winpython/winpython/utils.py at master · svisser/winpython · GitHub

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# -*- coding: utf-8 -*-

# Licensed under the terms of the MIT License

# (see winpython/__init__.py for details)

"""

WinPython utilities

Created on Tue Aug 14 14:08:40 2012

"""

from __future__ import print_function

import os

import os.path as osp

import subprocess

import re

import tarfile

import zipfile

import tempfile

import shutil

import atexit

import sys

import stat

import locale

# Local imports

from winpython.py3compat import winreg

# Development only

TOOLS_DIR = osp.abspath(osp.join(osp.dirname(__file__), os.pardir, 'tools'))

if osp.isdir(TOOLS_DIR):

os.environ['PATH'] += ';%s' % TOOLS_DIR

ROOT_DIR = os.environ.get('WINPYTHONROOTDIR')

BASE_DIR = os.environ.get('WINPYTHONBASEDIR')

ROOTDIR_DOC = """

The WinPython root directory (WINPYTHONROOTDIR environment variable which

may be overriden with the `rootdir` option) contains the following folders:

* (required) `packages.win32`: contains distutils 32-bit packages

* (required) `packages.win-amd64`: contains distutils 64-bit packages

* (optional) `packages.src`: contains distutils source distributions

* (required) `tools`: contains architecture-independent tools

* (optional) `tools.win32`: contains 32-bit-specific tools

* (optional) `tools.win-amd64`: contains 64-bit-specific tools"""

def get_basedir(pyver, rootdir=None):

"""Get basedir from Python version

`pyver`: Python version (X.Y format) [str]

`rootdir`: [str] if None, WINPYTHONROOTDIR env var must be set

(rootdir: root directory containing 'basedir27', 'basedir33', etc.)

""" + ROOTDIR_DOC

assert re.match(r'[0-9]+\.[0-9]+', pyver) is not None

rootdir = rootdir if rootdir is not None else ROOT_DIR

assert rootdir is not None, "The *rootdir* directory must be specified"

return osp.join(rootdir, 'basedir%s' % pyver[::2][:2])

def onerror(function, path, excinfo):

"""Error handler for `shutil.rmtree`.

If the error is due to an access error (read-only file), it

attempts to add write permission and then retries.

If the error is for another reason, it re-raises the error.

Usage: `shutil.rmtree(path, onerror=onerror)"""

if not os.access(path, os.W_OK):

# Is the error an access error?

os.chmod(path, stat.S_IWUSR)

function(path)

else:

raise

# Exact copy of 'spyderlib.utils.programs.is_program_installed' function

def is_program_installed(basename):

"""Return program absolute path if installed in PATH

Otherwise, return None"""

for path in os.environ["PATH"].split(os.pathsep):

abspath = osp.join(path, basename)

if osp.isfile(abspath):

return abspath

# =============================================================================

# Environment variables

# =============================================================================

def get_env(name, current=True):

"""Return HKCU/HKLM environment variable name and value

For example, get_user_env('PATH') may returns:

('Path', u'C:\\Program Files\\Intel\\WiFi\\bin\\')"""

root = winreg.HKEY_CURRENT_USER if current else winreg.HKEY_LOCAL_MACHINE

key = winreg.OpenKey(root, "Environment")

for index in range(0, winreg.QueryInfoKey(key)[1]):

try:

value = winreg.EnumValue(key, index)

if value[0].lower() == name.lower():

# Return both value[0] and value[1] because value[0] could be

# different from name (lowercase/uppercase)

return value[0], value[1]

except:

break

def set_env(name, value, current=True):

"""Set HKCU/HKLM environment variables"""

root = winreg.HKEY_CURRENT_USER if current else winreg.HKEY_LOCAL_MACHINE

key = winreg.OpenKey(root, "Environment")

try:

_x, key_type = winreg.QueryValueEx(key, name)

except WindowsError:

key_type = winreg.REG_EXPAND_SZ

key = winreg.OpenKey(root, "Environment", 0, winreg.KEY_SET_VALUE)

winreg.SetValueEx(key, name, 0, key_type, value)

from win32gui import SendMessageTimeout

from win32con import (HWND_BROADCAST, WM_SETTINGCHANGE,

SMTO_ABORTIFHUNG)

SendMessageTimeout(HWND_BROADCAST, WM_SETTINGCHANGE, 0,

"Environment", SMTO_ABORTIFHUNG, 5000)

# =============================================================================

# Shortcuts, start menu

# =============================================================================

def get_special_folder_path(path_name):

"""Return special folder path"""

from win32com.shell import shell, shellcon

for maybe in """

CSIDL_COMMON_STARTMENU CSIDL_STARTMENU CSIDL_COMMON_APPDATA

CSIDL_LOCAL_APPDATA CSIDL_APPDATA CSIDL_COMMON_DESKTOPDIRECTORY

CSIDL_DESKTOPDIRECTORY CSIDL_COMMON_STARTUP CSIDL_STARTUP

CSIDL_COMMON_PROGRAMS CSIDL_PROGRAMS CSIDL_PROGRAM_FILES_COMMON

CSIDL_PROGRAM_FILES CSIDL_FONTS""".split():

if maybe == path_name:

csidl = getattr(shellcon, maybe)

return shell.SHGetSpecialFolderPath(0, csidl, False)

raise ValueError("%s is an unknown path ID" % (path_name,))

def get_winpython_start_menu_folder(current=True):

"""Return WinPython Start menu shortcuts folder"""

if current:

# non-admin install - always goes in this user's start menu.

folder = get_special_folder_path("CSIDL_PROGRAMS")

else:

try:

folder = get_special_folder_path("CSIDL_COMMON_PROGRAMS")

except OSError:

# No CSIDL_COMMON_PROGRAMS on this platform

folder = get_special_folder_path("CSIDL_PROGRAMS")

return osp.join(folder, 'WinPython')

def create_winpython_start_menu_folder(current=True):

"""Create WinPython Start menu folder -- remove it if it already exists"""

path = get_winpython_start_menu_folder(current=current)

if osp.isdir(path):

try:

shutil.rmtree(path, onerror=onerror)

except WindowsError:

print("Directory %s could not be removed" % path, file=sys.stderr)

else:

os.mkdir(path)

return path

def create_shortcut(path, description, filename,

arguments="", workdir="", iconpath="", iconindex=0):

"""Create Windows shortcut (.lnk file)"""

import pythoncom

from win32com.shell import shell

ilink = pythoncom.CoCreateInstance(shell.CLSID_ShellLink, None,

pythoncom.CLSCTX_INPROC_SERVER,

shell.IID_IShellLink)

ilink.SetPath(path)

ilink.SetDescription(description)

if arguments:

ilink.SetArguments(arguments)

if workdir:

ilink.SetWorkingDirectory(workdir)

if iconpath or iconindex:

ilink.SetIconLocation(iconpath, iconindex)

# now save it.

ipf = ilink.QueryInterface(pythoncom.IID_IPersistFile)

if not filename.endswith('.lnk'):

filename += '.lnk'

ipf.Save(filename, 0)

# =============================================================================

# Misc.

# =============================================================================

def print_box(text):

"""Print text in a box"""

line0 = "+" + ("-"*(len(text)+2)) + "+"

line1 = "| " + text + " |"

print(("\n\n" + "\n".join([line0, line1, line0]) + "\n"))

def is_python_distribution(path):

"""Return True if path is a Python distribution"""

# XXX: This test could be improved but it seems to be sufficient

return osp.isfile(osp.join(path, 'python.exe'))\

and osp.isdir(osp.join(path, 'Lib', 'site-packages'))

# =============================================================================

# Shell, Python queries

# =============================================================================

def decode_fs_string(string):

"""Convert string from file system charset to unicode"""

charset = sys.getfilesystemencoding()

if charset is None:

charset = locale.getpreferredencoding()

return string.decode(charset)

def exec_shell_cmd(args, path):

"""Execute shell command (*args* is a list of arguments) in *path*"""

# print " ".join(args)

process = subprocess.Popen(args, stdout=subprocess.PIPE,

stderr=subprocess.PIPE, cwd=path, shell=True)

return decode_fs_string(process.stdout.read())

def get_gcc_version(path):

"""Return version of the GCC compiler installed in *path*"""

return exec_shell_cmd('gcc --version', path).splitlines()[0].split()[-1]

def get_thg_version(path):

"""Return version of TortoiseHg installed in *path*"""

txt = exec_shell_cmd('thg version', path).splitlines()[0]

match = re.match('TortoiseHg Dialogs \(version ([0-9\.]*)\)', txt)

if match is not None:

return match.groups()[0]

def python_query(cmd, path):

"""Execute Python command using the Python interpreter located in *path*"""

return exec_shell_cmd('python -c "%s"' % cmd, path).splitlines()[0]

def get_python_infos(path):

"""Return (version, architecture) for the Python distribution located in

*path*. The version number is limited to MAJOR.MINOR, the architecture is

an integer: 32 or 64"""

is_64 = python_query('import sys; print(sys.maxsize > 2**32)', path)

arch = {'True': 64, 'False': 32}.get(is_64, None)

ver = python_query("import sys; print('%d.%d' % (sys.version_info.major, "

"sys.version_info.minor))", path)

if re.match(r'([0-9]*)\.([0-9]*)', ver) is None:

ver = None

return ver, arch

def get_python_long_version(path):

"""Return long version (X.Y.Z) for the Python distribution located in

*path*"""

ver = python_query("import sys; print('%d.%d.%d' % "

"(sys.version_info.major, sys.version_info.minor,"

"sys.version_info.micro))", path)

if re.match(r'([0-9]*)\.([0-9]*)\.([0-9]*)', ver) is None:

ver = None

return ver

# =============================================================================

# Extract functions

# =============================================================================

def _create_temp_dir():

"""Create a temporary directory and remove it at exit"""

tmpdir = tempfile.mkdtemp(prefix='wppm_')

atexit.register(lambda path: shutil.rmtree(path, onerror=onerror), tmpdir)

return tmpdir

def extract_msi(fname, targetdir=None, verbose=False):

"""Extract .msi installer to a temporary directory (if targetdir

is None). Return the temporary directory path"""

assert fname.endswith('.msi')

if targetdir is None:

targetdir = _create_temp_dir()

extract = 'msiexec.exe'

bname = osp.basename(fname)

args = ['/a', '%s' % bname]

if not verbose:

args += ['/qn']

args += ['TARGETDIR=%s' % targetdir]

subprocess.call([extract]+args, cwd=osp.dirname(fname))

return targetdir

def extract_exe(fname, targetdir=None, verbose=False):

"""Extract .exe archive to a temporary directory (if targetdir

is None). Return the temporary directory path"""

if targetdir is None:

targetdir = _create_temp_dir()

extract = '7z.exe'

assert is_program_installed(extract),\

"Required program '%s' was not found" % extract

bname = osp.basename(fname)

args = ['x', '-o%s' % targetdir, '-aos', bname]

if verbose:

retcode = subprocess.call([extract]+args, cwd=osp.dirname(fname))

else:

p = subprocess.Popen([extract]+args, cwd=osp.dirname(fname),

stdout=subprocess.PIPE)

p.communicate()

p.stdout.close()

retcode = p.returncode

if retcode != 0:

raise RuntimeError("Failed to extract %s (return code: %d)"

% (fname, retcode))

return targetdir

def extract_archive(fname, targetdir=None, verbose=False):

"""Extract .zip, .exe (considered to be a zip archive) or .tar.gz archive

to a temporary directory (if targetdir is None).

Return the temporary directory path"""

if targetdir is None:

targetdir = _create_temp_dir()

if osp.splitext(fname)[1] in ('.zip', '.exe'):

obj = zipfile.ZipFile(fname, mode="r")

elif fname.endswith('.tar.gz'):

obj = tarfile.open(fname, mode='r:gz')

else:

raise RuntimeError("Unsupported archive filename %s" % fname)

obj.extractall(path=targetdir)

return targetdir

WININST_PATTERN = r'([a-zA-Z0-9\-\_]*|[a-zA-Z\-\_\.]*)-([0-9\.\-]*[a-z]*[0-9]?)(-Qt-([0-9\.]+))?.(win32|win\-amd64)(-py([0-9\.]+))?(-setup)?\.exe'

# SOURCE_PATTERN defines what an acceptable source package name is

# As of 2014-09-08 :

# - the wheel package format is accepte in source directory

# - the tricky regexp is tuned also to support the odd jolib naming :

# . joblib-0.8.3_r1-py2.py3-none-any.whl,

# . joblib-0.8.3-r1.tar.gz

SOURCE_PATTERN = r'([a-zA-Z0-9\-\_\.]*)-([0-9\.\_]*[a-z]*[0-9]?)(\.zip|\.tar\.gz|\-[a-z\.0-9]*\-none\-any\.whl)'

def get_source_package_infos(fname):

"""Return a tuple (name, version) of the Python source package"""

match = re.match(SOURCE_PATTERN, osp.basename(fname))

if match is not None:

return match.groups()[:2]

def build_wininst(root, python_exe=None, copy_to=None,

architecture=None, verbose=False):

"""Build wininst installer from Python package located in *root*

and eventually copy it to *copy_to* folder.

Return wininst installer full path."""

if python_exe is None:

python_exe = sys.executable

assert osp.isfile(python_exe)

cmd = [python_exe, 'setup.py', 'build']

if architecture is not None:

archstr = 'win32' if architecture == 32 else 'win-amd64'

cmd += ['--plat-name=%s' % archstr]

cmd += ['bdist_wininst']

if verbose:

subprocess.call(cmd, cwd=root)

else:

p = subprocess.Popen(cmd, cwd=root, stdout=subprocess.PIPE,

stderr=subprocess.PIPE)

p.communicate()

p.stdout.close()

p.stderr.close()

distdir = osp.join(root, 'dist')

if not osp.isdir(distdir):

raise RuntimeError("Build failed: see package README file for further"

" details regarding installation requirements.\n\n"

"For more concrete debugging infos, please try to build "

"the package from the command line:\n"

"1. Open a WinPython command prompt\n"

"2. Change working directory to the appropriate folder\n"

"3. Type `python setup.py build install`")

pattern = WININST_PATTERN.replace(r'(win32|win\-amd64)', archstr)

for distname in os.listdir(distdir):

match = re.match(pattern, distname)

if match is not None:

break

else:

raise RuntimeError("Build failed: not a pure Python package?")

src_fname = osp.join(distdir, distname)

if copy_to is None:

return src_fname

else:

dst_fname = osp.join(copy_to, distname)

shutil.move(src_fname, dst_fname)

if verbose:

print(("Move: %s --> %s" % (src_fname, (dst_fname))))

return dst_fname

def source_to_wininst(fname, python_exe=None,

architecture=None, verbose=False):

"""Extract source archive, build it and create a distutils installer"""

tmpdir = extract_archive(fname)

root = osp.join(tmpdir, '%s-%s' % get_source_package_infos(fname))

assert osp.isdir(root)

return build_wininst(root, python_exe=python_exe,

copy_to=osp.dirname(fname),

architecture=architecture, verbose=verbose)

def build_wheel(this_whl, python_exe=None, copy_to=None,

architecture=None, verbose=False, install_options=None):

"""Execute the wheel (without dependancies)"""

if python_exe is None:

python_exe = sys.executable

assert osp.isfile(python_exe)

myroot = os.path.dirname(python_exe)

cmd = [python_exe, myroot + r'\Scripts\pip-script.py', 'install']

if install_options:

cmd += install_options # typically ['--no-deps']

print('wheel install_options', install_options)

cmd += [this_whl]

if verbose:

subprocess.call(cmd, cwd=myroot)

else:

p = subprocess.Popen(cmd, cwd=myroot, stdout=subprocess.PIPE,

stderr=subprocess.PIPE)

p.communicate()

p.stdout.close()

p.stderr.close()

src_fname = this_whl

if copy_to is None:

return src_fname

else:

if verbose:

print("Installed %s" % src_fname)

return src_fname

def wheel_to_wininst(fname, python_exe=None,

architecture=None, verbose=False, install_options=None):

"""Just install a wheel !"""

return build_wheel(fname, python_exe=python_exe,

copy_to=osp.dirname(fname),

architecture=architecture, verbose=verbose,

install_options=install_options)

if __name__ == '__main__':

gcc = get_gcc_version(osp.join(BASE_DIR, 'tools.win32', 'mingw32', 'bin'))

print(("gcc version: %r" % gcc))

thg = get_thg_version(osp.join(BASE_DIR, 'tools', 'tortoisehg'))

print(("thg version: %r" % thg))

print_box("Test")

dname = sys.prefix

print((dname+':', '\n', get_python_infos(dname)))

# dname = r'E:\winpython\sandbox\python-2.7.3'

# print dname+':', '\n', get_python_infos(dname)

tmpdir = r'D:\Tests\winpython_tests'

if not osp.isdir(tmpdir):

os.mkdir(tmpdir)

print((extract_archive(osp.join(BASE_DIR, 'packages.win-amd64',

'winpython-0.3dev.win-amd64.exe'),

tmpdir)))

# extract_exe(osp.join(tmpdir,

# 'PyQwt-5.2.0-py2.6-x64-pyqt4.8.6-numpy1.6.1-1.exe'))

# extract_exe(osp.join(tmpdir, 'PyQt-Py2.7-x64-gpl-4.8.6-1.exe'))

# path = r'D:\Pierre\_test\xlrd-0.8.0.tar.gz'

# source_to_wininst(path)

winpython/winpython/utils.py at master · svisser/winpython · GitHub

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