Removed some whitespace, minor optimizations

src/tfscript/cli.py

@@ -15,7 +15,7 @@ import os
 import argparse
 from tempfile import NamedTemporaryFile
 import yaml
-from platform import system as getOS, release
+from platform import system as OSName, OSRelease
 
 try:
     import winreg
@@ -50,12 +50,12 @@ def writeOutput(data, className) -> dict:
     """
     global args
     namesDict = {} # return dict
-    
+
     # Variables
     lineList = [ l.encode('utf8') for l in data.splitlines() ]
     fileNum = 1
     bytesWritten = 0
-    
+
     # Constants
     maxFileSize = 2 ** 20 # 1MiB maximum cfg file size
     filesNeeded = 1 + int( len(data)/maxFileSize )
@@ -63,32 +63,32 @@ def writeOutput(data, className) -> dict:
         print( f'DEBUG: need {filesNeeded} files for {className}', file=sys.stderr)
 
     FilNedLen = len(str(filesNeeded))
+    reservedSpace = len(f'{className}_script_{filesNeeded}.cfg') + 4
+
+    # Initialize variables
+    outfile = NamedTemporaryFile(prefix=className, delete=False)
     # I know % formatting is old-school and pylint hates it,
     # but "%*d" is the easiest way to left-pad with zeros
     # without hardcoding a number. The extra 4 bytes is just some leeway
-    reservedSpace = len('%s_script_%0*d.cfg' % (className, FilNedLen, fileNum)) + 4
-
-    # Initialize the variables
-    outfile = NamedTemporaryFile(prefix=className, delete=False)
     namesDict.update({ outfile.name: '%s_script_%0*d.cfg' % (className, FilNedLen, fileNum) })
 
     while (fileNum <= filesNeeded and len(lineList) > 0):
         line = lineList.pop(0) + '\n'.encode('utf8')
         lineLen = len(line) # nice
-        
+
         if bytesWritten + reservedSpace + lineLen > maxFileSize:
-            outfile.write( ('exec %s_script_%0*d' % (className, FilNedLen, fileNum)).encode('utf8') )
+            outfile.write( ('exec %s_script_%0*d' % (className, FilNedLen, fileNum+1)).encode('utf8') )
             bytesWritten += reservedSpace
             if args.debug:
                 print( f'DEBUG: Wrote {bytesWritten} bytes to {className} ({fileNum}/{filesNeeded})', file=sys.stderr)
-            
+
             outfile.close()
             outfile = NamedTemporaryFile(prefix=className, delete=False)
-            
+
             fileNum += 1
             namesDict.update({ outfile.name: '%s_script_%0*d.cfg' % (className, FilNedLen, fileNum) })
             bytesWritten = 0
-        
+
         outfile.write(line)
         bytesWritten += lineLen
 
@@ -106,7 +106,7 @@ def parseConfig(config):
     if os.path.isdir(targetDir) == False:
         os.mkdir(targetDir)
         if args.debug:
-            print(f"DEBUG: Created", file=sys.stderr)
+            print( f"DEBUG: Created directory {targetDir}", file=sys.stderr)
 
     tempsAndReals = {}
 
@@ -144,9 +144,7 @@ def parseCLI():
     return parser
 
 def main():
-    """
-    Command line interface.
-    """
+    """ Command line interface. """
     global args
     global targetDir
     parser = parseCLI()
@@ -155,9 +153,9 @@ def main():
     if args.directory is not None:
         targetDir = args.directory
     else:
-        systemName = getOS()
+        systemName = OSName()
         if systemName == "Darwin":
-            if float( '.'.join(release().split('.')[0:2]) ) >= 10.15:
+            if float( '.'.join(OSRelease().split('.')[0:2]) ) >= 10.15:
                 if not args.force:
                     print(
                         "As of macOS Catalina (v10.15), 32-bit applications "