PKGBUILD and python setuptools

I wrote a proper post earlier but during that time i was logged out and it seems that what i was going to post just vanished so i'll just pop a quick question (are posts that you were going to post saved somewhere or do i just have to be quick posting?):
Is it possible to create a python related package and install it in a virtualenv (so that python dependencies don't pose a problem for other packages?) or is that not advisable as virtualenvs don't seem to be specially portable?
Also, is it not possible to install dependencies from setup.py when making an AUR package? I'm guessing that this would be a bad idea because of conflicting files in the same directory from different AUR packages?
Thanks in advance!
If I'm unclear or something just tell me and I'll try to make it clearer.

Hi there!
I've checked the guidelines and they don't seem to mention anything about that and as far as i can tell the other packages just use the dependency system that pacman offers. This leads me to believe that there's something off about installing it in a virtualenv in one way or another, otherwise i'm guessing that other packages would use that solution as well in some way.
I've checked it now and hope it works, thanks!

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# Maintainer: Link Dupont <[email protected]>
# Contributor: Link Dupont <[email protected]>
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license="non-free"
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'9be0cf8bdd62658f46c52fdcba4be34e' '98078ba55a7f7f50750181adea924621'
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byte-compiling /home/anatol/tmp/pkgs/hdctools-git/pkg/hdctools-git/usr/lib/python2.7/site-packages/servo/bbgpio_unittests.py to bbgpio_unittests.pyc
byte-compiling /home/anatol/tmp/pkgs/hdctools-git/pkg/hdctools-git/usr/lib/python2.7/site-packages/servo/gpio_interface.py to gpio_interface.pyc
byte-compiling /home/anatol/tmp/pkgs/hdctools-git/pkg/hdctools-git/usr/lib/python2.7/site-packages/servo/uart.py to uart.pyc
byte-compiling /home/anatol/tmp/pkgs/hdctools-git/pkg/hdctools-git/usr/lib/python2.7/site-packages/servo/client.py to client.pyc
byte-compiling /home/anatol/tmp/pkgs/hdctools-git/pkg/hdctools-git/usr/lib/python2.7/site-packages/servo/bbuart_unittests.py to bbuart_unittests.pyc
byte-compiling /home/anatol/tmp/pkgs/hdctools-git/pkg/hdctools-git/usr/lib/python2.7/site-packages/servo/bbadc.py to bbadc.pyc
byte-compiling /home/anatol/tmp/pkgs/hdctools-git/pkg/hdctools-git/usr/lib/python2.7/site-packages/servo/bbmux_controller.py to bbmux_controller.pyc
byte-compiling /home/anatol/tmp/pkgs/hdctools-git/pkg/hdctools-git/usr/lib/python2.7/site-packages/servo/system_config.py to system_config.pyc
byte-compiling /home/anatol/tmp/pkgs/hdctools-git/pkg/hdctools-git/usr/lib/python2.7/site-packages/servo/bbgpio.py to bbgpio.pyc
byte-compiling /home/anatol/tmp/pkgs/hdctools-git/pkg/hdctools-git/usr/lib/python2.7/site-packages/servo/ftdigpio.py to ftdigpio.pyc
byte-compiling /home/anatol/tmp/pkgs/hdctools-git/pkg/hdctools-git/usr/lib/python2.7/site-packages/servo/bbi2c_unittests.py to bbi2c_unittests.pyc
writing byte-compilation script '/tmp/tmp4TA67u.py'
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removing /tmp/tmp4TA67u.py
running install_egg_info
running egg_info
writing build/servo.egg-info/PKG-INFO
writing top-level names to build/servo.egg-info/top_level.txt
writing dependency_links to build/servo.egg-info/dependency_links.txt
writing entry points to build/servo.egg-info/entry_points.txt
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File "setup.py", line 28, in <module>
'dut-control = servo.dut_control:main',
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dist.run_commands()
File "/usr/lib/python2.7/distutils/dist.py", line 953, in run_commands
self.run_command(cmd)
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cmd_obj.run()
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File "/usr/lib/python2.7/distutils/command/install.py", line 575, in run
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-- Detecting CXX compiler ABI info - done
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-- Check for working Fortran compiler: /usr/bin/gfortran
-- Check for working Fortran compiler: /usr/bin/gfortran -- works
-- Detecting Fortran compiler ABI info
-- Detecting Fortran compiler ABI info - done
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-- Checking whether /usr/bin/gfortran supports Fortran 90 -- yes
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-- Performing Test OpenMP_FLAG_DETECTED
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-- Looking for include file pthread.h - found
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-- Looking for pthread_create - found
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-- Could not find KNITRO library
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-- Could not find CPLEX libraries
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-- Could not find Matlab libs
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-- Found PythonLibs: /usr/lib64/libpython2.7.so (found suitable version "2.7.5", minimum required is "2.7")
-- Python executable is /home/hamid/bin/python
-- numpy.get_include() is /usr/lib/python2.7/site-packages/numpy/core/include
-- Numpy path found: /usr/include/python2.7/numpy
-- Python libs: /usr/lib64/libpython2.7.so
-- Numpy includes: /usr/include/python2.7/numpy;/usr/include
-- Numpy libs: /usr/lib64/python2.7/site-packages/numpy/core/multiarray.so
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-- Found Doxygen: /usr/bin/doxygen (found version "1.8.4")
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-- The following features have been enabled:
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* using-c++11 , Using C++11 features (improves efficiency and is required for some examples).
* sundials-interface , Interface to the ODE/DAE integrator suite SUNDIALS.
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* lapack-interface , Interface to LAPACK.
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-- The following OPTIONAL packages have been found:
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* LibXml2
* BLAS
* Threads
* LAPACK
* PkgConfig
* IPOPT
* SWIG
* NUMPY
* PythonInterp
* Doxygen
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* opencl-support , Enable just-in-time compiliation to CPUs and GPUs with OpenCL.
* get-ipopt , Download and build Ipopt.
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* cplex-interface , Interface to the QP solver CPLEX.
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* MATLAB
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-- Generating done
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-- The C compiler identification is GNU 4.8.1
-- The CXX compiler identification is GNU 4.8.1
-- Check for working C compiler: /usr/bin/colorgcc
-- Check for working C compiler: /usr/bin/colorgcc -- works
-- Detecting C compiler ABI info
-- Detecting C compiler ABI info - done
-- Check for working CXX compiler: /usr/bin/c++
-- Check for working CXX compiler: /usr/bin/c++ -- works
-- Detecting CXX compiler ABI info
-- Detecting CXX compiler ABI info - done
-- The Fortran compiler identification is GNU
-- Check for working Fortran compiler: /usr/bin/gfortran
-- Check for working Fortran compiler: /usr/bin/gfortran -- works
-- Detecting Fortran compiler ABI info
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-- Checking whether /usr/bin/gfortran supports Fortran 90 -- yes
-- Flag needed for enabling C++11 features: -std=gnu++11
-- x86_64 architecture detected - setting flag -fPIC
-- Try OpenMP C flag = [-fopenmp]
-- Performing Test OpenMP_FLAG_DETECTED
-- Performing Test OpenMP_FLAG_DETECTED - Success
-- Try OpenMP CXX flag = [-fopenmp]
-- Performing Test OpenMP_FLAG_DETECTED
-- Performing Test OpenMP_FLAG_DETECTED - Failed
-- Try OpenMP CXX flag = [/openmp]
-- Performing Test OpenMP_FLAG_DETECTED
-- Performing Test OpenMP_FLAG_DETECTED - Failed
-- Try OpenMP CXX flag = [-Qopenmp]
-- Performing Test OpenMP_FLAG_DETECTED
-- Performing Test OpenMP_FLAG_DETECTED - Failed
-- Try OpenMP CXX flag = [-openmp]
-- Performing Test OpenMP_FLAG_DETECTED
-- Performing Test OpenMP_FLAG_DETECTED - Failed
-- Try OpenMP CXX flag = [ ]
-- Performing Test OpenMP_FLAG_DETECTED
-- Performing Test OpenMP_FLAG_DETECTED - Failed
-- Try OpenMP CXX flag = [-xopenmp]
-- Performing Test OpenMP_FLAG_DETECTED
-- Performing Test OpenMP_FLAG_DETECTED - Failed
-- Try OpenMP CXX flag = [+Oopenmp]
-- Performing Test OpenMP_FLAG_DETECTED
-- Performing Test OpenMP_FLAG_DETECTED - Failed
-- Try OpenMP CXX flag = [-qsmp]
-- Performing Test OpenMP_FLAG_DETECTED
-- Performing Test OpenMP_FLAG_DETECTED - Failed
-- Try OpenMP CXX flag = [-mp]
-- Performing Test OpenMP_FLAG_DETECTED
-- Performing Test OpenMP_FLAG_DETECTED - Failed
-- Could NOT find OpenMP (missing: OpenMP_CXX_FLAGS)
-- Looking for Fortran sgemm
-- Looking for Fortran sgemm - found
-- Looking for include file pthread.h
-- Looking for include file pthread.h - found
-- Looking for pthread_create
-- Looking for pthread_create - not found
-- Looking for pthread_create in pthreads
-- Looking for pthread_create in pthreads - not found
-- Looking for pthread_create in pthread
-- Looking for pthread_create in pthread - found
-- Found Threads: TRUE
-- Found LibXml2: /usr/lib64/libxml2.so (found version "2.9.1")
-- A library with BLAS API found.
-- Looking for Fortran cheev
-- Looking for Fortran cheev - found
-- A library with LAPACK API found.
-- Found PkgConfig: /usr/bin/pkg-config (found version "0.28")
-- checking for one of the modules 'ipopt'
-- Detected an IPOPT configuration without development headers. Build will proceed, but without callback functionality. To enable it, see https://github.com/casadi/casadi/wiki/enableIpoptCallback
-- Detected an IPOPT configuration without sIPOPT headers. Build will proceed, but without sIPOPT functionality.
-- Found IPOPT: ipopt;lapack;blas;m;dl;coinmumps;pthread;blas;gfortran;m;gcc_s;quadmath;coinmetis
-- Could not find KNITRO include dir
-- Could not find KNITRO library
-- Could not find CPLEX include dir
-- Could not find CPLEX libraries
-- Could not find MA57
-- MA57 libraries not found. Falling back to MA27
-- Could not find MA27
-- Could not find OOQP include dir
-- Could not find SNOPT include dir
-- Found Snopt libs: /usr/lib64/libf2c.a;-lpthread;/usr/lib64/liblapack.so;/usr/lib64/libblas.so;dl
-- Could not find MATLAB include dir
-- Could not find Matlab libs
-- Could not find SNOPT include dir
-- Found Snopt libs: /usr/lib64/libf2c.a;-lpthread;/usr/lib64/liblapack.so;/usr/lib64/libblas.so;dl
-- Could not find MATLAB include dir
-- Could not find Matlab libs
-- Found SWIG: /usr/bin/swig (found version "2.0.10")
-- Found PythonLibs: /usr/lib64/libpython2.7.so (found suitable version "2.7.5", minimum required is "2.7")
-- Python executable is /usr/bin/python2
-- numpy.get_include() is /usr/lib/python2.7/site-packages/numpy/core/include
-- Numpy path found: /usr/include/python2.7/numpy
-- Python libs: /usr/lib64/libpython2.7.so
-- Numpy includes: /usr/include/python2.7/numpy;/usr/include
-- Numpy libs: /usr/lib64/python2.7/site-packages/numpy/core/multiarray.so
-- Found PythonInterp: /usr/bin/python2 (found version "2.7.5")
-- Found Doxygen: /usr/bin/doxygen (found version "1.8.4")
-- Found DOXYFILE_IN: /usr/src/AUR/build/casadi/src/casadi/documentation/api-doc/Doxyfile.in
-- pyreport not found -- try 'easy_install pyreport'
-- The following features have been enabled:
* dynamic-loading , Compile with support for dynamic loading of generated functions (needed for ExternalFunction)
* using-c++11 , Using C++11 features (improves efficiency and is required for some examples).
* sundials-interface , Interface to the ODE/DAE integrator suite SUNDIALS.
* csparse-interface , Interface to the sparse direct linear solver CSparse.
* lapack-interface , Interface to LAPACK.
* ipopt-interface , Interface to the NLP solver Ipopt.
* qpoases-interface , Interface to the active-set QP solver qpOASES.
* dsdp-interface , Interface to the interior point SDP solver DSDP (requires BLAS and LAPACK).
-- The following OPTIONAL packages have been found:
* LibXml2
* BLAS
* Threads
* LAPACK
* PkgConfig
* IPOPT
* SWIG
* NUMPY
* PythonInterp
* Doxygen
-- The following features have been disabled:
* just-in-time , Just-in-time compiliation via the LLVM compiler framework.
* opencl-support , Enable just-in-time compiliation to CPUs and GPUs with OpenCL.
* get-ipopt , Download and build Ipopt.
* knitro-interface , Interface to the NLP solver KNITRO.
* cplex-interface , Interface to the QP solver CPLEX.
* ooqp-interface , Interface to the QP solver OOQP (requires BLAS).
* worhp-inteface , Interface to the NLP solver Worhp (requires LibXml2 headers).
-- The following OPTIONAL packages have not been found:
* OpenMP
* KNITRO
* CPLEX
* MA57
* MA27
* OOQP
* MATLAB
* OCTAVE
* LATEX
* PYREPORT
-- Configuring done
-- Generating done

With a little creativity, you can actually do all that from the command line with a single command. It'll look a little crazy, but it can be done.
Whether the script exists on the local machine or not has zero to do with platform indpendence. You assumedly have to get the application onto the local machine, so including the script is not really an issue at all. However, you're talking about system independence, yet still wishing to run command line arguments? The two are mutually exclusive.

Compability problem with Java and Python RSA algorithm implementation

I have client server application. Server is writtein in python, client in java. Client receives messages from server encrypted with RSA (http://stuvel.eu/rsa), and I'm unable to decrypt it. It seems that this is RSA algorithm compatibility problem. I'm using algorithm from java.security package, instatinating Cipher object like this: c = Cipher.getInstance("RSA"); . I noticed that this algorithm produces for input blocks of lengtrh <=117 ouput block of length 128. Server I guess uses the most triviall impelentation of RSA ( (1 byte is encrypted to 1 byte) So i want to make my java algorithm compatibile with this one which server uses. How to do that ? Do i have to instatinate Cipher object in different way ? Or use another library ?

azedor wrote:
First you said it was no good because it could only handle <= 117 byte inputs, now you say it is no good because it produces a 128-byte output. You're not making sense.First i said that this two RSA implementations are not compatibile, and first reason i noticed firstly is that Python imlementation for input of length N produces cryptogram of the same length. Not true. In general, the RSA encryption of any number of bytes less than the length of the modulus will produce a result of length near that of the modulus. When N is less than the length of the modulus, it is rare that N bytes of cleartext produces N bytes of ciphertext.
Java implementation for data block of length <=117 produces alwasy 128 bytes of output.Pretty much correct and very much desirable. This is primarily a function of the PKCS1 padding which is used to solve two basic problems. First, as I alluded to in my first response, it is the nature of the algorithm that leading zeros are not preserved and second when the cleartext is very small (a few bytes) the exponentiation does not roll over and it is easy to decrypt the result. Both these problems are addressed by PKCS1 padding.
>
>
After what sabre150 said i think of giving up idea of translating Python code to Java and considering to use another assymetric cryptography algorithms on both sides. Can you recommend me sth what should be compatibile with Python ?This seems to be at odds with your statement in reply #3 "Also have acces only to client code so i have to change sth in java." ! This statement is why I said "I suspect ... you have dug a deep hole".
In your position I would use the Python bindings for openssl. Once more, Google is your friend.

ICal Server and Python causing max CPU usage on 10.5.1 server

We are having an issue with iCal Server where a python process is monopolizing the CPU (70%-95%) to the point everything grinds to a halt. Once iCal is stopped, then started again it will be ok for anywhere from 10 minutes to a few hours before it starts all over again.
caldavd error Log is being bombarded with what looks like every transaction. See example below:
2008-01-07 11:26:46-0600 [-] [caldav-8008] [HTTPChannel,4634,192.168.1.139] PROPFIND /principals/_uids_/BA237A85-F880-4A89-B1C1-F07E72A1508E/ HTTP/1.1
This may be completely unrelated, but the DirectoryService process seems to be running high (35%-40%) as well.
Any help would be greatly appreciated!
Fun Facts:
G5 Xserve - Dual 2.0
4GB RAM
Mac OS 10.5.1 Server
DNS seems to be in working order

Server is running with a FQDN and functioning kerberos. The only thing regarding python twisted framework or close to it is when iCal server starts.
2008-01-07 18:25:37-0600 [-] [caldav-8008] [-] Log opened.
2008-01-07 18:25:37-0600 [-] [caldav-8008] [-] twistd 2.5.0 (/System/Library/Frameworks/Python.framework/Versions/2.5/Resources/Python.app/ Contents/MacOS/Python 2.5.1) starting up
2008-01-07 18:25:37-0600 [-] [caldav-8008] [-] reactor class: <class 'twisted.internet.selectreactor.SelectReactor'>
2008-01-07 18:25:37-0600 [-] [caldav-8008] [-] Configuring directory service of type: twistedcaldav.directory.appleopendirectory.OpenDirectoryService
2008-01-07 18:25:37-0600 [-] [caldav-8008] [-] "Directory service <OpenDirectoryService '/Search': '/Search'> has no GUID; generating service GUID from realm name."
2008-01-07 18:25:37-0600 [-] [caldav-8008] [-] Configuring SudoDirectoryService with file: /etc/caldavd/sudoers.plist
2008-01-07 18:25:37-0600 [-] [caldav-8008] [-] Setting up document root at: /Library/CalendarServer/Documents
2008-01-07 18:25:37-0600 [-] [caldav-8008] [-] Setting up principal collection: <class 'twistedcaldav.directory.principal.DirectoryPrincipalProvisioningResource'>
2008-01-07 18:25:37-0600 [-] [caldav-8008] [-] Setting up calendar collection: <class 'twistedcaldav.static.CalendarHomeProvisioningFile'>
2008-01-07 18:25:37-0600 [-] [caldav-8008] [-] Setting up root resource: <class 'twistedcaldav.root.RootResource'>
2008-01-07 18:25:37-0600 [-] [caldav-8008] [-] Setting up default ACEs on root resource
2008-01-07 18:25:37-0600 [-] [caldav-8008] [-] Setting up AdminPrincipals
2008-01-07 18:25:37-0600 [-] [caldav-8008] [-] Setting root ACL
2008-01-07 18:25:37-0600 [-] [caldav-8008] [-] Configuring authentication for realm: /Search
2008-01-07 18:25:37-0600 [-] [caldav-8008] [-] Setting up scheme: kerberos
2008-01-07 18:25:37-0600 [-] [caldav-8008] [-] Setting up scheme: digest
2008-01-07 18:25:39-0600 [-] [caldav-8008] [-] Configuring authentication wrapper
2008-01-07 18:25:39-0600 [-] [caldav-8008] [-] Setting up service
2008-01-07 18:25:39-0600 [-] [caldav-8008] [-] Configuring log observer: <twistedcaldav.logging.AMPCommonAccessLoggingObserver object at 0x147a7f0>
2008-01-07 18:25:39-0600 [-] [caldav-8008] [-] Adding server at :8008
2008-01-07 18:25:39-0600 [-] [caldav-8008] [-] twisted.web2.channel.http.HTTPFactory starting on 8008
2008-01-07 18:25:39-0600 [-] [caldav-8008] [-] Starting factory <twisted.web2.channel.http.HTTPFactory instance at 0x146fc10>
2008-01-07 18:25:39-0600 [-] [caldav-8008] [-] set uid/gid 93/93
2008-01-07 18:25:39-0600 [twistedcaldav.logging.AMPLoggingFactory] AMPLoggingProtocol connection established (HOST:UNIXSocket('/var/run/caldavd.sock') PEER:UNIXSocket(''))
2008-01-07 18:25:39-0600 [-] [caldav-8008] [-] AMP connection established (HOST:UNIXSocket(None) PEER:UNIXSocket('/var/run/caldavd.sock'))

Java and Python

Greetings
I would like to know about how to use python as script language for make java games. I mean to control some behavior for example as trigger in a scene. Someone knows about any tutorial.
Thanks in advance

For Python and C++
http://www.gamasutra.com/features/20020821/dawson_pfv.htm
The book "Developing Games in Java" from New Riders publishing.
Chapter 14: Game Scripting

[SOLVED] Inkscape and python-numpy problem.

When I'm trying to use the perspective tool in Inkscape I'm getting this message.
Inkscape has received additional data from the script executed. The script did not return an error, but this may indicate the results will not be as expected.
Failed to import the numpy or numpy.linalg modules. These modules are required by this extension. Please install them and try again. On a Debian-like system this can be done with the command, sudo apt-get install python-numpy.
I got python-numpy installed, and was asking around in #inkscape, they think it has to do with a wrong path problem with prefix or exec-prefix(?).
I tried to run Inkscape inside /usr/lib/python3.2/site-packages/numpy, but I'm getting the same message. Also tried to run as root... nothing helped.
Any idea's?
Last edited by Math (2011-10-23 04:45:23)

It turned out to be a python2/python3 version problem. I just had to install python2-numpy to fix this.
SOLVED!

AUR Pkgbuild and Node.js

If my package needs some nodejs packages to build/run, it's preferred to install them through AUR (when provided) or just add a line
npm install -g name_of_the_package
into build() function?
Keep in mind that if the package has been already installed on the system by npm, installation from AUR will fail.
This is my pkgbuild https://aur.archlinux.org/packages/brackets/

I don't want to sound pretentious, but nodejs is a strange framework (I don't know almost anything about it), and i.e. brackets has all this build dependencies (just the build ones...)
"grunt": "0.4.1",
"jasmine-node": "1.11.0",
"grunt-jasmine-node": "0.1.0",
"grunt-cli": "0.1.9",
"phantomjs": "1.9.0-1",
"grunt-lib-phantomjs": "0.3.0",
"grunt-contrib-jshint": "0.6.0",
"grunt-contrib-watch": "0.4.3",
"grunt-contrib-jasmine": "0.4.2",
"grunt-template-jasmine-requirejs": "0.1.0",
"grunt-contrib-cssmin": "0.6.0",
"grunt-contrib-clean": "0.4.1",
"grunt-contrib-copy": "0.4.1",
"grunt-contrib-htmlmin": "0.1.3",
"grunt-contrib-less": "0.8.2",
"grunt-contrib-requirejs": "0.4.1",
"grunt-contrib-uglify": "0.2.0",
"grunt-contrib-concat": "0.3.0",
"grunt-targethtml": "0.2.6",
"grunt-usemin": "0.1.11",
"load-grunt-tasks": "0.2.0",
"q": "0.9.2",
"jshint": "2.1.4",
"xmldoc": "^0.1.2"
I don't think that a user without an AUR helper should be happy to have to install all these things, when it can just be avoided adding
npm install
inside PKGBUILD.

PKGBUILD and python setuptools

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