Live test data from potentiostat for pulling single values from dense text block

[bskinn]

Data:

EXPLAIN
TAG	REPEATING_CHRONOA
TITLE	LABEL	Chronoamperometry Scan	Test Identifier
DATE	LABEL	5/15/2019	Date
TIME	LABEL	18:12:32	Time
NOTES	NOTES	1	Notes...
	
PSTAT	PSTAT	REF600-07058	Potentiostat
VSTEP1	POTEN	1.30000E+000	F	Step 1 Voltage (V)
TSTEP1	QUANT	2.50000E-001	Step 1 Time (s)
VSTEP2	POTEN	0.00000E+000	F	Step 2 Voltage (V)
TSTEP2	QUANT	2.50000E-001	Step 2 Time (s)
SAMPLETIME	QUANT	1.00000E-002	Sample Period (s)
DECIMATE	TOGGLE	F	Decimate
ILIMIT	QUANT	5.00000E+002	Limit I (mA/cm^2)
AREA	QUANT	1.00000E+000	Sample Area (cm^2)
IMODE	SELECTOR	1	I/E Range Mode
IRANGE	QUANT	5.00000E+002	Max Current (mA)
EQDELAY	QUANT	0.00000E+000	Equil. Time (s)
IRCOMP	SELECTOR	0	IRComp
PFCOR	QUANT	5.00000E+001	PF Corr. (ohm)
CYCLES	IQUANT	150	Cycles (#)
SAMPLINGMODE	SELECTOR	1	Sampling Mode
ELECTRODETYPE	SELECTOR	0	Electrode Type
STRIPPING	TOGGLE	F	Used for Stripping
POLARITY	TOGGLE	F	Signal Polarity
LINEFREQ	IQUANT	60	Line Frequency (Hz)
INTPERIOD	QUANT	NIL	Integration Period (s)
SEQUENCER	TOGGLE	TRUE	Run as Sequence
PSTATMODEL	IQUANT	4	Pstat Model
PSTATSECTION	LABEL	REF600-07058	Pstat Section
PSTATSERIALNO	LABEL	07058	Pstat Serial Number
CTRLMODE	IQUANT	1	Control Mode
ELECTROMETER	IQUANT	0	RE=0 or CS=1
IESTAB	IQUANT	0	I/E Stability
CASPEED	IQUANT	4	Control Amp Speed
CONVENTION	IQUANT	1	Current Convention
ICHRANGE	IQUANT	2	Ich Range
ICHRANGEMODE	TOGGLE	T	Ich Auto Range
ICHOFFSETENABLE	TOGGLE	F	Ich Offset Enable
ICHOFFSET	QUANT	0	Ich Offset (V)
ICHFILTER	IQUANT	2	Ich Filter
VCHRANGE	IQUANT	3	Vch Range
VCHRANGEMODE	TOGGLE	T	Vch Auto Range
VCHOFFSETENABLE	TOGGLE	F	Vch Offset Enable
VCHOFFSET	QUANT	0	Vch Offset (V)
VCHFILTER	IQUANT	2	Vch Filter
ACHRANGE	IQUANT	2	Ach Range
ACHOFFSETENABLE	TOGGLE	F	Ach Offset Enable
ACHOFFSET	QUANT	0	Ach Offset (V)
ACHFILTER	IQUANT	1	Ach Filter
IERANGELOWERLIMIT	IQUANT	1	I/E Range Lower Limit
IERANGEMODE	TOGGLE	F	I/E AutoRange
IERANGE	IQUANT	11	I/E Range
POSFEEDENABLE	TOGGLE	F	Positive Feedback IR Comp
POSFEEDRESISTANCE	QUANT	0	Positive Feedback Resistance (ohm)
ACHSELECT	IQUANT	0	Ach Select
SENSECABLEID	IQUANT	14	Sense Cable ID
PWRCABLEID	IQUANT	14	Power Cable ID
DCCALDATE	LABEL	1/8/2019	DC Calibration Date
ACCALDATE	LABEL	1/8/2019	AC Calibration Date
THERMOSELECT	IQUANT	1	Thermo Select
FRAMEWORKVERSION	QUANT	7.07	Framework Version
INSTRUMENTVERSION	LABEL	4.35	Instrument Version
CURVE	TABLE	7500
	Pt	T	Vf	Im	Vu	Sig	Ach	IERange	Over	Temp
	#	s	V vs. Ref.	A	V	V	V	#	bits	deg C
	0	0.01	1.29956E+000	1.87964E-001	0.00000E+000	1.30000E+000	1.81190E-003	11	..........a	-327.66
	1	0.02	1.29891E+000	1.87945E-001	0.00000E+000	1.30000E+000	1.84023E-003	11	..........a	-327.66
	2	0.03	1.29892E+000	1.87937E-001	0.00000E+000	1.30000E+000	1.86857E-003	11	..........a	-327.66

Representative set of Parsers (probably overkill with all the heads and tails):

# Date and time stamps
prs_date = pent.Parser(head="@.TITLE ~", body="@.DATE &. #x!..i @x./ #x!..i @x./ #x!..i ~")
prs_time = pent.Parser(head="@.DATE ~", body="@.TIME &. #x!..i @x.: #x!..i @x.: #x!..i ~")

# Setpoint voltages
prs_V1 = pent.Parser(head="@.PSTAT ~", body="@.VSTEP1 &. #!..g ~", tail="@.TSTEP1 ~")
prs_V2 = pent.Parser(head="@.TSTEP1 ~", body="@.VSTEP2 &. #!..g ~", tail="@.TSTEP2 ~")

# wf segment times
prs_t1 = pent.Parser(head="@.VSTEP1 ~", body="@.TSTEP1 &. #!..g ~", tail="@.VSTEP2 ~")
prs_t2 = pent.Parser(head="@.VSTEP2 ~", body="@.TSTEP2 &. #!..g ~", tail="@.SAMPLETIME ~")

# Expected number of samples
prs_numsamp = pent.Parser(head="@.INSTRUMENTVERSION ~", body="@.CURVE @.TABLE #!.+i", tail="@.Pt ~")