first commit

helix/models/subarray.py

@@ -0,0 +1,67 @@
+import json
+from helix.functions import fequal
+from helix.models.coordinate import Coordinate
+
+
+class Subarray(object):
+    def __init__(self, subarray_number=None, origin=None, required_seismic_anchors=None, start_row=None, size=None,
+                 weight=None, row_count=None, row_counted_geometrically=None, column_count=None,
+                 column_counted_geometrically=None):
+        self.subarray_number = subarray_number
+        self.origin = origin
+        self.required_seismic_anchors = required_seismic_anchors
+        self.start_row = start_row
+        self.size = size
+        self.weight = weight
+        self.row_count = row_count
+        self.row_counted_geometrically = row_counted_geometrically
+        self.column_count = column_count
+        self.column_counted_geometrically = column_counted_geometrically
+
+    def filter_data(self, required_data):
+        required_key_names = map(lambda x: x.subarray_key(), required_data)
+        d = {key: self.__dict__.get(key) for key in required_key_names}
+
+        subarray = Subarray()
+        subarray.__dict__.update(d)
+        return subarray
+
+    def is_subset(self, other):
+        if not isinstance(other, self.__class__):
+            return False
+        for key, value in self.__dict__.items():
+            if value is None:
+                continue
+            if other.__dict__[key] != value:
+                return False
+        return True
+
+    def almost_equal(self, other, decimal=6):
+        if not isinstance(other, self.__class__):
+            return False
+        if not fequal(self.weight, other.weight, delta=(10 ** (-decimal))):
+            print("Weights are not equal to within %d decimal places, got %f, expected %f" % (decimal, self.weight, other.weight))
+            return False
+        for key, value in self.__dict__.items():
+            if key == 'weight':
+                continue
+            elif other.__dict__.get(key) != value:
+                print("Expected %s to be equal, got %s, expected %s" % (key, str(value), str(other.__dict__.get(key))))
+                return False
+        return True
+
+    def __eq__(self, other):
+        if self is other:
+            return True
+        if not isinstance(other, self.__class__):
+            return False
+        return self.__dict__ == other.__dict__
+
+    def __repr__(self):
+        def json_forcer(x):
+            if isinstance(x, Coordinate):
+                return x.dictionary
+            return x.__dict__
+
+        d = {key: value for (key, value) in self.__dict__.items() if value is not None}
+        return json.dumps(d, sort_keys=True, default=json_forcer)