1 #!/usr/bin/env python
   2 import os, fnmatch, shutil
   3 
   4 #method to backup files before running findReplace()
   5 def findAndBackup(directory, filePattern):
   6     for path, dirs, files in os.walk(os.path.abspath(directory)):
   7         for filename in fnmatch.filter(files, filePattern):
   8             filepath = os.path.join(path, filename)
   9             backup = filepath + ".bak"
  10             shutil.copy (filepath, backup)
  11             print (filepath + " => " + backup)
  12 
  13 #send two arrays for string find and replace
  14 def findReplace(directory, find_array, replace_array, filePattern):
  15     for path, dirs, files in os.walk(os.path.abspath(directory)):
  16         for filename in fnmatch.filter(files, filePattern):
  17             filepath = os.path.join(path, filename)
  18             with open(filepath) as f:
  19                 s = f.read()
  20             for i in range(len(find_array)):
  21                 s = s.replace(find_array[i], replace_array[i])
  22                 #replace XFILENAMEX if found
  23                 file_noExt = os.path.basename(filename).split('.')[0]
  24                 file_noExt = file_noExt.lower()
  25                 s = s.replace("XFILENAMEX",file_noExt)
  26             with open(filepath, "w") as f:
  27                 f.write(s)
  28 
  29 def main():
  30 
  31     #optional to run. Best to backup or zip whole directory though
  32     #    findAndBackup(".","*.xml")
  33 
  34     #initialize empty arrays
  35     in_str=[]
  36     re_str=[]
  37 
  38     #update unique logical identifier
  39     #urn:nasa:pds:body_mission_instrument_type_author_year:data:vevft201_lot
  40     #Note the XFILENAMEX will get replaced above in recursive loop with the filename (no extension)
  41     in_str.append("""${LOGICAL_IDENTIFIER}""")
  42     re_str.append("""urn:nasa:pds:lunar_lro_lroc_topography_domingue_2022:data:XFILENAMEX""")
  43 
  44     #update investigation area 
  45     in_str.append("""${INVESTIGATION_AREA_NAME}""")
  46     re_str.append("""Lunar Reconnaissance Orbiter""")
  47 
  48     #update investigation area lid reference
  49     in_str.append("""${INVESTIGATION_AREA_LID_REFERENCE}""")
  50     re_str.append("""urn:nasa:pds:context:instrument_host:spacecraft.lro""")
  51 
  52     #update Observing_System_Component. Also currently GDAL defaults to "spacecraft" 
  53     # but I think "instrument" would be better here and matches the observing system name used.
  54     in_str.append("""${OBSERVING_SYSTEM_NAME}""")
  55     re_str.append("""Lunar Reconnaissance Orbiter Camera""")
  56     # part 2 of this replacement
  57     in_str.append("""<type>Spacecraft</type>""")
  58     re_str.append("""<type>Instrument</type>""")
  59 
  60     #update several sections, lower and upper case Moon_2000, ${TARGET_TYPE}, #${target_type}
  61 
  62     #update TARGET_TYPE and lowercase target_type (annoying their is a lowercase version). 
  63     in_str.append("""Moon_2000""")
  64     re_str.append("""Moon""")
  65     #part 2 of the replacement
  66     in_str.append("""${TARGET_TYPE}""")
  67     re_str.append("""Satellite""")
  68     #part 3 of the replacement, lower case
  69     in_str.append("""moon_2000""")
  70     re_str.append("""earth.moon""")
  71     # part 4 lower case
  72     in_str.append("""${target_type}""")
  73     re_str.append("""satellite""")
  74 
  75     #actually run the findReplace fundtion passing the arrays
  76     findReplace(".",in_str,re_str,"*.xml")
  77 
  78 if __name__ == "__main__":
  79     main()