example.py

#!/usr/bin/env python3

#
# Example on how to access case metadata information and reconstruct file names
#
# Ulf Andrae, SMHI, 2022
#

from cases import Cases

if True:

  # Select cases and experiments, specify as a list or a dictionary with cases and runs within cases
  # Select all
  selection = {}
  selection = []
  selection = None
  # Select one case
  selection = [ 'finland_2017' ]
  # Select one case and one run from this case
  selection = { 'finland_2017' : ['cy43_deode_ref_fin'] }

  # Load the data 
  example = Cases(selection=selection)

  # print, try with different printlevels
  example.print(printlev=1)
  
  # Specify a selection of dates, leadtimes and file patterns
  dates=[]
  dates=['2017-08-10 12:00:00',
         '2017-08-11 00:00:00']
  leadtimes =[]
  leadtimes =[0,1,2]
  file_template = None
  file_template = 'fc(.*)fp'
  file_template = 'fc(.*)'

  # Generate the file paths and names
  files = example.reconstruct(dtg=dates,leadtime=leadtimes,file_template=file_template)

  # Print the result
  print('\nFilenames:')
  [print(' ',f) for f in files]


#
# Example 2
#

if True:
  selection = ['finland_2017','gavle_2021']
  example2 = Cases(selection=selection,printlev=0)
  example2.print(printlev=0)

  case='gavle_2021'
  print('\nCase:',case)

  # Access one case from the cases class
  files = example2.cases[case].reconstruct(leadtime=[0],file_template='(.*)fp')
  print()
  [print(f) for f in files]

  case = 'finland_2017'
  dates=['2017-08-10 12:00:00',
         '2017-08-11 00:00:00']

  print('\nCase:',case)
  for run in example2.cases[case].runs:
    # Access one run from the Exp class ( called runs here )
    files = example2.cases[case].runs[run].reconstruct(leadtime=[0],file_template='(.*)fp',dtg=dates)
    print(' Run:',run)
    [print('  ', f) for f in files]

  # Print the metadata for this case and run 
  print('\n--- metadata ---')
  [print('    {:<20}: {}'.format(k,v)) for k,v in example2.cases[case].runs[run].__dict__.items() if k != 'data']