157 lines
5.1 KiB
Python
157 lines
5.1 KiB
Python
import numpy as np
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from datetime import datetime
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import time
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import argparse
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parser = argparse.ArgumentParser(description='Copys, renames and fixes logfiles written by bobbycar sd logger.')
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parser.add_argument('--input', type=argparse.FileType('r'), nargs='+')
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parser.add_argument('--output', nargs='?', type=argparse.FileType('w'))
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args = parser.parse_args()
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ok=True
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def getTimestamp(plines):
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timestampline=-1
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timestampfound=False
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while not timestampfound:
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timestampline+=1
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timestampfound = (plines[timestampline].find('TIMESTAMP:')!=-1)
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timestamp=int(plines[timestampline].split('TIMESTAMP:')[1]) #timestamp when file was created
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if (timestampline==-1):
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print("Error: Timestamp not found!")
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exit()
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return timestamp
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def filterLines(plines,plinesStarttime=None):
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plines = [x.rstrip("\n") for x in plines] #remove \n
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pcommentlinesMask = [True if x.startswith('#') else False for x in plines] #generate mask for lines with comments
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plines=np.array(plines)
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pcommentlinesMask=np.array(pcommentlinesMask)
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if (plinesStarttime is not None): #if starttimelist given, match with pdatalinesOK
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plinesStarttime = plinesStarttime[pcommentlinesMask==False] #get lines with data
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pdatalines = plines[pcommentlinesMask==False] #get lines with data
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pheader = pdatalines[0] #header is the first non comment line
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pheaderSize = len(pheader.split(',')) #how many elements are expected per line
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pdatalinesSize = [len(x.split(',')) for x in pdatalines] #count arraysize for every dataline
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if (plinesStarttime is not None): #if starttimelist given, match with pdatalinesOK
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plinesStarttime=plinesStarttime[np.array(pdatalinesSize)==pheaderSize]
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pdatalinesOK = pdatalines[np.array(pdatalinesSize)==pheaderSize]
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if (plinesStarttime is not None): #if starttimelist given, match with pdatalinesOK
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plinesStarttime = [plinesStarttime[i] for i,x in enumerate(pdatalinesOK) if x != pheader]
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pdatalinesOK = [x for x in pdatalinesOK if x != pheader] #exclude header from data lines
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pdatalinesFail = pdatalines[np.array(pdatalinesSize)!=pheaderSize]
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plinesSize = [len(x.split(',')) for x in plines] #count arraysize for every dataline
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plinesOK = np.array(plinesSize)==pheaderSize #mask for okay lines (valid for data lines)
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return plines,pheader,pcommentlinesMask,pdatalines,pdatalinesFail,pdatalinesOK,pheaderSize,plinesOK,plinesStarttime
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inputFilenames=[x.name for x in args.input]
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outputFilename=None
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if args.output is not None:
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outputFilename=args.output.name
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lines=[]
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linesStarttime=[] #offset for every line with timestamp. will be combined to new column
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header=""
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for inputFilename in inputFilenames:
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print("Reading "+str(inputFilename))
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inputlines=[]
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with open(inputFilename, 'r') as reader:
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inputlines = reader.readlines()
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lines+=inputlines
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#Check Headers
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_lines,_header,_,_,_,_,_,_,_=filterLines(inputlines)
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if (header==""): #is first header
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header=_header
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assert header==_header, "Header is different!"
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_timestamp=getTimestamp(_lines)
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print("Timestamp="+str(_timestamp))
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_linesStarttime=[_timestamp for x in inputlines] #create as many entries with start timestamp as there are lines in the current file
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linesStarttime+=_linesStarttime
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print("Line in file="+str(len(inputlines)))
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assert len(lines)==len(linesStarttime), "Length of lines and linesStarttime does not match"
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linesStarttime=np.array(linesStarttime)
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lines,header,commentlinesMask,datalines,datalinesFail,datalinesOK,headerSize,linesOK,linesStarttime=filterLines(lines,linesStarttime)
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print("Found "+str(len(lines))+" lines")
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print(str(np.sum(commentlinesMask))+" comments")
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print(str(len(datalinesFail))+" Datalines Failed")
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print(str(len(datalinesOK))+" Datalines OK")
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print("Header Size is "+str(headerSize))
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timestamp=getTimestamp(lines)
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filetime = time.strftime('%Y%m%d_%H%M%S', time.localtime(timestamp))
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if outputFilename is None:
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outputFilename = filetime+".csv"
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#is_dst(datetime(2019, 4, 1), timezone="US/Pacific")
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print("Timestamp:"+str(timestamp)+" -> "+str(filetime))
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print("UTC: "+ datetime.utcfromtimestamp(timestamp).strftime('%A, %Y-%m-%d %H:%M:%S'))
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print("Local Time:"+time.strftime('%A, %Y-%m-%d %H:%M:%S', time.localtime(timestamp)))
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print("Writing to: "+str(outputFilename))
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print("Size lines="+str(len(lines)))
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print("Size commentlinesMask="+str(len(commentlinesMask)))
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print("Size datalines="+str(len(datalines)))
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print("Size linesOK="+str(len(linesOK)))
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header="timestamp,"+header #add timestamp column
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writelines = [str(linesStarttime[i]+float(x.split(',')[0]))+","+x for i,x in enumerate(datalinesOK)] #add file timestamp to line time and add column to data
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linesWritten = 0
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if ok:
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with open(outputFilename, 'w') as writer:
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writer.write(header+"\n") #write header
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for i,line in enumerate(writelines):
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writer.write(line+"\n")
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linesWritten+=1
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print(str(linesWritten)+" lines written to "+str(outputFilename))
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else:
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print("Failed!")
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