add custom_eval_float

Author: dwhswenson

paths_cli/compiling/cvs.py

@@ -1,5 +1,5 @@
 from paths_cli.compiling.core import Parameter, Builder
-from paths_cli.compiling.tools import custom_eval
+from paths_cli.compiling.tools import custom_eval, custom_eval_float
 from paths_cli.compiling.topology import build_topology
 from paths_cli.compiling.errors import InputError
 from paths_cli.utils import import_thing
@@ -40,11 +40,11 @@ def _cv_kwargs_remapper(dct):
                                             for key, arg in kwargs.items()},
                   json_type='object', default=None,
                   description="keyword arguments for ``func``"),
-        Parameter('period_min', custom_eval, default=None,
+        Parameter('period_min', custom_eval_float, default=None,
                   json_type=json_type_eval('Float'),
                   description=("minimum value for a periodic function, "
                                "None if not periodic")),
-        Parameter('period_max', custom_eval, default=None,
+        Parameter('period_max', custom_eval_float, default=None,
                   json_type=json_type_eval('Float'),
                   description=("maximum value for a periodic function, "
                                "None if not periodic")),

paths_cli/compiling/tools.py

@@ -33,6 +33,11 @@ def custom_eval_int_strict_pos(obj, named_objs=None):
     return val
 
 
+def custom_eval_float(obj, named_objs=None):
+    val = custom_eval(obj, named_objs)
+    return float(val)
+
+
 class UnknownAtomsError(RuntimeError):
     pass
 

paths_cli/compiling/volumes.py

@@ -2,7 +2,7 @@
 import functools
 
 from paths_cli.compiling.core import Parameter
-from paths_cli.compiling.tools import custom_eval
+from paths_cli.compiling.tools import custom_eval_float
 from paths_cli.compiling.plugins import VolumeCompilerPlugin, CategoryPlugin
 from paths_cli.compiling.root_compiler import compiler_for
 from paths_cli.compiling.json_type import (
@@ -30,10 +30,10 @@ def cv_volume_build_func(**dct):
     parameters=[
         Parameter('cv', compiler_for('cv'), json_type=json_type_ref('cv'),
                   description="CV that defines this volume"),
-        Parameter('lambda_min', custom_eval,
+        Parameter('lambda_min', custom_eval_float,
                   json_type=json_type_eval("Float"),
                   description="Lower bound for this volume"),
-        Parameter('lambda_max', custom_eval,
+        Parameter('lambda_max', custom_eval_float,
                   json_type=json_type_eval("Float"),
                   description="Upper bound for this volume")
     ],