def __init__(self, result, follows, messages, logs, exception, extinfo):
self.result = unicode_obj(result)
self.follows = unicode_obj(follows)
self.messages = unicode_obj(messages)
self.logs = logs
self.exception = unicode_obj(exception)
self.extinfo = unicode_obj(extinfo)
def run(project):
task = utils.decode_unicode_obj(json.loads(request.form['task']))
project_info = {
'name': project,
'status': 'DEBUG',
'script': request.form['script'],
}
fetch_result = {}
start_time = time.time()
try:
fetch_result = app.config['fetch'](task)
response = rebuild_response(fetch_result)
module = build_module(project_info, {
'debugger': True
})
ret = module['instance'].run(module['module'], task, response)
except Exception:
type, value, tb = sys.exc_info()
tb = utils.hide_me(tb, globals())
logs = ''.join(traceback.format_exception(type, value, tb))
result = {
'fetch_result': fetch_result,
'logs': logs,
'follows': [],
'messages': [],
'result': None,
'time': time.time() - start_time,
}
else:
result = {
'fetch_result': fetch_result,
'logs': ret.logstr(),
'follows': ret.follows,
'messages': ret.messages,
'result': ret.result,
'time': time.time() - start_time,
}
result['fetch_result']['content'] = response.text
try:
# binary data can't encode to JSON, encode result as unicode obj
# before send it to frontend
return json.dumps(utils.unicode_obj(result)), 200, {'Content-Type': 'application/json'}
except Exception:
type, value, tb = sys.exc_info()
tb = utils.hide_me(tb, globals())
logs = ''.join(traceback.format_exception(type, value, tb))
result = {
'fetch_result': "",
'logs': logs,
'follows': [],
'messages': [],
'result': None,
'time': time.time() - start_time,
}
return json.dumps(utils.unicode_obj(result)), 200, {'Content-Type': 'application/json'}
def get_active_tasks(project=None, limit=100):
allowed_keys = set((
'taskid',
'project',
'status',
'url',
'lastcrawltime',
'updatetime',
'track',
))
iters = [iter(x['active_tasks']) for k, x in iteritems(self.projects)
if x and (k == project if project else True)]
tasks = [next(x, None) for x in iters]
result = []
while len(result) < limit and tasks and not all(x is None for x in tasks):
updatetime, task = t = max(tasks)
i = tasks.index(t)
tasks[i] = next(iters[i], None)
for key in list(task):
if key == 'track':
track = {}
if 'fetch' in task['track'] and 'ok' in task['track']['fetch']:
track['fetch'] = {'ok': task['track']['fetch']['ok']}
if 'process' in task['track'] and 'ok' in task['track']['process']:
track['process'] = {'ok': task['track']['process']['ok']}
task['track'] = track
elif key in allowed_keys:
continue
del task[key]
result.append(t)
# fix for "<type 'exceptions.TypeError'>:dictionary key must be string"
# have no idea why
return utils.unicode_obj(json.loads(json.dumps(result)))
def get_script(project):
projectdb = app.config['projectdb']
if not projectdb.verify_project_name(project):
return 'project name is not allowed!', 400
info = projectdb.get(project, fields=['name', 'script'])
return json.dumps(utils.unicode_obj(info)), \
200, {'Content-Type': 'application/json'}
def get_script(project):
projectdb = app.config['projectdb']
if not projectdb.verify_project_name(project):
return 'project name is not allowed!', 400
info = projectdb.get(project, fields=['name', 'script'])
return json.dumps(utils.unicode_obj(info)), \
200, {'Content-Type': 'application/json'}
def spiderweb_get_data(project):
projectdb = app.config['projectdb']
print(request.values)
url1 = request.form.get('url')
print(url1)
conn = pymysql.connect(host='127.0.0.1',port=3306,user='******',password='******',db='repository',charset='utf8')
cur= conn.cursor()
cur.execute("select url,title,content,publish_time,crawl_time from shuiliting where project_id = %s",url1)
result = cur.fetchall()
return json.dumps(utils.unicode_obj(result)), 200, {'Content-Type': 'application/json'}
def save(project):
projectdb = app.config['projectdb']
if not projectdb.verify_project_name(project):
return 'project name is not allowed!', 400
script = request.form['script']
project_info = projectdb.get(project, fields=['name', 'status', 'group'])
if project_info and 'lock' in projectdb.split_group(project_info.get('group')) \
and not login.current_user.is_active():
return app.login_response
if project_info:
info = {
'script': script,
}
if project_info.get('status') in (
'DEBUG',
'RUNNING',
):
info['status'] = 'CHECKING'
projectdb.update(project, utils.unicode_obj(info))
else:
info = {
'name': project,
'script': script,
'status': 'TODO',
'rate': app.config.get('max_rate', 1),
'burst': app.config.get('max_burst', 3),
}
projectdb.insert(project, utils.unicode_obj(info))
rpc = app.config['scheduler_rpc']
if rpc is not None:
try:
rpc.update_project()
except socket.error as e:
app.logger.warning('connect to scheduler rpc error: %r', e)
return 'rpc error', 200
return 'ok', 200
def restart(self, project, status):
restart_tasks = list()
for task in self.taskdb.load_tasks(status, project):
url = task['url']
if task['taskid'] in self.task_queue[task['project']]:
continue
url = task['url']
if url.startswith('data') or url.startswith('curl'):
continue
task.setdefault('schedule', self.default_schedule)
task['schedule']['force_update'] = True
restart_tasks.append(task)
for each in (restart_tasks[x:x + 1000]
for x in range(0, len(restart_tasks), 1000)):
self.newtask_queue.put(
[utils.unicode_obj(newtask) for newtask in each])
logger.info("restart tasks of project %s success!" % project)
def get_active_tasks(project=None, limit=100):
allowed_keys = set((
'taskid',
'project',
'status',
'url',
'lastcrawltime',
'updatetime',
'track',
))
iters = [
iter(x['active_tasks']) for k, x in iteritems(self.projects)
if x and (k == project if project else True)
]
tasks = [next(x, None) for x in iters]
result = []
while len(result) < limit and tasks and not all(x is None
for x in tasks):
updatetime, task = t = max(tasks)
i = tasks.index(t)
tasks[i] = next(iters[i], None)
for key in list(task):
if key == 'track':
track = {}
if 'fetch' in task['track'] and 'ok' in task['track'][
'fetch']:
track['fetch'] = {
'ok': task['track']['fetch']['ok']
}
if 'process' in task['track'] and 'ok' in task[
'track']['process']:
track['process'] = {
'ok': task['track']['process']['ok']
}
task['track'] = track
elif key in allowed_keys:
continue
del task[key]
result.append(t)
# fix for "<type 'exceptions.TypeError'>:dictionary key must be string"
# have no idea why
return utils.unicode_obj(json.loads(json.dumps(result)))
def add_seed(self, seed_path, project, callback):
new_tasks = list()
from pyspider.libs.utils import md5string
with open(seed_path) as fi:
for line in fi:
url = line.strip().decode('utf-8')
task = {}
task['url'] = url
task['project'] = project
task['status'] = 1
task.setdefault('schedule', {'force_update': True})
task['taskid'] = md5string(task['url'])
task['fetch'] = {}
task['process'] = {}
task['process']['callback'] = callback
task['depth'] = 0
new_tasks.append(task)
for each in (new_tasks[x:x + 1000]
for x in range(0, len(new_tasks), 1000)):
self.newtask_queue.put(
[utils.unicode_obj(newtask) for newtask in each])
logger.info("add seed success for project %s!" % project)
def migrate(pool, from_connection, to_connection):
"""
Migrate tool for pyspider
"""
f = connect_database(from_connection)
t = connect_database(to_connection)
if isinstance(f, ProjectDB):
for each in f.get_all():
each = unicode_obj(each)
logging.info("projectdb: %s", each['name'])
t.drop(each['name'])
t.insert(each['name'], each)
elif isinstance(f, TaskDB):
pool = Pool(pool)
pool.map(lambda x, f=from_connection, t=to_connection:
taskdb_migrating(x, f, t),
f.projects)
elif isinstance(f, ResultDB):
pool = Pool(pool)
pool.map(lambda x, f=from_connection, t=to_connection:
resultdb_migrating(x, f, t),
f.projects)
def migrate(pool, from_connection, to_connection):
"""
Migrate tool for pyspider
"""
f = connect_database(from_connection)
t = connect_database(to_connection)
if isinstance(f, ProjectDB):
for each in f.get_all():
each = unicode_obj(each)
logging.info("projectdb: %s", each['name'])
t.drop(each['name'])
t.insert(each['name'], each)
elif isinstance(f, TaskDB):
pool = Pool(pool)
pool.map(
lambda x, f=from_connection, t=to_connection: taskdb_migrating(x, f, t),
f.projects)
elif isinstance(f, ResultDB):
pool = Pool(pool)
pool.map(
lambda x, f=from_connection, t=to_connection: resultdb_migrating(x, f, t),
f.projects)
def on_task(self, task, response):
'''Deal one task'''
start_time = time.time()
response = rebuild_response(response)
try:
assert 'taskid' in task, 'need taskid in task'
project = task['project']
updatetime = task.get('project_updatetime', None)
md5sum = task.get('project_md5sum', None)
project_data = self.project_manager.get(project, updatetime,
md5sum)
assert project_data, "no such project!"
if project_data.get('exception'):
ret = ProcessorResult(
logs=(project_data.get('exception_log'), ),
exception=project_data['exception'])
else:
ret = project_data['instance'].run_task(
project_data['module'], task, response)
except Exception as e:
logstr = traceback.format_exc()
ret = ProcessorResult(logs=(logstr, ), exception=e)
process_time = time.time() - start_time
if not ret.extinfo.get('not_send_status', False):
if ret.exception:
track_headers = dict(response.headers)
else:
track_headers = {}
for name in ('etag', 'last-modified'):
if name not in response.headers:
continue
track_headers[name] = response.headers[name]
status_pack = {
'taskid': task['taskid'],
'project': task['project'],
'url': task.get('url'),
'track': {
'fetch': {
'ok':
response.isok(),
'redirect_url':
response.url
if response.url != response.orig_url else None,
'time':
response.time,
'error':
response.error,
'status_code':
response.status_code,
'encoding':
getattr(response, '_encoding', None),
'headers':
track_headers,
'content':
response.text[:500] if ret.exception else None,
},
'process': {
'ok':
not ret.exception,
'time':
process_time,
'follows':
len(ret.follows),
'result': (None if ret.result is None else utils.text(
ret.result)[:self.RESULT_RESULT_LIMIT]),
'logs':
ret.logstr()[-self.RESULT_LOGS_LIMIT:],
'exception':
ret.exception,
},
'save': ret.save,
},
}
if 'schedule' in task:
status_pack['schedule'] = task['schedule']
# FIXME: unicode_obj should used in scheduler before store to database
# it's used here for performance.
self.status_queue.put(utils.unicode_obj(status_pack))
# FIXME: unicode_obj should used in scheduler before store to database
# it's used here for performance.
if ret.follows:
for each in (ret.follows[x:x + 1000]
for x in range(0, len(ret.follows), 1000)):
self.newtask_queue.put(
[utils.unicode_obj(newtask) for newtask in each])
for project, msg, url in ret.messages:
try:
self.on_task(
{
'taskid': utils.md5string(url),
'project': project,
'url': url,
'process': {
'callback': '_on_message',
}
}, {
'status_code': 200,
'url': url,
'save': (task['project'], msg),
})
except Exception as e:
logger.exception('Sending message error.')
continue
if ret.exception:
logger_func = logger.error
else:
logger_func = logger.info
logger_func(
'process %s:%s %s -> [%d] len:%d -> result:%.10r fol:%d msg:%d err:%r'
% (task['project'], task['taskid'], task.get('url'),
response.status_code, len(response.content), ret.result,
len(ret.follows), len(ret.messages), ret.exception))
return True
return False
process_time = time.time() - start_time
if not ret.extinfo.get('not_send_status', False):
status_pack = utils.unicode_obj({
'taskid': task['taskid'],
'project': task['project'],
'url': task.get('url'),
'track': {
'fetch': {
'ok': response.isok(),
'time': response.time,
'status_code': response.status_code,
'headers': dict(response.headers),
'encoding': response.encoding,
'content': response.content[:500] \
if not response.isok() or ret.exception else None,
},
'process': {
'ok': not ret.exception,
'time': process_time,
'follows': len(ret.follows),
'result': unicode(ret.result)[:100],
'logs': ret.logstr()[-200:],
'exception': ret.exception,
},
},
})
self.status_queue.put(status_pack)
for newtask in ret.follows:
self.newtask_queue.put(newtask)
def run(project):
start_time = time.time()
try:
task = utils.decode_unicode_obj(json.loads(request.form['task']))
except Exception:
result = {
'fetch_result': "",
'logs': u'task json error',
'follows': [],
'messages': [],
'result': None,
'time': time.time() - start_time,
}
return json.dumps(utils.unicode_obj(result)), \
200, {'Content-Type': 'application/json'}
project_info = {
'name': project,
'status': 'DEBUG',
'script': request.form['script'],
}
if request.form.get('webdav_mode') == 'true':
projectdb = app.config['projectdb']
info = projectdb.get(project, fields=['name', 'script'])
if not info:
result = {
'fetch_result': "",
'logs': u' in wevdav mode, cannot load script',
'follows': [],
'messages': [],
'result': None,
'time': time.time() - start_time,
}
return json.dumps(utils.unicode_obj(result)), \
200, {'Content-Type': 'application/json'}
project_info['script'] = info['script']
fetch_result = {}
try:
fetch_result = app.config['fetch'](task)
response = rebuild_response(fetch_result)
module = ProjectManager.build_module(project_info, {
'debugger': True
})
ret = module['instance'].run_task(module['module'], task, response)
except Exception:
type, value, tb = sys.exc_info()
tb = utils.hide_me(tb, globals())
logs = ''.join(traceback.format_exception(type, value, tb))
result = {
'fetch_result': fetch_result,
'logs': logs,
'follows': [],
'messages': [],
'result': None,
'time': time.time() - start_time,
}
else:
result = {
'fetch_result': fetch_result,
'logs': ret.logstr(),
'follows': ret.follows,
'messages': ret.messages,
'result': ret.result,
'time': time.time() - start_time,
}
result['fetch_result']['content'] = response.text
if (response.headers.get('content-type', '').startswith('image')):
result['fetch_result']['dataurl'] = dataurl.encode(
response.content, response.headers['content-type'])
try:
# binary data can't encode to JSON, encode result as unicode obj
# before send it to frontend
return json.dumps(utils.unicode_obj(result)), 200, {'Content-Type': 'application/json'}
except Exception:
type, value, tb = sys.exc_info()
tb = utils.hide_me(tb, globals())
logs = ''.join(traceback.format_exception(type, value, tb))
result = {
'fetch_result': "",
'logs': logs,
'follows': [],
'messages': [],
'result': None,
'time': time.time() - start_time,
}
return json.dumps(utils.unicode_obj(result)), 200, {'Content-Type': 'application/json'}
return False
process_time = time.time() - start_time
if not ret.extinfo.get('not_send_status', False):
status_pack = utils.unicode_obj({
'taskid': task['taskid'],
'project': task['project'],
'url': task.get('url'),
'track': {
'fetch': {
'ok': response.isok(),
'time': response.time,
'status_code': response.status_code,
'headers': dict(response.headers),
'encoding': response.encoding,
'content': response.content[:500] \
if not response.isok() or ret.exception else None,
},
'process': {
'ok': not ret.exception,
'time': process_time,
'follows': len(ret.follows),
'result': unicode(ret.result)[:self.RESULT_RESULT_LIMIT],
'logs': ret.logstr()[-self.RESULT_LOGS_LIMIT:],
'exception': ret.exception,
},
},
})
self.status_queue.put(status_pack)
for newtask in ret.follows:
self.newtask_queue.put(newtask)
def on_task(self, task, response):
start_time = time.time()
try:
response = rebuild_response(response)
assert 'taskid' in task, 'need taskid in task'
project = task['project']
updatetime = task.get('updatetime', None)
project_data = self.project_manager.get(project, updatetime)
if not project_data:
logger.error("no such project: %s", project)
return False
ret = project_data['instance'].run(
project_data['module'], task, response)
except Exception as e:
logger.exception(e)
return False
process_time = time.time() - start_time
if not ret.extinfo.get('not_send_status', False):
if ret.exception:
track_headers = dict(response.headers)
else:
track_headers = {}
for name in ('etag', 'last-modified'):
if name not in response.headers:
continue
track_headers[name] = response.headers[name]
status_pack = {
'taskid': task['taskid'],
'project': task['project'],
'url': task.get('url'),
'track': {
'fetch': {
'ok': response.isok(),
'redirect_url': response.url if response.url != response.orig_url else None,
'time': response.time,
'error': response.error,
'status_code': response.status_code,
'encoding': response.encoding,
'headers': track_headers,
'content': response.content[:500] if ret.exception else None,
},
'process': {
'ok': not ret.exception,
'time': process_time,
'follows': len(ret.follows),
'result': (
None if ret.result is None
else utils.text(ret.result)[:self.RESULT_RESULT_LIMIT]
),
'logs': ret.logstr()[-self.RESULT_LOGS_LIMIT:],
'exception': ret.exception,
},
},
}
# FIXME: unicode_obj should used in scheduler before store to database
# it's used here for performance.
self.status_queue.put(utils.unicode_obj(status_pack))
# FIXME: unicode_obj should used in scheduler before store to database
# it's used here for performance.
if ret.follows:
self.newtask_queue.put([utils.unicode_obj(newtask) for newtask in ret.follows])
for project, msg, url in ret.messages:
self.inqueue.put(({
'taskid': utils.md5string(url),
'project': project,
'url': url,
'process': {
'callback': '_on_message',
}
}, {
'status_code': 200,
'url': url,
'save': (task['project'], msg),
}))
if response.error or ret.exception:
logger_func = logger.error
else:
logger_func = logger.info
logger_func('process %s:%s %s -> [%d] len:%d -> result:%.10r fol:%d msg:%d err:%r' % (
task['project'], task['taskid'],
task.get('url'), response.status_code, len(response.content),
ret.result, len(ret.follows), len(ret.messages), ret.exception))
return True
if not response.isok() or ret.exception else None,
},
'process': {
'ok': not ret.exception,
'time': process_time,
'follows': len(ret.follows),
'result': unicode(ret.result)[:self.RESULT_RESULT_LIMIT],
'logs': ret.logstr()[-self.RESULT_LOGS_LIMIT:],
'exception': ret.exception,
},
},
}
# FIXME: unicode_obj should used in scheduler before store to database
# it's used here for performance.
self.status_queue.put(utils.unicode_obj(status_pack))
for newtask in ret.follows:
# FIXME: unicode_obj should used in scheduler before store to database
# it's used here for performance.
self.newtask_queue.put(utils.unicode_obj(newtask))
for project, msg, url in ret.messages:
self.inqueue.put(({
'taskid': utils.md5string(url),
'project': project,
'url': url,
'process': {
'callback': '_on_message',
}
}, {
def run(project):
start_time = time.time()
try:
task = utils.decode_unicode_obj(json.loads(request.form['task']))
except Exception:
result = {
'fetch_result': "",
'logs': u'task json error',
'follows': [],
'messages': [],
'result': None,
'time': time.time() - start_time,
}
return json.dumps(utils.unicode_obj(result)), \
200, {'Content-Type': 'application/json'}
project_info = {
'name': project,
'status': 'DEBUG',
'script': request.form['script'],
}
if request.form.get('webdav_mode') == 'true':
projectdb = app.config['projectdb']
info = projectdb.get(project, fields=['name', 'script'])
if not info:
result = {
'fetch_result': "",
'logs': u' in wevdav mode, cannot load script',
'follows': [],
'messages': [],
'result': None,
'time': time.time() - start_time,
}
return json.dumps(utils.unicode_obj(result)), \
200, {'Content-Type': 'application/json'}
project_info['script'] = info['script']
fetch_result = {}
try:
fetch_result = app.config['fetch'](task)
response = rebuild_response(fetch_result)
module = ProjectManager.build_module(project_info, {'debugger': True})
ret = module['instance'].run_task(module['module'], task, response)
except Exception:
type, value, tb = sys.exc_info()
tb = utils.hide_me(tb, globals())
logs = ''.join(traceback.format_exception(type, value, tb))
result = {
'fetch_result': fetch_result,
'logs': logs,
'follows': [],
'messages': [],
'result': None,
'time': time.time() - start_time,
}
else:
result = {
'fetch_result': fetch_result,
'logs': ret.logstr(),
'follows': ret.follows,
'messages': ret.messages,
'result': ret.result,
'time': time.time() - start_time,
}
result['fetch_result']['content'] = response.text
if (response.headers.get('content-type', '').startswith('image')):
result['fetch_result']['dataurl'] = dataurl.encode(
response.content, response.headers['content-type'])
try:
# binary data can't encode to JSON, encode result as unicode obj
# before send it to frontend
return json.dumps(utils.unicode_obj(result)), 200, {
'Content-Type': 'application/json'
}
except Exception:
type, value, tb = sys.exc_info()
tb = utils.hide_me(tb, globals())
logs = ''.join(traceback.format_exception(type, value, tb))
result = {
'fetch_result': "",
'logs': logs,
'follows': [],
'messages': [],
'result': None,
'time': time.time() - start_time,
}
return json.dumps(utils.unicode_obj(result)), 200, {
'Content-Type': 'application/json'
}
def on_task(self, task, response):
'''Deal one task'''
start_time = time.time()
response = rebuild_response(response)
try:
assert 'taskid' in task, 'need taskid in task'
project = task['project']
updatetime = task.get('project_updatetime', None)
md5sum = task.get('project_md5sum', None)
project_data = self.project_manager.get(project, updatetime, md5sum)
assert project_data, "no such project!"
if project_data.get('exception'):
ret = ProcessorResult(logs=(project_data.get('exception_log'), ),
exception=project_data['exception'])
else:
ret = project_data['instance'].run_task(
project_data['module'], task, response)
except Exception as e:
logstr = traceback.format_exc()
ret = ProcessorResult(logs=(logstr, ), exception=e)
process_time = time.time() - start_time
if not ret.extinfo.get('not_send_status', False):
if ret.exception:
track_headers = dict(response.headers)
else:
track_headers = {}
for name in ('etag', 'last-modified'):
if name not in response.headers:
continue
track_headers[name] = response.headers[name]
status_pack = {
'taskid': task['taskid'],
'project': task['project'],
'url': task.get('url'),
'track': {
'fetch': {
'ok': response.isok(),
'redirect_url': response.url if response.url != response.orig_url else None,
'time': response.time,
'error': response.error,
'status_code': response.status_code,
'encoding': response.encoding,
'headers': track_headers,
'content': response.text[:500] if ret.exception else None,
},
'process': {
'ok': not ret.exception,
'time': process_time,
'follows': len(ret.follows),
'result': (
None if ret.result is None
else utils.text(ret.result)[:self.RESULT_RESULT_LIMIT]
),
'logs': ret.logstr()[-self.RESULT_LOGS_LIMIT:],
'exception': ret.exception,
},
'save': ret.save,
},
}
if 'schedule' in task:
status_pack['schedule'] = task['schedule']
# FIXME: unicode_obj should used in scheduler before store to database
# it's used here for performance.
self.status_queue.put(utils.unicode_obj(status_pack))
# FIXME: unicode_obj should used in scheduler before store to database
# it's used here for performance.
# logger.info('process follows :%s' % ret.follows)
# logger.info('process messages :%s' % ret.messages)
if ret.follows:
for each in (ret.follows[x:x + 1000] for x in range(0, len(ret.follows), 1000)):
self.newtask_queue.put([utils.unicode_obj(newtask) for newtask in each])
for project, msg, url in ret.messages:
try:
self.on_task({
'taskid': utils.md5string(url),
'project': project,
'url': url,
'process': {
'callback': '_on_message',
}
}, {
'status_code': 200,
'url': url,
'save': (task['project'], msg),
})
except Exception as e:
logger.exception('Sending message error.')
continue
if ret.exception:
logger_func = logger.error
else:
logger_func = logger.info
logger_func('process %s:%s %s -> [%d] len:%d -> result:%.10r fol:%d msg:%d err:%r' % (
task['project'], task['taskid'],
task.get('url'), response.status_code, len(response.content),
ret.result, len(ret.follows), len(ret.messages), ret.exception))
return True
def api_debug_run(project):
start_time = time.time()
try:
task = utils.decode_unicode_obj(json.loads(request.form['task']))
except Exception:
result = {
'fetch_result': "",
'logs': u'task json error',
'follows': [],
'messages': [],
'result': None,
'time': time.time() - start_time,
}
return json.dumps({
'Status': 1,
'Result': utils.unicode_obj(result)
}), 200, cors_resp_header
project_info = {
'name': project,
'status': 'DEBUG',
'script': request.form['script'],
}
if request.form.get('webdav_mode') == 'true':
projectdb = app.config['projectdb']
info = projectdb.get(project, fields=['name', 'script'])
if not info:
result = {
'fetch_result': "",
'logs': u' in wevdav mode, cannot load script',
'follows': [],
'messages': [],
'result': None,
'time': time.time() - start_time,
}
return json.dumps({
'Status': 1,
'Result': utils.unicode_obj(result)
}), 200, cors_resp_header
project_info['script'] = info['script']
fetch_result = {}
try:
module = ProjectManager.build_module(
project_info, {
'debugger': True,
'process_time_limit': app.config['process_time_limit'],
})
# The code below is to mock the behavior that crawl_config been joined when selected by scheduler.
# but to have a better view of joined tasks, it has been done in BaseHandler.crawl when `is_debugger is True`
# crawl_config = module['instance'].crawl_config
# task = module['instance'].task_join_crawl_config(task, crawl_config)
fetch_result = app.config['fetch'](task)
response = rebuild_response(fetch_result)
ret = module['instance'].run_task(module['module'], task, response)
except Exception:
type, value, tb = sys.exc_info()
tb = utils.hide_me(tb, globals())
logs = ''.join(traceback.format_exception(type, value, tb))
result = {
'fetch_result': fetch_result,
'logs': logs,
'follows': [],
'messages': [],
'result': None,
'time': time.time() - start_time,
}
else:
result = {
'fetch_result': fetch_result,
'logs': ret.logstr(),
'follows': ret.follows,
'messages': ret.messages,
'result': ret.result,
'time': time.time() - start_time,
}
result['fetch_result']['content'] = response.text
if (response.headers.get('content-type', '').startswith('image')):
result['fetch_result']['dataurl'] = dataurl.encode(
response.content, response.headers['content-type'])
try:
# binary data can't encode to JSON, encode result as unicode obj
# before send it to frontend
return json.dumps({
'Status': 1,
'Result': utils.unicode_obj(result)
}), 200, cors_resp_header
except Exception:
type, value, tb = sys.exc_info()
tb = utils.hide_me(tb, globals())
logs = ''.join(traceback.format_exception(type, value, tb))
result = {
'fetch_result': "",
'logs': logs,
'follows': [],
'messages': [],
'result': None,
'time': time.time() - start_time,
}
return json.dumps({
'Status': 1,
'Result': utils.unicode_obj(result)
}), 200, cors_resp_header
def run(project):
start_time = time.time()
try:
task = utils.decode_unicode_obj(json.loads(request.form['task']))
except Exception:
result = {
'fetch_result': "",
'logs': u'task json error',
'follows': [],
'messages': [],
'result': None,
'time': time.time() - start_time,
}
return json.dumps(utils.unicode_obj(result)), 200, {
'Content-Type': 'application/json'
}
project_info = {
'name': project,
'status': 'DEBUG',
'script': request.form['script'],
}
fetch_result = {}
try:
fetch_result = app.config['fetch'](task)
response = rebuild_response(fetch_result)
module = ProjectManager.build_module(project_info, {'debugger': True})
ret = module['instance'].run(module['module'], task, response)
except Exception:
type, value, tb = sys.exc_info()
tb = utils.hide_me(tb, globals())
logs = ''.join(traceback.format_exception(type, value, tb))
result = {
'fetch_result': fetch_result,
'logs': logs,
'follows': [],
'messages': [],
'result': None,
'time': time.time() - start_time,
}
else:
result = {
'fetch_result': fetch_result,
'logs': ret.logstr(),
'follows': ret.follows,
'messages': ret.messages,
'result': ret.result,
'time': time.time() - start_time,
}
result['fetch_result']['content'] = response.text
try:
# binary data can't encode to JSON, encode result as unicode obj
# before send it to frontend
return json.dumps(utils.unicode_obj(result)), 200, {
'Content-Type': 'application/json'
}
except Exception:
type, value, tb = sys.exc_info()
tb = utils.hide_me(tb, globals())
logs = ''.join(traceback.format_exception(type, value, tb))
result = {
'fetch_result': "",
'logs': logs,
'follows': [],
'messages': [],
'result': None,
'time': time.time() - start_time,
}
return json.dumps(utils.unicode_obj(result)), 200, {
'Content-Type': 'application/json'
}
def on_task(self, task, response):
start_time = time.time()
try:
response = rebuild_response(response)
assert 'taskid' in task, 'need taskid in task'
project = task['project']
updatetime = task.get('updatetime', None)
project_data = self.project_manager.get(project, updatetime)
if not project_data:
logger.error("no such project: %s", project)
return False
ret = project_data['instance'].run(project_data['module'], task,
response)
except Exception as e:
logger.exception(e)
return False
process_time = time.time() - start_time
if not ret.extinfo.get('not_send_status', False):
status_pack = {
'taskid': task['taskid'],
'project': task['project'],
'url': task.get('url'),
'track': {
'fetch': {
'ok':
response.isok(),
'time':
response.time,
'status_code':
response.status_code,
'headers':
dict(response.headers),
'encoding':
response.encoding,
'content':
(response.content[:500] if ret.exception else None),
},
'process': {
'ok': not ret.exception,
'time': process_time,
'follows': len(ret.follows),
'result':
utils.text(ret.result)[:self.RESULT_RESULT_LIMIT],
'logs': ret.logstr()[-self.RESULT_LOGS_LIMIT:],
'exception': ret.exception,
},
},
}
# FIXME: unicode_obj should used in scheduler before store to database
# it's used here for performance.
self.status_queue.put(utils.unicode_obj(status_pack))
# FIXME: unicode_obj should used in scheduler before store to database
# it's used here for performance.
self.newtask_queue.put(
[utils.unicode_obj(newtask) for newtask in ret.follows])
for project, msg, url in ret.messages:
self.inqueue.put(({
'taskid': utils.md5string(url),
'project': project,
'url': url,
'process': {
'callback': '_on_message',
}
}, {
'status_code': 200,
'url': url,
'save': (task['project'], msg),
}))
if response.error or ret.exception:
logger_func = logger.error
else:
logger_func = logger.info
logger_func(
'process %s:%s %s -> [%d] len:%d -> result:%.10r fol:%d msg:%d err:%r'
% (task['project'], task['taskid'], task.get('url'),
response.status_code, len(response.content), ret.result,
len(ret.follows), len(ret.messages), ret.exception))
return True
def on_task(self, task, response):
start_time = time.time()
try:
response = rebuild_response(response)
assert 'taskid' in task, 'need taskid in task'
project = task['project']
if project not in self.projects:
raise LookupError("no such project: %s" % project)
project_data = self.projects[project]
ret = project_data['instance'].run(
project_data['module'], task, response)
except Exception as e:
logger.exception(e)
return False
process_time = time.time() - start_time
if not ret.extinfo.get('not_send_status', False):
status_pack = {
'taskid': task['taskid'],
'project': task['project'],
'url': task.get('url'),
'track': {
'fetch': {
'ok': response.isok(),
'time': response.time,
'status_code': response.status_code,
'headers': dict(response.headers),
'encoding': response.encoding,
'content': (
response.content[:500]
if not response.isok() or ret.exception else
None
),
},
'process': {
'ok': not ret.exception,
'time': process_time,
'follows': len(ret.follows),
'result': unicode(ret.result)[:self.RESULT_RESULT_LIMIT],
'logs': ret.logstr()[-self.RESULT_LOGS_LIMIT:],
'exception': ret.exception,
},
},
}
# FIXME: unicode_obj should used in scheduler before store to database
# it's used here for performance.
self.status_queue.put(utils.unicode_obj(status_pack))
for newtask in ret.follows:
# FIXME: unicode_obj should used in scheduler before store to database
# it's used here for performance.
self.newtask_queue.put(utils.unicode_obj(newtask))
for project, msg, url in ret.messages:
self.inqueue.put(({
'taskid': utils.md5string(url),
'project': project,
'url': url,
'process': {
'callback': '_on_message',
}
}, {
'status_code': 200,
'url': url,
'save': (task['project'], msg),
}))
if response.error or ret.exception:
logger_func = logger.error
else:
logger_func = logger.info
logger_func('process %s:%s %s -> [%d] len:%d -> result:%.10r fol:%d msg:%d err:%r' % (
task['project'], task['taskid'],
task.get('url'), response.status_code, len(response.content),
ret.result, len(ret.follows), len(ret.messages), ret.exception))
return True
