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|
#!/usr/bin/env python3
# -*- coding: utf-8 -*-
#==============================================================================
# File: macbuild/python3HB.py
#
# Descriptions: A handy tool to setup the standardized directory structures
# for Homebrew's Python 3.x
#==============================================================================
import os
import sys
import platform
import optparse
#------------------------------------------------------------------------------
# Set global variables
#------------------------------------------------------------------------------
def SetGlobals():
global DefaultHomebrewRoot
global Usage
(System, Node, Release, MacVersion, Machine, Processor) = platform.uname()
if Machine == "arm64": # Apple Silicon!
DefaultHomebrewRoot = '/opt/homebrew'
else:
DefaultHomebrewRoot = '/usr/local'
del System, Node, Release, MacVersion, Machine, Processor
Usage = "\n"
Usage += "----------------------------------------------------------------------------------------\n"
Usage += "<< Usage of 'python3HB.py' >>\n"
Usage += " to setup the standardized directory structures for Homebrew's Python 3.x on Mac\n"
Usage += "\n"
Usage += " option & argument : descriptions | default value\n"
Usage += " -------------------------------------------------------------------+---------------\n"
Usage += " <-v|--version <number>>: in ['3.8', '3.9', '3.10', '3.11', '3.12', | ''\n"
Usage += " '3.13'] |\n"
Usage += " [-u|-unlink] : unlink only | disabled\n"
Usage += " [-?|--?] : print this usage and exit | disabled\n"
Usage += "----------------------------------------------------------------------+-----------------\n"
#------------------------------------------------------------------------------
# Parse the command line arguments
#------------------------------------------------------------------------------
def Parse_CLI_Args():
global Version
global UnlinkOnly
p = optparse.OptionParser( usage=Usage )
p.add_option( '-v', '--version',
dest='version',
help="python3 version=['3.8', '3.9', '3.10', '3.11', '3.12', '3.13']" )
p.add_option( '-u', '--unlink',
action='store_true',
dest='unlink',
default=False,
help='unlink only' )
p.add_option( '-?', '--??',
action='store_true',
dest='checkusage',
default=False,
help='check usage' )
p.set_defaults( version = "",
unlink = False,
checkusage = False )
opt, args = p.parse_args()
if (opt.checkusage):
print(Usage)
sys.exit(0)
Version = opt.version
UnlinkOnly = opt.unlink
if not Version in [ '3.8', '3.9', '3.10', '3.11', '3.12', '3.13' ]:
print( "! Unsupported Python 3 version <%s>" % Version )
print(Usage)
sys.exit(0)
#------------------------------------------------------------------------------
# Set the directory structures
#------------------------------------------------------------------------------
def SetDirectoryStructures():
#----------------------------------------------------------
# [1] Check the root directory of python@${Version}
#----------------------------------------------------------
root = "%s/opt/python@%s" % (DefaultHomebrewRoot, Version)
if not os.path.isdir(root):
print( "! Found no such a directory <%s>" % root )
sys.exit(0)
#----------------------------------------------------------
# [2] Go to "lib/" and make
# Python.framework -> ../Frameworks/Python.framework/
#----------------------------------------------------------
os.chdir( root )
os.chdir( "lib/" )
try:
os.remove( "Python.framework" )
except FileNotFoundError:
pass
if not UnlinkOnly:
os.symlink( "../Frameworks/Python.framework/", "Python.framework" )
#----------------------------------------------------------
# [3] Go to "bin/" and make
# ./python${version} -> python3
# ./pip${version} -> pip3
#----------------------------------------------------------
os.chdir( root )
os.chdir( "bin/" )
try:
os.remove( "python3" )
os.remove( "pip3" )
except FileNotFoundError:
pass
if not UnlinkOnly:
os.symlink( "./python%s" % Version, "python3" )
os.symlink( "./pip%s" % Version, "pip3" )
#----------------------------------------------------------
# [4] Go to "Frameworks/Python.framework/" and delete
# three symbolic links
#----------------------------------------------------------
os.chdir( root )
os.chdir( "Frameworks/Python.framework/" )
try:
os.remove( "Headers" )
os.remove( "Resources" )
os.remove( "Python" )
except FileNotFoundError:
pass
#----------------------------------------------------------
# [5] Go to "Versions/" and make
# Current -> ${Version}/
#----------------------------------------------------------
os.chdir( root )
os.chdir( "Frameworks/Python.framework/Versions/" )
try:
os.remove( "Current" )
except FileNotFoundError:
pass
if not UnlinkOnly:
os.symlink( "%s/" % Version, "Current" )
#----------------------------------------------------------
# [6] Go to "Frameworks/Python.framework/" and make
# three symbolic links
#----------------------------------------------------------
if not UnlinkOnly:
os.chdir( root )
os.chdir( "Frameworks/Python.framework/" )
os.symlink( "Versions/Current/Headers/", "Headers" )
os.symlink( "Versions/Current/Resources/", "Resources" )
os.symlink( "Versions/Current/Python", "Python" )
#------------------------------------------------------------------------------
# The main function
#------------------------------------------------------------------------------
def Main():
SetGlobals()
Parse_CLI_Args()
SetDirectoryStructures()
#===================================================================================
if __name__ == "__main__":
Main()
#---------------
# End of file
#---------------
|
