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CrowdProcess-0.2.0
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تبلیغات ما
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مشاهده بیشتر
تبلیغات ما
مشتریان به طور فزاینده ای آنلاین هستند. تبلیغات می تواند به آنها کمک کند تا کسب و کار شما را پیدا کنند.
مشاهده بیشتر
تبلیغات ما
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مشاهده بیشترتوضیحات
UNKNOWN
| ویژگی | مقدار |
|---|---|
| سیستم عامل | - |
| نام فایل | CrowdProcess-0.2.0 |
| نام | CrowdProcess |
| نسخه کتابخانه | 0.2.0 |
| نگهدارنده | [] |
| ایمیل نگهدارنده | [] |
| نویسنده | João Jerónimo |
| ایمیل نویسنده | jj@crowdprocess.com |
| آدرس صفحه اصلی | https://github.com/CrowdProcess/crpy |
| آدرس اینترنتی | https://pypi.org/project/CrowdProcess/ |
| مجوز | MIT |
CrowdProcess API Client for Python
==================================
This is a client for `CrowdProcess <https://crowdprocess.com/>`__'s
`REST API <https://crowdprocess.com/rest>`__.
It works in python 2.7 and 3.4+.
Installing
----------
::
pip install crowdprocess
or
::
easy_install crowdprocess
Usage example
-------------
.. code:: python
>>> from crowdprocess import CrowdProcess
>>> crp = CrowdProcess('username', 'password')
>>> x2 = crp.job('function Run (d) { return d*2; }')
>>> results = x2(range(5)).results
>>> list(results)
[0, 2, 4, 6, 8, 10] # comes in a random order
More detailed use
-----------------
Importing and instanciating
~~~~~~~~~~~~~~~~~~~~~~~~~~~
.. code:: python
>>> from crowdprocess import CrowdProcess
>>> crp = CrowdProcess('username@email.com', 'password')
To get those credentials you must
`register <https://crowdprocess.com/register>`__ with CrowdProcess.
You can also instanciate it with a token instead of a username and
password:
.. code:: python
>>> crp = CrowdProcess(token='3c46d593-5435-47c5-92aa-1613ade978c2')
Jobs
~~~~
Creating a job
^^^^^^^^^^^^^^
With the ``CrowdProcess`` class instanciated above,
.. code:: python
>>> program='function Run (d) { return d }'
>>> job = crp.job(program)
>>> job.id
'3c46d593-5435-47c5-92aa-1613ade978c2'
Invoking ``crp.job`` with the ``program`` parameter automatically
creates a job in CrowdProcess and returns an instanciated ``Job``.
After you get a ``job.id``, you can use it to get a ``Job`` again,
without creating it:
.. code:: python
>>> job = crp.job(id='3c46d593-5435-47c5-92aa-1613ade978c2')
Listing jobs
^^^^^^^^^^^^
.. code:: python
>>> crp.list_jobs()
[{u'status': u'active', u'failed': 0, u'bid': 1, u'created': u'2014-05-14T10:07:52.747503Z', u'modified': u'2014-05-14T10:07:53.716147Z', u'browserHours': 137, u'finished': 1000, u'lastResult': u'2014-05-14T10:07:59.06Z', u'total': 1000, u'id': u'3c46d593-5435-47c5-92aa-1613ade978c2'}]
Prettier:
.. code:: python
>>> jobs = crp.list_jobs()
>>> print(json.dumps(jobs, sort_keys=True, indent=2))
[
{
"bid": 1,
"browserHours": 137,
"created": "2014-05-14T10:07:52.747503Z",
"failed": 0,
"finished": 1000,
"id": "3c46d593-5435-47c5-92aa-1613ade978c2",
"lastResult": "2014-05-14T10:07:59.06Z",
"modified": "2014-05-14T10:07:53.716147Z",
"status": "active",
"total": 1000
}
]
Deleting a job
^^^^^^^^^^^^^^
.. code:: python
>>> job = crp.job(id='3c46d593-5435-47c5-92aa-1613ade978c2')
>>> job.delete()
Deleting all jobs
^^^^^^^^^^^^^^^^^
.. code:: python
>>> crp.delete_jobs()
Tasks and Results
-----------------
After creating a job, you're all set to send it tasks and get back
results.
``tasks`` can be any iterable object, ``results`` will be a generator:
.. code:: python
>>> job = crp.job('function Run (d) { return Math.pow(d, 2); }')
>>> tasks = [0, 1, 2, 3, 4, 5, 6, 7, 8, 9]
>>> results = job(tasks).results
>>> list(results)
[49, 64, 16, 25, 9, 36, 4, 81, 0, 1]
which would be the same as,
.. code:: python
>>> job = crp.job('function Run (d) { return Math.pow(d, 2); }')
>>> list(job(range(10)).results)
[49, 64, 16, 25, 9, 36, 4, 81, 0, 1]
which would also be the same as,
.. code:: python
>>> job = crp.job('function Run (d) { return Math.pow(d, 2); }')
>>> def tasks():
... for i in range(10):
... yield i
...
>>> list(job(tasks).results)
[25, 64, 49, 16, 36, 9, 0, 81, 1, 4]
Notice that the results never come in order.
Pro tip: you can use the results of one job as tasks of another job
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
.. code:: python
>>> multiply = crp.job('function Run (d) { return d*2 }')
>>> divide = crp.job('function Run (d) { return d/2 }')
>>> numbers = range(10)
>>> multiplied = multiply(numbers).results
>>> divided = divide(multiplied).results
>>> list(divided)
[7, 2, 6, 1, 5, 9, 8, 4, 3, 0]
Don't forget about the errors
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Sometimes your tasks will throw uncaught exceptions that you should know
about, and you can get them the same way you get results:
.. code:: python
>>> job = crp.job('function Run (d) { if (d === 4) { throw new Error("oh no, "+d) } return d; }')
>>> tasks = range(10)
>>> errors = job(tasks).errors
>>> for error in errors:
... print error
Tasks and Results, lower level
------------------------------
Submitting tasks
~~~~~~~~~~~~~~~~
Once again, tasks may be any iterable:
.. code:: python
>>> multiply = crp.job('function Run (d) { return d*2 }')
>>> multiply.submit_tasks(range(10))
Getting results
~~~~~~~~~~~~~~~
.. code:: python
>>> results = multiply.get_results()
>>> list(results)
[18, 8, 10, 4, 6, 16, 14, 0, 2, 12]
This delivers all the job's computed results at the moment, but you
should in fact get every result as soon as it's computed, in a stream:
Streaming results
~~~~~~~~~~~~~~~~~
You can also iterate through every result as soon as it comes in:
.. code:: python
>>> expected_results = 10
>>> results = multiply.get_results_stream()
>>> for result in results:
... print(result)
... expected_results -= 1
... if expected_results == 0:
... break
The stream does not know if or when a result might be computed and
delivered, so you must count how many results you still expect to break
the loop.
To use this properly you should start listening for streaming results
before sending tasks, probably a separate thread:
.. code:: python
>>> import threading
>>> job = crp.job("function Run(d) { return d; }")
>>> def get_results():
... expected_results = 10
... for result in job.get_results_stream():
... print(result)
... expected_results -= 1
... if expected_results == 0:
... break
...
>>> t = threading.Thread(target=get_results)
>>> t.start()
>>> job.submit_tasks(range(10))
>>> 7
9
6
2
3
8
1
4
0
5
>>> t.join()
Sometimes your tasks will have uncaught exceptions and those will cause
a result to not be delivered, so you must account for those as well to
decrease your expected\_results counter.
Errors and streaming errors
~~~~~~~~~~~~~~~~~~~~~~~~~~~
Sometimes your tasks throw uncaught exceptions, and you should get them:
.. code:: python
>>> program = """
... function Run (d) {
... if (d === 4) {
... throw new Error("oops, it's "+d);
... } else {
... return d;
... }
... }
... """
>>> job = crp.job(program)
>>> job.submit_tasks(range(10))
>>> list(job.get_results())
[1, 6, 9, 8, 5, 7, 2, 3, 0] # oh no, 4 is missing...
>>> list(job.get_errors())
[{u'message': u"oops, it's 4", u'type': u'program', u'name': u'Error', u'stack': u'Run@blob:9a4029f7-fff7-4da8-b552-92507e341749:5\n[2]</</self.onmessage@blob:9a4029f7-fff7-4da8-b552-92507e341749:9\n'}]
>>> print(json.dumps(list(job.get_errors()), sort_keys=True, indent=2)) # prettier
[
{
"message": "oops, it's 4",
"name": "Error",
"stack": "Run@blob:9a4029f7-fff7-4da8-b552-92507e341749:5\n[2]</</self.onmessage@blob:9a4029f7-fff7-4da8-b552-92507e341749:9\n",
"type": "program"
}
]
The same way you get streaming results, you can (and should) get
streaming errors:
.. code:: python
>>> errors = multiply.get_errors_stream()
>>> for error in errors:
... print(error)
نحوه نصب
نصب پکیج whl CrowdProcess-0.2.0:
pip install CrowdProcess-0.2.0.whl
نصب پکیج tar.gz CrowdProcess-0.2.0:
pip install CrowdProcess-0.2.0.tar.gz