[yt-svn] commit/yt: 2 new changesets

[commits-noreply at bitbucket.org]

2 new commits in yt:

https://bitbucket.org/yt_analysis/yt/commits/75eb04732491/
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

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 @@
     YTParticleDepositionNotImplemented, \
     YTNoAPIKey, \
     YTTooManyVertices
+from yt.fields.field_exceptions import \
+    NeedsGridType
 from yt.utilities.lib.quad_tree import \
     QuadTree
 from yt.utilities.lib.interpolators import \
@@ -492,6 +494,8 @@
         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
+    num_ghost_zones : integer, optional
+        The number of padding ghost zones used when accessing fields.
 
     Examples
     --------
@@ -609,7 +613,16 @@
         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
-        fill, gen, part, alias = self._split_fields(fields_to_get)
+        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
         if len(part) > 0: self._fill_particles(part)
         if len(fill) > 0: self._fill_fields(fill)
         for a, f in sorted(alias.items()):


https://bitbucket.org/yt_analysis/yt/commits/a776e67368c5/
Changeset:   a776e67368c5
Branch:      yt
User:        xarthisius
Date:        2016-03-24 21:31:25+00:00
Summary:     Merged in ngoldbaum/yt (pull request #2077)

Print a better error message when accessing fields that need ghost zones from a covering grid. Closes #1070.
Affected #:  1 file

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 @@
     YTParticleDepositionNotImplemented, \
     YTNoAPIKey, \
     YTTooManyVertices
+from yt.fields.field_exceptions import \
+    NeedsGridType
 from yt.utilities.lib.quad_tree import \
     QuadTree
 from yt.utilities.lib.interpolators import \
@@ -492,6 +494,8 @@
         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
+    num_ghost_zones : integer, optional
+        The number of padding ghost zones used when accessing fields.
 
     Examples
     --------
@@ -609,7 +613,16 @@
         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
-        fill, gen, part, alias = self._split_fields(fields_to_get)
+        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
         if len(part) > 0: self._fill_particles(part)
         if len(fill) > 0: self._fill_fields(fill)
         for a, f in sorted(alias.items()):

Repository URL: https://bitbucket.org/yt_analysis/yt/

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