Eeschema: add dialog and utilities to create BOMs from generic netlist

scripts/bom-in-python/bom_html_by_value.py

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+#
+# Example python script to generate a BOM from a KiCad generic netlist
+#
+# Example: Sorted and Grouped HTML BOM with more advanced grouping
+#
+
+# Import the KiCad python helper module and the csv formatter
+import ky_generic_netlist_reader
+import sys
+
+# Start with a basic html template
+html = """
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
+    "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
+<html xmlns="http://www.w3.org/1999/xhtml">
+    <head>
+        <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
+        <title>KiCad BOM Example 5</title>
+    </head>
+    <body>
+    <h1><!--SOURCE--></h1>
+    <p><!--DATE--></p>
+    <p><!--TOOL--></p>
+    <p><!--COMPCOUNT--></p>
+    <table>
+    <!--TABLEROW-->
+    </table>
+    </body>
+</html>
+    """
+
+def myEqu(self, other):
+    """myEqu is a more advanced equivalence function for components which is
+    used by component grouping. Normal operation is to group components based
+    on their Value, Library source, and Library part.
+
+    In this example of a more advanced equivalency operator we also compare the
+    custom fields Voltage, Tolerance and Manufacturer as well as the assigned
+    footprint. If these fields are not used in some parts they will simply be
+    ignored (they will match as both will be empty strings).
+
+    """
+    result = True
+    if self.getValue() != other.getValue():
+        result = False
+    elif self.getLib() != other.getLib():
+        result = False
+    elif self.getPart() != other.getPart():
+        result = False
+    elif self.getFootprint() != other.getFootprint():
+        result = False
+    elif self.getField("Tolerance") != other.getField("Tolerance"):
+        result = False
+    elif self.getField("Manufacturer") != other.getField("Manufacturer"):
+        result = False
+    elif self.getField("Voltage") != other.getField("Voltage"):
+        result = False
+
+    return result
+
+# Override the component equivalence operator - it is important to do this
+# before loading the netlist, otherwise all components will have the original
+# equivalency operator.
+ky_generic_netlist_reader.component.__equ__ = myEqu
+
+# Generate an instance of a generic netlist, and load the netlist tree from
+# video.xml. If the file doesn't exist, execution will stop
+net = ky_generic_netlist_reader.netlist(sys.argv[1])
+
+# Open a file to write too, if the file cannot be opened output to stdout
+# instead
+try:
+    f = open(sys.argv[2], 'w')
+except IOError:
+    print >> sys.stderr, __file__, ":", e
+    f = stdout
+
+# Output a set of rows for a header providing general information
+html = html.replace('<!--SOURCE-->', net.getSource())
+html = html.replace('<!--DATE-->', net.getDate())
+html = html.replace('<!--TOOL-->', net.getTool())
+html = html.replace('<!--COMPCOUNT-->', "<b>Component Count:</b>" + \
+    str(len(net.components)))
+
+row  = "<tr><th style='width:640px'>Ref</th>" + "<th>Qnty</th>"
+row += "<th>Value</th>" + "<th>Part</th>"
+row +=  "<th>Description</th>"
+#row +=  "<th>Datasheet</th>"
+row += "<th>PartNumber</th>" + "<th>Vendor</th></tr>"
+
+html = html.replace('<!--TABLEROW-->', row + "<!--TABLEROW-->")
+
+# Get all of the components in groups of matching parts + values
+# (see ky_generic_netlist_reader.py)
+grouped = net.groupComponents()
+
+# Output all of the component information
+for group in grouped:
+    refs = ""
+
+    # Add the reference of every component in the group and keep a reference
+    # to the component so that the other data can be filled in once per group
+    for component in group:
+        refs += component.getRef() + ", "
+        c = component
+
+    row = "<tr><td>" + refs +"</td><td>" + str(len(group))
+    row += "</td><td>" + c.getValue() + "</td><td>"
+    row += c.getLib() + "/" + c.getPart() + "</td><td>"
+    #row += c.getDatasheet() + "</td><td>"
+    row += c.getDescription() + "</td><td>"
+    row += c.getField("PartNumber") + "</td><td>"
+    row += c.getField("Vendor")
+    row += "</td></tr>"
+
+    html = html.replace('<!--TABLEROW-->', row + "<!--TABLEROW-->")
+
+# Print the formatted html to output file
+print >> f, html