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schematicexport.py
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schematicexport.py
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"""Module for exporting LCSC data to schematic."""
import logging
import os
import os.path
import re
from pcbnew import GetBuildVersion # pylint: disable=import-error
from .helpers import is_version6, is_version7, is_version8
class SchematicExport:
"""A class to export Schematic files."""
# This only works with KiCad v6/v7/v8 files, if the format changes, this will probably break
def __init__(self, parent):
self.logger = logging.getLogger(__name__)
self.parent = parent
def load_schematic(self, paths):
"""Load schematic file."""
if is_version8(GetBuildVersion()):
self.logger.info("Kicad 8+...")
for path in paths:
self._update_schematic8(path)
elif is_version7(GetBuildVersion()):
self.logger.info("Kicad 7...")
for path in paths:
self._update_schematic7(path)
elif is_version6(GetBuildVersion()):
self.logger.info("Kicad 6...")
for path in paths:
self._update_schematic(path)
def _update_schematic(self, path):
"""Only works with KiCad V6 files."""
self.logger.info("Reading %s...", path)
# Regex to look through schematic property, if we hit the pin section without finding a LCSC property, add it
# keep track of property ids and Reference property location to use with new LCSC property
propRx = re.compile(
'\\(property\\s\\"(.*)\\"\\s\\"(.*)\\"\\s\\(id\\s(\\d+)\\)\\s\\(at\\s(-?\\d+(?:.\\d+)?\\s-?\\d+(?:.\\d+)?)\\s\\d+\\)'
)
pinRx = re.compile('\\(pin\\s\\"(.*)\\"\\s\\(')
store_parts = self.parent.store.read_all()
lastID = -1
lastLoc = ""
lastLcsc = ""
newLcsc = ""
lastRef = ""
lines = []
newlines = []
with open(path, encoding="utf-8") as f:
lines = f.readlines()
if os.path.exists(path + "_old"):
os.remove(path + "_old")
os.rename(path, path + "_old")
partSection = False
for line in lines:
inLine = line.rstrip()
outLine = inLine
if "(symbol (lib_id" in inLine: # skip library section
partSection = True
m = propRx.search(inLine)
if m and partSection:
key = m.group(1)
value = m.group(2)
lastID = int(m.group(3))
# found a LCSC property, so update it if needed
if key == "LCSC":
lastLcsc = value
if newLcsc not in (lastLcsc, ""):
self.logger.info("Updating %s on %s", newLcsc, lastRef)
outLine = outLine.replace(
'"' + lastLcsc + '"', '"' + newLcsc + '"'
)
lastLcsc = newLcsc
if key == "Reference":
lastLoc = m.group(4)
lastRef = value
for part in store_parts:
if value == part["reference"]:
newLcsc = part["lcsc"]
break
# if we hit the pin section without finding a LCSC property, add it
m = pinRx.search(inLine)
if m:
if lastLcsc == "" and newLcsc != "" and lastLoc != "" and lastID != -1:
self.logger.info("added %s to %s", newLcsc, lastRef)
newTxt = f' (property "LCSC" "{newLcsc}" (id {lastID + 1}) (at {lastLoc} 0)'
newlines.append(newTxt)
newlines.append(" (effects (font (size 1.27 1.27)) hide)")
newlines.append(" )")
lastID = -1
lastLoc = ""
lastLcsc = ""
newLcsc = ""
lastRef = ""
newlines.append(outLine)
with open(path, "w", encoding="utf-8") as f:
for line in newlines:
f.write(line + "\n")
self.logger.info("Added LCSC's to %s(maybe?)", path)
def _update_schematic7(self, path):
"""Only works with KiCad V7 files."""
self.logger.info("Reading %s...", path)
# Regex to look through schematic property, if we hit the pin section without finding a LCSC property, add it
# keep track of property ids and Reference property location to use with new LCSC property
propRx = re.compile(
'\\(property\\s\\"(.*)\\"\\s\\"(.*)\\"\\s\\(at\\s(-?\\d+(?:.\\d+)?\\s-?\\d+(?:.\\d+)?)\\s\\d+\\)'
)
pinRx = re.compile('\\(pin\\s\\"(.*)\\"\\s\\(')
store_parts = self.parent.store.read_all()
lastLoc = ""
lastLcsc = ""
newLcsc = ""
lastRef = ""
lines = []
newlines = []
with open(path, encoding="utf-8") as f:
lines = f.readlines()
if os.path.exists(path + "_old"):
os.remove(path + "_old")
os.rename(path, path + "_old")
partSection = False
for line in lines:
inLine = line.rstrip()
outLine = inLine
if "(symbol (lib_id" in inLine: # skip library section
partSection = True
m = propRx.search(inLine)
if m and partSection:
key = m.group(1)
value = m.group(2)
# found a LCSC property, so update it if needed
if key == "LCSC":
lastLcsc = value
if newLcsc not in (lastLcsc, ""):
self.logger.info("Updating %s on %s", newLcsc, lastRef)
outLine = outLine.replace(
'"' + lastLcsc + '"', '"' + newLcsc + '"'
)
lastLcsc = newLcsc
if key == "Reference":
lastLoc = m.group(3)
lastRef = value
for part in store_parts:
if value == part["reference"]:
newLcsc = part["lcsc"]
break
# if we hit the pin section without finding a LCSC property, add it
m = pinRx.search(inLine)
if m:
if lastLcsc == "" and newLcsc != "" and lastLoc != "":
self.logger.info("added %s to %s", newLcsc, lastRef)
newTxt = f' (property "LCSC" "{newLcsc}" (at {lastLoc} 0)'
newlines.append(newTxt)
newlines.append(" (effects (font (size 1.27 1.27)) hide)")
newlines.append(" )")
lastLoc = ""
lastLcsc = ""
newLcsc = ""
lastRef = ""
newlines.append(outLine)
with open(path, "w", encoding="utf-8") as f:
for line in newlines:
f.write(line + "\n")
self.logger.info("Added LCSC's to %s (maybe?)", path)
def _update_schematic8(self, path):
"""Only works with KiCad V8 files."""
self.logger.info("Reading %s...", path)
# Regex to look through schematic property, if we hit the pin section without finding a LCSC property, add it
# keep track of property ids and Reference property location to use with new LCSC property
propRx = re.compile('\\(property\\s\\"(.*)\\"\\s"(.*)\\"')
atRx = re.compile("\\(at\\s(-?\\d+(?:.\\d+)?\\s-?\\d+(?:.\\d+)?)\\s\\d+\\)")
pinRx = re.compile('\\(pin\\s\\"(.*)\\"')
store_parts = self.parent.store.read_all()
lastLoc = ""
lastLcsc = ""
newLcsc = ""
lastRef = ""
lines = []
newlines = []
with open(path, encoding="utf-8") as f:
lines = f.readlines()
partSection = False
files_seen = set() # keeps sheet files already processed.
for i in range(0, len(lines) - 1):
inLine = lines[i].rstrip()
inLine2 = lines[i + 1].rstrip()
outLine = inLine
if "(symbol" in inLine and "(lib_id" in inLine2: # skip library section
partSection = True
# self.logger.info("line %d", i)
m = propRx.search(inLine)
m2 = atRx.search(inLine2)
if m and m2 and partSection:
key = m.group(1)
# self.logger.info("key %s", key)
# found a LCSC property, so update it if needed
if key in {"LCSC", "LCSC_PN", "JLC_PN"}:
value = m.group(2)
lastLcsc = value
if newLcsc not in (lastLcsc, ""):
self.logger.info(
"Updating %s on %s in %s", newLcsc, lastRef, path
)
outLine = outLine.replace(
'"' + lastLcsc + '"', '"' + newLcsc + '"'
)
lastLcsc = newLcsc
if key == "Reference":
lastLoc = m2.group(1)
value = m.group(2)
# self.logger.info("value %s", value)
lastRef = value
for part in store_parts:
if value == part["reference"]:
newLcsc = part["lcsc"]
break
if key == "Sheetfile":
file_name = m.group(2)
if file_name not in files_seen:
files_seen.add(file_name)
dir_name = os.path.dirname(path)
self._update_schematic8(os.path.join(dir_name, file_name))
# if we hit the pin section without finding a LCSC property, add it
m3 = pinRx.search(inLine)
if m3 and partSection:
if lastLcsc == "" and newLcsc != "" and lastLoc != "":
self.logger.info("added %s to %s", newLcsc, lastRef)
newTxt = f'\t\t(property "LCSC" "{newLcsc}"\n\t\t\t(at {lastLoc} 0)'
newlines.append(newTxt)
newlines.append(
"\t\t\t(effects\n\t\t\t\t(font\n\t\t\t\t\t(size 1.27 1.27)\n\t\t\t\t)\n\t\t\t\t(hide yes)"
)
newlines.append("\t\t\t)")
newlines.append("\t\t)")
lastLoc = ""
lastLcsc = ""
newLcsc = ""
lastRef = ""
newlines.append(outLine)
newlines.append(lines[len(lines) - 1].rstrip())
if os.path.exists(path + "_old"):
os.remove(path + "_old")
os.rename(path, path + "_old")
with open(path, "w", encoding="utf-8") as f:
for line in newlines:
f.write(line + "\n")
self.logger.info("Added LCSC's to %s (maybe?)", path)