Comments on: Jinja2 Final aka Jinjavitus Released

By: Sproaticus

Sproaticus — Tue, 19 Aug 2008 14:40:11 +0000

I’m using the setup.py straight from the 2.0 tarball. (I wonder if having make.exe and other dev tools in my PATH isn’t confusing distutils? I have several C compilers, just not the VC++ 7.1. that ActiveState used for their Python build.)

Anyway. On the theory that merely referencing a c sourcefile is causing distutils to look for a compiled binary, I got it to work last night by modifying the setup.py to ignore _speedups.c:

features={
’speedups’: Feature(”optional C speed-enhancements”,
standard=True,
ext_modules=[
# Extension(’jinja2._speedups’, [’jinja2/_speedups.c’]) # changed here
]
)
},

…followed by “setup.py –without-speedups install”

By: Armin Ronacher

Armin Ronacher — Tue, 19 Aug 2008 12:16:21 +0000

@8: I’ll look into that. But if you are using the setup.py directly that should work :-/

By: Sproaticus

Sproaticus — Tue, 19 Aug 2008 01:30:09 +0000

I’m having fun playing with this on my Ubuntu host. But on Win32 (sans VC++ compiler), when I try “setup.py –without-speedups install”, I get this at the end…

…
creating build\bdist.win32\egg\EGG-INFO
removing Jinja2.egg-info\native_libs.txt
copying Jinja2.egg-info\PKG-INFO -> build\bdist.win32\egg\EGG-INFO
copying Jinja2.egg-info\SOURCES.txt -> build\bdist.win32\egg\EGG-INFO
copying Jinja2.egg-info\dependency_links.txt -> build\bdist.win32\egg\EGG-INFO
copying Jinja2.egg-info\entry_points.txt -> build\bdist.win32\egg\EGG-INFO
error: can’t copy ‘Jinja2.egg-info\native_libs.txt’: doesn’t exist or not a regular file

It looks like it’s forgetting to automatically rebuild the file “native_libs.txt”. Perhaps something amiss with how bdist_egg is called? Sadly, I lack the distutils-fu necessary to get past this point.

By: Armin Ronacher

Armin Ronacher — Tue, 22 Jul 2008 08:09:44 +0000

@5: I haven’t had the time yet to create windows eggs for it. I’ll try to do that before going on vacation. That should “fix” the problem. As workaround you can explicitly disable the extension with “python setup.py –without-speedups”.

@6: No, that sounds like a reasonable result. There is actually a “real worldish” benchmark of the raw template engine throughput in the rwbench folder. There the results are even more diverting but the template is biased.

By: Vasil

Vasil — Mon, 21 Jul 2008 19:28:06 +0000

Just ran some profiling on Jinja2 against Genshi. Turns out it’s way faster for use with twisted.web, at least 4 times faster on 60 parallel requests. Is this possible or did I do something wrong in my test?
I had both engines load from filesystem and had auto_reload set to False on both.

By: Jon

Jon — Mon, 21 Jul 2008 13:08:15 +0000

Great stuff…however, I got the following when trying to update to the latest egg on my WinXP box…probably due to _speedups.c

easy_install -U Jinja2
…
Downloading http://pypi.python.org/packages/source/J/Jinja2/Jinja2-2.0.tar.gz#md5=19fe3ee10ee94a6003c53374112f2403
Processing Jinja2-2.0.tar.gz
Running Jinja2-2.0\setup.py -q bdist_egg –dist-dir c:\docume~1\jon~1\locals~1\temp\easy_install-whi05h\Jinja2-2.0\egg-dist-tmp-ndsr6y
warning: no files found matching ‘Makefile’
warning: no files found matching ‘ez_setup.py’
warning: no previously-included files matching ‘*’ found under directory ‘docs\_build\doctrees’
error: Setup script exited with error: Python was built with Visual Studio 2003;
extensions must be built with a compiler than can generate compatible binaries.
Visual Studio 2003 was not found on this system. If you have Cygwin installed,
you can try compiling with MingW32, by passing “-c mingw32″ to setup.py.

By: Christopher Grebs

Christopher Grebs — Sat, 19 Jul 2008 10:58:49 +0000

Thanks much Armin!

But I think that the django-inspired features in jinja2 are still less than in jinja1 so why call it django-inspired? :)

Anyway, keep up that good work!

Regards,
Christopher

By: Christoph Hack

Christoph Hack — Sat, 19 Jul 2008 07:02:12 +0000

I think you forgot about the main feature/improvement in your blog post, which was initially also the reason for rewriting. It’s a bit faster now and will enable better optimations later :)

But anyway, many thanks for releasing, we already upgraded. And nice holiday.

Regards,
Christoph

By: James

James — Fri, 18 Jul 2008 04:44:14 +0000

This is going to be great template to use!

By: Jared

Jared — Fri, 18 Jul 2008 00:02:19 +0000

Awesome work Armin. Jinja’s a damn fine beast.