From 21ed642fa528cc732f8d682266111be64c1ae711 Mon Sep 17 00:00:00 2001
From: Trygve Laugstøl <trygvis@inamo.no>
Date: Tue, 8 Aug 2017 08:40:47 +0200
Subject: o KiCAD BOM parser.

---
 src/ee/kicad/bom/__init__.py | 58 ++++++++++++++++++++++++++++++++++++++++++++
 src/ee/kicad/bom/io.py       | 44 +++++++++++++++++++++++++++++++++
 2 files changed, 102 insertions(+)
 create mode 100644 src/ee/kicad/bom/__init__.py
 create mode 100644 src/ee/kicad/bom/io.py

(limited to 'src/ee/kicad/bom')

diff --git a/src/ee/kicad/bom/__init__.py b/src/ee/kicad/bom/__init__.py
new file mode 100644
index 0000000..1808357
--- /dev/null
+++ b/src/ee/kicad/bom/__init__.py
@@ -0,0 +1,58 @@
+__all__ = [
+  'Part',
+  'Library',
+  'Bom',
+  'Comp',
+]
+
+class Part:
+  def __init__(self, name):
+    self.name = name
+
+class Library:
+  def __init__(self, name):
+    self.name = name
+    self.parts = {}
+
+  def add_part(self, part):
+    try:
+      return self.parts[part]
+    except KeyError:
+      p = Part(part)
+      self.parts[part] = p
+      return p
+
+class Bom:
+  def __init__(self):
+    self.libraries = {}
+    self.components = {}
+
+  def add_component(self, component):
+    self.components[component.ref] = component
+
+  def get_component(self, name):
+    return self.components[name]
+
+  def get_components(self):
+    return self.components
+
+  def find_library(self, name):
+    try:
+      return self.libraries[name]
+    except KeyError:
+      lib = Library(name)
+      self.libraries[name] = lib
+      return lib
+
+class Comp:
+  def __init__(self, ref, value, library, part, footprint):
+    self.ref = ref
+    self.value = value
+    self.footprint = footprint
+    self.library = library
+    self.part = part
+    self.fields = {}
+
+  def add_field(self, key, value):
+    self.fields[key] = value
+
diff --git a/src/ee/kicad/bom/io.py b/src/ee/kicad/bom/io.py
new file mode 100644
index 0000000..c7eef44
--- /dev/null
+++ b/src/ee/kicad/bom/io.py
@@ -0,0 +1,44 @@
+import xml.etree.ElementTree as ElementTree
+from ee.kicad.bom import *
+
+def read_bom(path):
+  def child_text(e, child_tag):
+    child = e.find(child_tag)
+
+    return child.text if child is not None else None
+
+  def add_comp(b, comp):
+    ref = comp.get("ref")
+    value = child_text(comp, "value")
+    footprint = child_text(comp, "footprint")
+    libsource = comp.find("libsource")
+    l, p = (None, None)
+    if libsource is not None:
+      lib = libsource.get("lib")
+      part = libsource.get("part")
+      if lib is not None and part is not None:
+        l = b.find_library(lib)
+        p = l.add_part(part)
+
+    c = Comp(ref, value, l, p, footprint)
+
+    fields = comp.find("fields")
+    if fields is not None:
+      for f in fields.findall("field"):
+        key = f.get("name")
+        value = f.text
+        c.add_field(key, value)
+
+    b.add_component(c)
+    return c
+
+  with open(path) as f:
+    tree = ElementTree.parse(path)
+    root = tree.getroot()
+
+    b = Bom()
+    comp = root.find("components").findall("comp")
+    for c in comp:
+      add_comp(b, c)
+
+    return b
-- 
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