Merge 8309b79 into 96c200e

src/cr/cube/cubepart.py

@@ -182,6 +182,10 @@ def inserted_column_idxs(self):
     def inserted_row_idxs(self):
         return tuple(i for i, row in enumerate(self._matrix.rows) if row.is_insertion)
 
+    @lazyproperty
+    def is_empty(self):
+        return any(s == 0 for s in self.shape)
+
     @lazyproperty
     def means(self):
         return np.array([row.means for row in self._matrix.rows])
@@ -504,6 +508,10 @@ def bases(self):
     def counts(self):
         return tuple(row.count for row in self._stripe.rows)
 
+    @lazyproperty
+    def is_empty(self):
+        return any(s == 0 for s in self._shape)
+
     @lazyproperty
     def inserted_row_idxs(self):
         # TODO: add integration-test coverage for this.
@@ -717,6 +725,10 @@ class _Nub(CubePartition):
     def base_count(self):
         return self._cube.base_counts
 
+    @lazyproperty
+    def is_empty(self):
+        return False if self.base_count else True
+
     @lazyproperty
     def means(self):
         return self._scalar.means

tests/fixtures/econ-nodata-no-dims.json

@@ -0,0 +1,90 @@
+{
+    "element": "shoji:view",
+    "self": "https://app.crunch.io/api/datasets/43f0d19eb1f241a39b7d5c547a0a6b6e/cube/?filter=%5B%5D&query=%7B%22dimensions%22:%5B%5D,%22measures%22:%7B%22count%22:%7B%22function%22:%22cube_count%22,%22args%22:%5B%5D%7D,%22mean%22:%7B%22function%22:%22cube_mean%22,%22args%22:%5B%7B%22variable%22:%22https:%2F%2Fapp.crunch.io%2Fapi%2Fdatasets%2F43f0d19eb1f241a39b7d5c547a0a6b6e%2Fvariables%2F00000c%2F%22%7D%5D%7D%7D,%22weight%22:null%7D",
+    "value": {
+        "query": {
+            "measures": {
+                "count": {
+                    "function": "cube_count",
+                    "args": [
+
+                    ]
+                },
+                "mean": {
+                    "function": "cube_mean",
+                    "args": [
+                        {
+                            "variable": "https://app.crunch.io/api/datasets/43f0d19eb1f241a39b7d5c547a0a6b6e/variables/00000c/"
+                        }
+                    ]
+                }
+            },
+            "dimensions": [
+
+            ],
+            "weight": null
+        },
+        "query_environment": {
+            "filter": [
+
+            ]
+        },
+        "result": {
+            "dimensions": [
+
+            ],
+            "missing": 0,
+            "measures": {
+                "count": {
+                    "data": [
+                        null
+                    ],
+                    "n_missing": 0,
+                    "metadata": {
+                        "references": {
+
+                        },
+                        "derived": true,
+                        "type": {
+                            "integer": true,
+                            "missing_rules": {
+
+                            },
+                            "missing_reasons": {
+                                "No Data": -1
+                            },
+                            "class": "numeric"
+                        }
+                    }
+                },
+                "mean": {
+                    "data": [
+                        null
+                    ],
+                    "n_missing": 0,
+                    "metadata": {
+                        "references": {
+
+                        },
+                        "derived": true,
+                        "type": {
+                            "integer": null,
+                            "missing_rules": {
+
+                            },
+                            "missing_reasons": {
+                                "No Data": -1
+                            },
+                            "class": "numeric"
+                        }
+                    }
+                }
+            },
+            "element": "crunch:cube",
+            "counts": [
+                null
+            ],
+            "n": null
+        }
+    }
+}

tests/fixtures/om-sgp8334215-vn-2019-sep-19-strand.json

@@ -0,0 +1,105 @@
+{
+  "result": {
+    "dimensions": [
+      {
+        "derived": true,
+        "references": {
+          "alias": "VCAO2_open1",
+          "notes": "Base: Those using other specified streaming platforms",
+          "name": "Device for consumption of free TV and video content - Other specified",
+          "description": "Which of the following devices do you use to watch free television and video content? Please select all that apply. : Other Specify"
+        },
+        "type": {
+          "subtype": {
+            "missing_rules": {
+              "No data": {
+                "function": "==",
+                "args": [
+                  {
+                    "variable": "000009"
+                  },
+                  {
+                    "value": "__NA__"
+                  }
+                ]
+              }
+            },
+            "missing_reasons": {
+              "No Data": -1,
+              "No data": 1
+            },
+            "class": "text"
+          },
+          "elements": [
+            {
+              "id": 0,
+              "value": {
+                "?": -1
+              },
+              "missing": true
+            }
+          ],
+          "class": "enum"
+        }
+      }
+    ],
+    "measures": {
+      "count": {
+        "data": [
+          1044.9999999999
+        ],
+        "n_missing": 1045,
+        "metadata": {
+          "references": {},
+          "derived": true,
+          "type": {
+            "integer": false,
+            "class": "numeric",
+            "missing_reasons": {
+              "No Data": -1
+            },
+            "missing_rules": {}
+          }
+        }
+      }
+    },
+    "n": 1045,
+    "filter_stats": {
+      "filtered_complete": {
+        "unweighted": {
+          "selected": 1045,
+          "other": 0,
+          "missing": 0
+        },
+        "weighted": {
+          "selected": 1044.9999999999,
+          "other": 0,
+          "missing": 0
+        }
+      },
+      "filtered": {
+        "unweighted": {
+          "selected": 1045,
+          "other": 0,
+          "missing": 0
+        },
+        "weighted": {
+          "selected": 1044.9999999999,
+          "other": 0,
+          "missing": 0
+        }
+      }
+    },
+    "unfiltered": {
+      "unweighted_n": 1045,
+      "weighted_n": 1044.9999999999
+    },
+    "filtered": {
+      "unweighted_n": 1045,
+      "weighted_n": 1044.9999999999
+    },
+    "counts": [
+      1045
+    ]
+  }
+}