compile.py

import sys 
import os 
import subprocess

from pmod import cmdline as cml 
from pmod import ioparse as iop 
from pmod import strlist as strl 

'''
This script faciliates compiling binaries from source ('src') folder 
and moving those binaries to the binaries folder ('bin'). 


Info:

    - Change 'linux' to 'windows' if running on windows
 
'''

def compile(OS_INST = "linux", SRC_DIR = "src", BIN_DIR = "bin"):   

    spc = "    " 
    
    DIRPATH = ""    
    SRCPATH = ""    
    BINPATH = ""

    movexeb = False 
    moveaux = False
    exefail = False

    print(" ")
    print("The compile routine is now starting...runtime messesges will be printed below:\n")

    try: 
        cmv = cml.path_parse(OS_INST)
        print(spc+"Success: Internal pathway routine has been successfully initialized")

    except:
        print(spc+"Error: an error occured while initializing internal pathway routine")
        print(spc+"ExitError: fatal error; 'compile' could not be completed")
        return False



    success, value = cmv.cmd("pwd")
    if(not success):
        print(spc+"Error: It looks like the BENV folder pathway could not be accessed")
        print(spc+"ExitError: fatal error; 'compile' could not be completed")
        return False
    else:
        DIRPATH = value    

    # Checking for existing binaries
    success, value = cmv.cmd("cd "+BIN_DIR) 
    if(not success):
        print(spc+"Error: It looks like the binary folder, '"+BIN_DIR+"', could not be accessed")
        print(spc+"       Check to see if the binary folder is present")
        print(spc+"ExitError: fatal error; 'compile' could not be completed")   

    success, value = cmv.cmd("ls")
    if(not success):
        print(spc+"Error: It looks like the binary folder, '"+BIN_DIR+"', content could not be accessed")
        print(spc+"ExitError: fatal error; 'compile' could not be completed")
        return False
    binarylist = value
           
    if("xeb_server" in binarylist):
        print(spc+"Warning: An already existing 'xeb_server' binary is present in the binary folder")
        print(spc+"         An attempt will be made to overwrite this file")
        success, value = cmv.cmd("rm xeb_server")
        if(not success):
            print(spc+"Error: failure to delete existing 'xeb_server', the newly compiled version may end up in the program folder")
    if("aux" in binarylist):
        print(spc+"Warning: An already existing 'aux' binary is present in the binary folder")
        print(spc+"         An attempt will be made to overwrite this file")
        success, value = cmv.cmd("rm aux")
        if(not success):
            print(spc+"Error: failure to delete existing 'aux', the newly compiled version may end up in the program folder")        

    success, value = cmv.cmd("cd ..") 
    if(not success):
        print(spc+"Error: It looks like the program folder, 'BENV', could not be accessed")
        print(spc+"ExitError: fatal error; 'compile' could not be completed")    
    

    # Moving into the source file 
    cmv = cml.path_parse(OS_INST)
    success, value = cmv.cmd("cd "+SRC_DIR)    
    if(not success):
        print(spc+"Error: It looks like the source folder, '"+SRC_DIR+"', could not be accessed")
        print(spc+"       Check to see if the source folder is present")
        print(spc+"ExitError: fatal error; 'compile' could not be completed")
    
    success, value = cmv.cmd("pwd")
    if(not success):
        print(spc+"Error: It looks like the source folder, '"+SRC_DIR+"', pathway could not be accessed")
        print(spc+"       Check to see if the source folder is present")
        print(spc+"ExitError: fatal error; 'compile' could not be completed")
        return False
    else:
        SRCPATH = value

    success, value = cmv.cmd("ls")    
    if(not success):
        print(spc+"Error: It looks like the source folder, '"+SRC_DIR+"', content could not be accessed")
        print(spc+"       Check to see if the source file properly formatted")
        print(spc+"ExitError: fatal error; 'compile' could not be completed")
        return False
    
    if(isinstance(value,(list,tuple))):
        if(len(value) > 0):
            check_list = [i.rstrip() for i in value]
            if("xeb_server" in check_list):
                print(spc+"Warning: A binary for 'eb_server_v3.f' has been found and will be overwritten")            
            if("aux" in check_list):
                print(spc+"Warning: A binary for 'nskin_v3.f' has been found and will be overwritten")
        else:
            print("Error: It looks like the source folder, '"+SRC_DIR+"', is empty")      
            print("ExitError: fatal error; 'compile' could not be completed")
            return False  
    else:
        print(spc+"Error: It looks like the source folder, '"+SRC_DIR+"', content could not be accessed")
        print(spc+"       Check to see if the source file properly formatted")
        print(spc+"ExitError: fatal error; 'compile' could not be completed")
        return False
    
    try:
        os.chdir(SRCPATH)
    except:
        print(spc+"Error: failure to set the shell pathway to the source folder")
        print(spc+"ExitError: fatal error; 'compile' could not be completed")
        return False     

    try:
        subprocess.call("chmod +x compile.sh",shell=True) 
    except:
        print(spc+"Error: failure to set the 'compile' shell script to an executable")
        print(spc+"ExitError: fatal error; 'compile' could not be completed")
        return False     
     
    try:
        subprocess.call("./compile.sh",shell=True) 
    except:
        print(spc+"Error: failure to run the 'compile' shell script")
        print(spc+"ExitError: fatal error; 'compile' could not be completed")
        return False     
         
    success, value = cmv.cmd("ls")
    if(not success):
        print(spc+"Error: It looks like the source folder, '"+SRC_DIR+"', content could not be accessed after compiling")
        print(spc+"ExitError: fatal error; 'compile' could not be completed")
        return False             
          
    if(isinstance(value,(list,tuple))):
        if(len(value) > 0):
            if("xeb_server" in value):
                print(spc+"Success: A binary for 'eb_server_v3.f' has been found after compiling")
                movexeb = True
            else:
                print(spc+"Error: It looks like 'eb_server_v3.f' wasn't properly compiled")            
            if("aux" in value):
                print(spc+"Success: A binary for 'nskin_v3.f' has been found after compiling")
                moveaux = True
            else:
                print(spc+"Error: It looks like 'nskin_v3.f' wasn't properly compiled")  
        else:
            print("Error: It looks like the source folder, '"+SRC_DIR+"', is empty")      
            print("ExitError: fatal error; 'compile' could not be completed")
            return False 
    else:       
        print(spc+"Error: It looks like the source folder, '"+SRC_DIR+"', content could not be accessed after compiling")
        print(spc+"ExitError: fatal error; 'compile' could not be completed")
        return False 
     
    if(movexeb):
        success, value = cmv.cmd("mv xeb_server ..")
        if(not success):
            print(spc+"Error: 'xeb_server' was not successfully moved into the BENV directory") 
            movexeb = False 
    if(moveaux):
        success, value = cmv.cmd("mv aux ..")
        if(not success):
            print(spc+"Error: 'aux' was not successfully moved into the BENV directory") 
            moveaux = False

    success, value = cmv.cmd("cd ..") 
    if(not success):
        print(spc+"Error: It looks like the program folder, 'BENV', could not be reaccessed")
        print(spc+"ExitError: fatal error; 'compile' could not be completed")        

    if(movexeb):
        success, value = cmv.cmd("mv xeb_server "+BIN_DIR)
        if(not success):
            print(spc+"Error: 'xeb_server' was not successfully moved into the binary directory; '"+BIN_DIR+"'") 
            movexeb = False 
    if(moveaux):
        success, value = cmv.cmd("mv aux "+BIN_DIR)
        if(not success):
            print(spc+"Error: 'aux' was not successfully moved into the binary directory; '"+BIN_DIR+"'") 
            moveaux = False
                    
    success, value = cmv.cmd("cd "+BIN_DIR) 
    if(not success):
        print(spc+"Error: It looks like the binary folder, '"+BIN_DIR+"', could not be accessed")
        print(spc+"       Check to see if the binary folder is present")
        print(spc+"ExitError: fatal error; 'compile' could not be completed")     

    success, value = cmv.cmd("pwd")
    if(not success):
        print(spc+"Error: It looks like the binary folder, '"+BIN_DIR+"', pathway could not be accessed")
        print(spc+"ExitError: fatal error; 'compile' could not be completed")
        return False
    else:
        BINPATH = value     
      
    try:
        os.chdir(BINPATH)
    except:
        print(spc+"Error: failure to set the shell pathway to the binary folder")
        print(spc+"ExitError: fatal error; 'compile' could not be completed")
        return False     

    try:
        subprocess.call("chmod +x run.sh",shell=True) 
    except:
        print(spc+"Error: failure to set the 'run' shell script to an executable")
        print(spc+"ExitError: fatal error; 'compile' could not be completed")
        return False   

    success, value = cmv.cmd("ls")
    if(not success):
        print(spc+"Error: It looks like the binary folder, '"+BIN_DIR+"', content could not be accessed")
        print(spc+"ExitError: fatal error; 'compile' could not be completed")
        return False
           
    if("xeb_server" in value):
        print(spc+"Success: The 'xeb_server' binary is accounted for in the binary folder")
    else:
        print(spc+"Error: The 'xeb_server' binary is not accounted for in the binary folder")  
        exefail = True 

    if("aux" in value):
        print(spc+"Success: The 'aux' binary is accounted for in the binary folder")       
    else:
        print(spc+"Error: The 'aux' binary is not accounted for in the binary folder")  
        exefail = True 

    if(exefail):
        print(spc+"Error: compile failed, the 'exe.py' script will not work as intended")   
     
    return True 



# Main program 

success = compile()
print(" ")

if(success):
    print("No fatal errors detected, see above for runtime messesges")
else:
    print("Fatal error detected! See above for runtime errors")
print(" ")