From 21972f97987d239c0bd924c090ede852a0427bec Mon Sep 17 00:00:00 2001
From: Trygve Laugstøl <trygvis@inamo.no>
Date: Wed, 20 Sep 2017 22:43:07 +0200
Subject: o Adding ee.kicad.to_pandas().

---
 src/ee/kicad/__init__.py     | 41 ++++++++++++++++++++++++++++++++++++++++-
 src/ee/kicad/bom/__init__.py |  2 +-
 src/ee/kicad/model.py        |  4 ++++
 3 files changed, 45 insertions(+), 2 deletions(-)

(limited to 'src')

diff --git a/src/ee/kicad/__init__.py b/src/ee/kicad/__init__.py
index c4c3af5..b270ba1 100644
--- a/src/ee/kicad/__init__.py
+++ b/src/ee/kicad/__init__.py
@@ -1,4 +1,5 @@
-import re
+from typing import Any
+
 from ee import EeException
 from ee.kicad.read_schematic import read_schematic
 from ee.kicad.to_bom import to_bom
@@ -11,4 +12,42 @@ __all__ = [
     "Schematic",
     "read_schematic",
     "to_bom",
+    "to_pandas",
 ]
+
+
+def to_pandas(obj: Any, **kwarg):
+    import pandas
+
+    def run_filter(filters, obj):
+        for f in filters:
+            if not f(obj):
+                return False
+        return True
+
+    def to_pandas_schematic(sch: Schematic, **kwarg):
+        def make_dict(c: Component):
+            return {
+                "ref": c.ref,
+                "ref_type": c.ref_type,
+                "ref_num": c.ref_num,
+                "value": c.value
+            }
+
+        components = sch.components
+
+        filters = []
+
+        if not kwarg.get("include_pwr", False):
+            filters.append(lambda c: not c.is_pwr)
+
+        data = [make_dict(c) for c in components if run_filter(filters, c)]
+
+        return pandas.DataFrame(data=data, columns=["ref", "ref_type", "ref_num", "value"]).\
+            set_index("ref").\
+            sort_index()
+
+    if isinstance(obj, Schematic):
+        return to_pandas_schematic(obj)
+    else:
+        raise EeException("Unsupported type: {}".format(type(obj)))
diff --git a/src/ee/kicad/bom/__init__.py b/src/ee/kicad/bom/__init__.py
index 2a32521..a36068b 100644
--- a/src/ee/kicad/bom/__init__.py
+++ b/src/ee/kicad/bom/__init__.py
@@ -67,7 +67,7 @@ class Bom(object):
         return self._components
 
     def all_field_names(self):
-        fields = set(['ref', 'value'])
+        fields = {'ref', 'value'}
         for c in self._components.values():
             for f in c.fields:
                 fields.add(f)
diff --git a/src/ee/kicad/model.py b/src/ee/kicad/model.py
index 7baa4a0..519a978 100644
--- a/src/ee/kicad/model.py
+++ b/src/ee/kicad/model.py
@@ -96,6 +96,10 @@ class Component(object):
         r = re.compile("([^0-9]+)(.+)")
         return int(r.split(self._ref)[2])
 
+    @property
+    def is_pwr(self) -> bool:
+        return self.ref_type == "#PWR"
+
     @property
     def value(self):
         return self._fields[1].value
-- 
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