[yt-users] python 3, yet another demo fail + fix
Alexander Heger
alexander.heger at monash.edu
Thu Aug 27 05:22:53 PDT 2015
Dear Nathan,
there is also a fail in 6)_Volume_Rendering, 2nd cell, from the
cam.show() call that is related:
---------------------------------------------------------------------------
TypeError Traceback (most recent call last)
<ipython-input-2-978925a24bd8> in <module>()
2 tf.add_layers(4, w=0.01)
3 cam = ds.camera([0.5, 0.5, 0.5], [1.0, 1.0, 1.0], (20, 'kpc'),
512, tf, fields=["density"])
----> 4 cam.show()
/home/alex/Python/lib/python3.4/site-packages/yt/visualization/volume_rendering/camera.py
in show(self, clip_ratio)
801 image = self.snapshot()[:,:,:3]
802 if clip_ratio is not None: clip_ratio *= image.std()
--> 803 data = write_bitmap(image, None, clip_ratio)
804 publish_display_data(
805 data={'image/png': data},
/home/alex/Python/lib/python3.4/site-packages/yt/visualization/image_writer.py
in write_bitmap(bitmap_array, filename, max_val, transpose)
175 pw.write_png(bitmap_array, filename)
176 else:
--> 177 return pw.write_png_to_string(bitmap_array.copy())
178 return bitmap_array
179
/home/alex/Python/lib/python3.4/site-packages/yt/utilities/png_writer.py
in write_png_to_string(buffer, dpi, gray)
30 fileobj = IO()
31 # _png.write_png(buffer, width, height, fileobj, dpi)
---> 32 _png.write_png(buffer, fileobj, dpi)
33 png_str = fileobj.getvalue()
34 fileobj.close()
TypeError: string argument expected, got 'bytes'
----------------------
this has to do with strings in python3 are no longer used for buffers
but the bytes type.
yt/utilities/png_writer.py
attached I send you a fixed version (you may want to remove the "#-"
commended line I left in from the previous version. This now fixes this
and the previous bug (below).
hopefully this is all I need to fix for now, otherwise I probably should
start using your development framework to submit fixes / pull requests.
Best wishes,
Alexander
On 27/08/15 20:54, Alexander Heger wrote:
> Dear Nathan,
>
> I now ran further through the demo and this time I got stuck in
>
> 4)_Data_Objects_and_Time_Series
>
> in section "Slice Queries", 3rd input field, the line
>
> yt.write_image(np.log10(frb["gas", "density"]), "temp.png")
>
> causes a trace back
>
> ---------------------------------------------------------------------------
> TypeError Traceback (most recent call last)
> <ipython-input-17-6cc738ba1725> in <module>()
> ----> 1 yt.write_image(np.log10(frb["gas", "density"]), "temp.png")
> 2 #from IPython.display import Image
> 3 #Image(filename = "temp.png")
>
> /home/alex/Python/lib/python3.4/site-packages/yt/visualization/image_writer.py
> in write_image(image, filename, color_bounds, cmap_name, func)
> 217 image = image[:,:,0]
> 218 to_plot = apply_colormap(image, color_bounds =
> color_bounds, cmap_name = cmap_name)
> --> 219 pw.write_png(to_plot, filename)
> 220 return to_plot
> 221
>
> /home/alex/Python/lib/python3.4/site-packages/yt/utilities/png_writer.py
> in write_png(buffer, filename, dpi)
> 17 width = buffer.shape[1]
> 18 height = buffer.shape[0]
> ---> 19 _png.write_png(buffer, width, height, filename, dpi)
> 20
> 21 def write_png_to_string(buffer, dpi=100, gray=0):
>
> TypeError: write_png() takes at most 3 arguments (5 given)
>
> ----------------------------
>
> I think I have seen this error in yt version 3.0 or 3.1 before.
>
> (still using current 3.2)
>
> What seems to fix this for me is to change yt/utilities/png_writer.py
>
> def write_png(buffer, filename, dpi=100):
> # width = buffer.shape[1]
> # height = buffer.shape[0]
> # _png.write_png(buffer, width, height, filename, dpi)
> _png.write_png(buffer, filename, dpi)
>
> def write_png_to_string(buffer, dpi=100, gray=0):
> # width = buffer.shape[1]
> # height = buffer.shape[0]
> fileobj = cStringIO()
> # _png.write_png(buffer, width, height, fileobj, dpi)
> _png.write_png(buffer, fileobj, dpi)
> png_str = fileobj.getvalue()
> fileobj.close()
> return png_str
>
> (note:
> In [1]: mpl.__version__
> Out[1]: '1.5.dev1'
> )
>
> At this point, to get/keep these fixes I probably should switch to the
> development version of yt?
>
> Best wishes,
> Alexander
>
>
> On 27/08/15 17:46, Alexander Heger wrote:
>> Dear Nathan,
>>
>> I now switched to the current matplotlibrc files and with that it seems
>> to work.
>>
>> Thanks a lot.
>>
>> As another question: is ok or ill-advised to run with the current yt
>> development version instead of the latest release?
>>
>> Best wishes,
>> Alexander
>>
>> On 27/08/15 00:26, Nathan Goldbaum wrote:
>>>
>>>
>>> On Wed, Aug 26, 2015 at 4:48 AM, Alexander Heger <alex.heger at gmail.com
>>> <mailto:alex.heger at gmail.com>> wrote:
>>>
>>> Dear Nathan,
>>>
>>> Thanks for the report about this, we should make the quickstart
>>> notebooks work under both python 2 and python 3. I've filed an
>>> issue to
>>> track this here:
>>>
>>>
>>> https://bitbucket.org/yt_analysis/yt/issues/1073/quickstart-notebooks-do-not-work-under
>>>
>>>
>>>
>>> Python 3 is still new to yt, so there are rough edges that
>>> you're
>>> running across. It really helps to get reports back from python3
>>> users,
>>> especially new users where things are confusing in yt. So
>>> thank you!
>>>
>>>
>>> I ma happy to help, it is my interest to get it run - I use and
>>> teach students to use python 3 since there is many cool new features
>>> in py3.
>>>
>>> I'm not sure what's up with the font issue below. I just tried
>>> running
>>> the simple visualization notebook under python3 and it worked
>>> on my
>>> laptop, although that doesn't say much given that we likely
>>> installed in
>>> very different ways. The fact that it's looking for cmsy10 is
>>> a bit
>>> strange since yt doesn't use that font internally. Do you
>>> perhaps have
>>> useTex = True somewhere in your matplotlibrc? Even then I'm
>>> confused why
>>>
>>>
>>> yes, I would use that; matplotlib seems to work otherwise.
>>>
>>> it's crashing since I know many people use that setting
>>> day-to-day with
>>> yt and have no issues. I also just tried running that example
>>> notebook
>>> using matplotlib's useTex=True setting and it worked.
>>>
>>>
>>> maybe something is special, I admit that after installation on top
>>> of my custom-built python 3.4.3 on Fedora 22
>>>
>>> cd
>>> hg clone https://bitbucket.org/yt_analysis/yt
>>> cd yt
>>> hg update yt
>>> pip3 install -r requirements.txt
>>> pip3 install yt
>>>
>>> I upgraded all packages to current version
>>>
>>> pip3 freeze --local | grep -v '^\-e' | cut -d = -f 1 | xargs -n1
>>> pip3 install -U
>>>
>>> In either case, it's really a matplotlib issue and there's not
>>> much we
>>> can do about it on the yt side. In particular, I don't see any
>>> code
>>> outside matplotlib in any of your tracebacks. Did you install yt
>>> using
>>> the install script, or by "pip install"ing or "conda
>>> install"ing? Which
>>> matplotlib version are you running? You can check by doing
>>> "import
>>> matplotlib; print(matplotlib.__version__)" in the python REPL.
>>>
>>>
>>> In [1]: mpl.__version__
>>> Out[1]: '1.4.3'
>>>
>>> Maybe I need to check/update my mpl resource file which is not 5 yr
>>> old...?
>>>
>>> I will try to update mpl to current development version
>>>
>>> In [1]: mpl.__version__
>>> Out[1]: '1.5.dev1'
>>>
>>> unfortunately the error remains. I am a bit worried about the line
>>>
>>> --> 697 result = self._font[texname.decode('ascii')]
>>>
>>> I will check tomorrow where 'cmsy10' may come from.
>>>
>>> Should I also be suing the current development version of yt to make
>>> error tracking against current version (and getting fixes) easier?
>>>
>>> (and is this the correct list for this, or should I be using the
>>> yt-devel list?)
>>>
>>>
>>> Either list is fine, please also feel free to open an issue, especially
>>> if you can make this error reproducible on another setup.
>>>
>>>
>>> Best wishes,
>>> Alexander
>>>
>>>
>>>
>>>
>>> -Alexander
>>>
>>>
>>>
>>> ---------------------------------------------------------------------------
>>>
>>>
>>> KeyError Traceback (most
>>> recent
>>> call last)
>>>
>>>
>>> /home/alex/Python/lib/python3.4/site-packages/matplotlib/dviread.py
>>> in
>>> __getitem__(self, texname)
>>> 706 try:
>>> --> 707 result = self._font[texname]
>>> 708 except KeyError:
>>>
>>> KeyError: 'cmsy10'
>>>
>>>
>>>
>>>
>>> During handling of the above exception, another exception
>>> occurred:
>>>
>>> AttributeError Traceback (most
>>> recent
>>> call last)
>>>
>>>
>>> /home/alex/Python/lib/python3.4/site-packages/matplotlib/backends/backend_pdf.py
>>>
>>>
>>> in print_pdf(self, filename, **kwargs)
>>> 2484
>>> bbox_inches_restore=_bbox_inches_restore)
>>> -> 2485 self.figure.draw(renderer)
>>> 2486 renderer.finalize()
>>>
>>>
>>>
>>> /home/alex/Python/lib/python3.4/site-packages/matplotlib/artist.py
>>> in
>>> draw_wrapper(artist, renderer, *args, **kwargs)
>>> 58 before(artist, renderer)
>>> ---> 59 draw(artist, renderer, *args, **kwargs)
>>> 60 after(artist, renderer)
>>>
>>>
>>>
>>> /home/alex/Python/lib/python3.4/site-packages/matplotlib/figure.py
>>> in
>>> draw(self, renderer)
>>> 1084 for zorder, a, func, args in dsu:
>>> -> 1085 func(*args)
>>> 1086
>>>
>>>
>>>
>>> /home/alex/Python/lib/python3.4/site-packages/matplotlib/artist.py
>>> in
>>> draw_wrapper(artist, renderer, *args, **kwargs)
>>> 58 before(artist, renderer)
>>> ---> 59 draw(artist, renderer, *args, **kwargs)
>>> 60 after(artist, renderer)
>>>
>>>
>>>
>>> /home/alex/Python/lib/python3.4/site-packages/matplotlib/axes/_base.py
>>> in draw(self, renderer, inframe)
>>> 2109 for zorder, a in dsu:
>>> -> 2110 a.draw(renderer)
>>> 2111
>>>
>>>
>>>
>>> /home/alex/Python/lib/python3.4/site-packages/matplotlib/artist.py
>>> in
>>> draw_wrapper(artist, renderer, *args, **kwargs)
>>> 58 before(artist, renderer)
>>> ---> 59 draw(artist, renderer, *args, **kwargs)
>>> 60 after(artist, renderer)
>>>
>>>
>>>
>>> /home/alex/Python/lib/python3.4/site-packages/matplotlib/axis.py in
>>> draw(self, renderer, *args, **kwargs)
>>> 1118 for tick in ticks_to_draw:
>>> -> 1119 tick.draw(renderer)
>>> 1120
>>>
>>>
>>>
>>> /home/alex/Python/lib/python3.4/site-packages/matplotlib/artist.py
>>> in
>>> draw_wrapper(artist, renderer, *args, **kwargs)
>>> 58 before(artist, renderer)
>>> ---> 59 draw(artist, renderer, *args, **kwargs)
>>> 60 after(artist, renderer)
>>>
>>>
>>>
>>> /home/alex/Python/lib/python3.4/site-packages/matplotlib/axis.py in
>>> draw(self, renderer)
>>> 248 if self.label1On:
>>> --> 249 self.label1.draw(renderer)
>>> 250 if self.label2On:
>>>
>>>
>>>
>>> /home/alex/Python/lib/python3.4/site-packages/matplotlib/artist.py
>>> in
>>> draw_wrapper(artist, renderer, *args, **kwargs)
>>> 58 before(artist, renderer)
>>> ---> 59 draw(artist, renderer, *args, **kwargs)
>>> 60 after(artist, renderer)
>>>
>>>
>>>
>>> /home/alex/Python/lib/python3.4/site-packages/matplotlib/text.py in
>>> draw(self, renderer)
>>> 637 renderer.draw_tex(gc, x, y,
>>> clean_line,
>>> --> 638
>>> self._fontproperties, angle,
>>> mtext=mtext)
>>> 639 else:
>>>
>>>
>>>
>>> /home/alex/Python/lib/python3.4/site-packages/matplotlib/backends/backend_pdf.py
>>>
>>>
>>> in draw_tex(self, gc, x, y, s, prop, angle, ismath, mtext)
>>> 1823 if dvifont.texname not in
>>> self.file.dviFontInfo:
>>> -> 1824 psfont =
>>> self.tex_font_mapping(dvifont.texname)
>>> 1825
>>> self.file.dviFontInfo[dvifont.texname]
>>> = Bunch(
>>>
>>>
>>>
>>> /home/alex/Python/lib/python3.4/site-packages/matplotlib/backends/backend_pdf.py
>>>
>>>
>>> in tex_font_mapping(self, texfont)
>>> 1530
>>> dviread.PsfontsMap(dviread.find_tex_file('pdftex.map'))
>>> -> 1531 return self.tex_font_map[texfont]
>>> 1532
>>>
>>>
>>>
>>> /home/alex/Python/lib/python3.4/site-packages/matplotlib/dviread.py
>>> in
>>> __getitem__(self, texname)
>>> 708 except KeyError:
>>> --> 709 result =
>>> self._font[texname.decode('ascii')]
>>> 710 fn, enc = result.filename, result.encoding
>>>
>>> AttributeError: 'str' object has no attribute 'decode'
>>>
>>> During handling of the above exception, another exception
>>> occurred:
>>>
>>> FileNotFoundError Traceback (most
>>> recent
>>> call last)
>>>
>>>
>>> /home/alex/Python/lib/python3.4/site-packages/IPython/core/formatters.py
>>> in __call__(self, obj)
>>> 339 method =
>>> _safe_get_formatter_method(obj,
>>> self.print_method)
>>> 340 if method is not None:
>>> --> 341 return method()
>>> 342 return None
>>> 343 else:
>>>
>>>
>>>
>>> /home/alex/Python/lib/python3.4/site-packages/yt/visualization/plot_container.py
>>>
>>>
>>> in newfunc(*args, **kwargs)
>>> 75 if hasattr(args[0], 'run_callbacks'):
>>> 76 args[0].run_callbacks()
>>> ---> 77 rv = f(*args, **kwargs)
>>> 78 return rv
>>> 79 return newfunc
>>>
>>>
>>>
>>> /home/alex/Python/lib/python3.4/site-packages/yt/visualization/plot_container.py
>>>
>>>
>>> in _repr_html_(self)
>>> 642 ret = ''
>>> 643 for field in self.plots:
>>> --> 644 img =
>>> base64.b64encode(self.plots[field]._repr_png_()).decode()
>>> 645 ret += r'<img
>>> style="max-width:100%%;max-height:100%%;" ' \
>>> 646
>>> r'src="data:image/png;base64,{0}"><br>'.format(img)
>>>
>>>
>>>
>>> /home/alex/Python/lib/python3.4/site-packages/yt/visualization/base_plot_types.py
>>>
>>>
>>> in _repr_png_(self)
>>> 165 canvas = FigureCanvasAgg(self.figure)
>>> 166 f = BytesIO()
>>> --> 167 canvas.print_figure(f)
>>> 168 f.seek(0)
>>> 169 return f.read()
>>>
>>>
>>>
>>> /home/alex/Python/lib/python3.4/site-packages/matplotlib/backend_bases.py
>>>
>>> in print_figure(self, filename, dpi, facecolor, edgecolor,
>>> orientation, format, **kwargs)
>>> 2209 orientation=orientation,
>>> 2210
>>> bbox_inches_restore=_bbox_inches_restore,
>>> -> 2211 **kwargs)
>>> 2212 finally:
>>> 2213 if bbox_inches and restore_bbox:
>>>
>>>
>>>
>>> /home/alex/Python/lib/python3.4/site-packages/matplotlib/backends/backend_pdf.py
>>>
>>>
>>> in print_pdf(self, filename, **kwargs)
>>> 2489 file.endStream()
>>> 2490 else: # we opened the file
>>> above; now
>>> finish it off
>>> -> 2491 file.close()
>>> 2492
>>> 2493
>>>
>>>
>>>
>>> /home/alex/Python/lib/python3.4/site-packages/matplotlib/backends/backend_pdf.py
>>>
>>>
>>> in close(self)
>>> 523 self.endStream()
>>> 524 # Write out the various deferred objects
>>> --> 525 self.writeFonts()
>>> 526 self.writeObject(self.alphaStateObject,
>>> 527 dict([(val[0], val[1])
>>>
>>>
>>>
>>> /home/alex/Python/lib/python3.4/site-packages/matplotlib/backends/backend_pdf.py
>>>
>>>
>>> in writeFonts(self)
>>> 623 # a normal TrueType font
>>> 624 matplotlib.verbose.report('Writing
>>> TrueType
>>> font', 'debug')
>>> --> 625 realpath, stat_key =
>>> get_realpath_and_stat(filename)
>>> 626 chars =
>>> self.used_characters.get(stat_key)
>>> 627 if chars is not None and
>>> len(chars[1]):
>>>
>>>
>>>
>>> /home/alex/Python/lib/python3.4/site-packages/matplotlib/cbook.py in
>>> __call__(self, path)
>>> 1020 stat_key = realpath
>>> 1021 else:
>>> -> 1022 stat = os.stat(realpath)
>>> 1023 stat_key = (stat.st_ino,
>>> stat.st_dev)
>>> 1024 result = realpath, stat_key
>>>
>>> FileNotFoundError: [Errno 2] No such file or directory:
>>> '/home/alex/yt/doc/source/quickstart/cmsy10'
>>>
>>> <yt.visualization.plot_window.ProjectionPlot at
>>> 0x7fb8225470b8>
>>>
>>> On 25 July 2015 at 05:48, John ZuHone
>>> <jzuhone at space.mit.edu <mailto:jzuhone at space.mit.edu>
>>> <mailto:jzuhone at space.mit.edu
>>> <mailto:jzuhone at space.mit.edu>>> wrote:
>>>
>>> We are proud to announce the release of yt 3.2!
>>>
>>> yt (http://yt-project.org) is an open source,
>>> community-developed toolkit
>>> for analysis and visualization of volumetric data of
>>> all types,
>>> with a
>>> particular emphasis on astrophysical simulations and
>>> nuclear
>>> engineering
>>> simulations.
>>>
>>> Major enhancements
>>>
>>> Particle-Only Plots - a series of new plotting
>>> functions for
>>> visualizing
>>> particle data. See here for more information.
>>> Late-stage beta support for Python 3 - unit tests and
>>> answer
>>> tests pass for
>>> all the major frontends under python 3.4, and yt should
>>> now be
>>> mostly if not
>>> fully usable. Because many of the yt developers are
>>> still on
>>> Python 2 at
>>> this point, this should be considered a “late stage
>>> beta” as
>>> there may be
>>> remaining issues yet to be identified or worked out.
>>> Now supporting Gadget Friend-of-Friends/Subfind
>>> catalogs - see
>>> here to learn
>>> how to load halo catalogs as regular yt datasets.
>>> Custom colormaps can now be easily defined and added -
>>> see here
>>> to learn
>>> how!
>>> Now supporting Fargo3D data
>>> Performance improvements throughout the code base for
>>> memory and
>>> speed
>>>
>>>
>>> Minor enhancements
>>>
>>> Various updates to the following frontends: ART,
>>> Athena, Castro,
>>> Chombo,
>>> Gadget, GDF, Maestro, Pluto, RAMSES, Rockstar, SDF,
>>> Tipsy
>>> Numerous documentation updates
>>> Generic hexahedral mesh pixelizer
>>> Adding annotate_ray() callback for plots
>>> AbsorptionSpectrum returned to full functionality and
>>> now using
>>> faster SciPy
>>> Voigt profile
>>> Add a color_field argument to annotate_streamline
>>> Smoothing lengths auto-calculated for Tipsy Datasets
>>> Adding SimulationTimeSeries support for Gadget and
>>> OWLS.
>>> Generalizing derived quantity outputs to all be
>>> YTArrays or lists of
>>> YTArrays as appropriate
>>> Star analysis returned to full functionality
>>> FITS image writing refactor
>>> Adding gradient fields on the fly
>>> Adding support for Gadget Nx4 metallicity fields
>>> Updating value of solar metal mass fraction to be
>>> consistent
>>> with Cloudy.
>>> Gadget raw binary snapshot handling & non-cosmological
>>> simulation units
>>> Adding support for LightRay class to work with
>>> Gadget+Tipsy
>>> Add support for subclasses of frontends
>>> Dependencies updated
>>> Serialization for projections using minimal
>>> representation
>>> Adding Grid visitors in Cython
>>> Improved semantics for derived field units
>>> Add a yaw() method for the PerspectiveCamera + switch
>>> back to LHS
>>> Adding annotate_clear() function to remove previous
>>> callbacks
>>> from a plot
>>> Added documentation for hexahedral mesh on website
>>> Speed up nearest neighbor evaluation
>>> Add a convenience method to create deposited particle
>>> fields
>>> UI and docs updates for 3D streamlines
>>> Ensure particle fields are tested in the field unit
>>> tests
>>> Allow a suffix to be specified to save()
>>> Add profiling using airspeed velocity
>>> Various plotting enhancements and bugfixes
>>> Use hglib to update
>>> Various minor updates to halo_analysis toolkit
>>> Docker-based tests for install_script.sh
>>> Adding support for single and non-cosmological datasets
>>> to LightRay
>>> Adding the Pascal unit
>>> Add weight_field to PPVCube
>>> FITS reader: allow HDU in auxiliary
>>> Fixing electromagnetic units
>>> Specific Angular Momentum [xyz] computed relative to a
>>> normal vector
>>>
>>>
>>> Bugfixes
>>>
>>> Adding ability to create union fields from alias fields
>>> Small fix to allow enzo AP datasets to load in parallel
>>> when no
>>> APs present
>>> Use proper cell dimension in gradient function.
>>> Minor memory optimization for smoothed particle fields
>>> Fix thermal_energy for Enzo HydroMethod==6
>>> Make sure annotate_particles handles unitful widths
>>> properly
>>> Improvements for add_particle_filter and
>>> particle_filter
>>> Specify registry in off_axis_projection's image
>>> finalization
>>> Apply fix for particle momentum units to the boxlib
>>> frontend
>>> Avoid traceback in "yt version" when python-hglib is
>>> not installed
>>> Expose no_ghost from export_sketchfab down to
>>> _extract_isocontours_from_grid
>>> Fix broken magnetic_unit attribute
>>> Fixing an off-by-one error in the set x/y lim methods
>>> for
>>> profile plots
>>> Providing better error messages to PlotWindow callbacks
>>> Updating annotate_timestamp to avoid auto-override
>>> Updating callbacks to consistently define coordinate
>>> system
>>> Fixing species fields for OWLS and tipsy
>>> Fix extrapolation for vertex-centered data
>>> Fix periodicity check in FRBs
>>> Rewrote project_to_plane() in PerspectiveCamera for
>>> draw_domain()
>>> Fix intermittent failure in
>>> test_add_deposited_particle_field
>>> Improve minorticks for a symlog plot with one-sided
>>> data
>>> Fix smoothed covering grid cell computation
>>> Absorption spectrum generator now 3.0 compliant
>>> Fix off-by-one-or-more in particle smallest dx
>>> Fix dimensionality mismatch error in covering grid
>>> Fix curvature term in cosmology calculator
>>> Fix geographic axes and pixelization
>>> Ensure axes aspect ratios respect the user-selected
>>> plot aspect
>>> ratio
>>> Avoid clobbering field_map when calling
>>> profile.add_fields
>>> Fixing the arbitrary grid deposit code
>>> Fix spherical plotting centering
>>> Make the behavior of to_frb consistent with the
>>> docstring
>>> Ensure projected units are initialized when there are
>>> no chunks.
>>> Removing "field already exists" warnings from the
>>> Owls and
>>> Gadget frontends
>>> Various photon simulator bugs
>>> Fixed use of LaTeX math mode
>>> Fix upload_image
>>> Enforce plot width in CSS when displayed in a notebook
>>> Fix cStringIO.StringIO -> cStringIO in png_writer
>>> Add some input sanitizing and error checking to
>>> covering_grid
>>> initializer
>>> Fix for geographic plotting
>>> Use the correct filename template for single-file OWLS
>>> datasets.
>>> Fix Enzo IO performance for 32 bit datasets
>>> Adding a number density field for Enzo MultiSpecies=0
>>> datasets.
>>> Fix RAMSES block ordering
>>> Fix ART star particle masses to correctly reflect
>>> current and
>>> initial mass
>>> Updating ragged array tests for NumPy 1.9.1
>>> Force returning lists for HDF5FileHandler
>>>
>>>
>>> Coming Soon!
>>>
>>> The next major release of yt will be version 3.3,
>>> which is
>>> slated to include
>>> an overhaul of the volume rendering system and
>>> support for
>>> analyzing and
>>> visualizing unstructured mesh data.
>>>
>>> Standard Installation Methods
>>>
>>> As with previous releases, you can install yt from
>>> source using
>>> one of the
>>> following methods.
>>>
>>> 1) From the install script
>>> (http://yt-project.org/#getyt ):
>>>
>>> Note, many of the dependencies have been updated since
>>> version
>>> 3.1. If you
>>> previously installed yt from the install script, it is
>>> advised
>>> that you
>>> re-install yt from scratch.
>>>
>>> # Installation
>>>
>>> $ wget
>>>
>>> http://bitbucket.org/yt_analysis/yt/raw/stable/doc/install_script.sh
>>> $ bash install_script.sh
>>>
>>> # Update
>>>
>>> $ yt update
>>>
>>> 2) From pip (source or binary wheel, see below for more
>>> details):
>>>
>>> # Installation
>>>
>>> $ pip install yt
>>>
>>> # Update
>>>
>>> $ pip install -U yt
>>>
>>> 3) From the Anaconda Python Distribution
>>> (https://store.continuum.io/cshop/anaconda/):
>>>
>>> # Installation
>>>
>>> $ conda install yt
>>>
>>> # Update
>>>
>>> $ conda update yt
>>>
>>> Note that it might take a day or two for the conda
>>> package to be
>>> updated.
>>>
>>> If you are on the “stable” branch, updating will bring
>>> you from
>>> yt 3.1 to
>>> 3.2, incorporating all
>>> changes since 3.1, whereas if you are on the “dev” or
>>> “yt”
>>> branch, only the
>>> changes since
>>> your last update should be incorporated.
>>>
>>> Installing Binary Packages via pip
>>>
>>> New to this release is the ability to install binary
>>> packages
>>> (“wheels”)
>>> using pip on Windows and Mac OS X (64-bit only for
>>> both). This
>>> has the
>>> advantage of not needing to install yt from source
>>> using a
>>> proper compiler
>>> setup, which has caused occasional problems on both of
>>> these
>>> platforms and
>>> prevented us from installing yt easily on other Python
>>> distributions.
>>>
>>> We have so far been able to install and run the binary
>>> distribution via pip
>>> on the following platforms and Python stacks:
>>>
>>> Note that it might take a day or two for the pip wheels
>>> to be
>>> updated.
>>>
>>> Windows x86_64:
>>>
>>> Enthought Canopy Python
>>> (https://www.enthought.com/products/canopy/)
>>> WinPython (http://winpython.sourceforge.net/)
>>>
>>>
>>> Mac OS X x86_64:
>>>
>>> Enthought Canopy Python
>>> (https://www.enthought.com/products/canopy/)
>>> Homebrew Python (http://brew.sh/)
>>> Python.org Python
>>> Mac OS X’s system Python
>>> MacPorts Python (https://www.macports.org/)
>>>
>>>
>>> This is somewhat experimental, so other distributions
>>> may work
>>> (or not),
>>> please submit bug reports or successes to the mailing
>>> list or to the
>>> Bitbucket issues page
>>> (http://bitbucket.org/yt_analysis/yt/issues).
>>>
>>> All distributions are recommended to be Python v. 2.7,
>>> although
>>> with yt 3.2
>>> there is late-stage beta support for Python 3.4. The
>>> requirements for
>>> installing yt via this method are the same as from
>>> source:
>>>
>>> NumPy
>>> h5py
>>> HDF5
>>> SymPy
>>> Matplotlib
>>> IPython (not required, but strongly recommended)
>>>
>>>
>>> To install a new version of yt on one of these
>>> platforms, simply do
>>>
>>> $ pip install yt
>>>
>>> and you should get the binary distribution
>>> automatically. Also,
>>> if your
>>> python installation is system-wide (e.g., the Mac
>>> system Python)
>>> you might
>>> need to run pip with administrator privileges.
>>>
>>> For more information, including more installation
>>> instructions,
>>> links to
>>> community resources, and information on contributing to
>>> yt’s
>>> development,
>>> please see the yt homepage at http://yt-project.org
>>> and the
>>> documentation
>>> for yt-3.2 at http://yt-project.org/docs/3.2.
>>>
>>> yt is the product of a large community of developers
>>> and users
>>> and we are
>>> extraordinarily grateful for and proud of their
>>> contributions.
>>> Please
>>> forward this announcement on to any interested parties.
>>>
>>> As always, if you have any questions, concerns, or run
>>> into any
>>> trouble
>>> updating please don't hesitate to send a message to the
>>> mailing
>>> list or stop
>>> by our IRC channel.
>>>
>>> All the best,
>>> The yt development team
>>>
>>>
>>> _______________________________________________
>>> yt-users mailing list
>>> yt-users at lists.spacepope.org
>>> <mailto:yt-users at lists.spacepope.org>
>>> <mailto:yt-users at lists.spacepope.org
>>> <mailto:yt-users at lists.spacepope.org>>
>>> http://lists.spacepope.org/listinfo.cgi/yt-users-spacepope.org
>>>
>>>
>>>
>>>
>>> _______________________________________________
>>> yt-users mailing list
>>> yt-users at lists.spacepope.org
>>> <mailto:yt-users at lists.spacepope.org>
>>> http://lists.spacepope.org/listinfo.cgi/yt-users-spacepope.org
>>>
>>> _______________________________________________
>>> yt-users mailing list
>>> yt-users at lists.spacepope.org <mailto:yt-users at lists.spacepope.org>
>>> http://lists.spacepope.org/listinfo.cgi/yt-users-spacepope.org
>>>
>>>
>>>
>>>
>>> _______________________________________________
>>> yt-users mailing list
>>> yt-users at lists.spacepope.org
>>> http://lists.spacepope.org/listinfo.cgi/yt-users-spacepope.org
>>>
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