feat: init project by moving these from my gist
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3
README.md
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3
README.md
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# LCR Connector
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在3个元器件内，使用给定元器件数值列表快速找到目标数值元器件的最好拼接方式，支持电阻，电容，电感
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345
main.py
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345
main.py
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import math
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import struct
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import os
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import sys
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OneComponentList = []
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TwoComponentList = []
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ThreeComponentList = []
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ResultList = []
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class OneComponent(object):
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Value1 = 0.0
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Value = 0.0
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def PrintCircuit(self):
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print(OutputAsHuman(self.Value1))
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class TwoComponent(object):
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Value1 = 0.0
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Value2 = 0.0
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IsSeries = True
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Value = 0.0
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def PrintCircuit(self):
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print("[{}] ┬ {}".format('S' if self.IsSeries else 'P', OutputAsHuman(self.Value1)))
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print(" └ {}".format(OutputAsHuman(self.Value2)))
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class ThreeComponent(object):
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Value1 = 0.0
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Value2 = 0.0
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Value3 = 0.0
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IsSeries1 = True
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IsSeries2 = True
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Value = 0.0
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def PrintCircuit(self):
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print("[{}] ┬ [{}] ┬ {}".format('S' if self.IsSeries2 else 'P', 'S' if self.IsSeries1 else 'P', OutputAsHuman(self.Value1)))
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print(" │ └ {}".format(OutputAsHuman(self.Value2)))
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print(" └ {}".format(OutputAsHuman(self.Value3)))
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class ResultStruct(object):
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Subtraction = 0.0
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ComponentCount = 0
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CorrespondingClass = None
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def LoadFromFile(name):
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f = open(name, 'r', encoding = 'utf-8')
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# read file to get one elements state
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while True:
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cache = f.readline()
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if cache == '':
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break
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(status, value) = InputAsHuman(cache.strip())
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if status:
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newobj = None
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newobj = OneComponent()
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newobj.Value = value
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newobj.Value1 = value
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OneComponentList.append(newobj)
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# construct two component list
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length = len(OneComponentList)
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for i_index in range(length):
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for j_index in range(i_index, length):
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i = OneComponentList[i_index]
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j = OneComponentList[j_index]
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# series
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newobj = TwoComponent()
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newobj.Value1 = i.Value
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newobj.Value2 = j.Value
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newobj.IsSeries = True
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newobj.Value = i.Value + j.Value
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TwoComponentList.append(newobj)
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# parallel
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newobj = TwoComponent()
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newobj.Value1 = i.Value
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newobj.Value2 = j.Value
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newobj.IsSeries = False
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newobj.Value = (i.Value * j.Value) / (i.Value + j.Value)
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TwoComponentList.append(newobj)
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# construct three component list
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for i in OneComponentList:
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for j in TwoComponentList:
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# series
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newobj = ThreeComponent()
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newobj.Value1 = j.Value1
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newobj.Value2 = j.Value2
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newobj.Value3 = i.Value
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newobj.IsSeries1 = j.IsSeries
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newobj.IsSeries2 = True
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newobj.Value = j.Value + i.Value
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ThreeComponentList.append(newobj)
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# parallel
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newobj = ThreeComponent()
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newobj.Value1 = j.Value1
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newobj.Value2 = j.Value2
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newobj.Value3 = i.Value
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newobj.IsSeries1 = j.IsSeries
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newobj.IsSeries2 = False
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newobj.Value = (j.Value * i.Value) / (j.Value + i.Value)
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ThreeComponentList.append(newobj)
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f.close()
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SaveAsCache(name)
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def LoadFromCache(name):
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f = open(name + '.cache', 'rb')
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counter = 0
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(counter, ) = struct.unpack("I", f.read(4))
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for i in range(counter):
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newobj = OneComponent()
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newobj.Value1 = ReadDouble(f)
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newobj.Value = ReadDouble(f)
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OneComponentList.append(newobj)
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(counter, ) = struct.unpack("I", f.read(4))
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for i in range(counter):
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newobj = TwoComponent()
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newobj.Value1 = ReadDouble(f)
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newobj.Value2 = ReadDouble(f)
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newobj.IsSeries = ReadBoolean(f)
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newobj.Value = ReadDouble(f)
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TwoComponentList.append(newobj)
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(counter, ) = struct.unpack("I", f.read(4))
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for i in range(counter):
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newobj = ThreeComponent()
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newobj.Value1 = ReadDouble(f)
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newobj.Value2 = ReadDouble(f)
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newobj.Value3 = ReadDouble(f)
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newobj.IsSeries1 = ReadBoolean(f)
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newobj.IsSeries2 = ReadBoolean(f)
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newobj.Value = ReadDouble(f)
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ThreeComponentList.append(newobj)
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f.close()
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def SaveAsCache(name):
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# in cache, is series should follow resistor mode
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f = open(name + '.cache', 'wb')
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WriteInt(f, len(OneComponentList))
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for i in OneComponentList:
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WriteDouble(f, i.Value1)
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WriteDouble(f, i.Value)
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WriteInt(f, len(TwoComponentList))
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for i in TwoComponentList:
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WriteDouble(f, i.Value1)
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WriteDouble(f, i.Value2)
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WriteBoolean(f, i.IsSeries)
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WriteDouble(f, i.Value)
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WriteInt(f, len(ThreeComponentList))
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for i in ThreeComponentList:
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WriteDouble(f, i.Value1)
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WriteDouble(f, i.Value2)
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WriteDouble(f, i.Value3)
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WriteBoolean(f, i.IsSeries1)
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WriteBoolean(f, i.IsSeries2)
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WriteDouble(f, i.Value)
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f.close()
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def ReadDouble(fs):
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return struct.unpack("d", fs.read(8))[0]
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def ReadInt(fs):
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return struct.unpack("I", fs.read(4))[0]
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def ReadBoolean(fs):
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return struct.unpack("?", fs.read(1))[0]
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def WriteDouble(fs, num):
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fs.write(struct.pack("d", num))
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def WriteInt(fs, num):
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fs.write(struct.pack("I", num))
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def WriteBoolean(fs, num):
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fs.write(struct.pack("?", num))
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def OutputAsHuman(v):
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if v / 1e-12 < 1e3:
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return "{:e} n".format(v / 1e-12)
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if v / 1e-9 < 1e3:
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return "{:.4f} p".format(v / 1e-9)
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if v / 1e-6 < 1e3:
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return "{:.4f} u".format(v / 1e-6)
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if v / 1e-3 < 1e3:
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return "{:.4f} m".format(v / 1e-3)
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if v < 1e3:
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return "{:.4f}".format(v)
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if v / 1e3 < 1e3:
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return "{:.4f} k".format(v / 1e3)
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if v / 1e6 < 1e3:
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return "{:.4f} M".format(v / 1e6)
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return "{:e}".format(v)
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def InputAsHuman(strl):
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try:
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if strl.endswith('n'):
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return (True, float(strl[0:-1]) * 1e-12)
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if strl.endswith('p'):
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return (True, float(strl[0:-1]) * 1e-9)
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if strl.endswith('u'):
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return (True, float(strl[0:-1]) * 1e-6)
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if strl.endswith('m'):
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return (True, float(strl[0:-1]) * 1e-3)
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if strl.endswith('k'):
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return (True, float(strl[0:-1]) * 1e3)
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if strl.endswith('M'):
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return (True, float(strl[0:-1]) * 1e6)
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return (True, float(strl))
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except:
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return (False, 0.0)
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def ValidCommandInput(valid_list):
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while True:
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cache = input()
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if cache not in valid_list:
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print('Wrong command, please input again.')
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else:
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return cache
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def ValidNumberInput():
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while True:
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cache = input()
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(status, num) = InputAsHuman(cache)
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if not status:
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print('Wrong number, please input again.')
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else:
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return num
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def DoQuery():
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# get config
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print('What are you connecting?')
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print('r: resistor')
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print('l: inductor')
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print('c: capacitor')
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mode = ValidCommandInput(['c', 'l', 'r'])
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is_resistor_mode = mode != 'c'
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print('Your target value?')
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target = ValidNumberInput()
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print('Your tolerance?')
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target_tolerance = ValidNumberInput()
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print('How to sort result?')
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print('l: less component')
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print('a: more accuracy')
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sort_mode = ValidCommandInput(['l', 'a'])
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# start computing
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print('Collecting and sorting data...')
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ResultList.clear()
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for i in OneComponentList:
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cache = i.Value - target
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if abs(cache) < target_tolerance:
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newobj = ResultStruct()
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newobj.Subtraction = cache
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newobj.ComponentCount = 1
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newobj.CorrespondingClass = i
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ResultList.append(newobj)
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for i in TwoComponentList:
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cache = i.Value - target
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if abs(cache) < target_tolerance:
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newobj = ResultStruct()
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newobj.Subtraction = cache
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newobj.ComponentCount = 2
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newobj.CorrespondingClass = i
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ResultList.append(newobj)
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for i in ThreeComponentList:
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cache = i.Value - target
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if abs(cache) < target_tolerance:
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newobj = ResultStruct()
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newobj.Subtraction = cache
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newobj.ComponentCount = 3
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newobj.CorrespondingClass = i
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ResultList.append(newobj)
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if sort_mode == 'l':
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ResultList.sort(key = lambda x: (x.ComponentCount, abs(x.Subtraction)))
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else:
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ResultList.sort(key = lambda x: abs(x.Subtraction))
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# display result
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if len(ResultList) == 0:
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print('Sorry, no result!')
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return
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count = len(ResultList)
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all_page = int(count / 10)
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current_page = 0
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while current_page <= all_page:
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for i in range(9):
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picked_index = current_page * 9 + i
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if (picked_index < count):
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picked_item = ResultList[picked_index]
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print("Plan {}\t{}\t{:.2%}".format(picked_index + 1, OutputAsHuman(picked_item.CorrespondingClass.Value), picked_item.Subtraction / target))
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picked_item.CorrespondingClass.PrintCircuit()
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print('')
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print("Page {} of {}. p: next page. q: exit".format(current_page + 1, all_page + 1))
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command = ValidCommandInput(['p', 'q'])
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if command == 'p':
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current_page += 1
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elif command == 'q':
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break
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def DoHelp():
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print('LCR Connect Help:')
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print('')
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print('query: do a query immediately. following the guider and find the result.')
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print('help: print this')
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print('exit: exit this app')
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# ===================================================== program start
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print('LCR Connect')
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# loading file
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print('Input the component value list file name:')
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filename = input()
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if not os.path.isfile(filename + '.cache'):
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LoadFromFile(filename)
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else:
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LoadFromCache(filename)
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# ready for command
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while True:
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sys.stdout.write('> ')
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sys.stdout.flush()
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cmd = ValidCommandInput(['exit', 'query', 'help'])
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if cmd == 'exit':
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break
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elif cmd == 'query':
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DoQuery()
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elif cmd == 'help':
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DoHelp()
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Block a user