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issue2550839: Xapian, DatabaseLockError: Unable to get write lock on
db/text-index: already locked
I put in a retry loop that will attempt to get the lock. 10 tries with
a delaythatvaries from .02 seconds to .64 seconds. Total delay over 10
cycles approx. 4.5 seconds.
I can't figure out how to make pytest run two parallel processes to
test this code. I did try running:
./run_tests.py -k Xapian test/test_indexer.py &
./run_tests.py -k Xapian test/test_indexer.py
and confirmed that one of the processes seemed to hang on a test and
then threw a lock failure error. So at least the code path is being
exercised.
If anybody knows how to correctly test this I would love to do a real
test.
| author | John Rouillard <rouilj@ieee.org> |
|---|---|
| date | Wed, 13 Jul 2016 19:42:44 -0400 |
| parents | 6e9b9743de89 |
| children | c75defc1c2f0 |
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#! /usr/bin/env python ''' Usage: %s <tracker home> <priority> <issue title> Create a new issue in the given tracker. Input is taken from STDIN to create the initial issue message (which may be empty). Issues will be created as the current user (%s) if they exist as a Roundup user, or "admin" otherwise. ''' import sys, os, pwd from roundup import instance, mailgw, date # open the instance username = pwd.getpwuid(os.getuid())[0] if len(sys.argv) < 3: print "Error: Not enough arguments" print __doc__.strip()%(sys.argv[0], username) sys.exit(1) tracker_home = sys.argv[1] issue_priority = sys.argv[2] issue_title = ' '.join(sys.argv[3:]) # get the message, if any message_text = sys.stdin.read().strip() # open the tracker tracker = instance.open(tracker_home) db = tracker.open('admin') db.tx_Source = "cli" uid = db.user.lookup('admin') try: # try to open the tracker as the current user uid = db.user.lookup(username) db.close() db = tracker.open(username) except KeyError: pass try: # handle the message messages = [] if message_text: summary, x = mailgw.parseContent(message_text, 0, 0) msg = db.msg.create(content=message_text, summary=summary, author=uid, date=date.Date()) messages = [msg] # now create the issue db.issue.create(title=issue_title, priority=issue_priority, messages=messages) db.commit() finally: db.close() # vim: set filetype=python ts=4 sw=4 et si
