def post(self, project_id):
post_data = request.form
if post_data:
job_instance = JobInstance()
job_instance.spider_name = post_data['spider_name']
job_instance.project_id = project_id
job_instance.spider_arguments = post_data.get('spider_arguments')
job_instance.desc = post_data.get('desc')
job_instance.tags = post_data.get('tags')
job_instance.run_type = post_data['run_type']
job_instance.priority = post_data.get('priority', 0)
if job_instance.run_type == 'onetime':
print(job_instance.run_type)
print('-+' * 100)
job_instance.enabled = -1
db.session.add(job_instance)
for i in range(3):
try:
db.session.commit()
break
except:
continue
agent.start_spider(job_instance)
if job_instance.run_type == "periodic":
job_instance.cron_minutes = post_data.get(
'cron_minutes') or '0'
job_instance.cron_hour = post_data.get('cron_hour') or '*'
job_instance.cron_day_of_month = post_data.get(
'cron_day_of_month') or '*'
job_instance.cron_day_of_week = post_data.get(
'cron_day_of_week') or '*'
job_instance.cron_month = post_data.get('cron_month') or '*'
db.session.add(job_instance)
db.session.commit()
return True
def job_add(project_id):
project = Project.find_project_by_id(project_id)
job_instance = JobInstance()
job_instance.spider_name = request.form['spider_name']
job_instance.project_id = project_id
job_instance.spider_arguments = request.form['spider_arguments']
job_instance.priority = request.form.get('priority', 0)
job_instance.run_type = request.form['run_type']
# chose daemon manually
if request.form['daemon'] != 'auto':
spider_args = []
if request.form['spider_arguments']:
spider_args = request.form['spider_arguments'].split(",")
spider_args.append("daemon={}".format(request.form['daemon']))
job_instance.spider_arguments = ','.join(spider_args)
if job_instance.run_type == JobRunType.ONETIME:
job_instance.enabled = -1
db.session.add(job_instance)
db.session.commit()
agent.start_spider(job_instance)
if job_instance.run_type == JobRunType.PERIODIC:
job_instance.cron_minutes = request.form.get('cron_minutes') or '0'
job_instance.cron_hour = request.form.get('cron_hour') or '*'
job_instance.cron_day_of_month = request.form.get(
'cron_day_of_month') or '*'
job_instance.cron_day_of_week = request.form.get(
'cron_day_of_week') or '*'
job_instance.cron_month = request.form.get('cron_month') or '*'
# set cron exp manually
if request.form.get('cron_exp'):
job_instance.cron_minutes, job_instance.cron_hour, job_instance.cron_day_of_month, job_instance.cron_day_of_week, job_instance.cron_month = \
request.form['cron_exp'].split(' ')
db.session.add(job_instance)
db.session.commit()
return redirect(request.referrer, code=302)
def job_add(project_id):
# Save the upload file, and save the file path to the
# job_instance.spider_arguments
dst = ''
if 'file' in request.files:
file = request.files['file']
# if user does not select file, browser also
# submit a empty part without filename
if file.filename == '':
pass
if file and allowed_seed(file.filename):
filename = secure_filename(file.filename)
dst = os.path.join(
app.config['UPLOAD_DIR'],
datetime.datetime.now().strftime("%Y-%m-%d-%H-%M-%S-") +
filename)
file.save(dst)
project = Project.find_project_by_id(project_id)
job_instance = JobInstance()
job_instance.spider_name = request.form['spider_name']
job_instance.project_id = project_id
job_instance.spider_arguments = request.form['spider_arguments']
if dst:
if job_instance.spider_arguments:
job_instance.spider_arguments += (",seed={}".format(dst))
else:
job_instance.spider_arguments = "seed={}".format(dst)
job_instance.priority = request.form.get('priority', 0)
job_instance.run_type = request.form['run_type']
# chose daemon manually
if request.form['daemon'] != 'auto':
spider_args = []
if request.form['spider_arguments']:
spider_args = request.form['spider_arguments'].split(",")
spider_args.append("daemon={}".format(request.form['daemon']))
job_instance.spider_arguments = ','.join(spider_args)
if job_instance.run_type == JobRunType.ONETIME:
job_instance.enabled = -1
db.session.add(job_instance)
db.session.commit()
agent.start_spider(job_instance)
if job_instance.run_type == JobRunType.PERIODIC:
job_instance.cron_minutes = request.form.get('cron_minutes') or '0'
job_instance.cron_hour = request.form.get('cron_hour') or '*'
job_instance.cron_day_of_month = request.form.get(
'cron_day_of_month') or '*'
job_instance.cron_day_of_week = request.form.get(
'cron_day_of_week') or '*'
job_instance.cron_month = request.form.get('cron_month') or '*'
# set cron exp manually
if request.form.get('cron_exp'):
job_instance.cron_minutes, job_instance.cron_hour, job_instance.cron_day_of_month, job_instance.cron_day_of_week, job_instance.cron_month = \
request.form['cron_exp'].split(' ')
db.session.add(job_instance)
db.session.commit()
return redirect(request.referrer, code=302)
def put(self, project_id, spider_id):
spider_instance = SpiderInstance.query.filter_by(project_id=project_id, id=spider_id).first()
if not spider_instance: abort(404)
job_instance = JobInstance()
job_instance.spider_name = spider_instance.spider_name
job_instance.project_id = project_id
job_instance.spider_arguments = request.form.get('spider_arguments')
job_instance.desc = request.form.get('desc')
job_instance.tags = request.form.get('tags')
job_instance.run_type = JobRunType.ONETIME
job_instance.priority = request.form.get('priority', 0)
job_instance.enabled = -1
db.session.add(job_instance)
db.session.commit()
agent.start_spider(job_instance)
return True
def run_once():
"""
功能: 单次运行爬虫
:param: project_id: 工程id
:param: spider_name: 爬虫名称
:param: spider_arguments: 爬虫需要传入的参数
:param: priority: 任务的优先级
:param: daemon: 任务线程的类型, 是否为守护线程
:return: json.dumps({"code": 200, "status": "success/e"}), e指具体抛出的异常
"""
try:
# 实例化JobInstance表
job_instance = JobInstance()
# 获取工程id参数
project_id = request.form.get('project_id')
# 获取爬虫名称并保存
job_instance.spider_name = request.form.get('spider_name')
# 保存project_id信息
job_instance.project_id = project_id
# 保存爬虫的参数信息
job_instance.spider_arguments = request.form.get('spider_arguments')
# 获取爬虫任务的优先级参数并保存
job_instance.priority = request.form.get('priority', 0)
# 将爬虫运行类型设置一次性运行方式
job_instance.run_type = 'onetime'
# 设置进程的类型
if request.form['daemon'] != 'auto':
spider_args = []
if request.form['spider_arguments']:
spider_args = request.form['spider_arguments'].split(",")
spider_args.append("daemon={}".format(request.form['daemon']))
job_instance.spider_arguments = ','.join(spider_args)
# 设置不可周期调度
job_instance.enabled = -1
# 数据库保存信息
db.session.add(job_instance)
db.session.commit()
# 启动爬虫实例
agent.start_spider(job_instance)
return json.dumps({"code": 200, "status": "success"})
except Exception as e:
return json.dumps({"code": 500, "status": "error", "msg": "运行错误"})
def job_add(project_id):
project = Project.find_project_by_id(project_id)
job_instance = JobInstance()
job_instance.spider_name = request.form['spider_name']
job_instance.project_id = project_id
job_instance.spider_arguments = request.form['spider_arguments']
job_instance.priority = request.form.get('priority', 0)
job_instance.run_type = request.form['run_type']
if job_instance.run_type == JobRunType.ONETIME:
job_instance.enabled = -1
db.session.add(job_instance)
db.session.commit()
agent.start_spider(job_instance)
if job_instance.run_type == JobRunType.PERIODIC:
job_instance.cron_minutes = request.form.get('cron_minutes') or '0'
job_instance.cron_hour = request.form.get('cron_hour') or '*'
job_instance.cron_day_of_month = request.form.get(
'cron_day_of_month') or '*'
job_instance.cron_day_of_week = request.form.get(
'cron_day_of_week') or '*'
job_instance.cron_month = request.form.get('cron_month') or '*'
db.session.add(job_instance)
db.session.commit()
return redirect(request.referrer, code=302)
def job_add(project_id):
project = Project.find_project_by_id(project_id)
job_instance = JobInstance()
job_instance.spider_name = request.form['spider_name']
job_instance.project_id = project_id
job_instance.spider_arguments = request.form['spider_arguments']
job_instance.priority = request.form.get('priority', 0)
job_instance.run_type = request.form['run_type']
spider_url = request.form['spider_url']
spider_models = request.form['spider_models']
if job_instance.spider_name == "news":
allowed_domains = spider_url.split('/')[2]
a = "allowed_domains=" + allowed_domains
a = a + "," + "model=" + spider_models
job_instance.spider_arguments = a
r = CRedis()
r.lpush(allowed_domains + ':start_urls', spider_url)
elif job_instance.spider_name == 'jd':
r = CRedis()
r.lpush('jd:start_urls', spider_url)
if job_instance.run_type == JobRunType.ONETIME:
job_instance.enabled = -1
db.session.add(job_instance)
db.session.commit()
agent.start_spider(job_instance)
if job_instance.run_type == JobRunType.PERIODIC:
job_instance.cron_minutes = request.form.get('cron_minutes') or '0'
job_instance.cron_hour = request.form.get('cron_hour') or '*'
job_instance.cron_day_of_month = request.form.get(
'cron_day_of_month') or '*'
job_instance.cron_day_of_week = request.form.get(
'cron_day_of_week') or '*'
job_instance.cron_month = request.form.get('cron_month') or '*'
db.session.add(job_instance)
db.session.commit()
return redirect(request.referrer, code=302)
