find python binary location from windows registry

This commit is contained in:
Alan Hamlett 2015-10-01 15:07:55 -07:00
parent 11fbd2d2a6
commit eeb7fd8219

View file

@ -13,9 +13,9 @@ __version__ = '4.0.17'
import sublime import sublime
import sublime_plugin import sublime_plugin
import glob
import os import os
import platform import platform
import re
import sys import sys
import time import time
import threading import threading
@ -23,6 +23,10 @@ import urllib
import webbrowser import webbrowser
from datetime import datetime from datetime import datetime
from subprocess import Popen from subprocess import Popen
try:
import _winreg as winreg # py2
except ImportError:
import winreg # py3
# globals # globals
@ -101,6 +105,8 @@ def python_binary():
global PYTHON_LOCATION global PYTHON_LOCATION
if PYTHON_LOCATION is not None: if PYTHON_LOCATION is not None:
return PYTHON_LOCATION return PYTHON_LOCATION
# look for python in PATH and common install locations
paths = [ paths = [
"pythonw", "pythonw",
"python", "python",
@ -108,20 +114,88 @@ def python_binary():
"/usr/bin/python", "/usr/bin/python",
] ]
for path in paths: for path in paths:
try: path = find_python_in_folder(path)
Popen([path, '--version']) if path is not None:
PYTHON_LOCATION = path PYTHON_LOCATION = path
return path return path
except:
pass # look for python in windows registry
for path in glob.iglob('/python*'): path = find_python_from_registry(r'SOFTWARE\Python\PythonCore')
path = os.path.realpath(os.path.join(path, 'pythonw')) if path is not None:
try: PYTHON_LOCATION = path
Popen([path, '--version']) return path
PYTHON_LOCATION = path path = find_python_from_registry(r'SOFTWARE\Wow6432Node\Python\PythonCore')
return path if path is not None:
except: PYTHON_LOCATION = path
pass return path
return None
def find_python_from_registry(location, reg=None):
if platform.system() != 'Windows':
return None
if reg is None:
path = find_python_from_registry(location, reg=winreg.HKEY_CURRENT_USER)
if path is None:
path = find_python_from_registry(location, reg=winreg.HKEY_LOCAL_MACHINE)
return path
val = None
sub_key = 'InstallPath'
compiled = re.compile(r'^\d+\.\d+$')
try:
with winreg.OpenKey(reg, location) as handle:
versions = []
try:
for index in range(1024):
version = winreg.EnumKey(handle, index)
try:
if compiled.search(version):
versions.append(version)
except re.error:
pass
except EnvironmentError:
pass
versions.sort(reverse=True)
for version in versions:
try:
path = winreg.QueryValue(handle, version + '\\' + sub_key)
if path is not None:
path = find_python_in_folder(path)
if path is not None:
return path
except WindowsError:
print('[WakaTime] Warning: Could not read registry value "{reg}\\{key}\\{version}\\{sub_key}".'.format(
reg='HKEY_CURRENT_USER',
key=location,
version=version,
sub_key=sub_key,
))
except WindowsError:
print('[WakaTime] Warning: Could not read registry value "{reg}\\{key}".'.format(
reg='HKEY_CURRENT_USER',
key=location,
))
return val
def find_python_in_folder(folder):
path = os.path.realpath(os.path.join(folder, 'pythonw'))
try:
Popen([path, '--version'])
return path
except:
pass
path = os.path.realpath(os.path.join(folder, 'python'))
try:
Popen([path, '--version'])
return path
except:
pass
return None return None