INSTRUCTION stringlengths 1 8.43k | RESPONSE stringlengths 75 104k |
|---|---|
Initialize a new Zappa project by creating a new zappa_settings. json in a guided process. | def init(self, settings_file="zappa_settings.json"):
"""
Initialize a new Zappa project by creating a new zappa_settings.json in a guided process.
This should probably be broken up into few separate componants once it's stable.
Testing these inputs requires monkeypatching with mock, whi... |
Register or update a domain certificate for this env. | def certify(self, no_confirm=True, manual=False):
"""
Register or update a domain certificate for this env.
"""
if not self.domain:
raise ClickException("Can't certify a domain without " + click.style("domain", fg="red", bold=True) + " configured!")
if not no_confir... |
Spawn a debug shell. | def shell(self):
"""
Spawn a debug shell.
"""
click.echo(click.style("NOTICE!", fg="yellow", bold=True) + " This is a " + click.style("local", fg="green", bold=True) + " shell, inside a " + click.style("Zappa", bold=True) + " object!")
self.zappa.shell()
return |
Allows the execution of custom code between creation of the zip file and deployment to AWS. | def callback(self, position):
"""
Allows the execution of custom code between creation of the zip file and deployment to AWS.
:return: None
"""
callbacks = self.stage_config.get('callbacks', {})
callback = callbacks.get(position)
if callback:
(mod_p... |
Print a warning if there s a new Zappa version available. | def check_for_update(self):
"""
Print a warning if there's a new Zappa version available.
"""
try:
version = pkg_resources.require("zappa")[0].version
updateable = check_new_version_available(version)
if updateable:
click.echo(click.sty... |
Load the local zappa_settings file. | def load_settings(self, settings_file=None, session=None):
"""
Load the local zappa_settings file.
An existing boto session can be supplied, though this is likely for testing purposes.
Returns the loaded Zappa object.
"""
# Ensure we're passed a valid settings file.
... |
Return zappa_settings path as JSON or YAML ( or TOML ) as appropriate. | def get_json_or_yaml_settings(self, settings_name="zappa_settings"):
"""
Return zappa_settings path as JSON or YAML (or TOML), as appropriate.
"""
zs_json = settings_name + ".json"
zs_yml = settings_name + ".yml"
zs_yaml = settings_name + ".yaml"
zs_toml = setting... |
Load our settings file. | def load_settings_file(self, settings_file=None):
"""
Load our settings file.
"""
if not settings_file:
settings_file = self.get_json_or_yaml_settings()
if not os.path.isfile(settings_file):
raise ClickException("Please configure your zappa_settings file ... |
Ensure that the package can be properly configured and then create it. | def create_package(self, output=None):
"""
Ensure that the package can be properly configured,
and then create it.
"""
# Create the Lambda zip package (includes project and virtualenvironment)
# Also define the path the handler file so it can be copied to the zip
... |
Remove our local zip file. | def remove_local_zip(self):
"""
Remove our local zip file.
"""
if self.stage_config.get('delete_local_zip', True):
try:
if os.path.isfile(self.zip_path):
os.remove(self.zip_path)
if self.handler_path and os.path.isfile(self... |
Remove the local and S3 zip file after uploading and updating. | def remove_uploaded_zip(self):
"""
Remove the local and S3 zip file after uploading and updating.
"""
# Remove the uploaded zip from S3, because it is now registered..
if self.stage_config.get('delete_s3_zip', True):
self.zappa.remove_from_s3(self.zip_path, self.s3_b... |
Cleanup after the command finishes. Always called: SystemExit KeyboardInterrupt and any other Exception that occurs. | def on_exit(self):
"""
Cleanup after the command finishes.
Always called: SystemExit, KeyboardInterrupt and any other Exception that occurs.
"""
if self.zip_path:
# Only try to remove uploaded zip if we're running a command that has loaded credentials
if s... |
Parse filter and print logs to the console. | def print_logs(self, logs, colorize=True, http=False, non_http=False, force_colorize=None):
"""
Parse, filter and print logs to the console.
"""
for log in logs:
timestamp = log['timestamp']
message = log['message']
if "START RequestId" in message:
... |
Determines if a log entry is an HTTP - formatted log string or not. | def is_http_log_entry(self, string):
"""
Determines if a log entry is an HTTP-formatted log string or not.
"""
# Debug event filter
if 'Zappa Event' in string:
return False
# IP address filter
for token in string.replace('\t', ' ').split(' '):
... |
Apply various heuristics to return a colorized version of a string. If these fail simply return the string in plaintext. | def colorize_log_entry(self, string):
"""
Apply various heuristics to return a colorized version of a string.
If these fail, simply return the string in plaintext.
"""
final_string = string
try:
# First, do stuff in square brackets
inside_squares... |
Parse and execute the prebuild_script from the zappa_settings. | def execute_prebuild_script(self):
"""
Parse and execute the prebuild_script from the zappa_settings.
"""
(pb_mod_path, pb_func) = self.prebuild_script.rsplit('.', 1)
try: # Prefer prebuild script in working directory
if pb_mod_path.count('.') >= 1: # Prebuild sc... |
Given a string print a warning if this could collide with a Zappa core package module. | def collision_warning(self, item):
"""
Given a string, print a warning if this could
collide with a Zappa core package module.
Use for app functions and events.
"""
namespace_collisions = [
"zappa.", "wsgi.", "middleware.", "handler.", "util.", "letsencrypt.... |
Ensure we re inside a virtualenv. | def check_venv(self):
""" Ensure we're inside a virtualenv. """
if self.zappa:
venv = self.zappa.get_current_venv()
else:
# Just for `init`, when we don't have settings yet.
venv = Zappa.get_current_venv()
if not venv:
raise ClickException(... |
Route all stdout to null. | def silence(self):
"""
Route all stdout to null.
"""
sys.stdout = open(os.devnull, 'w')
sys.stderr = open(os.devnull, 'w') |
Test the deployed endpoint with a GET request. | def touch_endpoint(self, endpoint_url):
"""
Test the deployed endpoint with a GET request.
"""
# Private APIGW endpoints most likely can't be reached by a deployer
# unless they're connected to the VPC by VPN. Instead of trying
# connect to the service, print a warning a... |
Permute all casings of a given string. | def all_casings(input_string):
"""
Permute all casings of a given string.
A pretty algorithm, via @Amber
http://stackoverflow.com/questions/6792803/finding-all-possible-case-permutations-in-python
"""
if not input_string:
yield ""
else:
first = input_string[:1]
if fi... |
return a dict | def status_count(self, project):
'''
return a dict
'''
result = dict()
if project not in self.projects:
self._list_project()
if project not in self.projects:
return result
tablename = self._tablename(project)
for status, count in se... |
Get encoding from request headers or page head. | def get_encoding(headers, content):
"""Get encoding from request headers or page head."""
encoding = None
content_type = headers.get('content-type')
if content_type:
_, params = cgi.parse_header(content_type)
if 'charset' in params:
encoding = params['charset'].strip("'\"")
... |
encoding of Response. content. | def encoding(self):
"""
encoding of Response.content.
if Response.encoding is None, encoding will be guessed
by header or content or chardet if available.
"""
if hasattr(self, '_encoding'):
return self._encoding
# content is unicode
if isinst... |
Content of the response in unicode. | def text(self):
"""
Content of the response, in unicode.
if Response.encoding is None and chardet module is available, encoding
will be guessed.
"""
if hasattr(self, '_text') and self._text:
return self._text
if not self.content:
return u'... |
Returns the json - encoded content of the response if any. | def json(self):
"""Returns the json-encoded content of the response, if any."""
if hasattr(self, '_json'):
return self._json
try:
self._json = json.loads(self.text or self.content)
except ValueError:
self._json = None
return self._json |
Returns a PyQuery object of the response s content | def doc(self):
"""Returns a PyQuery object of the response's content"""
if hasattr(self, '_doc'):
return self._doc
elements = self.etree
doc = self._doc = PyQuery(elements)
doc.make_links_absolute(utils.text(self.url))
return doc |
Returns a lxml object of the response s content that can be selected by xpath | def etree(self):
"""Returns a lxml object of the response's content that can be selected by xpath"""
if not hasattr(self, '_elements'):
try:
parser = lxml.html.HTMLParser(encoding=self.encoding)
self._elements = lxml.html.fromstring(self.content, parser=parser... |
Raises stored: class: HTTPError or: class: URLError if one occurred. | def raise_for_status(self, allow_redirects=True):
"""Raises stored :class:`HTTPError` or :class:`URLError`, if one occurred."""
if self.status_code == 304:
return
elif self.error:
if self.traceback:
six.reraise(Exception, Exception(self.error), Traceback.... |
Do not send process status package back to scheduler. | def not_send_status(func):
"""
Do not send process status package back to scheduler.
It's used by callbacks like on_message, on_result etc...
"""
@functools.wraps(func)
def wrapper(self, response, task):
self._extinfo['not_send_status'] = True
function = func.__get__(self, self.... |
A decorator for setting the default kwargs of BaseHandler. crawl. Any self. crawl with this callback will use this config. | def config(_config=None, **kwargs):
"""
A decorator for setting the default kwargs of `BaseHandler.crawl`.
Any self.crawl with this callback will use this config.
"""
if _config is None:
_config = {}
_config.update(kwargs)
def wrapper(func):
func._config = _config
re... |
method will been called every minutes or seconds | def every(minutes=NOTSET, seconds=NOTSET):
"""
method will been called every minutes or seconds
"""
def wrapper(func):
# mark the function with variable 'is_cronjob=True', the function would be
# collected into the list Handler._cron_jobs by meta class
func.is_cronjob = True
... |
Catch errors of rabbitmq then reconnect | def catch_error(func):
"""Catch errors of rabbitmq then reconnect"""
import amqp
try:
import pika.exceptions
connect_exceptions = (
pika.exceptions.ConnectionClosed,
pika.exceptions.AMQPConnectionError,
)
except ImportError:
connect_exceptions = ()... |
Reconnect to rabbitmq server | def reconnect(self):
"""Reconnect to rabbitmq server"""
import pika
import pika.exceptions
self.connection = pika.BlockingConnection(pika.URLParameters(self.amqp_url))
self.channel = self.connection.channel()
try:
self.channel.queue_declare(self.name)
... |
Reconnect to rabbitmq server | def reconnect(self):
"""Reconnect to rabbitmq server"""
parsed = urlparse.urlparse(self.amqp_url)
port = parsed.port or 5672
self.connection = amqp.Connection(host="%s:%s" % (parsed.hostname, port),
userid=parsed.username or 'guest',
... |
Put a task into task queue when use heap sort if we put tasks ( with the same priority and exetime = 0 ) into queue the queue is not a strict FIFO queue but more like a FILO stack. It is very possible that when there are continuous big flow the speed of select is slower than request resulting in priority - queue accumu... | def put(self, taskid, priority=0, exetime=0):
"""
Put a task into task queue
when use heap sort, if we put tasks(with the same priority and exetime=0) into queue,
the queue is not a strict FIFO queue, but more like a FILO stack.
It is very possible that when there are co... |
Get a task from queue when bucket available | def get(self):
'''Get a task from queue when bucket available'''
if self.bucket.get() < 1:
return None
now = time.time()
self.mutex.acquire()
try:
task = self.priority_queue.get_nowait()
self.bucket.desc()
except Queue.Empty:
... |
Mark task done | def done(self, taskid):
'''Mark task done'''
if taskid in self.processing:
self.mutex.acquire()
if taskid in self.processing:
del self.processing[taskid]
self.mutex.release()
return True
return False |
return True if taskid is in processing | def is_processing(self, taskid):
'''
return True if taskid is in processing
'''
return taskid in self.processing and self.processing[taskid].taskid |
handler the log records to formatted string | def logstr(self):
"""handler the log records to formatted string"""
result = []
formater = LogFormatter(color=False)
for record in self.logs:
if isinstance(record, six.string_types):
result.append(pretty_unicode(record))
else:
if r... |
Deal one task | 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)
... |
Run loop | def run(self):
'''Run loop'''
logger.info("processor starting...")
while not self._quit:
try:
task, response = self.inqueue.get(timeout=1)
self.on_task(task, response)
self._exceptions = 0
except Queue.Empty as e:
... |
create connection to message queue | def connect_message_queue(name, url=None, maxsize=0, lazy_limit=True):
"""
create connection to message queue
name:
name of message queue
rabbitmq:
amqp://username:password@host:5672/%2F
see https://www.rabbitmq.com/uri-spec.html
beanstalk:
beanstalk://host:11300/
... |
Hide stack traceback of given stack | def hide_me(tb, g=globals()):
"""Hide stack traceback of given stack"""
base_tb = tb
try:
while tb and tb.tb_frame.f_globals is not g:
tb = tb.tb_next
while tb and tb.tb_frame.f_globals is g:
tb = tb.tb_next
except Exception as e:
logging.exception(e)
... |
Run function in subprocess return a Process object | def run_in_subprocess(func, *args, **kwargs):
"""Run function in subprocess, return a Process object"""
from multiprocessing import Process
thread = Process(target=func, args=args, kwargs=kwargs)
thread.daemon = True
thread.start()
return thread |
Formats the given date ( which should be GMT ). | def format_date(date, gmt_offset=0, relative=True, shorter=False, full_format=False):
"""Formats the given date (which should be GMT).
By default, we return a relative time (e.g., "2 minutes ago"). You
can return an absolute date string with ``relative=False``.
You can force a full format date ("July ... |
Make sure string is utf8 encoded bytes. | def utf8(string):
"""
Make sure string is utf8 encoded bytes.
If parameter is a object, object.__str__ will been called before encode as bytes
"""
if isinstance(string, six.text_type):
return string.encode('utf8')
elif isinstance(string, six.binary_type):
return string
else:... |
Make sure string is unicode type decode with given encoding if it s not. | def text(string, encoding='utf8'):
"""
Make sure string is unicode type, decode with given encoding if it's not.
If parameter is a object, object.__str__ will been called
"""
if isinstance(string, six.text_type):
return string
elif isinstance(string, six.binary_type):
return str... |
Make sure string is unicode try to decode with utf8 or unicode escaped string if failed. | def pretty_unicode(string):
"""
Make sure string is unicode, try to decode with utf8, or unicode escaped string if failed.
"""
if isinstance(string, six.text_type):
return string
try:
return string.decode("utf8")
except UnicodeDecodeError:
return string.decode('Latin-1').... |
Make sure string is unicode try to default with utf8 or base64 if failed. | def unicode_string(string):
"""
Make sure string is unicode, try to default with utf8, or base64 if failed.
can been decode by `decode_unicode_string`
"""
if isinstance(string, six.text_type):
return string
try:
return string.decode("utf8")
except UnicodeDecodeError:
... |
Make sure keys and values of dict is unicode. | def unicode_dict(_dict):
"""
Make sure keys and values of dict is unicode.
"""
r = {}
for k, v in iteritems(_dict):
r[unicode_obj(k)] = unicode_obj(v)
return r |
Make sure keys and values of dict/ list/ tuple is unicode. bytes will encode in base64. | def unicode_obj(obj):
"""
Make sure keys and values of dict/list/tuple is unicode. bytes will encode in base64.
Can been decode by `decode_unicode_obj`
"""
if isinstance(obj, dict):
return unicode_dict(obj)
elif isinstance(obj, (list, tuple)):
return unicode_list(obj)
elif i... |
Decode string encoded by unicode_string | def decode_unicode_string(string):
"""
Decode string encoded by `unicode_string`
"""
if string.startswith('[BASE64-DATA]') and string.endswith('[/BASE64-DATA]'):
return base64.b64decode(string[len('[BASE64-DATA]'):-len('[/BASE64-DATA]')])
return string |
Decode unicoded dict/ list/ tuple encoded by unicode_obj | def decode_unicode_obj(obj):
"""
Decode unicoded dict/list/tuple encoded by `unicode_obj`
"""
if isinstance(obj, dict):
r = {}
for k, v in iteritems(obj):
r[decode_unicode_string(k)] = decode_unicode_obj(v)
return r
elif isinstance(obj, six.string_types):
... |
Load object from module | def load_object(name):
"""Load object from module"""
if "." not in name:
raise Exception('load object need module.object')
module_name, object_name = name.rsplit('.', 1)
if six.PY2:
module = __import__(module_name, globals(), locals(), [utf8(object_name)], -1)
else:
module ... |
Return a interactive python console instance with caller s stack | def get_python_console(namespace=None):
"""
Return a interactive python console instance with caller's stack
"""
if namespace is None:
import inspect
frame = inspect.currentframe()
caller = frame.f_back
if not caller:
logging.error("can't find caller who star... |
Start a interactive python console with caller s stack | def python_console(namespace=None):
"""Start a interactive python console with caller's stack"""
if namespace is None:
import inspect
frame = inspect.currentframe()
caller = frame.f_back
if not caller:
logging.error("can't find caller who start this console.")
... |
XMLRPC service for windmill browser core to communicate with | def handler(self, environ, start_response):
"""XMLRPC service for windmill browser core to communicate with"""
if environ['REQUEST_METHOD'] == 'POST':
return self.handle_POST(environ, start_response)
else:
start_response("400 Bad request", [('Content-Type', 'text/plain')... |
Handles the HTTP POST request. | def handle_POST(self, environ, start_response):
"""Handles the HTTP POST request.
Attempts to interpret all HTTP POST requests as XML-RPC calls,
which are forwarded to the server's _dispatch method for handling.
Most code taken from SimpleXMLRPCServer with modifications for wsgi and my... |
create database object by url | def connect_database(url):
"""
create database object by url
mysql:
mysql+type://user:passwd@host:port/database
sqlite:
# relative path
sqlite+type:///path/to/database.db
# absolute path
sqlite+type:////path/to/database.db
# memory database
sqlite... |
Check project update | def _update_projects(self):
'''Check project update'''
now = time.time()
if (
not self._force_update_project
and self._last_update_project + self.UPDATE_PROJECT_INTERVAL > now
):
return
for project in self.projectdb.check_update(self._l... |
update one project | def _update_project(self, project):
'''update one project'''
if project['name'] not in self.projects:
self.projects[project['name']] = Project(self, project)
else:
self.projects[project['name']].update(project)
project = self.projects[project['name']]
if... |
load tasks from database | def _load_tasks(self, project):
'''load tasks from database'''
task_queue = project.task_queue
for task in self.taskdb.load_tasks(
self.taskdb.ACTIVE, project.name, self.scheduler_task_fields
):
taskid = task['taskid']
_schedule = task.get('schedu... |
return False if any of taskid project url is not in task dict or project in not in task_queue | def task_verify(self, task):
'''
return False if any of 'taskid', 'project', 'url' is not in task dict
or project in not in task_queue
'''
for each in ('taskid', 'project', 'url', ):
if each not in task or not task[each]:
logger.error('... |
put task to task queue | def put_task(self, task):
'''put task to task queue'''
_schedule = task.get('schedule', self.default_schedule)
self.projects[task['project']].task_queue.put(
task['taskid'],
priority=_schedule.get('priority', self.default_schedule['priority']),
exetime=_schedu... |
dispatch task to fetcher | def send_task(self, task, force=True):
'''
dispatch task to fetcher
out queue may have size limit to prevent block, a send_buffer is used
'''
try:
self.out_queue.put_nowait(task)
except Queue.Full:
if force:
self._send_buffer.appen... |
Check status queue | def _check_task_done(self):
'''Check status queue'''
cnt = 0
try:
while True:
task = self.status_queue.get_nowait()
# check _on_get_info result here
if task.get('taskid') == '_on_get_info' and 'project' in task and 'track' in task:
... |
Check new task queue | def _check_request(self):
'''Check new task queue'''
# check _postpone_request first
todo = []
for task in self._postpone_request:
if task['project'] not in self.projects:
continue
if self.projects[task['project']].task_queue.is_processing(task['ta... |
Check projects cronjob tick return True when a new tick is sended | def _check_cronjob(self):
"""Check projects cronjob tick, return True when a new tick is sended"""
now = time.time()
self._last_tick = int(self._last_tick)
if now - self._last_tick < 1:
return False
self._last_tick += 1
for project in itervalues(self.projects)... |
Select task to fetch & process | def _check_select(self):
'''Select task to fetch & process'''
while self._send_buffer:
_task = self._send_buffer.pop()
try:
# use force=False here to prevent automatic send_buffer append and get exception
self.send_task(_task, False)
ex... |
Dump counters to file | def _dump_cnt(self):
'''Dump counters to file'''
self._cnt['1h'].dump(os.path.join(self.data_path, 'scheduler.1h'))
self._cnt['1d'].dump(os.path.join(self.data_path, 'scheduler.1d'))
self._cnt['all'].dump(os.path.join(self.data_path, 'scheduler.all')) |
Dump counters every 60 seconds | def _try_dump_cnt(self):
'''Dump counters every 60 seconds'''
now = time.time()
if now - self._last_dump_cnt > 60:
self._last_dump_cnt = now
self._dump_cnt()
self._print_counter_log() |
Check project delete | def _check_delete(self):
'''Check project delete'''
now = time.time()
for project in list(itervalues(self.projects)):
if project.db_status != 'STOP':
continue
if now - project.updatetime < self.DELETE_TIME:
continue
if 'delete' ... |
Set quit signal | def quit(self):
'''Set quit signal'''
self._quit = True
# stop xmlrpc server
if hasattr(self, 'xmlrpc_server'):
self.xmlrpc_ioloop.add_callback(self.xmlrpc_server.stop)
self.xmlrpc_ioloop.add_callback(self.xmlrpc_ioloop.stop) |
comsume queues and feed tasks to fetcher once | def run_once(self):
'''comsume queues and feed tasks to fetcher, once'''
self._update_projects()
self._check_task_done()
self._check_request()
while self._check_cronjob():
pass
self._check_select()
self._check_delete()
self._try_dump_cnt() |
Start scheduler loop | def run(self):
'''Start scheduler loop'''
logger.info("scheduler starting...")
while not self._quit:
try:
time.sleep(self.LOOP_INTERVAL)
self.run_once()
self._exceptions = 0
except KeyboardInterrupt:
break
... |
Start xmlrpc interface | def xmlrpc_run(self, port=23333, bind='127.0.0.1', logRequests=False):
'''Start xmlrpc interface'''
from pyspider.libs.wsgi_xmlrpc import WSGIXMLRPCApplication
application = WSGIXMLRPCApplication()
application.register_function(self.quit, '_quit')
application.register_function(... |
Called when a new request is arrived | def on_new_request(self, task):
'''Called when a new request is arrived'''
task['status'] = self.taskdb.ACTIVE
self.insert_task(task)
self.put_task(task)
project = task['project']
self._cnt['5m'].event((project, 'pending'), +1)
self._cnt['1h'].event((project, 'pe... |
Called when a crawled task is arrived | def on_old_request(self, task, old_task):
'''Called when a crawled task is arrived'''
now = time.time()
_schedule = task.get('schedule', self.default_schedule)
old_schedule = old_task.get('schedule', {})
if _schedule.get('force_update') and self.projects[task['project']].task_q... |
Called when a status pack is arrived | def on_task_status(self, task):
'''Called when a status pack is arrived'''
try:
procesok = task['track']['process']['ok']
if not self.projects[task['project']].task_queue.done(task['taskid']):
logging.error('not processing pack: %(project)s:%(taskid)s %(url)s', ta... |
Called when a task is done and success called by on_task_status | def on_task_done(self, task):
'''Called when a task is done and success, called by `on_task_status`'''
task['status'] = self.taskdb.SUCCESS
task['lastcrawltime'] = time.time()
if 'schedule' in task:
if task['schedule'].get('auto_recrawl') and 'age' in task['schedule']:
... |
Called when a task is failed called by on_task_status | def on_task_failed(self, task):
'''Called when a task is failed, called by `on_task_status`'''
if 'schedule' not in task:
old_task = self.taskdb.get_task(task['project'], task['taskid'], fields=['schedule'])
if old_task is None:
logging.error('unknown status pack... |
Called when a task is selected to fetch & process | def on_select_task(self, task):
'''Called when a task is selected to fetch & process'''
# inject informations about project
logger.info('select %(project)s:%(taskid)s %(url)s', task)
project_info = self.projects.get(task['project'])
assert project_info, 'no such project'
... |
interactive mode of select tasks | def _check_select(self):
"""
interactive mode of select tasks
"""
if not self.interactive:
return super(OneScheduler, self)._check_select()
# waiting for running tasks
if self.running_task > 0:
return
is_crawled = []
def run(proj... |
Ignore not processing error in interactive mode | def on_task_status(self, task):
"""Ignore not processing error in interactive mode"""
if not self.interactive:
super(OneScheduler, self).on_task_status(task)
try:
procesok = task['track']['process']['ok']
except KeyError as e:
logger.error("Bad status... |
Build project script as module | def build_module(project, env=None):
'''Build project script as module'''
from pyspider.libs import base_handler
assert 'name' in project, 'need name of project'
assert 'script' in project, 'need script of project'
if env is None:
env = {}
# fix for old non-p... |
Check if project_name need update | def _need_update(self, project_name, updatetime=None, md5sum=None):
'''Check if project_name need update'''
if project_name not in self.projects:
return True
elif md5sum and md5sum != self.projects[project_name]['info'].get('md5sum'):
return True
elif updatetime a... |
Check projects by last update time | def _check_projects(self):
'''Check projects by last update time'''
for project in self.projectdb.check_update(self.last_check_projects,
['name', 'updatetime']):
if project['name'] not in self.projects:
continue
i... |
Update one project from database | def _update_project(self, project_name):
'''Update one project from database'''
project = self.projectdb.get(project_name)
if not project:
return None
return self._load_project(project) |
Load project into self. projects from project info dict | def _load_project(self, project):
'''Load project into self.projects from project info dict'''
try:
project['md5sum'] = utils.md5string(project['script'])
ret = self.build_module(project, self.env)
self.projects[project['name']] = ret
except Exception as e:
... |
get project data object return None if not exists | def get(self, project_name, updatetime=None, md5sum=None):
'''get project data object, return None if not exists'''
if time.time() - self.last_check_projects > self.CHECK_PROJECTS_INTERVAL:
self._check_projects()
if self._need_update(project_name, updatetime, md5sum):
sel... |
make cookie python 3 version use this instead of getheaders | def get_all(self, name, default=None):
"""make cookie python 3 version use this instead of getheaders"""
if default is None:
default = []
return self._headers.get_list(name) or default |
return a dict | def status_count(self, project):
'''
return a dict
'''
pipe = self.redis.pipeline(transaction=False)
for status in range(1, 5):
pipe.scard(self._gen_status_key(project, status))
ret = pipe.execute()
result = {}
for status, count in enumerate(r... |
Increment the counter by n ( default = 1 ) | def increment(self, n=1):
""" Increment the counter by n (default = 1) """
with self.count.get_lock():
self.count.value += n |
Explicitly refresh one or more index making all operations performed since the last refresh available for search. | def refresh(self):
"""
Explicitly refresh one or more index, making all operations
performed since the last refresh available for search.
"""
self._changed = False
self.es.indices.refresh(index=self.index) |
Send fetch result to processor | def send_result(self, type, task, result):
'''Send fetch result to processor'''
if self.outqueue:
try:
self.outqueue.put((task, result))
except Exception as e:
logger.exception(e) |
Do one fetch | def async_fetch(self, task, callback=None):
'''Do one fetch'''
url = task.get('url', 'data:,')
if callback is None:
callback = self.send_result
type = 'None'
start_time = time.time()
try:
if url.startswith('data:'):
type = 'data'
... |
Synchronization fetch usually used in xmlrpc thread | def sync_fetch(self, task):
'''Synchronization fetch, usually used in xmlrpc thread'''
if not self._running:
return self.ioloop.run_sync(functools.partial(self.async_fetch, task, lambda t, _, r: True))
wait_result = threading.Condition()
_result = {}
def callback(ty... |
A fake fetcher for dataurl | def data_fetch(self, url, task):
'''A fake fetcher for dataurl'''
self.on_fetch('data', task)
result = {}
result['orig_url'] = url
result['content'] = dataurl.decode(url)
result['headers'] = {}
result['status_code'] = 200
result['url'] = url
result... |
HTTP fetcher | def http_fetch(self, url, task):
'''HTTP fetcher'''
start_time = time.time()
self.on_fetch('http', task)
handle_error = lambda x: self.handle_error('http', url, task, start_time, x)
# setup request parameters
fetch = self.pack_tornado_request_parameters(url, task)
... |
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