I need to write a module to abstract the RabbitMQ HTTP REST api.
Before I do this, I would like to see how other projects have done
similar in the hopes I make something consistent and generic etc.
Does anyone regularly work with a library that abstracts a REST API
and can recommend it for
> If I understand you:
> http://www.python-requests.org/en/latest/
>
> is an example of what you are looking for?
>
> It's great.
>
> Also check out
> http://cramer.io/2014/05/20/mocking-requests-with-responses/
>
> if you need to mock requests.
Hi Laura,
The twitter samples Jon sent were
A while ago I stumbled on a workaround for this, but forgot.
Anyone know the trick to accomplish this?
Thanks,
jlc
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New submission from Joseph Schachner:
We should not make people who need to read Python documentation do an extra
transformation in their heads to correctly understand that in section 5.15
higher precedence is at the bottom of the table and lower precedence is at the
top. Because
Current practice is a NamedTuple for python code or the C equivalent. I
forget the C name, but I believe it is used by os.stat
Hi Terry,
Ok, that is what I will go with.
Thanks for the confirmation,
jlc
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What's the accepted practice for return types from a c based API
Python wrapper? I have many methods which return generators
which yield potentially many fields per iteration. In lower level
languages we would yield a struct with readonly fields.
The existing implementation returns a dict which I
I have an auto generated module that provides functions exported from a
c dll. Its rather large and we are considering some dynamic code generation
and caching, however before I embark on that I want to test import times.
As the module is all auto generated through XSL, things like __all__ are
Hi Stefan,
How is the DLL binding implemented? Using ctypes? Or something else?
It is through ctypes.
Obviously, instantiating a large ctypes wrapper will take some time. A
binary module would certainly be quicker here, both in terms of import time
and execution time. Since you're
Importing is not the same as instantiation.
When you import a module, the code is only read from disk and instantiated
the first time. Then it is cached. Subsequent imports in the same Python
session use the cached version.
I do mean imported, in the original design there were many ctype
New submission from Joseph Weston:
Several fields in the Python 3.x documentation for the PyTypeObject API
have incorrectly documented types. This was probably due to a wholesale
shift of documentation from Python 2.x.
--
assignee: docs@python
components: Documentation
files
On Sat, Jul 25, 2015 at 8:30 AM, 김지훈 coolji1...@gmail.com wrote:
Hi.
I recently changed my path to be a programmer so I decided to learn python.
I downloaded files(Python 2.7.10 - 2015-05-23) to setup on your website.
(also got the version of x64 because of my cpu)
But when I try to install
Hi Laura,
There are edge cases where this may fail (and let's see if Craig catches
this on his own).
Cheers,
Joseph
-Original Message-
From: Python-list
[mailto:python-list-bounces+joseph.lee22590=gmail@python.org] On Behalf
Of Laura Creighton
Sent: Saturday, July 18, 2015 5:16 AM
fuction. But isn't it imperative that I have the index
of the spaces in the string name?
I use the Fullname.isspace function.
JL: No. Michael's hint lets you turn a string into a list.
Good luck.
Cheers,
Joseph
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Hi Michael,
I have talked to this guy offlist (basically you gave him the answer
(smiles)).
Cheers,
Joseph
-Original Message-
From: Python-list
[mailto:python-list-bounces+joseph.lee22590=gmail@python.org] On Behalf
Of Michael Torrie
Sent: Thursday, July 16, 2015 7:41 PM
To: python
powered by QT 5 is accessible).
There exists a list like this for blind Pythoneers at:
http://www.freelists.org/list/pythonvis
For more info on NVDA, go to:
http://www.nvaccess.org
P.S. A very short intro: I'm Joseph, a blind Pythoneer and regular code and
translations contributor to NonVisual
I have a ProcessPoolExecutor for which I am attaching multiple callbacks.
As this must be process based and not thread based, I don't have the
luxury communication between threads. Without a queue, does something
inherent exist in concurrent futures that allows me to accumulate some
data from the
ProcessPoolExecutor is built on the multiprocessing module, so I
expect you should be able to use multiprocessing.Queue or
multiprocessing.Pipe in place of threading.Queue.
Hi Ian,
Yeah I am using a Manager.Queue as the method polling the queue
is itself in a process.
I just wondered if there
://pypi.python.org/pypi/.
Does it make sense that https://pypi.python.org/pypi and
https://pypi.python.org/pypi/ are completely different pages? The
only difference in URLs being the slash at the end.
Joseph.
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I have some tabular data for example 3 tuples that I need to build a container
for where lookups into any one of the three fields are O(1). Does something
in the base library exist, or if not is there an efficient implementation of
such
a container that has been implemented before I give it a go?
So presumably your data's small enough to fit into memory, right? If
it isn't, going back to the database every time would be the best
option. But if it is, can you simply keep three dictionaries in sync?
Hi Chris,
Yeah the data can fit in memory and hence the desire to avoid a trip here.
Why not take a look at pandas as see if there's anything there you could
use? Excellent docs here http://pandas.pydata.org/pandas-docs/stable/
and the mailing list is available at gmane.comp.python.pydata amongst
other places.
Mark,
Actually it was the first thing that came to mind. I did
If you want an sql-like interface, you can simply create an in-memory
sqlite3 database.
import sqlite3
db = sqlite3.Connection(':memory:')
You can create indexes as you need, and query using SQL. Later, if you
find the data getting too big to fit in memory, you can switch to using
an
The IDs of the objects prove that they're actually all the same
object. The memory requirement for this is just what the dictionaries
themselves require; their keys and values are all shared with other
usage.
Chris,
I would have never imagined that, much appreciated for that!
jlc
--
Does a facility exist to add an argument with a default being a function
that leverages the final parsed Namespace?
For example:
group = parser.add_argument_group(' some_group ')
group.add_argument(
'--some_group',
nargs='*',
type=str
)
Begrudgingly, I need to migrate away from SQLAlchemy onto a
package that has fast imports and very fast model build times.
I have a less than ideal application that uses Python as a plugin
interpreter which is not performant in this use case where its
being invoked freshly several times per
First recommendation: Less layers. Instead of SQLAlchemy, just import
sqlite3 and use it directly. You should be able to switch out import
sqlite as db for import psycopg2 as db or any other Python DB API
module, and still have most/all of the benefit of the extra layer,
without any extra
Anything listed here http://www.pythoncentral.io/sqlalchemy-vs-orms/
you've not heard about? I found peewee easy to use although I've
clearly no idea if it suits your needs. There's only one way to find out :)
Hi Mark,
I found that article before posting and some of the guys here have
New submission from joseph:
Since the changeset 91853:88a532a31eb3 _freeze_importlib.c resides in the
Programs dir. The header comment of Python/importlib.h should be changed to
reflect this.
--
components: Build
files: freeze_importlib_comment.patch
keywords: patch
messages: 231617
I checked my modules with pylint and saw the following warning:
W: 25,29: Used builtin function 'map' (bad-builtin)
Why is the use of map() discouraged?
It' such a useful thing.
The warning manifests from the opinion that a comprehension is
more suitable. You can disable the warning or you
New submission from Joseph Siddall:
putting something in Queue(multiprocessing.Queue) after closing it raises an
AssertionError.
Getting something out of a Queue after closing it raises an OSError.
I expected both scenarios to raise the same exception.
To Reproduce:
from multiprocessing
In the boost::python library there is a function
boost::python::long_
and this function return a boost::python::object variable
I'm trying to wrap a double variale but I can't find
something just like
boost::python::double_
can someone help me to build a double object
PS.
I know there
On Monday, November 3, 2014 10:11:01 PM UTC+8, Skip Montanaro wrote:
On Mon, Nov 3, 2014 at 7:53 AM, Joseph Shen joseph...@gmail.com wrote:
In the boost::python library there is a function
boost::python::long_
and this function return a boost::python::object variable
I'm
I am unfortunately unable to use lxml for a project and must resort to base
only libraries
to create several nested elements located directly under a root element. The
caveat is the
incremental writing and flushing of the nested elements as they are created.
So assuming the structure is
Le 23/08/2014 16:21, Chris Angelico a écrit :
On Sun, Aug 24, 2014 at 12:02 AM, Ian Kelly ian.g.ke...@gmail.com wrote:
I don't know how fast lilypond is, but perhaps one could write an editor
that wraps lilypond and invokes it in realtime to show the output in an
adjacent panel, perhaps with a
Le 22/08/2014 02:26, Chris Angelico a écrit :
On Fri, Aug 22, 2014 at 4:05 AM, Joseph Martinot-Lagarde
joseph.martinot-laga...@m4x.org wrote:
For information, Cython works with C++ now:
http://docs.cython.org/src/userguide/wrapping_CPlusPlus.html.
Now isn't that cool!
Every time Cython gets
a number of features that belong in higher
level languages; but if you want those sorts of features, why not just
grab Python or Pike or something and save yourself the trouble?
For information, Cython works with C++ now:
http://docs.cython.org/src/userguide/wrapping_CPlusPlus.html.
Joseph
I don't have to care about threading issues all the time and
can otherwise freely choose the right model of parallelism that suits my
current use case when the need arises (and threads are rarely the right
model). I'm sure that's not just me.
The sound bite of a loyal Python coder:)
If it
Joseph Godbehere added the comment:
Patch to change message.is_attachment from a property to a normal method. I've
updated the doc and all calls to is_attachment.
--
keywords: +patch
nosy: +joegod
Added file: http://bugs.python.org/file36243/attach_not_property.patch
Joseph Godbehere added the comment:
Very good point, Serhiy.
Here is an alternative patch, which instead changes Message.is_multipart from a
method to a property as per your suggestion. This way incorrect usage should
fail noisily.
This patch is against the relevant docs, tests, is_multipart
You could:
- have a single point of entry that can check and, if necessary, revalidate
- create a helper that checks and, if necessary, revalidate, which is then
called where ever needed
- create a decorator that does the above for each function that needs it
Hi Ethan,
I am doing some scripting with pyVmomi under 2.6.8 so the code may
run directly on a vmware esxi server.
As the code is long running, it surpasses the authentication timeout. For
anyone familiar with this code and/or this style of programming, does anyone
have a recommendation for an elegant
New submission from Joseph Shen:
in the source file PC/pyconfig.h at line 393 there is a mistype
this is the origin file
==
/* VC 7.1 has them and VC 6.0 does not. VC 6.0 has a version number of 1200.
Microsoft eMbedded
Le 28/05/2014 13:31, Sameer Rathoud a écrit :
I was searching for spyder, but didn't got any helpful installable.
What problem did you encounter while trying to install spyder ?
Spyder is oriented towards scientific applications, but can be used as a
general python IDE. I use it for GUI
Anyone knows where to get a compiled cx_freeze that has already has this
patch?
http://www.lfd.uci.edu/~gohlke/pythonlibs/#cx_freeze
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Unfortunately, this is buggy too. Here is a test output from a compiled
console exe created with the above version of cx freeze:
Let Christoph know, he is very responsive and extremely helpful.
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Well I am not sure what advantage this has for the user, not my code as
I don't advocate the import to begin with it, its fine spelled as it was
from where it was...
The advantage for the user is:
/snip
Hey Steven,
Sorry for the late reply (travelling). My comment wasn't clear, I was
Mark,
Excuse the format of this post, stuck on the road only with an iPhone but in
the event it helps,
http://blog.vrplumber.com/b/2014/02/12/step-2-get-amd64-compatible-vs-2010/ may
be useful.
Jlc
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I see that you've solved your immediate problem, but you shouldn't call
__setattr__ directly. That should actually be written
setattr(bar, 'a_new_name', MyError)
But really, since bar is (apparently) a module, and it is *bar itself*
setting the attribute, the better way is
I am working with a module that I am seeing some odd behavior.
A module.foo builds a custom exception, module.foo.MyError, its done right
afaict.
Another module, module.bar imports this and calls bar.__setattr__('a_new_name',
MyError).
Now, not in all but in some cases when I catch a_new_name,
Best would be to print out what's in a_new_name to see if it really is
what you think it is. If you think it is what you think it is, have a
look at its __mro__ (method resolution order, it's an attribute of
every class), to see what it's really inheriting. That should show you
what's
Le 13/05/2014 11:56, Albert van der Horst a écrit :
In article mailman.9917.1399914607.18130.python-l...@python.org,
Joseph Martinot-Lagarde joseph.martinot-laga...@m4x.org wrote:
Le 10/05/2014 17:24, Albert van der Horst a écrit :
I have the following code for calculating the determinant
Le 10/05/2014 19:07, esaw...@gmail.com a écrit :
Hi All--
Let me state at the start that I am new to Python. I am moving away from
Fortran and Matlab to Python and I use all different types of numerical and
statistical recipes in my work. I have been reading about NumPy and SciPy and
could
Le 10/05/2014 17:24, Albert van der Horst a écrit :
I have the following code for calculating the determinant of
a matrix. It works inasfar that it gives the same result as an
octave program on a same matrix.
/
def determinant(
Le 08/05/2014 02:35, Ben Finney a écrit :
Marko Rauhamaa ma...@pacujo.net writes:
Ben Finney b...@benfinney.id.au:
That's why I always try to say “Python doesn't have variables the way
you might know from many other languages”,
Please elaborate. To me, Python variables are like variables
I have managed to read most of the important data in the xml onto lists.
Now, I have two lists, Source and Destination and I'd like to create
bi-directional
links between them.
And moreover, I'd like to assign some kind of a bandwidth capacity to the
links and
similarly, storage and
I don't know how to do that stuff in python. Basically, I'm trying to pull
certain data from the
xml file like the node-name, source, destination and the capacity. Since, I
am done with that
part, I now want to have a link between source and destination and assign
capacity to it.
I dont
https://gist.github.com/plq/11384113
Unfortunately, you need the latest Spyne from
https://github.com/arskom/spyne, this doesn't work with 2.10
2.11 is due around end of may, beginning of june.
Ping back if you got any other questions.
Burak,
Thanks a ton! I've just pulled this down
Is there a way to execute pl/sql Script files through Python without
sqlclient.
https://code.google.com/p/pypyodbc/ might work for you...
i have checked cx_oracle and i guess it requires oracle client, so is there a
way to execute without oracle client.
Right, as the name implies it uses
Seems the soap list is a little quiet and the moderator is mia regardless.
Are there many soap users on this list familiar with Spyne or does anyone
know the most optimal place to post such questions?
Thanks!
jlc
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Is your question
regarding anything at all Python, or are you just looking for helpful
nerds? :)
Hi Chris,
Thanks for responding. I've been looking at Spyne to produce a service that
can accept a request formatted as follows:
?xml version='1.0' encoding='UTF-8'?
SOAP-ENV:Envelope
Read first.
You can try :
http://spyne.io/docs/2.10/
https://pythonhosted.org/Soapbox/
Thanks Marcus,
I assure you I have been reading but missed soapbox, I'll keep hacking away,
thanks for the pointer.
jlc
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Hi I have 3 csv files with a list of 5 items in each.
rainfall in mm, duration time,time of day,wind speed, date.
I am trying to compare the files. cutting out items in list list. ie:-
first file (rainfall2012.csv)rainfall, duration,time of day,wind speed,date.
first file
Hi all,
How can i implement multiprocessing without inherit file descriptors from
my parent process?
Please help me.
regards,
Antony
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I have a portion of code I need to speed up, there are 3 api calls to an
external system
where the first enumerates a large collection of objects I then loop through
and perform
two additional api calls each. The first call is instant, the second and third
per object are
very slow. Currently
How does one satisfy a lint/type checker with the return value of a class
method decorated
with a descriptor? It returns a dict, and I want the type hinting to suggest
this versus the
str|unknown its defaults to.
Thanks,
jlc
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Surely the answer will depend on the linter you are using. Care to tell
us, or shall we guess?
Hey Steven,
I am using PyCharm, I have to admit I feel silly on this one. I had a buried
assignment
that overrode the inferred type. It wasn't until a fresh set of eyes confirmed
something
was awry
I am trying to patch a method of a class thats proving to be less than trivial.
The module I am writing a test for, ModuleA imports another ModuleB and
instantiates a class from this. Problem is, ModuleA incorporates multiprocessing
queues and I suspect I am missing the patch as the object in
I have a module that has one operation that benefits greatly from being
multiprocessed.
Its a console based module and as such I have a stream handler and filter
associated to
the console, obviously the mp based instances need special handling, so I have
been
experimenting with a socket server
Maybe check out logstash (http://logstash.net/).
That looks pretty slick, I am constrained to using something provided by the
packaged modules
in this scenario.
I think I have it pretty close except for the fact that the
LogRecordStreamHandler from the cookbook
excepts when the sending
I am documenting a few classes with Sphinx that utilize methods decorated
with custom descriptors. These properties return data when called and Sphinx
is content with a :returns: and :rtype: markup in the properties doc string.
They also accept input, but parameter (not really applicable) nor var
But on Windows when I use the official Python 3.3 32-bit binary from
www.python.org this is not enabled.
For an unobtrusive way [1] to gain this, see apsw. For what it's worth, I prefer
this package over the built in module.
Python 3.3.3 (v3.3.3:c3896275c0f6, Nov 18 2013, 21:19:30) [MSC
You're going to have to subclass list if you want to intercept its
methods. As I see it, there are two ways you could do that: when it's
set, or when it's retrieved. I'd be inclined to do it in __set__, but
either could work. In theory, you could make it practically invisible
- just check to
I have a caching non data descriptor that stores values in the implementing
class
instances __dict__.
Something like:
class Descriptor:
def __init__(self, func, name=None, doc=None):
self.__name__ = name or func.__name__
self.__module__ = func.__module__
self.__doc__
New submission from Joseph Bylund:
Expected: pprint the object
Observed: crash with:
set([Traceback (most recent call last):
File ./test.py, line 7, in module
pp.pprint(myset)
File /usr/lib/python2.7/pprint.py, line 117, in pprint
self._format(object, self._stream, 0, 0, {}, 0
I have an Python3 argparse implementation that is invoked as a method from an
imported
class within a users script __main__.
When argparse is setup in __main__ instead, all the help switches produce help
then exit.
When a help switch is passed based on the above implementation, they are
As the script is being invoked with Popen, I lose that luxury and only gain
the assertions tests but that of course doesn't show me untested branches.
Should have read the docs more thoroughly, works quite nice.
jlc
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I have a script that accepts cmdline arguments and receives input via stdin.
I have a unit test for it that uses Popen to setup an environment, pass the args
and provide the stdin.
Problem is obviously this does nothing for providing coverage. Given the above
specifics, anyone know of a way to
So, back to my original question; what do you mean by providing
coverage?
Hi Roy,
I meant touch every line, such as what https://pypi.python.org/pypi/coverage
measures.
As the script is being invoked with Popen, I lose that luxury and only gain
the assertions tests but that of course doesn't
I sent off a msg to the reportlab list but didn't find an answer, hoping someone
here might have come across this...
I am generating a table to hold text oriented by the specification of the label
it gets printed on. I need to compress the vertical size of the table a little
more but the larger
Hi,
I have a masked array like in the attached link, I wanted to find
indices of the bounds where the mask is false ie in this case of depth file
where there is depth less than shore. Is there a pythonic way of finding the
boundary indices? please advice?
I have a need for a script to hold several tuples with three values, two text
strings and a lambda. I need to index the tuple based on either of the two
strings. Normally a database would be ideal but for a self-contained script
that's a bit much.
Before I re-invent the wheel, are there any
Not entirely sure I understand you, can you post an example?
If what you mean is that you need to locate the function (lambda) when
you know its corresponding strings, a dict will suit you just fine.
Either maintain two dicts for the two separate strings (eg if they're
name and location and
How about two dictionaries, each containing the same tuples for
values? If you create a tuple first, then add it to both dicts, you
won't have any space-wasting duplicates.
Thanks guys.
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...@gmail.comwrote:
On 14 November 2013 00:53, Sudheer Joseph sjo.in...@gmail.com wrote:
My trial code with Python (data is read from file here)
from netCDF4 import Dataset as nc
import numpy as np
XFIN=0.0,YFIN=-90.0,NREC=1461,DXIN=0.5;DYIN=0.5
TITLE=NCMRWF 6HOURLY FORCING MKS
nf=nc
Hi,
I need to write a binary file exactly as written by fortran code below
to be read by another code which is part of a model which is not advisable to
edit.I would like to use python for this purpose as python has mode flexibility
and easy coding methods.
character(40) ::
Any thoughts on what we're doing wrong?
Building them yourself:)
Try iuscommunity.org for prebuilt packages...
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with open(self.full_path, 'r') as input, open(self.output_csv, 'ab') as
output:
fieldnames = (...)
csv_writer = DictWriter(output, filednames)
# Call csv_writer.writeheader() if file is new.
csv_writer.writerows(my_dict)
I'm wondering what's the best
Like Victor says, that opens him up to race conditions.
Slim chance, it's no more possible than it happening in the time try/except
takes to recover an alternative procedure.
with open('in_file') as in_file, open('out_file', 'ab') as outfile_file:
if os.path.getsize('out_file'):
The default converter attribute uses localtime, but often under windows when
I add an additional logger, create a new file handler and set a formatter the
time
switches to utc.
Obviously redefining a new converter class does nothing as the default is what I
wanted to start with, localtime.
If that's a bit heavyweight (and confusing; it's not all free software,
since some of it is under non-free license terms), there are other
options.
pyBarcode URL:http://pythonhosted.org/pyBarcode/ says it's a
pure-Python library that takes a barcode type and the value, and
generates an SVG of the
I need to convert a proprietary MS Access based printing solution into
something I can
maintain. Seems there is plenty available for generating barcodes in Python, so
for the
persons who have been down this road I was hoping to get a pointer or two.
I need to create some type of output,
New submission from Joseph Warren:
I will add as a disclaimer to this bug report that I am relatively new to both
the http spec, and Python programming, so I may have completely misunderstood
something.
When I make a post request with some data (using libCurl), It sends the headers
first
Joseph Warren added the comment:
Cheers, would you suggest I submit a patch then?
Also what version of python should I do this against? I've been working with
2.7, but the issue still exists in 3.* and I can conveniently work against
3.2.3-7, and less conveniently work against other versions
Joseph Warren added the comment:
Issue1346874 seems similar, but is talking about a failure to handle 100
Continue responses sent by a server to the client, this issue is in server
code, and is a failure of BaseHttpServer to send 100 Continue responses to a
client which expects them.
Please
Joseph Warren added the comment:
Have downloaded an up to date version of Python to develop with, and found that
this issue had been fixed in it. This seems to have been done in changeset:
65028:7add45bcc9c6
changeset: 65028:7add45bcc9c6
user:Senthil Kumaran orsent...@gmail.com
Joseph Warren added the comment:
Sorry, this change does appear in 2.7.* I was looking at the wrong mercurial Tag
--
___
Python tracker rep...@bugs.python.org
http://bugs.python.org/issue19052
Changes by Joseph Warren hungryjoe.war...@gmail.com:
--
resolution: - duplicate
status: open - closed
___
Python tracker rep...@bugs.python.org
http://bugs.python.org/issue19052
This pragma speeds up most processes 10-20 times (yes 10-20):
pragma synchronous=OFF
See the SQLITE documentation for an explanation.
I've found no problems with this setting.
Aside from database integrity and consistency? :) I have that one set
to OFF as my case mandates data processing and
I have been battling an issue hopefully someone here has insight with.
I have a database with a few tables I perform a query against with some
joins against columns collated with NOCASE that leverage = comparisons.
Running the query on the database opened in sqlitestudio returns the
results in
I'm using Python 2.7 under Windows and am trying to run a command line
program and process the programs output as it is running. A number of
web searches have indicated that the following code would work.
import subprocess
p = subprocess.Popen(D:\Python\Python27\Scripts\pip.exe list
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