788 lines
26 KiB
Python
788 lines
26 KiB
Python
#
|
|
# KiCad python module for interpreting generic netlists which can be used
|
|
# to generate Bills of materials, etc.
|
|
#
|
|
# Remember these files use UTF8 encoding
|
|
#
|
|
# No string formatting is used on purpose as the only string formatting that
|
|
# is current compatible with python 2.4+ to 3.0+ is the '%' method, and that
|
|
# is due to be deprecated in 3.0+ soon
|
|
#
|
|
|
|
"""
|
|
@package
|
|
Helper module for interpreting generic netlist and build custom
|
|
bom generators or netlists in foreign format
|
|
"""
|
|
|
|
|
|
from __future__ import print_function
|
|
import sys
|
|
import xml.sax as sax
|
|
import re
|
|
import pdb
|
|
import string
|
|
|
|
#-----<Configure>----------------------------------------------------------------
|
|
|
|
# excluded_fields is a list of regular expressions. If any one matches a field
|
|
# from either a component or a libpart, then that will not be included as a
|
|
# column in the BOM. Otherwise all columns from all used libparts and components
|
|
# will be unionized and will appear. Some fields are impossible to blacklist, such
|
|
# as Ref, Value, Footprint, and Datasheet. Additionally Qty and Item are supplied
|
|
# unconditionally as columns, and may not be removed.
|
|
excluded_fields = [
|
|
#'Price@1000'
|
|
]
|
|
|
|
|
|
# You may exlude components from the BOM by either:
|
|
#
|
|
# 1) adding a custom field named "Installed" to your components and filling it
|
|
# with a value of "NU" (Normally Uninstalled).
|
|
# See netlist.getInterestingComponents(), or
|
|
#
|
|
# 2) blacklisting it in any of the three following lists:
|
|
|
|
|
|
# regular expressions which match component 'Reference' fields of components that
|
|
# are to be excluded from the BOM.
|
|
excluded_references = [
|
|
'TP[0-9]+' # all test points
|
|
]
|
|
|
|
|
|
# regular expressions which match component 'Value' fields of components that
|
|
# are to be excluded from the BOM.
|
|
excluded_values = [
|
|
'MOUNTHOLE',
|
|
'SCOPETEST',
|
|
'MOUNT_HOLE',
|
|
'SOLDER_BRIDGE.*'
|
|
]
|
|
|
|
|
|
# regular expressions which match component 'Footprint' fields of components that
|
|
# are to be excluded from the BOM.
|
|
excluded_footprints = [
|
|
#'MOUNTHOLE'
|
|
]
|
|
|
|
#-----</Configure>---------------------------------------------------------------
|
|
|
|
|
|
class xmlElement():
|
|
"""xml element which can represent all nodes of the netlist tree. It can be
|
|
used to easily generate various output formats by propogating format
|
|
requests to children recursively.
|
|
"""
|
|
def __init__(self, name, parent=None):
|
|
self.name = name
|
|
self.attributes = {}
|
|
self.parent = parent
|
|
self.chars = ""
|
|
self.children = []
|
|
|
|
def __str__(self):
|
|
"""String representation of this netlist element
|
|
|
|
"""
|
|
return self.name + "[" + self.chars + "]" + " attr_count:" + str(len(self.attributes))
|
|
|
|
def formatXML(self, nestLevel=0, amChild=False):
|
|
"""Return this element formatted as XML
|
|
|
|
Keywords:
|
|
nestLevel -- increases by one for each level of nesting.
|
|
amChild -- If set to True, the start of document is not returned.
|
|
|
|
"""
|
|
s = ""
|
|
|
|
indent = ""
|
|
for i in range(nestLevel):
|
|
indent += " "
|
|
|
|
if not amChild:
|
|
s = "<?xml version=\"1.0\" encoding=\"utf-8\"?>\n"
|
|
|
|
s += indent + "<" + self.name
|
|
for a in self.attributes:
|
|
s += " " + a + "=\"" + self.attributes[a] + "\""
|
|
|
|
if (len(self.chars) == 0) and (len(self.children) == 0):
|
|
s += "/>"
|
|
else:
|
|
s += ">" + self.chars
|
|
|
|
for c in self.children:
|
|
s += "\n"
|
|
s += c.formatXML(nestLevel+1, True)
|
|
|
|
if (len(self.children) > 0):
|
|
s += "\n" + indent
|
|
|
|
if (len(self.children) > 0) or (len(self.chars) > 0):
|
|
s += "</" + self.name + ">"
|
|
|
|
return s
|
|
|
|
def formatHTML(self, amChild=False):
|
|
"""Return this element formatted as HTML
|
|
|
|
Keywords:
|
|
amChild -- If set to True, the start of document is not returned
|
|
|
|
"""
|
|
s = ""
|
|
|
|
if not amChild:
|
|
s = """<!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></title>
|
|
</head>
|
|
<body>
|
|
<table>
|
|
"""
|
|
|
|
s += "<tr><td><b>" + self.name + "</b><br>" + self.chars + "</td><td><ul>"
|
|
for a in self.attributes:
|
|
s += "<li>" + a + " = " + self.attributes[a] + "</li>"
|
|
|
|
s += "</ul></td></tr>\n"
|
|
|
|
for c in self.children:
|
|
s += c.formatHTML(True)
|
|
|
|
if not amChild:
|
|
s += """</table>
|
|
</body>
|
|
</html>"""
|
|
|
|
return s
|
|
|
|
def addAttribute(self, attr, value):
|
|
"""Add an attribute to this element"""
|
|
if type(value) != str: value = value.encode('utf-8')
|
|
self.attributes[attr] = value
|
|
|
|
def setAttribute(self, attr, value):
|
|
"""Set an attributes value - in fact does the same thing as add
|
|
attribute
|
|
|
|
"""
|
|
self.attributes[attr] = value
|
|
|
|
def setChars(self, chars):
|
|
"""Set the characters for this element"""
|
|
self.chars = chars
|
|
|
|
def addChars(self, chars):
|
|
"""Add characters (textual value) to this element"""
|
|
self.chars += chars
|
|
|
|
def addChild(self, child):
|
|
"""Add a child element to this element"""
|
|
self.children.append(child)
|
|
return self.children[len(self.children) - 1]
|
|
|
|
def getParent(self):
|
|
"""Get the parent of this element (Could be None)"""
|
|
return self.parent
|
|
|
|
def getChild(self, name):
|
|
"""Returns the first child element named 'name'
|
|
|
|
Keywords:
|
|
name -- The name of the child element to return"""
|
|
for child in self.children:
|
|
if child.name == name:
|
|
return child
|
|
return None
|
|
|
|
def getChildren(self, name=None):
|
|
if name:
|
|
# return _all_ children named "name"
|
|
ret = []
|
|
for child in self.children:
|
|
if child.name == name:
|
|
ret.append(child)
|
|
return ret
|
|
else:
|
|
return self.children
|
|
|
|
def get(self, elemName, attribute="", attrmatch=""):
|
|
"""Return the text data for either an attribute or an xmlElement
|
|
"""
|
|
if (self.name == elemName):
|
|
if attribute != "":
|
|
try:
|
|
if attrmatch != "":
|
|
if self.attributes[attribute] == attrmatch:
|
|
ret = self.chars
|
|
if type(ret) != str: ret = ret.encode('utf-8')
|
|
return ret
|
|
else:
|
|
ret = self.attributes[attribute]
|
|
if type(ret) != str: ret = ret.encode('utf-8')
|
|
return ret
|
|
except AttributeError:
|
|
ret = ""
|
|
if type(ret) != str: ret = ret.encode('utf-8')
|
|
return ret
|
|
else:
|
|
ret = self.chars
|
|
if type(ret) != str: ret = ret.encode('utf-8')
|
|
return ret
|
|
|
|
for child in self.children:
|
|
ret = child.get(elemName, attribute, attrmatch)
|
|
if ret != "":
|
|
if type(ret) != str: ret = ret.encode('utf-8')
|
|
return ret
|
|
|
|
ret = ""
|
|
if type(ret) != str: ret = ret.encode('utf-8')
|
|
return ret
|
|
|
|
|
|
|
|
class libpart():
|
|
"""Class for a library part, aka 'libpart' in the xml netlist file.
|
|
(Components in eeschema are instantiated from library parts.)
|
|
This part class is implemented by wrapping an xmlElement with accessors.
|
|
This xmlElement instance is held in field 'element'.
|
|
"""
|
|
def __init__(self, xml_element):
|
|
#
|
|
self.element = xml_element
|
|
|
|
#def __str__(self):
|
|
# simply print the xmlElement associated with this part
|
|
#return str(self.element)
|
|
|
|
def getLibName(self):
|
|
return self.element.get("libpart", "lib")
|
|
|
|
def getPartName(self):
|
|
return self.element.get("libpart", "part")
|
|
|
|
def getDescription(self):
|
|
return self.element.get("description")
|
|
|
|
def getField(self, name):
|
|
return self.element.get("field", "name", name)
|
|
|
|
def getFieldNames(self):
|
|
"""Return a list of field names in play for this libpart.
|
|
"""
|
|
fieldNames = []
|
|
fields = self.element.getChild('fields')
|
|
if fields:
|
|
for f in fields.getChildren():
|
|
fieldNames.append( f.get('field','name') )
|
|
return fieldNames
|
|
|
|
def getDatasheet(self):
|
|
return self.getField("Datasheet")
|
|
|
|
def getFootprint(self):
|
|
return self.getField("Footprint")
|
|
|
|
def getAliases(self):
|
|
"""Return a list of aliases or None"""
|
|
aliases = self.element.getChild("aliases")
|
|
if aliases:
|
|
ret = []
|
|
children = aliases.getChildren()
|
|
# grab the text out of each child:
|
|
for child in children:
|
|
ret.append( child.get("alias") )
|
|
return ret
|
|
return None
|
|
|
|
|
|
class comp():
|
|
"""Class for a component, aka 'comp' in the xml netlist file.
|
|
This component class is implemented by wrapping an xmlElement instance
|
|
with accessors. The xmlElement is held in field 'element'.
|
|
"""
|
|
|
|
def __init__(self, xml_element):
|
|
self.element = xml_element
|
|
self.libpart = None
|
|
|
|
# Set to true when this component is included in a component group
|
|
self.grouped = False
|
|
|
|
def __eq__(self, other):
|
|
""" Equivalency operator, remember this can be easily overloaded
|
|
2 components are equivalent ( i.e. can be grouped
|
|
if they have same value and same footprint
|
|
|
|
Override the component equivalence operator must be done before
|
|
loading the netlist, otherwise all components will have the original
|
|
equivalency operator.
|
|
|
|
You have to define a comparison module (for instance named myEqu)
|
|
and add the line;
|
|
kicad_netlist_reader.comp.__eq__ = myEqu
|
|
in your bom generator script before calling the netliste reader by something like:
|
|
net = kicad_netlist_reader.netlist(sys.argv[1])
|
|
"""
|
|
result = False
|
|
if self.getValue() == other.getValue():
|
|
if self.getFootprint() == other.getFootprint():
|
|
if self.getRef().rstrip(string.digits) == other.getRef().rstrip(string.digits):
|
|
result = True
|
|
return result
|
|
|
|
def setLibPart(self, part):
|
|
self.libpart = part
|
|
|
|
def getLibPart(self):
|
|
return self.libpart
|
|
|
|
def getPartName(self):
|
|
return self.element.get("libsource", "part")
|
|
|
|
def getLibName(self):
|
|
return self.element.get("libsource", "lib")
|
|
|
|
def setValue(self, value):
|
|
"""Set the value of this component"""
|
|
v = self.element.getChild("value")
|
|
if v:
|
|
v.setChars(value)
|
|
|
|
def getValue(self):
|
|
return self.element.get("value")
|
|
|
|
def getField(self, name, libraryToo=True):
|
|
"""Return the value of a field named name. The component is first
|
|
checked for the field, and then the components library part is checked
|
|
for the field. If the field doesn't exist in either, an empty string is
|
|
returned
|
|
|
|
Keywords:
|
|
name -- The name of the field to return the value for
|
|
libraryToo -- look in the libpart's fields for the same name if not found
|
|
in component itself
|
|
"""
|
|
|
|
field = self.element.get("field", "name", name)
|
|
if field == "" and libraryToo and self.libpart:
|
|
field = self.libpart.getField(name)
|
|
return field
|
|
|
|
def getFieldNames(self):
|
|
"""Return a list of field names in play for this component. Mandatory
|
|
fields are not included, and they are: Value, Footprint, Datasheet, Ref.
|
|
The netlist format only includes fields with non-empty values. So if a field
|
|
is empty, it will not be present in the returned list.
|
|
"""
|
|
fieldNames = []
|
|
fields = self.element.getChild('fields')
|
|
if fields:
|
|
for f in fields.getChildren():
|
|
fieldNames.append( f.get('field','name') )
|
|
return fieldNames
|
|
|
|
def getRef(self):
|
|
return self.element.get("comp", "ref")
|
|
|
|
def getFootprint(self, libraryToo=True):
|
|
ret = self.element.get("footprint")
|
|
if ret == "" and libraryToo and self.libpart:
|
|
ret = self.libpart.getFootprint()
|
|
return ret
|
|
|
|
def getDatasheet(self, libraryToo=True):
|
|
ret = self.element.get("datasheet")
|
|
if ret == "" and libraryToo and self.libpart:
|
|
ret = self.libpart.getDatasheet()
|
|
return ret
|
|
|
|
def getTimestamp(self):
|
|
"""
|
|
Kicad 5 uses tstamp keyword for time stamp (8 digits) as UUID
|
|
Kicad 6 uses tstamps keyword for UUID and a multi unit symbol has more than one UUID
|
|
(UUIDs are separed by spaces)
|
|
"""
|
|
ret = self.element.get("tstamp")
|
|
if ret == "":
|
|
ret = self.element.get("tstamps")
|
|
return ret
|
|
|
|
def getDescription(self):
|
|
return self.element.get("libsource", "description")
|
|
|
|
|
|
class netlist():
|
|
""" Kicad generic netlist class. Generally loaded from a kicad generic
|
|
netlist file. Includes several helper functions to ease BOM creating
|
|
scripts
|
|
|
|
"""
|
|
def __init__(self, fname=""):
|
|
"""Initialiser for the genericNetlist class
|
|
|
|
Keywords:
|
|
fname -- The name of the generic netlist file to open (Optional)
|
|
|
|
"""
|
|
self.design = None
|
|
self.components = []
|
|
self.libparts = []
|
|
self.libraries = []
|
|
self.nets = []
|
|
|
|
# The entire tree is loaded into self.tree
|
|
self.tree = []
|
|
|
|
self._curr_element = None
|
|
|
|
# component blacklist regexs, made from exluded_* above.
|
|
self.excluded_references = []
|
|
self.excluded_values = []
|
|
self.excluded_footprints = []
|
|
|
|
if fname != "":
|
|
self.load(fname)
|
|
|
|
def addChars(self, content):
|
|
"""Add characters to the current element"""
|
|
self._curr_element.addChars(content)
|
|
|
|
def addElement(self, name):
|
|
"""Add a new kicad generic element to the list"""
|
|
if self._curr_element == None:
|
|
self.tree = xmlElement(name)
|
|
self._curr_element = self.tree
|
|
else:
|
|
self._curr_element = self._curr_element.addChild(
|
|
xmlElement(name, self._curr_element))
|
|
|
|
# If this element is a component, add it to the components list
|
|
if self._curr_element.name == "comp":
|
|
self.components.append(comp(self._curr_element))
|
|
|
|
# Assign the design element
|
|
if self._curr_element.name == "design":
|
|
self.design = self._curr_element
|
|
|
|
# If this element is a library part, add it to the parts list
|
|
if self._curr_element.name == "libpart":
|
|
self.libparts.append(libpart(self._curr_element))
|
|
|
|
# If this element is a net, add it to the nets list
|
|
if self._curr_element.name == "net":
|
|
self.nets.append(self._curr_element)
|
|
|
|
# If this element is a library, add it to the libraries list
|
|
if self._curr_element.name == "library":
|
|
self.libraries.append(self._curr_element)
|
|
|
|
return self._curr_element
|
|
|
|
def endDocument(self):
|
|
"""Called when the netlist document has been fully parsed"""
|
|
# When the document is complete, the library parts must be linked to
|
|
# the components as they are seperate in the tree so as not to
|
|
# duplicate library part information for every component
|
|
for c in self.components:
|
|
for p in self.libparts:
|
|
if p.getLibName() == c.getLibName():
|
|
if p.getPartName() == c.getPartName():
|
|
c.setLibPart(p)
|
|
break
|
|
else:
|
|
aliases = p.getAliases()
|
|
if aliases and self.aliasMatch( c.getPartName(), aliases ):
|
|
c.setLibPart(p)
|
|
break;
|
|
|
|
if not c.getLibPart():
|
|
print( 'missing libpart for ref:', c.getRef(), c.getPartName(), c.getLibName() )
|
|
|
|
|
|
def aliasMatch(self, partName, aliasList):
|
|
for alias in aliasList:
|
|
if partName == alias:
|
|
return True
|
|
return False
|
|
|
|
def endElement(self):
|
|
"""End the current element and switch to its parent"""
|
|
self._curr_element = self._curr_element.getParent()
|
|
|
|
def getDate(self):
|
|
"""Return the date + time string generated by the tree creation tool"""
|
|
return self.design.get("date")
|
|
|
|
def getSource(self):
|
|
"""Return the source string for the design"""
|
|
return self.design.get("source")
|
|
|
|
def getTool(self):
|
|
"""Return the tool string which was used to create the netlist tree"""
|
|
return self.design.get("tool")
|
|
|
|
def gatherComponentFieldUnion(self, components=None):
|
|
"""Gather the complete 'set' of unique component fields, fields found in any component.
|
|
"""
|
|
if not components:
|
|
components=self.components
|
|
|
|
s = set()
|
|
for c in components:
|
|
s.update( c.getFieldNames() )
|
|
|
|
# omit anything matching any regex in excluded_fields
|
|
ret = set()
|
|
for field in s:
|
|
exclude = False
|
|
for rex in excluded_fields:
|
|
if re.match( rex, field ):
|
|
exclude = True
|
|
break
|
|
if not exclude:
|
|
ret.add(field)
|
|
|
|
return ret # this is a python 'set'
|
|
|
|
def gatherLibPartFieldUnion(self):
|
|
"""Gather the complete 'set' of part fields, fields found in any part.
|
|
"""
|
|
s = set()
|
|
for p in self.libparts:
|
|
s.update( p.getFieldNames() )
|
|
|
|
# omit anything matching any regex in excluded_fields
|
|
ret = set()
|
|
for field in s:
|
|
exclude = False
|
|
for rex in excluded_fields:
|
|
if re.match( rex, field ):
|
|
exclude = True
|
|
break
|
|
if not exclude:
|
|
ret.add(field)
|
|
|
|
return ret # this is a python 'set'
|
|
|
|
def getInterestingComponents(self):
|
|
"""Return a subset of all components, those that should show up in the BOM.
|
|
Omit those that should not, by consulting the blacklists:
|
|
excluded_values, excluded_refs, and excluded_footprints, which hold one
|
|
or more regular expressions. If any of the the regular expressions match
|
|
the corresponding field's value in a component, then the component is exluded.
|
|
"""
|
|
|
|
# pre-compile all the regex expressions:
|
|
del self.excluded_references[:]
|
|
del self.excluded_values[:]
|
|
del self.excluded_footprints[:]
|
|
|
|
for rex in excluded_references:
|
|
self.excluded_references.append( re.compile( rex ) )
|
|
|
|
for rex in excluded_values:
|
|
self.excluded_values.append( re.compile( rex ) )
|
|
|
|
for rex in excluded_footprints:
|
|
self.excluded_footprints.append( re.compile( rex ) )
|
|
|
|
# the subset of components to return, considered as "interesting".
|
|
ret = []
|
|
|
|
# run each component thru a series of tests, if it passes all, then add it
|
|
# to the interesting list 'ret'.
|
|
for c in self.components:
|
|
exclude = False
|
|
if not exclude:
|
|
for refs in self.excluded_references:
|
|
if refs.match(c.getRef()):
|
|
exclude = True
|
|
break;
|
|
if not exclude:
|
|
for vals in self.excluded_values:
|
|
if vals.match(c.getValue()):
|
|
exclude = True
|
|
break;
|
|
if not exclude:
|
|
for mods in self.excluded_footprints:
|
|
if mods.match(c.getFootprint()):
|
|
exclude = True
|
|
break;
|
|
|
|
if not exclude:
|
|
# This is a fairly personal way to flag DNS (Do Not Stuff). NU for
|
|
# me means Normally Uninstalled. You can 'or in' another expression here.
|
|
if c.getField( "Installed" ) == 'NU':
|
|
exclude = True
|
|
|
|
if not exclude:
|
|
ret.append(c)
|
|
|
|
# The key to sort the components in the BOM
|
|
# This sorts using a natural sorting order (e.g. 100 after 99), and if it wasn't used
|
|
# the normal sort would place 100 before 99 since it only would look at the first digit.
|
|
def sortKey( str ):
|
|
return [ int(t) if t.isdigit() else t.lower()
|
|
for t in re.split( '(\d+)', str ) ]
|
|
|
|
ret.sort(key=lambda g: sortKey(g.getRef()))
|
|
|
|
return ret
|
|
|
|
|
|
def groupComponents(self, components = None):
|
|
"""Return a list of component lists. Components are grouped together
|
|
when the value, library and part identifiers match.
|
|
|
|
Keywords:
|
|
components -- is a list of components, typically an interesting subset
|
|
of all components, or None. If None, then all components are looked at.
|
|
"""
|
|
if not components:
|
|
components = self.components
|
|
|
|
groups = []
|
|
|
|
# Make sure to start off will all components ungrouped to begin with
|
|
for c in components:
|
|
c.grouped = False
|
|
|
|
# Group components based on the value, library and part identifiers
|
|
for c in components:
|
|
if c.grouped == False:
|
|
c.grouped = True
|
|
newgroup = []
|
|
newgroup.append(c)
|
|
|
|
# Check every other ungrouped component against this component
|
|
# and add to the group as necessary
|
|
for ci in components:
|
|
if ci.grouped == False and ci == c:
|
|
newgroup.append(ci)
|
|
ci.grouped = True
|
|
|
|
# Add the new component group to the groups list
|
|
groups.append(newgroup)
|
|
|
|
# The key to sort the components in the BOM
|
|
# This sorts using a natural sorting order (e.g. 100 after 99), and if it wasn't used
|
|
# the normal sort would place 100 before 99 since it only would look at the first digit.
|
|
def sortKey( str ):
|
|
return [ int(t) if t.isdigit() else t.lower()
|
|
for t in re.split( '(\d+)', str ) ]
|
|
|
|
for g in groups:
|
|
#g = sorted(g, key=lambda g: sortKey(g.getRef()))
|
|
g.sort(key=lambda g: sortKey(g.getRef()))
|
|
|
|
# Finally, sort the groups to order the references alphabetically
|
|
groups.sort(key=lambda group: sortKey(group[0].getRef()))
|
|
|
|
return groups
|
|
|
|
def getGroupField(self, group, field):
|
|
"""Return the whatever is known about the given field by consulting each
|
|
component in the group. If any of them know something about the property/field,
|
|
then return that first non-blank value.
|
|
"""
|
|
for c in group:
|
|
ret = c.getField(field, False)
|
|
if ret != '':
|
|
return ret
|
|
|
|
libpart = group[0].getLibPart()
|
|
if not libpart:
|
|
return ''
|
|
|
|
return libpart.getField(field)
|
|
|
|
def getGroupFootprint(self, group):
|
|
"""Return the whatever is known about the Footprint by consulting each
|
|
component in the group. If any of them know something about the Footprint,
|
|
then return that first non-blank value.
|
|
"""
|
|
for c in group:
|
|
ret = c.getFootprint()
|
|
if ret != "":
|
|
return ret
|
|
return group[0].getLibPart().getFootprint()
|
|
|
|
def getGroupDatasheet(self, group):
|
|
"""Return the whatever is known about the Datasheet by consulting each
|
|
component in the group. If any of them know something about the Datasheet,
|
|
then return that first non-blank value.
|
|
"""
|
|
for c in group:
|
|
ret = c.getDatasheet()
|
|
if ret != "":
|
|
return ret
|
|
|
|
if len(group) > 0:
|
|
return group[0].getLibPart().getDatasheet()
|
|
else:
|
|
print("NULL!")
|
|
return ''
|
|
|
|
def formatXML(self):
|
|
"""Return the whole netlist formatted in XML"""
|
|
return self.tree.formatXML()
|
|
|
|
def formatHTML(self):
|
|
"""Return the whole netlist formatted in HTML"""
|
|
return self.tree.formatHTML()
|
|
|
|
def load(self, fname):
|
|
"""Load a kicad generic netlist
|
|
|
|
Keywords:
|
|
fname -- The name of the generic netlist file to open
|
|
|
|
"""
|
|
try:
|
|
self._reader = sax.make_parser()
|
|
self._reader.setContentHandler(_gNetReader(self))
|
|
self._reader.parse(fname)
|
|
except IOError as e:
|
|
print( __file__, ":", e, file=sys.stderr )
|
|
sys.exit(-1)
|
|
|
|
|
|
|
|
class _gNetReader(sax.handler.ContentHandler):
|
|
"""SAX kicad generic netlist content handler - passes most of the work back
|
|
to the 'netlist' class which builds a complete tree in RAM for the design
|
|
|
|
"""
|
|
def __init__(self, aParent):
|
|
self.parent = aParent
|
|
|
|
def startElement(self, name, attrs):
|
|
"""Start of a new XML element event"""
|
|
element = self.parent.addElement(name)
|
|
|
|
for name in attrs.getNames():
|
|
element.addAttribute(name, attrs.getValue(name))
|
|
|
|
def endElement(self, name):
|
|
self.parent.endElement()
|
|
|
|
def characters(self, content):
|
|
# Ignore erroneous white space - ignoreableWhitespace does not get rid
|
|
# of the need for this!
|
|
if not content.isspace():
|
|
self.parent.addChars(content)
|
|
|
|
def endDocument(self):
|
|
"""End of the XML document event"""
|
|
self.parent.endDocument()
|