Add diff and json feature to eventio_print_simtel_metaparams

[maxnoe]

Allows passing --tel-diff 1 2 to compare the meta parameters of two telescopes, e.g.:

❯ eventio_print_simtel_metaparams prod6_test_files/gamma_20deg_0deg_run000001___cta-prod6-2156m-LaPalma-dark+magic_cone10.simtel.zst --tel-diff 1 2
--- 

+++ 

@@ -1,21 +1,29 @@

-NIGHTSKY_BACKGROUND = all: 0.233591 
+NIGHTSKY_BACKGROUND = all: 0.241539 
 NSB_AUTOSCALE_AIRMASS = 0.84 0.29 
 MIRROR_CLASS = 0 
 FOCUS_OFFSET = 6.55 0 0 0 
 FOCAL_Length = 2800 
 EFFECTIVE_FOCAL_Length = 2923.7 0 0 0 0 
-MIRROR_LIST = mirror_CTA-N-LST1_v2019-03-31.dat
+MIRROR_LIST = mirror_CTA-N-LST2_v2020-04-07_rotated.dat
 CAMERA_DEGRADED_EFFICIENCY = 1 
 CAMERA_DEGRADED_MAP = none
 MIRROR_DEGRADED_REFLECTION = 0.8 
 PRIMARY_DEGRADED_MAP = none
 DEFAULT_TRIGger = AnalogSum
-CAMERA_CONFIG_FILE = camera_CTA-LST-1_analogsum21_v2020-04-14.dat
+CAMERA_CONFIG_FILE = camera_CTA-LST-234_analogsum21_v2020-04-14.dat
 OPTICS_CONFIG_NAME = LST
-OPTICS_CONFIG_VARIANT = LSTN-01 prototype
+OPTICS_CONFIG_VARIANT = LSTN-02
 OPTICS_CONFIG_VERSION = 2023-12-15 (Prod-6)
 CAMERA_CONFIG_NAME = LSTcam
-CAMERA_CONFIG_VARIANT = LST-1(N) prototype, with nsb_autoscale_airmass
+CAMERA_CONFIG_VARIANT = LSTN-02 camera, with auto-scaling NSB levels
 CAMERA_CONFIG_VERSION = 2022-07-01 (Prod-6)
+RANDOM_MONO_PROBability = 0.01 
+PARABOLIC_DISH = 1 
+DISH_SHAPE_Length = 2800 
+MIRROR_FOCAL_Length = 0 
+DISCRIMINATOR_PULSE_SHAPE = LST_pulse_shape_7dynode_high_intensity_pix1s.dat
+ASUM_THRESHold = 260.7 
+ASUM_CLIPping = 9999 
+ASUM_SHAPING_FILE = none
 MIRROR_DIAMETER = 24.774 m
 MIRROR_AREA = 386.97 m^2

Also added the --json flag to output as json

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (16a6061) 86.58% compared to head (b2d8b69) 86.81%.

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #273      +/-   ##
==========================================
+ Coverage   86.58%   86.81%   +0.22%     
==========================================
  Files          24       24              
  Lines        2222     2252      +30     
==========================================
+ Hits         1924     1955      +31     
+ Misses        298      297       -1     

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[orelgueta]

All good (small comment about user-friendliness).