clean up and avoid setting a copy warnings
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ae000e449c
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@ -11,6 +11,7 @@ parser = argparse.ArgumentParser()
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parser.add_argument("input", nargs="?", default=None)
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args = parser.parse_args()
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def mlcc_code2specs(code):
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specs = {}
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code = code.lower()
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@ -21,9 +22,30 @@ def mlcc_code2specs(code):
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specs["tolerance"] = 0
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else:
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# type 2
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specs["temperature_min"] = {"x": -55, "y": -30, "z": +10}[code[0]]
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specs["temperature_max"] = {2: +45, 4: +65, 5: +85, 6: +105, 7: +125}[int(code[1])]
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specs["tolerance"] = {"d":0.033, "e":0.047, "f":0.075, "p":0.10, "r":0.15, "s":0.22, "t":0.33, "u":0.56, "v":0.82}[code[2]]
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specs["temperature_min"] = {
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"x": -55,
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"y": -30,
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"z": +10,
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}[code[0]]
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specs["temperature_max"] = {
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2: +45,
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4: +65,
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5: +85,
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6: +105,
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7: +125,
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}[int(code[1])]
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specs["tolerance"] = {
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"d": 0.033,
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"e": 0.047,
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"f": 0.075,
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"p": 0.10,
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"r": 0.15,
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"s": 0.22,
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"t": 0.33,
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"u": 0.56,
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"v": 0.82,
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}[code[2]]
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footprints = {
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"0402": (2, ["0402", "R0402", "C0402"]),
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@ -37,47 +59,67 @@ footprints = {
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# TODO: remove hardcoded csv
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args.input = "/home/brendan/Documents/tempsync/projects/0034_UniversalController/jlcparts.csv"
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args.input = (
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"/home/brendan/Documents/tempsync/projects/0034_UniversalController/jlcparts.csv"
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)
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if args.input:
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parts_csv = pd.read_csv(args.input, encoding_errors="replace", delimiter=",", index_col=False)
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parts_csv = pd.read_csv(
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args.input, encoding_errors="replace", delimiter=",", index_col=False
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)
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else:
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raise NotImplementedError()
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logger.info("Parsing JLCPCB stock...")
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stock = parts_csv[parts_csv["Stock"]>0]
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stock = parts_csv[parts_csv["Stock"] > 0]
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# NOTES:
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# - if something has tolerance specified as absolute, "Value" may be wrong but "Tolerance" will be NA so it will be dropped
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# resistors
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resistors = stock[stock["First Category"] == "Resistors"]
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resistors.loc[:, "Value"] = resistors["Description"].str.extract(r"(\d+(\.\d+)?)<29><>").astype(float).iloc[:,0]
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resistors.loc[:, "Tolerance"] = resistors["Description"].str.extract(r"(\d+)%").astype(float) / 100
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resistors.loc[:, "TempCoef"] = resistors["Description"].str.extract(r"(\d+)ppm/<2F><>").astype(float) / 1e6
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resistors = stock[stock["First Category"] == "Resistors"].copy()
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resistors["Value"] = (
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resistors["Description"].str.extract(r"(\d+(\.\d+)?)<29><>").astype(float).iloc[:, 0]
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)
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resistors["Tolerance"] = (
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resistors["Description"].str.extract(r"(\d+)%").astype(float) / 100
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)
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resistors["TempCoef"] = (
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resistors["Description"].str.extract(r"(\d+)ppm/<2F><>").astype(float) / 1e6
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)
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power_frac = resistors["Description"].str.extract(r"(\d+)/(\d+)W").astype(float)
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power_frac = power_frac.iloc[:,0] / power_frac.iloc[:,1]
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power_dec = resistors["Description"].str.extract(r"(\d+(\.\d+))W").astype(float).iloc[:,0]
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power_frac = power_frac.iloc[:, 0] / power_frac.iloc[:, 1]
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power_dec = (
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resistors["Description"].str.extract(r"(\d+(\.\d+))W").astype(float).iloc[:, 0]
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)
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power = power_frac.add(power_dec, fill_value=0)
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power[power_frac.notnull() & power_dec.notnull()] = pd.NA
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resistors.loc[:, "Power"] = power
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resistors.loc[:, "Footprint"] = pd.NA
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for fp, (pins, name) in footprints.items():
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resistors["Power"] = power
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resistors["Footprint"] = pd.NA
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for fp, (pins, names) in footprints.items():
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matches = False
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for n in name:
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matches = matches | (resistors["Package"] == n)
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for name in names:
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matches = matches | (resistors["Package"] == name)
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matches = matches & (resistors["Solder Joint"] == pins)
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resistors["Footprint"][matches] = fp
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resistors.loc[matches, "Footprint"] = fp
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# resistors.drop("Package", inplace=True)
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resistors.dropna(inplace=True)
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print(len(resistors))
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# capacitors
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capacitors = stock[stock["First Category"] == "Capacitors"]
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capacitors = stock[stock["First Category"] == "Capacitors"].copy()
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value = capacitors["Description"].str.extract(r"(\d+(\.\d+)?)([pnum]?)F")
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value = value.iloc[:,0].astype(float) * value.iloc[:,2].replace(["p", "n", "u", "m", ""], [1e-12, 1e-9, 1e-6, 1e-3, 1]).astype(float)
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capacitors.loc[:, "Value"] = value
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capacitors.loc[:, "Tolerance"] = capacitors["Description"].str.extract(r"(\d+)%").astype(float) / 100
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capacitors.loc[:, "Voltage"] = capacitors["Description"].str.extract(r"(\d+(\.\d+)?)V").astype(float).iloc[:,0]
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value = value.iloc[:, 0].astype(float) * value.iloc[:, 2].replace(
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["p", "n", "u", "m", ""], [1e-12, 1e-9, 1e-6, 1e-3, 1]
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).astype(float)
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capacitors["Value"] = value
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capacitors["Tolerance"] = (
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capacitors["Description"].str.extract(r"(\d+)%").astype(float) / 100
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)
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capacitors["Voltage"] = (
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capacitors["Description"].str.extract(r"(\d+(\.\d+)?)V").astype(float).iloc[:, 0]
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)
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# TODO: "MLCC"/"Tantalum"
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code_np0 = capacitors["Description"].str.contains(r"NP0")
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code_t1 = capacitors["Description"].str.extract(r"([CBLAMPRSTVU][01234678][GHJKLMN])")
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@ -92,9 +134,9 @@ for fp, (pins, name) in footprints.items():
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for n in name:
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matches = matches | (capacitors["Package"] == n)
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matches = matches & (capacitors["Solder Joint"] == pins)
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capacitors["Footprint"][matches] = fp
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capacitors.loc[matches, "Footprint"] = fp
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# capacitors.drop("Package", inplace=True)
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capacitors.dropna(inplace=True)
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print(len(capacitors))
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pass
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