version.py

# -*- coding: utf-8 -*-
""" Show information about this StaSh installation.
"""
from __future__ import print_function

import os
import io
import sys
import time
import platform
import plistlib

_stash = globals()['_stash']

try:
    collapseuser = _stash.libcore.collapseuser
except AttributeError:
    collapseuser = lambda p: p

IN_PYTHONISTA = sys.executable.find('Pythonista') >= 0

# Following functions for getting Pythonista and iOS version information are adapted from
# https://github.com/cclauss/Ten-lines-or-less/blob/master/pythonista_version.py
def pythonista_version():  # 2.0.1 (201000)
    try:
        path = os.path.abspath(os.path.join(sys.executable, '..', 'Info.plist'))
        with io.open(path, "rb") as fin:
            plist = plistlib.load(fin)
        return '{CFBundleShortVersionString} ({CFBundleVersion})'.format(**plist)
    except Exception as e:
        return "UNKNOWN ({e})".format(e=repr(e))


def ios_version():  # 9.2 (64-bit iPad5,4)
    try:
        ios_ver, _, machine_model = platform.mac_ver()
    except Exception as e:
        return "UNKNOWN ({e})".format(e=repr(e))
    else:
        bit = platform.architecture()[0].rstrip('bit') + '-bit'
        return '{} ({} {})'.format(ios_ver, bit, machine_model)


def print_stash_info():
    """
    Print general StaSh information.
    """
    STASH_ROOT = os.environ['STASH_ROOT']
    print(_stash.text_style('StaSh v%s' % globals()['_stash'].__version__, {'color': 'blue', 'traits': ['bold']}))
    print(u'{} {} ({})'.format(_stash.text_bold('Python'), os.environ['STASH_PY_VERSION'], platform.python_implementation()))
    print(u'{} {}'.format(_stash.text_bold('UI'), _stash.ui.__module__))
    print(u'{}: {}'.format(_stash.text_bold('root'), collapseuser(STASH_ROOT)))
    _stat = os.stat(os.path.join(STASH_ROOT, 'core.py'))
    last_modified = time.strftime("%Y-%m-%d %H:%M:%S", time.localtime(_stat.st_mtime))
    print(u'{}: {}'.format(_stash.text_bold('core.py'), last_modified))
    print(u'{}: {}'.format(_stash.text_bold('SELFUPDATE_TARGET'), os.environ['SELFUPDATE_TARGET']))


def print_pythonista_info():
    """
    Print pythonista related informations.
    """
    print(u'{} {}'.format(_stash.text_bold('Pythonista'), pythonista_version()))
    print(u'{} {}'.format(_stash.text_bold('iOS'), ios_version()))


def print_paths():
    """
    Print path related informations
    """
    print(_stash.text_bold('BIN_PATH:'))
    for p in os.environ['BIN_PATH'].split(':'):
        print('  {}'.format(collapseuser(p)))
    print(_stash.text_bold('PYTHONPATH:'))
    for p in os.environ['PYTHONPATH'].split(':'):
        print('  {}'.format(collapseuser(p)))

def print_machine_info():
    """
    Print information about the current machine.
    """
    if IN_PYTHONISTA:
        print_pythonista_info()
    print(u"{} {}".format(_stash.text_bold("Platform"), platform.platform()))


def print_libs():
    """
    Print loaded libs.
    """
    print(_stash.text_bold("Loaded libraries:"))
    for an in dir(_stash):
        if an.startswith("lib"):
            print(u"  {}".format(an))
    


def main():
    print_stash_info()
    print_machine_info()
    print_paths()
    print_libs()


if __name__ == '__main__':
    main()