From a30b71772e7eb831e8d87759172a02e79f9673c4 Mon Sep 17 00:00:00 2001
From: Trygve Laugstøl <trygvis@inamo.no>
Date: Tue, 17 Jul 2018 12:23:58 +0200
Subject: wip. pcb.

---
 src/ee/fact/__init__.py | 50 ++++++++++++++++++++++++-------------------------
 1 file changed, 25 insertions(+), 25 deletions(-)

(limited to 'src/ee/fact')

diff --git a/src/ee/fact/__init__.py b/src/ee/fact/__init__.py
index 959e755..1bdef0d 100644
--- a/src/ee/fact/__init__.py
+++ b/src/ee/fact/__init__.py
@@ -1,12 +1,13 @@
-from typing import Optional, Mapping, List
 import configparser
+import logging
 import os
-from pathlib import Path
 from functools import total_ordering
-import logging
+from pathlib import Path
+from typing import MutableMapping, Optional, Mapping, List
 
 logger = logging.getLogger(__name__)
 
+
 @total_ordering
 class ObjectType(object):
     def __init__(self, name: str):
@@ -14,28 +15,20 @@ class ObjectType(object):
         self._fields = []
         self._objects = {}
 
-    def __eq__(self, o: object) -> bool:
-        other = o  # type ObjectType
+    def __eq__(self, o) -> bool:
+        other = o  # type: ObjectType
         return isinstance(o, ObjectType) and self._name == other._name
 
     def __lt__(self, o: object) -> bool:
         if not isinstance(o, ObjectType):
             return True
 
-        other = o  # type ObjectType
-        return (self._name) < (self._name)
+        other = o  # type: ObjectType
+        return self._name < other._name
 
     def __hash__(self) -> int:
         return self._name.__hash__()
 
-    def by_key(self, key: str) -> "Object":
-        try:
-            return self._objects[key]
-        except ValueError:
-            o = Object(self, key, {}, {})
-            self._objects[key] = o
-            return o
-
     @property
     def name(self):
         return self._name
@@ -54,6 +47,7 @@ class ObjectType(object):
             self._fields.append(field)
             return len(self._fields) - 1
 
+
 class Object(object):
     def __init__(self, ds: "DataSet", ot: ObjectType, key: str):
         self._ds = ds
@@ -81,13 +75,14 @@ class Object(object):
 
     def get(self, key: str) -> Optional[str]:
         idx = self._ot.index_of(key)
-        return self._data[idx]
+        return self._data[idx] if idx < len(self._data) else None
+
 
 class DataSet(object):
     def __init__(self, name):
         self._name = name
         self._object_types = {}
-        self._objects_by_type = {} # type: Mapping[str, Mapping[str, Object]]
+        self._objects_by_type = {}  # type: MutableMapping[str, Mapping[str, Object]]
         self._frozen = False
         self._changed = False
 
@@ -146,6 +141,7 @@ class DataSet(object):
 
         return ds
 
+
 class DataSetManager(object):
     def __init__(self, basedir: Path):
         self._basedir = Path(basedir)
@@ -181,7 +177,7 @@ class DataSetManager(object):
                 ini = self._load_ini(o_path)
                 o = ds.get_object(ot, key)
                 for k, v in ini.items("values"):
-                   o.set(k, v)
+                    o.set(k, v)
 
         if freeze:
             ds.freeze()
@@ -212,11 +208,13 @@ class DataSetManager(object):
             ini.add_section("values")
             for k in ot.fields:
                 v = o.get(k)
-                ini.set("values", k, v)
+                if v:
+                    ini.set("values", k, str(v))
             self._store_ini(ini, ot_dir / "{}.ini".format(key))
 
-    def _blank_ini(self):
-        return configparser.ConfigParser(interpolation = None)
+    @staticmethod
+    def _blank_ini():
+        return configparser.ConfigParser(interpolation=None)
 
     def _load_ini(self, path: Path):
         ini = self._blank_ini()
@@ -224,10 +222,12 @@ class DataSetManager(object):
             raise IOError("Could not load ini file: {}".format(path))
         return ini
 
-    def _store_ini(self, ini, path):
+    @staticmethod
+    def _store_ini(ini, path):
         with open(path, "w") as f:
             ini.write(f)
 
+
 class LazyDataSet(object):
     def __init__(self, dsm: DataSetManager, name, inputs):
         self._dsm = dsm
@@ -235,7 +235,7 @@ class LazyDataSet(object):
         self._inputs = inputs
 
     def __enter__(self):
-#        logger.info("enter: name={}, inputs={}".format(self._name, self._inputs))
+        # logger.info("enter: name={}, inputs={}".format(self._name, self._inputs))
         ds = DataSet(self._name)
         for name in self._inputs:
             ds = ds.merge(self._dsm.load(name, freeze=True))
@@ -243,7 +243,7 @@ class LazyDataSet(object):
         return self._ds
 
     def __exit__(self, *args):
-#        logger.info("exit: name={}, inputs={}".format(self._name, self._inputs))
-#        logger.info("ds.size={}".format(len(self._ds.items())))
+        # logger.info("exit: name={}, inputs={}".format(self._name, self._inputs))
+        # logger.info("ds.size={}".format(len(self._ds.items())))
         self._dsm.store(self._ds)
         return False
-- 
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