add csv to lineprotocol converter for influxdb

logdata_visualization/csvToLineprotocol/csvToLineprotocol.py

@@ -0,0 +1,57 @@
+import math
+import argparse
+
+import csv
+
+parser = argparse.ArgumentParser(
+                    prog = 'File Edit Script',
+                    description = 'Read content of text file and write to file',
+                    epilog = '')
+
+parser.add_argument('filename')           # positional argument
+parser.add_argument('-o', '--output')      # option that takes a value
+parser.add_argument('-v', '--verbose', action='store_true')  # on/off flag
+
+args = parser.parse_args()
+print(args.filename, args.output, args.verbose)
+
+input_filename=args.filename
+output_filename=args.output
+if (output_filename is None):
+    output_filename=input_filename+".lp"
+
+measurement="bobbycar"
+    
+with open(input_filename, newline='') as csvfile:
+    csvdict = csv.DictReader(csvfile)
+
+    with open(output_filename, 'w', newline='') as wf:
+        for irow,row in enumerate(csvdict):
+            if (irow%12!=0):
+                continue
+            #print(row['time'], row['cmd_FrontL'])
+            #csvwriter.writerow(['Spam', 'Lovely Spam', 'Wonderful Spam'])
+            output_timestamp=int(float(row['timestamp'])*1000000000) #csv timestamp is in seconds, convert to ns
+            #output_timestamp=int(float(row['timestamp'])*1000) #timestamp in ms
+#            print(list(row.keys())[2:8])
+            for key in list(row.keys()):
+                if (key != 'timestamp' and key != 'time'):
+                    wf.write(measurement+' '+key+'='+row[key]+' '+str(output_timestamp))
+                    wf.write('\n')
+
+
+'''
+   
+lines=None
+with open(args.filename,'r') as rf:
+    lines=rf.readlines()
+    
+lines=[x.rstrip() for x in lines] #remove newline and whitespaces at end
+    
+#modify content of lines here
+    
+with open(args.output, 'w') as wf:
+    for line in lines:
+        wf.write(line)
+        wf.write('\n')
+'''