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# -*- coding: utf-8 -*-
#
# Copyright © 2012 Pierre Raybaut
# 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
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,
)
#==============================================================================
# https://stackoverflow.com/questions/580924/how-to-access-a-files-properties-on-windows
def getFileProperties(fname):
#==============================================================================
"""
Read all properties of the given file return them as a dictionary.
"""
import win32api
propNames = ('Comments', 'InternalName', 'ProductName',
'CompanyName', 'LegalCopyright', 'ProductVersion',
'FileDescription', 'LegalTrademarks', 'PrivateBuild',
'FileVersion', 'OriginalFilename', 'SpecialBuild')
props = {'FixedFileInfo': None, 'StringFileInfo': None, 'FileVersion': None}
try:
# backslash as parm returns dictionary of numeric info corresponding to VS_FIXEDFILEINFO struc
fixedInfo = win32api.GetFileVersionInfo(fname, '\\')
props['FixedFileInfo'] = fixedInfo
props['FileVersion'] = "%d.%d.%d.%d" % (fixedInfo['FileVersionMS'] / 65536,
fixedInfo['FileVersionMS'] % 65536, fixedInfo['FileVersionLS'] / 65536,
fixedInfo['FileVersionLS'] % 65536)
# \VarFileInfo\Translation returns list of available (language, codepage)
# pairs that can be used to retreive string info. We are using only the first pair.
lang, codepage = win32api.GetFileVersionInfo(fname, '\\VarFileInfo\\Translation')[0]
# any other must be of the form \StringfileInfo\%04X%04X\parm_name, middle
# two are language/codepage pair returned from above
strInfo = {}
for propName in propNames:
strInfoPath = u'\\StringFileInfo\\%04X%04X\\%s' % (lang, codepage, propName)
## print str_info
strInfo[propName] = win32api.GetFileVersionInfo(fname, strInfoPath)
props['StringFileInfo'] = strInfo
except:
pass
return props
# =============================================================================
# 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 exec_run_cmd(args, path=None):
"""run a single command (*args* is a list of arguments) in optional *path*"""
# only applicable to Python-3.5+
# python-3.7+ allows to replace "stdout and stderr ", per "capture_output=True"
if path:
process = subprocess.run(args,
stdout=subprocess.PIPE,
stderr=subprocess.PIPE,
cwd=path)
else:
process = subprocess.run(args,
stdout=subprocess.PIPE,
stderr=subprocess.PIPE)
return decode_fs_string(process.stdout)
def get_r_version(path):
"""Return version of the R installed in *path*"""
return (
exec_shell_cmd('dir ..\README.R*', path)
.splitlines()[-3]
.split("-")[-1]
)
def get_julia_version(path):
"""Return version of the Julia installed in *path*"""
return (
exec_shell_cmd('julia.exe -v', path)
.splitlines()[0]
.split(" ")[-1]
)
def get_nodejs_version(path):
"""Return version of the Nodejs installed in *path*"""
return exec_shell_cmd('node -v', path).splitlines()[0]
def get_npmjs_version(path):
"""Return version of the Nodejs installed in *path*"""
return exec_shell_cmd('npm -v', path).splitlines()[0]
def get_pandoc_version(path):
"""Return version of the Pandoc executable in *path*"""
return (
exec_shell_cmd('pandoc -v', path)
.splitlines()[0]
.split(" ")[-1]
)
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
# =============================================================================
# Patch chebang line (courtesy of Christoph Gohlke)
# =============================================================================
def patch_shebang_line(
fname, pad=b' ', to_movable=True, targetdir=""
):
"""Remove absolute path to python.exe in shebang lines, or re-add it"""
import re
import sys
import os
target_dir = targetdir # movable option
if to_movable == False:
target_dir = os.path.abspath(os.path.dirname(fname))
target_dir = (
os.path.abspath(os.path.join(target_dir, r'..'))
+ '\\'
)
executable = sys.executable
if sys.version_info[0] == 2:
shebang_line = re.compile(
r"(#!.*pythonw?\.exe)"
) # Python2.7
else:
shebang_line = re.compile(
b"(#!.*pythonw?\.exe)"
) # Python3+
target_dir = target_dir.encode('utf-8')
with open(fname, 'rb') as fh:
initial_content = fh.read()
fh.close
fh = None
content = shebang_line.split(
initial_content, maxsplit=1
)
if len(content) != 3:
return
exe = os.path.basename(content[1][2:])
content[1] = (
b'#!' + target_dir + exe
) # + (pad * (len(content[1]) - len(exe) - 2))
final_content = b''.join(content)
if initial_content == final_content:
return
try:
with open(fname, 'wb') as fo:
fo.write(final_content)
fo.close
fo = None
print("patched", fname)
except Exception:
print("failed to patch", fname)
# =============================================================================
# Patch shebang line in .py files
# =============================================================================
def patch_shebang_line_py(
fname, to_movable=True, targetdir=""
):
"""Changes shebang line in '.py' file to relative or absolue path"""
import fileinput
import re
import sys
if sys.version_info[0] == 2:
# Python 2.x doesn't create .py files for .exe files. So, Moving
# WinPython doesn't break running executable files.
return
if to_movable:
exec_path = '#!.\python.exe'
else:
exec_path = '#!' + sys.executable
for line in fileinput.input(fname, inplace=True):
if re.match('^#\!.*python\.exe$', line) is not None:
print(exec_path)
else:
print(line, end='')
# =============================================================================
# Patch sourcefile (instead of forking packages)
# =============================================================================
def patch_sourcefile(
fname, in_text, out_text, silent_mode=False
):
"""Replace a string in a source file"""
import io
if osp.isfile(fname) and not in_text == out_text:
with io.open(fname, 'r') as fh:
content = fh.read()
new_content = content.replace(in_text, out_text)
if not new_content == content:
if not silent_mode:
print(
"patching ",
fname,
"from",
in_text,
"to",
out_text,
)
with io.open(fname, 'wt') as fh:
fh.write(new_content)
# =============================================================================
# Patch sourcelines (instead of forking packages)
# =============================================================================
def patch_sourcelines(
fname,
in_line_start,
out_line,
endline='\n',
silent_mode=False,
):
"""Replace the middle of lines between in_line_start and endline """
import io
import os.path as osp
if osp.isfile(fname):
with io.open(fname, 'r') as fh:
contents = fh.readlines()
content = "".join(contents)
for l in range(len(contents)):
if contents[l].startswith(in_line_start):
begining, middle = (
in_line_start,
contents[l][len(in_line_start) :],
)
ending = ""
if middle.find(endline) > 0:
ending = endline + endline.join(
middle.split(endline)[1:]
)
middle = middle.split(endline)[0]
middle = out_line
new_line = begining + middle + ending
if not new_line == contents[l]:
if not silent_mode:
print(
"patching ",
fname,
" from\n",
contents[l],
"\nto\n",
new_line,
)
contents[l] = new_line
new_content = "".join(contents)
if not new_content == content:
# if not silent_mode:
# print("patching ", fname, "from", content, "to", new_content)
with io.open(fname, 'wt') as fh:
try:
fh.write(new_content)
except:
print(
"impossible to patch",
fname,
"from",
content,
"to",
new_content,
)
# =============================================================================
# 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_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()
else:
try:
os.mkdir(targetdir)
except:
pass
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|\-(py[2-7]*|py[2-7]*\.py[2-7]*)\-none\-any\.whl)'
# WHEELBIN_PATTERN defines what an acceptable binary wheel package is
# "cp([0-9]*)" to replace per cp(34) for python3.4
# "win32|win\_amd64" to replace per "win\_amd64" for 64bit
WHEELBIN_PATTERN = r'([a-zA-Z0-9\-\_\.]*)-([0-9\.\_]*[a-z0-9\+]*[0-9]?)-cp([0-9]*)\-[0-9|c|o|n|e|p|m]*\-(win32|win\_amd64)\.whl'
def get_source_package_infos(fname):
"""Return a tuple (name, version) of the Python source package"""
if fname[-4:] == '.whl':
return osp.basename(fname).split("-")[:2]
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,
installer='bdist_wininst',
):
"""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 += [installer]
# root = a tmp dir in windows\tmp,
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
# for wheels (winpython here)
match = re.match(SOURCE_PATTERN, distname)
if match is not None:
break
match = re.match(WHEELBIN_PATTERN, distname)
if match is not None:
break
else:
raise RuntimeError(
"Build failed: not a pure Python package? %s"
% distdir
)
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))
)
)
# remove tempo dir 'root' no more needed
shutil.rmtree(root, onerror=onerror)
return dst_fname
def direct_pip_install(
fname,
python_exe=None,
architecture=None,
verbose=False,
install_options=None,
):
"""Direct install via pip !"""
copy_to = osp.dirname(fname)
if python_exe is None:
python_exe = sys.executable
assert osp.isfile(python_exe)
myroot = os.path.dirname(python_exe)
cmd = [python_exe, '-m', 'pip', 'install']
if install_options:
cmd += install_options # typically ['--no-deps']
print('pip install_options', install_options)
cmd += [fname]
if verbose:
subprocess.call(cmd, cwd=myroot)
else:
p = subprocess.Popen(
cmd,
cwd=myroot,
stdout=subprocess.PIPE,
stderr=subprocess.PIPE,
)
stdout, stderr = p.communicate()
the_log = "%s" % stdout + "\n %s" % stderr
if (
' not find ' in the_log
or ' not found ' in the_log
):
print("Failed to Install: \n %s \n" % fname)
print("msg: %s" % the_log)
raise RuntimeError
p.stdout.close()
p.stderr.close()
src_fname = fname
if copy_to is None:
return src_fname
else:
if verbose:
print("Installed %s" % src_fname)
return src_fname
def do_script(
this_script,
python_exe=None,
copy_to=None,
architecture=None,
verbose=False,
install_options=None,
):
"""Execute a script (get-pip typically)"""
if python_exe is None:
python_exe = sys.executable
myroot = os.path.dirname(python_exe)
# cmd = [python_exe, myroot + r'\Scripts\pip-script.py', 'install']
cmd = [python_exe]
if install_options:
cmd += install_options # typically ['--no-deps']
print('script install_options', install_options)
if this_script:
cmd += [this_script]
# print('build_wheel', myroot, cmd)
print("Executing ", cmd)
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()
if verbose:
print("Executed " % cmd)
return 'ok'
if __name__ == '__main__':
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(
r'D:\WinP\bd37',
'packages.win-amd64',
'python-3.7.3.amd64.zip',
),
tmpdir,
)
)
)