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<p>2 new commits in yt:</p>
<p><a href="https://bitbucket.org/yt_analysis/yt/commits/75eb04732491/">https://bitbucket.org/yt_analysis/yt/commits/75eb04732491/</a> Changeset: 75eb04732491 Branch: yt User: ngoldbaum Date: 2016-03-24 18:52:15+00:00 Summary: Print a better error message when accessing fields that need ghost zones from a covering grid. Closes #1070. Affected #: 1 file</p>
<p>diff -r 9c03543ba85f4f0aa07f2f0261724831cedfe754 -r 75eb04732491dc00828af6c059f0ed0dd7eb5369 yt/data_objects/construction_data_containers.py --- a/yt/data_objects/construction_data_containers.py +++ b/yt/data_objects/construction_data_containers.py @@ -40,6 +40,8 @@</p>
<pre>YTParticleDepositionNotImplemented, \
YTNoAPIKey, \
YTTooManyVertices</pre>
<p>+from yt.fields.field_exceptions import \ + NeedsGridType</p>
<pre>from yt.utilities.lib.quad_tree import \
QuadTree
from yt.utilities.lib.interpolators import \</pre>
<p>@@ -492,6 +494,8 @@</p>
<pre> Number of cells along each axis of resulting covering_grid
fields : array_like, optional
A list of fields that you'd like pre-generated for your object</pre>
<p>+ num_ghost_zones : integer, optional + The number of padding ghost zones used when accessing fields.</p>
<pre>Examples
--------</pre>
<p>@@ -609,7 +613,16 @@</p>
<pre>fields_to_get = [f for f in fields if f not in self.field_data]
fields_to_get = self._identify_dependencies(fields_to_get)
if len(fields_to_get) == 0: return</pre>
<ul><li><p>fill, gen, part, alias = self._split_fields(fields_to_get)</p></li></ul>
<p>+ try: + fill, gen, part, alias = self._split_fields(fields_to_get) + except NeedsGridType: + if self._num_ghost_zones == 0: + raise RuntimeError( + “Attempting to access a field that needs ghost zones, but " + "num_ghost_zones = %s. You should create the covering grid " + "with nonzero num_ghost_zones.” % self._num_ghost_zones) + else: + raise</p>
<pre>if len(part) > 0: self._fill_particles(part)
if len(fill) > 0: self._fill_fields(fill)
for a, f in sorted(alias.items()):</pre>
<p><a href="https://bitbucket.org/yt_analysis/yt/commits/a776e67368c5/">https://bitbucket.org/yt_analysis/yt/commits/a776e67368c5/</a> Changeset: a776e67368c5 Branch: yt User: xarthisius Date: 2016-03-24 21:31:25+00:00 Summary: Merged in ngoldbaum/yt (pull request #2077)</p>
<p>Print a better error message when accessing fields that need ghost zones from a covering grid. Closes #1070. Affected #: 1 file</p>
<p>diff -r 49e7f3e3aa0dd471bcfb6b350af8c9ca8b18e760 -r a776e67368c5629296b1e365dfca0b68b41ef1d5 yt/data_objects/construction_data_containers.py --- a/yt/data_objects/construction_data_containers.py +++ b/yt/data_objects/construction_data_containers.py @@ -40,6 +40,8 @@</p>
<pre>YTParticleDepositionNotImplemented, \
YTNoAPIKey, \
YTTooManyVertices</pre>
<p>+from yt.fields.field_exceptions import \ + NeedsGridType</p>
<pre>from yt.utilities.lib.quad_tree import \
QuadTree
from yt.utilities.lib.interpolators import \</pre>
<p>@@ -492,6 +494,8 @@</p>
<pre> Number of cells along each axis of resulting covering_grid
fields : array_like, optional
A list of fields that you'd like pre-generated for your object</pre>
<p>+ num_ghost_zones : integer, optional + The number of padding ghost zones used when accessing fields.</p>
<pre>Examples
--------</pre>
<p>@@ -609,7 +613,16 @@</p>
<pre>fields_to_get = [f for f in fields if f not in self.field_data]
fields_to_get = self._identify_dependencies(fields_to_get)
if len(fields_to_get) == 0: return</pre>
<ul><li><p>fill, gen, part, alias = self._split_fields(fields_to_get)</p></li></ul>
<p>+ try: + fill, gen, part, alias = self._split_fields(fields_to_get) + except NeedsGridType: + if self._num_ghost_zones == 0: + raise RuntimeError( + “Attempting to access a field that needs ghost zones, but " + "num_ghost_zones = %s. You should create the covering grid " + "with nonzero num_ghost_zones.” % self._num_ghost_zones) + else: + raise</p>
<pre>if len(part) > 0: self._fill_particles(part)
if len(fill) > 0: self._fill_fields(fill)
for a, f in sorted(alias.items()):</pre>
<p>Repository URL: <a href="https://bitbucket.org/yt_analysis/yt/">https://bitbucket.org/yt_analysis/yt/</a></p>
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