forked from luna/vim-rana-local
125 lines
3.1 KiB
Python
125 lines
3.1 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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from time import sleep
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from .compat import json
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from .heartbeat import Heartbeat
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try:
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import sqlite3
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HAS_SQL = True
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except ImportError: # pragma: nocover
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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 = '.wakatime.db'
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table_name = 'heartbeat_2'
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args = None
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configs = None
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def __init__(self, args, configs):
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self.args = args
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self.configs = configs
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def connect(self):
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conn = sqlite3.connect(self._get_db_file(), isolation_level=None)
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c = conn.cursor()
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c.execute('''CREATE TABLE IF NOT EXISTS {0} (
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id text,
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heartbeat text)
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'''.format(self.table_name))
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return (conn, c)
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def push(self, heartbeat):
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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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data = {
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'id': heartbeat.get_id(),
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'heartbeat': heartbeat.json(),
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}
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c.execute('INSERT INTO {0} VALUES (:id,:heartbeat)'.format(self.table_name), data)
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conn.commit()
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conn.close()
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except sqlite3.Error:
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log.traceback()
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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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try:
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conn, c = self.connect()
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except sqlite3.Error:
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log.traceback(logging.DEBUG)
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return None
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heartbeat = 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 {0} LIMIT 1'.format(self.table_name))
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row = c.fetchone()
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if row is not None:
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id = row[0]
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heartbeat = Heartbeat(json.loads(row[1]), self.args, self.configs, _clone=True)
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c.execute('DELETE FROM {0} WHERE id=?'.format(self.table_name), [id])
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conn.commit()
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loop = False
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except sqlite3.Error:
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log.traceback(logging.DEBUG)
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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.traceback(logging.DEBUG)
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return heartbeat
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def push_many(self, heartbeats):
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for heartbeat in heartbeats:
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self.push(heartbeat)
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def pop_many(self, limit=None):
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if limit is None:
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limit = 5
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heartbeats = []
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count = 0
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while limit == 0 or count < limit:
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heartbeat = self.pop()
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if not heartbeat:
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break
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heartbeats.append(heartbeat)
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count += 1
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return heartbeats
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def _get_db_file(self):
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home = '~'
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if os.environ.get('WAKATIME_HOME'):
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home = os.environ.get('WAKATIME_HOME')
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return os.path.join(os.path.expanduser(home), '.wakatime.db')
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