From 702d7900b646a9d873e6eaa4c61088c618eba9f1 Mon Sep 17 00:00:00 2001
From: Trygve Laugstøl <trygvis@inamo.no>
Date: Tue, 14 May 2019 23:08:20 +0200
Subject: ee.logging: New module to handle logging. Need something better for
 messages too. create-bom: Resolving parts from their value fact too.

---
 src/ee/bom.py | 67 ++++++++++++++++++++++++++++++++++++++++++-----------------
 1 file changed, 48 insertions(+), 19 deletions(-)

(limited to 'src/ee/bom.py')

diff --git a/src/ee/bom.py b/src/ee/bom.py
index f8cca71..731f5b4 100644
--- a/src/ee/bom.py
+++ b/src/ee/bom.py
@@ -4,21 +4,32 @@ from pathlib import Path
 from typing import List, MutableMapping, Optional
 
 from ee import EeException
+from ee.logging import log
 from ee.db import ObjDb
 from ee.part import PartDb, load_db, save_db, Part
 from ee.project import Project, report, SupplierDescriptor
 from ee.xml import types
+from ee.xml.uris import make_fact_key
 
 __all__ = ["create_bom"]
 
 
+class Hit(object):
+    def __init__(self, part: Part, method: str):
+        self.part = part
+        self.method = method
+
+
 class BomPart(object):
-    def __init__(self, part: types.Part):
-        self.part = Part(part)
+    def __init__(self, part: Part):
+        self.part = part
         ref = self.part.get_only_schematic_reference()
         self.ref = ref.referenceProp if ref else None
-        self.available_from: MutableMapping[str, Part] = {}
-        self.selected_part = None
+        self.hits = []
+        self.selected_part: Optional[Part] = None
+
+    def add_hit(self, part, method):
+        self.hits.append(Hit(part, method))
 
 
 def make_report(out_file, unresolved_parts, bom_parts: ObjDb[BomPart], supplier_parts: ObjDb[Path]):
@@ -41,6 +52,7 @@ def create_bom(project: Project, schematic_path: Path, out_path: Path, part_dbs:
         strategy = pydoc.locate(strategy_name)
         if not callable(strategy):
             raise EeException("Not a callable: {}, is a {}".format(strategy_name, type(strategy)))
+        log.info("Using strategy '{}'".format(strategy_name))
 
     supplier_parts = ObjDb[Part]()
     supplier_parts.add_unique_index("uri", lambda p: p.uri)
@@ -65,40 +77,55 @@ def create_bom(project: Project, schematic_path: Path, out_path: Path, part_dbs:
         op.part.get_mpns()] if op.part.supplier else None, multiple=True)
 
     for sch_part in sch_db.iterparts():
-        part = BomPart(sch_part)
-        part.part = strategy(part.part)
-        if part.part is None:
+        part = Part(sch_part)
+
+        part = strategy(part)
+        if part is None:
             continue
 
-        bom_parts.add(part)
+        bom_parts.add(BomPart(part))
 
     for bom_part in bom_parts:
         sch_part_numbers = [pn.valueProp for pn in bom_part.part.get_mpns()]
         sch_supplier_part_numbers = [spn.valueProp for spn in bom_part.part.get_spns()]
 
+        value_fact = bom_part.part.find_fact(make_fact_key("value"))
+        if value_fact:
+            value_fact = value_fact.valueProp
+
         for supplier in suppliers:
+            # Part number search
             pns = supplier_pn_idx.get(supplier.uri)
-            spns = supplier_spn_idx.get(supplier.uri)
-
             for sch_pn in sch_part_numbers:
                 for supplier_part in pns.get(sch_pn, []):
-                    bom_part.available_from[supplier_part.uri] = supplier_part
+                    bom_part.add_hit(supplier_part, "pn")
+
+            if value_fact:
+                for supplier_part in pns.get(value_fact, []):
+                    bom_part.add_hit(supplier_part, "pn_value_fact")
+
+            # Supplier number search
+            spns = supplier_spn_idx.get(supplier.uri)
             for sch_spn in sch_supplier_part_numbers:
                 for supplier_part in spns.get(sch_spn, []):
-                    bom_part.available_from[supplier_part.uri] = supplier_part
+                    bom_part.add_hit(supplier_part, "spn")
+
+            if value_fact:
+                for supplier_part in spns.get(value_fact, []):
+                    bom_part.add_hit(supplier_part, "spn_value_fact")
 
     unresolved_parts = []
     for bom_part in bom_parts:
-        af = bom_part.available_from
-        if len(af) == 0:
+        if len(bom_part.hits) == 0:
             unresolved_parts.append(bom_part)
-        elif len(af) == 1:
-            bom_part.selected_part = next(iter(af.values()))
+        elif len(bom_part.hits) == 1:
+            bom_part.selected_part = bom_part.hits[0].part
         else:
-            raise EeException("unimplemented: part ({}) available from multiple suppliers: {}".
-                              format(bom_part.ref, ",".join(af.keys())))
+            references = [hit.part.printable_reference for hit in bom_part.hits]
+            raise EeException("Multiple hits when looking for part: {}".
+                              format(bom_part.ref, ",".join(references)))
 
-    bom_parts.add_index("uri", lambda op: op.selected_part.uri if op.selected_part else None)
+    bom_parts.add_index("uri", lambda bp: bp.selected_part.uri if bp.selected_part else None)
     bom_parts.add_multi_index("supplier,part", lambda op: (
         op.selected_part.supplier, op.selected_part.uri) if op.selected_part else None)
 
@@ -111,6 +138,7 @@ def create_bom(project: Project, schematic_path: Path, out_path: Path, part_dbs:
     out_parts = PartDb()
     for bom_part in bom_parts:
         if not bom_part.selected_part:
+            log.info("No part selected for {}".format(bom_part.part.printable_reference))
             continue
 
         supplier_part = bom_part.selected_part
@@ -121,4 +149,5 @@ def create_bom(project: Project, schematic_path: Path, out_path: Path, part_dbs:
 
         out_parts.add_entry(part, True)
 
+    log.info("Found {} of {} parts, missing {}".format(len(out_parts), len(sch_db), len(unresolved_parts)))
     save_db(out_path, out_parts)
-- 
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