/python/branches/py3k ........ r84172 | martin.v.loewis | 2010-08-18 18:12:23 +0200 (Mi, 18 Aug 2010) | 2 lines Restore GIL in nis_cat in case of error. ........
author Martin v. Löwis <martin@v.loewis.de>
date Thu, 19 Aug 2010 09:03:03 +0000
parents 9e1529bf0442
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
42604
9e1529bf0442 Move the 3k reST doc tree in place.
Georg Brandl <georg@python.org>
parents:
diff changeset
1 import sqlite3
9e1529bf0442 Move the 3k reST doc tree in place.
Georg Brandl <georg@python.org>
parents:
diff changeset
2
9e1529bf0442 Move the 3k reST doc tree in place.
Georg Brandl <georg@python.org>
parents:
diff changeset
3 FIELD_MAX_WIDTH = 20
9e1529bf0442 Move the 3k reST doc tree in place.
Georg Brandl <georg@python.org>
parents:
diff changeset
4 TABLE_NAME = 'people'
9e1529bf0442 Move the 3k reST doc tree in place.
Georg Brandl <georg@python.org>
parents:
diff changeset
5 SELECT = 'select * from %s order by age, name_last' % TABLE_NAME
9e1529bf0442 Move the 3k reST doc tree in place.
Georg Brandl <georg@python.org>
parents:
diff changeset
6
9e1529bf0442 Move the 3k reST doc tree in place.
Georg Brandl <georg@python.org>
parents:
diff changeset
7 con = sqlite3.connect("mydb")
9e1529bf0442 Move the 3k reST doc tree in place.
Georg Brandl <georg@python.org>
parents:
diff changeset
8
9e1529bf0442 Move the 3k reST doc tree in place.
Georg Brandl <georg@python.org>
parents:
diff changeset
9 cur = con.cursor()
9e1529bf0442 Move the 3k reST doc tree in place.
Georg Brandl <georg@python.org>
parents:
diff changeset
10 cur.execute(SELECT)
9e1529bf0442 Move the 3k reST doc tree in place.
Georg Brandl <georg@python.org>
parents:
diff changeset
11
9e1529bf0442 Move the 3k reST doc tree in place.
Georg Brandl <georg@python.org>
parents:
diff changeset
12 # Print a header.
9e1529bf0442 Move the 3k reST doc tree in place.
Georg Brandl <georg@python.org>
parents:
diff changeset
13 for fieldDesc in cur.description:
9e1529bf0442 Move the 3k reST doc tree in place.
Georg Brandl <georg@python.org>
parents:
diff changeset
14 print(fieldDesc[0].ljust(FIELD_MAX_WIDTH), end=' ')
9e1529bf0442 Move the 3k reST doc tree in place.
Georg Brandl <georg@python.org>
parents:
diff changeset
15 print() # Finish the header with a newline.
9e1529bf0442 Move the 3k reST doc tree in place.
Georg Brandl <georg@python.org>
parents:
diff changeset
16 print('-' * 78)
9e1529bf0442 Move the 3k reST doc tree in place.
Georg Brandl <georg@python.org>
parents:
diff changeset
17
9e1529bf0442 Move the 3k reST doc tree in place.
Georg Brandl <georg@python.org>
parents:
diff changeset
18 # For each row, print the value of each field left-justified within
9e1529bf0442 Move the 3k reST doc tree in place.
Georg Brandl <georg@python.org>
parents:
diff changeset
19 # the maximum possible width of that field.
9e1529bf0442 Move the 3k reST doc tree in place.
Georg Brandl <georg@python.org>
parents:
diff changeset
20 fieldIndices = range(len(cur.description))
9e1529bf0442 Move the 3k reST doc tree in place.
Georg Brandl <georg@python.org>
parents:
diff changeset
21 for row in cur:
9e1529bf0442 Move the 3k reST doc tree in place.
Georg Brandl <georg@python.org>
parents:
diff changeset
22 for fieldIndex in fieldIndices:
9e1529bf0442 Move the 3k reST doc tree in place.
Georg Brandl <georg@python.org>
parents:
diff changeset
23 fieldValue = str(row[fieldIndex])
9e1529bf0442 Move the 3k reST doc tree in place.
Georg Brandl <georg@python.org>
parents:
diff changeset
24 print(fieldValue.ljust(FIELD_MAX_WIDTH), end=' ')
9e1529bf0442 Move the 3k reST doc tree in place.
Georg Brandl <georg@python.org>
parents:
diff changeset
25
9e1529bf0442 Move the 3k reST doc tree in place.
Georg Brandl <georg@python.org>
parents:
diff changeset
26 print() # Finish the row with a newline.