def ft_db_connect_sqlite(path=None):
"""
Connect to sqlite dababase, with given path or default path.
"""
if path != None:
db_path = path
else:
db_path = ft_getconfig('DATABASEPATH')+ft_getconfig('DATABASENAME')
conn = sqlite3.connect(db_path)
return conn
def ft_api_submit():
"""
Used for XHR to POST desired flasktex job.
QUERY_STRING example as follows:
* renderer=xelatex
* timeout=60
"""
# TODO AUTH
# Then, obtain data and start the job
try:
data = request.get_data().decode('UTF-8')
except UnicodeDecodeError as e:
abort(400, 'UnicodeDecodeError')
renderer = ft_getconfig('DEFAULTRENDERER')
timeout = ft_getconfig('WORKERTIMEOUT')
if not request.args.get('renderer') == None:
renderer = request.args.get('renderer')
if not request.args.get('timeout') == None:
timeout = request.args.get('timeout')
worker = flasktex.texworker.TexWorker(data, renderer=renderer, timeout=timeout)
worker.run()
return make_response('ok workid={}'.format(worker.workid), 200)
"""
Background worker for latex
"""
import subprocess
import os, sys
import shutil
import signal
import sqlite3
import time
import syslog
import multiprocessing
from flasktex.config import ft_getconfig
# CONFIG
DEFAULT_RENDERER = ft_getconfig("DEFAULTRENDERER")
DEFAULT_TIMEOUT = ft_getconfig("WORKERTIMEOUT")
DATABASE_NAME = ft_getconfig("DATABASENAME")
DATABASE_PATH = ft_getconfig("DATABASEPATH")
assert DEFAULT_RENDERER
assert DEFAULT_TIMEOUT
assert DATABASE_NAME
assert DATABASE_PATH
class TexWorker():
"""
A background worker to automatically finish the work.
Will indeed daemonize by double-fork.
Will end-up in given seconds.
"""