cnc-controller/autofill_schem.py

288 lines
9.6 KiB
Python

#!/usr/bin/env python3
# TODO: make sure it also works in python2
# version 0.0.2
# updates:
# - allow multiple input files, using the later ones only for component footprint
# and distributor
# - fix code so it works with Kicad 5
import argparse
import itertools
DISTRIBUTOR_VALUES = ["\"Digikey\""]
class Component(object):
def __init__(self, start):
self.designator = None
self.value = None
self.footprint = None
self.footprint_row = None
# distributor ids, mapped to (line_num, value, all fields
# (to make reconstruction easier)
self.distributors = dict()
self.cls = None
self.last_value = None
self.num_fields = 0
# used mainly for parser debugging
self.start = start
class DistributorData(object):
def __init__(self, id):
self.id = id
def quotesplit(line):
parts = line.split(" ")
ret = []
num_quotes = 0
incomplete_part = None
for part in parts:
num_quotes += len([None for c in part if c == '"'])
if num_quotes % 2 == 1:
if incomplete_part is None:
# just started a quoted section
incomplete_part = part
else:
incomplete_part += " " + part
else:
if incomplete_part is not None:
# ending quote is in this part
ret.append(incomplete_part + " " + part)
incomplete_part = None
else:
# normal case; pass through
ret.append(part)
return ret
def parse_lines(f):
lines = []
components = []
component_start = False
component = None
for i, line in enumerate(f):
if component_start:
if line.startswith("L"):
parts = quotesplit(line)
component.designator = parts[2].rstrip()
component.cls = "".join(itertools.takewhile(lambda c: c.isalpha() or c == '#', component.designator))
elif line.startswith("F"):
parts = quotesplit(line)
component.num_fields += 1
component.last_value = i
if parts[1].isdigit():
field_type = int(parts[1])
if field_type == 1:
component.value = parts[2]
elif field_type == 2:
component.footprint_row = (i, parts)
if len(parts[2]) > 2:
component.footprint = parts[2]
elif field_type > 3:
# TODO: make case insensitive
if parts[-1][:-1] in DISTRIBUTOR_VALUES:
component.distributors[parts[-1][:-1]] = DistributorData(parts[2])
elif line.startswith("$EndComp"):
component_start = False
# ignore power nodes
if component.cls[0] != "#":
components.append(component)
if line.startswith("$Comp"):
component_start = True
component = Component(i)
lines.append(line)
return (lines, components)
def infer_components(components):
# dictionaries in dictionaries:
# distributor = (distributor_type, id) so that non-unique ids can be captured
# filled_values[cls][value] = [(footprint, [designators], [distributors])]
filled_values = dict()
# first pass to infer footprints and distributors, second pass to fill in details
for c in components:
if c.cls is None or len(c.cls) == 0:
print("Component at {} incorrectly parsed; no cls set".format(c.start))
else:
if c.cls not in filled_values:
filled_values[c.cls] = dict()
if c.value is not None and len(c.value) > 2:
if c.value not in filled_values[c.cls]:
filled_values[c.cls][c.value] = []
if c.footprint is not None and len(c.footprint) > 2:
# print(c.designator, c.value, c.footprint, c.distributors)
tosearch = filled_values[c.cls][c.value]
# find element with matching footprint
found = None
for i, fp in enumerate(tosearch):
if fp[0] == c.footprint:
found = i
break
if found is None:
distributors = []
for dist in c.distributors:
if len(c.distributors[dist].id) > 2 and len(dist) > 2:
distributors.append((dist, c.distributors[dist].id))
tosearch.append((c.footprint, [c.designator], distributors))
else:
tosearch[i][1].append(c.designator)
# append any new distributors
for dist in c.distributors:
if len(c.distributors[dist].id) > 2 and len(dist) > 2:
if not any([dist == m[0] and c.distributors[dist].id == m[1]
for m in tosearch[i][2]]):
tosearch[i][2].append((dist, c.distributors[dist].id))
return filled_values
def main():
parser = argparse.ArgumentParser(description="Autofills components in an Eeschema schematic")
parser.add_argument("-i", "--include", action="append", help="additional files to read in, for component inference")
parser.add_argument("input", help="file to autofill")
parser.add_argument("output", help="file to write autofilled schematic to")
args = parser.parse_args()
lines = None
components = None
with open(args.input, 'r') as f:
(lines, components) = parse_lines(f)
print("{} lines".format(len(lines)))
print("found {} components".format(len(components)))
without_footprints = len([None for c in components if c.footprint is None])
print("found {} components without footprints".format(without_footprints))
all_components = []
all_components.extend(components)
if args.include is not None:
print("searching additional files: {}".format(" ".join(args.include)))
for filename in args.include:
with open(filename, 'r') as f:
(more_lines, more_components) = parse_lines(f)
print("{} more lines".format(len(more_lines)))
print("found {} more components".format(len(more_components)))
more_without_footprints = len([None for c in more_components if c.footprint is None])
print("found {} more components without footprints".format(more_without_footprints))
all_components.extend(more_components)
filled_values = infer_components(all_components)
entry_count = 0
conflicts = []
for cls in filled_values:
for val in filled_values[cls]:
for _ in filled_values[cls][val]:
# TODO: check for conflicts
entry_count += 1
print("found {} filled unique component classes".format(entry_count))
# TODO: allow interactive distributor choice to resolve conflicts
while len(conflicts) > 0:
print("found conflicting information, cannot autofill")
for conflict in conflicts:
pass
return
# autofill
autofill_fp = 0
autofill_dist = 0
to_append = []
for c in components:
if c.cls in filled_values:
if c.value in filled_values[c.cls]:
matches = []
if c.footprint is not None:
matches = [t for t in filled_values[c.cls][c.value] if t[0] == c.footprint]
else:
matches = filled_values[c.cls][c.value]
if len(matches) == 1:
# autofill
match = matches[0]
if ((c.footprint is None or len(c.footprint) <= 2) and
c.footprint_row is not None):
print("matched {} {} with {}".format(c.designator, c.value, match))
# rewrite footprint
c.footprint = match[0]
row = c.footprint_row[1]
row[2] = match[0]
lines[c.footprint_row[0]] = " ".join(row)
autofill_fp += 1
# add in distributors
dist_added = 0
for dist in match[2]:
if dist[0] not in c.distributors:
c.distributors[dist[0]] = DistributorData(dist[1])
# append to the field list
template_row = quotesplit(lines[c.last_value][:-1])
row = [
template_row[0],
str(c.num_fields),
dist[1]] + template_row[3:11] + [dist[0] + "\n"]
c.num_fields += 1
to_append.append((c.last_value, row))
dist_added += 1
# mark as something to do, because appending now would
# cause the row numbers to shift for all the components after this one,
# invalidating their indices
if dist_added > 0:
autofill_dist += 1
# print(c.designator, c.value, c.footprint, c.distributors)
for ta in reversed(to_append):
idx = ta[0]
row = ta[1]
lines = lines[0:idx+1] + [" ".join(row)] + lines[idx+1:]
print("autofilled {} fp, {} dist".format(autofill_fp, autofill_dist))
# dictionary of dictionaries of components without footprints
# missing[cls][value] = [designators]
missing = dict()
for c in components:
if c.cls is not None:
if c.cls not in missing:
missing[c.cls] = dict()
if c.value is not None and c.footprint is None:
if c.value not in missing[c.cls]:
missing[c.cls][c.value] = []
missing[c.cls][c.value].append(c.designator)
for cls in missing:
for value in missing[cls]:
print("NOTE: no unique footprint found for {} {}".format(value, missing[cls][value]))
# repeat for manufacturer info
missing = dict()
for c in components:
if c.cls is not None:
if c.cls not in missing:
missing[c.cls] = dict()
if c.value is not None and c.value != "\"DNP\"" and not bool(c.distributors):
if c.value not in missing[c.cls]:
missing[c.cls][c.value] = []
missing[c.cls][c.value].append(c.designator)
for cls in missing:
for value in missing[cls]:
print("NOTE: no distributor data found for {} {}".format(value, missing[cls][value]))
output = args.output or args.input
print("outputting to {}...".format(output))
with open(output, "w+") as f:
for line in lines:
f.write(line)
if __name__ == "__main__":
main()