122 lines
3.7 KiB
Python
122 lines
3.7 KiB
Python
# -*- coding: utf-8 -*-
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"""
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wakatime.offlinequeue
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~~~~~~~~~~~~~~~~~~~~~
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Queue for saving heartbeats while offline.
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:copyright: (c) 2014 Alan Hamlett.
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:license: BSD, see LICENSE for more details.
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"""
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import logging
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import os
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import traceback
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from time import sleep
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try:
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import sqlite3
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HAS_SQL = True
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except ImportError:
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HAS_SQL = False
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log = logging.getLogger('WakaTime')
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class Queue(object):
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DB_FILE = os.path.join(os.path.expanduser('~'), '.wakatime.db')
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def connect(self):
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conn = sqlite3.connect(self.DB_FILE)
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c = conn.cursor()
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c.execute('''CREATE TABLE IF NOT EXISTS heartbeat (
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file text,
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time real,
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project text,
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branch text,
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is_write integer,
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stats text,
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misc text,
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plugin text)
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''')
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return (conn, c)
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def push(self, data, stats, plugin, misc=None):
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if not HAS_SQL:
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return
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try:
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conn, c = self.connect()
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heartbeat = {
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'file': data.get('file'),
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'time': data.get('time'),
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'project': data.get('project'),
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'branch': data.get('branch'),
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'is_write': 1 if data.get('is_write') else 0,
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'stats': stats,
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'misc': misc,
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'plugin': plugin,
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}
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c.execute('INSERT INTO heartbeat VALUES (:file,:time,:project,:branch,:is_write,:stats,:misc,:plugin)', heartbeat)
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conn.commit()
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conn.close()
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except sqlite3.Error:
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log.error(traceback.format_exc())
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def pop(self):
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if not HAS_SQL:
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return None
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tries = 3
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wait = 0.1
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heartbeat = None
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try:
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conn, c = self.connect()
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except sqlite3.Error:
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log.debug(traceback.format_exc())
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return None
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loop = True
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while loop and tries > -1:
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try:
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c.execute('BEGIN IMMEDIATE')
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c.execute('SELECT * FROM heartbeat LIMIT 1')
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row = c.fetchone()
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if row is not None:
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values = []
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clauses = []
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index = 0
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for row_name in ['file', 'time', 'project', 'branch', 'is_write']:
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if row[index] is not None:
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clauses.append('{0}=?'.format(row_name))
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values.append(row[index])
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else:
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clauses.append('{0} IS NULL'.format(row_name))
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index += 1
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if len(values) > 0:
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c.execute('DELETE FROM heartbeat WHERE {0}'.format(' AND '.join(clauses)), values)
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else:
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c.execute('DELETE FROM heartbeat WHERE {0}'.format(' AND '.join(clauses)))
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conn.commit()
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if row is not None:
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heartbeat = {
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'file': row[0],
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'time': row[1],
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'project': row[2],
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'branch': row[3],
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'is_write': True if row[4] is 1 else False,
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'stats': row[5],
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'misc': row[6],
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'plugin': row[7],
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}
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loop = False
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except sqlite3.Error:
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log.debug(traceback.format_exc())
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sleep(wait)
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tries -= 1
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try:
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conn.close()
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except sqlite3.Error:
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log.debug(traceback.format_exc())
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return heartbeat
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