NASA Ocean Color

ocssw V2022
 import os
 from pathlib import Path
 import logging
 import sys
  
  
 def env(self):
     """
     A simple module to populate some important environment variables
     """
     if os.getenv("OCSSWROOT") is None:
         scriptdir = Path(__file__).resolve().parent
         if 'src' in scriptdir.parts:
             self.dirs['packageroot'] =  scriptdir.parents[2]
         else:
             self.dirs['packageroot'] =  scriptdir.parents[1]
     else:
         self.dirs['packageroot'] = Path(os.getenv("OCSSWROOT"))
  
     self.dirs['root'] = self.dirs['packageroot'] / "share"
     if os.getenv("OCDATAROOT"):
         self.dirs['root'] = Path(os.getenv("OCDATAROOT"))
  
     if not self.dirs['root'].exists():
         print("ERROR: The OCDATAROOT {} directory does not exist.".format(self.dirs['root']))
         print("Please make sure you have downloaded and installed OCSSW and sourced the OCSSW environment")
         sys.exit(1)
  
     self.dirs['scripts'] = self.dirs['packageroot'] / "scripts"
     if os.getenv("OCSSW_SCRIPTS"):
         self.dirs['scripts'] = Path(os.getenv("OCSSW_SCRIPTS"))
  
     self.dirs['var'] = self.dirs['packageroot'] / "var"
     if os.getenv("OCVARROOT"):
         self.dirs['var'] = Path(os.getenv("OCVARROOT"))
  
     self.dirs['bin'] = self.dirs['packageroot'] / "bin"
     if os.getenv("OCSSW_BIN"):
         self.dirs['bin'] = Path(os.getenv("OCSSW_BIN"))
  
     self.dirs['bin3'] = self.dirs['packageroot'] / "opt" / "bin"
     if os.getenv("LIB3_BIN"):
         self.dirs['bin3'] = Path(os.getenv("LIB3_BIN"))
  
     self.dirs['log'] = self.dirs['var'] / "log"
     Path(self.dirs['log']).mkdir(parents=True, exist_ok=True)
  
     if os.getenv("OCSSW_DEBUG") is not None and int(os.getenv("OCSSW_DEBUG")) > 0:
         if not os.path.exists(self.dirs['bin']):
             print("Error:  OCSSW_DEBUG set, but...\n\t%s\ndoes not exist!" % self.dirs['bin'])
             sys.exit(1)
         else:
             print("Running debug binaries...\n\t%s" % self.dirs['bin'])
  
     self.dirs['run'] = str(Path.cwd())
     if self.curdir:
         self.dirs['anc'] = self.dirs['run']
     else:
         if self.ancdir is None:
             if os.getenv("L2GEN_ANC") is None and os.getenv("USER_L2GEN_ANC") is None:
                 if self.verbose:
                     print("Neither the L2GEN_ANC nor USER_L2GEN_ANC environment variables are set.")
                     print("...using the current working directory for ancillary file download.")
                 self.curdir = True
                 self.dirs['anc'] = self.dirs['run']
             else:
                 if os.getenv("L2GEN_ANC") is not None:
                     self.dirs['anc'] = os.getenv("L2GEN_ANC")
                 else:
                     self.dirs['anc'] = os.getenv("USER_L2GEN_ANC")
         else:
             self.dirs['anc'] = Path(self.ancdir)
  
 def build_executable_path(prog_name):
     """
     Returns the path to the program named in prog_name as a pathlib Path object.
     None is returned if the program is not found.
     """
     packageroot = None
     if os.getenv("OCSSWROOT"):
         packageroot = Path(os.getenv("OCSSWROOT"))
  
     prog_path = packageroot / 'bin' / prog_name
     if not Path.exists(prog_path):
         err_msg = "Cannot find program %s" % prog_name
         logging.error(err_msg)
         sys.exit(err_msg)
  
     return prog_path
MDN.parameters.int
int
Definition: parameters.py:18
void print(std::ostream &stream, const char *format)
Definition: PrintDebug.hpp:38
seadasutils.setupenv.env
def env(self)
Definition: setupenv.py:7
seadasutils.setupenv.build_executable_path
def build_executable_path(prog_name)
Definition: setupenv.py:74
str
Definition: aerosol.c:136