Wie man ein KiCAD-XML-BOM mit Python liest

Dieses Skript liest ein XML-BOM (auch python-bom in kicad-cli genannt) mit beautifulsoup4 und generiert als Anwendungsbeispiel ein RefDes-zu-Footprint-Name-Wörterbuch:

read_kicad_bom.py

from bs4 import BeautifulSoup

def extract_footprints_by_ref_from_xml(filename):
    footprints_by_ref = {} # e.g. "C3" => "Capacitor_SMD:C_0603_1608Metric"

    with open(filename, "r") as infile:
        soup = BeautifulSoup(infile, features="xml")

    for component in soup.export.components.findChildren("comp"):
        refdes = component.attrs["ref"]
        footprints_by_ref[refdes] = component.footprint.text

    return footprints_by_ref

from bs4 import BeautifulSoup

def extract_footprints_by_ref_from_xml(filename):
    footprints_by_ref = {} # e.g. "C3" => "Capacitor_SMD:C_0603_1608Metric"

    with open(filename, "r") as infile:
        soup = BeautifulSoup(infile, features="xml")

    for component in soup.export.components.findChildren("comp"):
        refdes = component.attrs["ref"]
        footprints_by_ref[refdes] = component.footprint.text

    return footprints_by_ref

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