creating emicorr datamodel and schema

.gitignore

@@ -2,6 +2,7 @@
 __pycache__/
 *.py[cod]
 *$py.class
+*.DS_Store
 
 # C extensions
 *.so

src/stdatamodels/jwst/datamodels/emi.py

@@ -1,4 +1,6 @@
 from .reference import ReferenceFileModel
+from stdatamodels.dynamicdq import dynamic_mask
+from .dqflags import pixel
 
 
 __all__ = ['EmiModel']
@@ -10,10 +12,25 @@ class EmiModel(ReferenceFileModel):
 
     Parameters
     __________
-    rfc_freq_short : numpy table
-    rfc_freq_medium : numpy table
-    rfc_freq_long : numpy table
-    max_amp : numpy table
+    data : numpy float32 array
+         The science data
+
+    dq : numpy uint32 array
+         Data quality array
+
+    err : numpy float32 array
+         Error array
+
+    dq_def : numpy table
+         DQ flag definitions
     """
     schema_url = "http://stsci.edu/schemas/jwst_datamodel/emi.schema"
 
+    def __init__(self, init=None, **kwargs):
+        super(EmiModel, self).__init__(init=init, **kwargs)
+
+        self.dq = dynamic_mask(self, pixel)
+
+        # Implicitly create arrays
+        self.err = self.err
+

src/stdatamodels/jwst/datamodels/schemas/emi.schema.yaml

@@ -0,0 +1,37 @@
+%YAML 1.1
+---
+$schema: "http://stsci.edu/schemas/fits-schema/fits-schema"
+id: "http://stsci.edu/schemas/jwst_datamodel/emi.schema"
+allOf:
+- $ref: referencefile.schema
+- $ref: subarray.schema
+- $ref: keyword_exptype.schema
+- $ref: keyword_filter.schema
+- $ref: keyword_pfilter.schema
+- $ref: keyword_readpatt.schema
+- $ref: keyword_preadpatt.schema
+- $ref: keyword_pupil.schema
+- $ref: keyword_ppupil.schema
+- $ref: keyword_channel.schema
+- $ref: keyword_pchannel.schema
+- $ref: keyword_band.schema
+- $ref: keyword_pband.schema
+- type: object
+  properties:
+    data:
+      title: The science data
+      fits_hdu: SCI
+      default: 0.0
+      ndim: 2
+      datatype: float32
+    dq:
+      title: Data quality array
+      fits_hdu: DQ
+      default: 0
+      datatype: uint32
+    err:
+      title: Error array
+      fits_hdu: ERR
+      default: 0.0
+      datatype: float32
+- $ref: dq_def.schema