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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 Package Manager
Created on Fri Aug 03 14:32:26 2012
"""
from __future__ import print_function
import os
import os.path as osp
import shutil
import re
import sys
import subprocess
# Local imports
from winpython import utils
from winpython.config import DATA_PATH
from winpython.py3compat import configparser as cp
# from former wppm separate script launcher
from argparse import ArgumentParser
from winpython import py3compat
# import information reader
# importlib_metadata before Python 3.8
try:
from importlib import metadata as metadata # Python-3.8
metadata = metadata.metadata
except:
try:
from importlib_metadata import metadata # <Python-3.8
except:
metadata = None # nothing available
# Workaround for installing PyVISA on Windows from source:
os.environ['HOME'] = os.environ['USERPROFILE']
# pep503 defines normalized package names: www.python.org/dev/peps/pep-0503
def normalize(name):
""" return normalized (unique) name of a package"""
return re.sub(r"[-_.]+", "-", name).lower()
def get_official_description(name):
"""Extract package Summary description from pypi.org"""
from winpython import utils
this = normalize(name)
this_len = len(this)
pip_ask = ['pip', 'search', this, '--retries', '0']
if len(this)<2: # don't ask stupid things
return ''
try:
# .run work when .popen fails when no internet
pip_res = (utils.exec_run_cmd(pip_ask)+'\n').splitlines()
pip_filter = [l for l in pip_res if this + " (" ==
normalize(l[:this_len])+l[this_len:this_len+2]]
pip_desc = (pip_filter[0][len(this)+1:]).split(" - ", 1)[1]
return pip_desc.replace("://", " ")
except:
return ''
def get_package_metadata(database, name, gotoWWW=False, update=False):
"""Extract infos (description, url) from the local database"""
# Note: we could use the PyPI database but this has been written on
# machine which is not connected to the internet
# we store only normalized names now (PEP 503)
db = cp.ConfigParser()
db.readfp(open(osp.join(DATA_PATH, database)))
my_metadata = dict(
description='',
url='https://pypi.org/project/' + name,
)
for key in my_metadata:
# wheel replace '-' per '_' in key
for name2 in (name, normalize(name)):
try:
my_metadata[key] = db.get(name2, key)
break
except (cp.NoSectionError, cp.NoOptionError):
pass
db_desc = my_metadata.get('description')
if my_metadata.get('description') == '' and metadata:
# nothing in package.ini, we look in our installed packages
try:
my_metadata['description']=(
metadata(name)['Summary']+'\n').splitlines()[0]
except:
pass
if my_metadata['description'] == '' and gotoWWW:
# still nothing, try look on pypi
the_official = get_official_description(name)
if the_official != '':
my_metadata['description'] = the_official
if update == True and db_desc == '' and my_metadata['description'] != '':
# we add new findings in our packgages.ini list, if it's required
try:
db[normalize(name)] = {}
db[normalize(name)]['description'] = my_metadata['description']
with open(osp.join(DATA_PATH, database), 'w') as configfile:
db.write(configfile)
except:
pass
return my_metadata
class BasePackage(object):
def __init__(self, fname):
self.fname = fname
self.name = None
self.version = None
self.architecture = None
self.pyversion = None
self.description = None
self.url = None
def __str__(self):
text = "%s %s" % (self.name, self.version)
pytext = ""
if self.pyversion is not None:
pytext = " for Python %s" % self.pyversion
if self.architecture is not None:
if not pytext:
pytext = " for Python"
pytext += " %dbits" % self.architecture
text += "%s\n%s\nWebsite: %s\n[%s]" % (
pytext,
self.description,
self.url,
osp.basename(self.fname),
)
return text
def is_compatible_with(self, distribution):
"""Return True if package is compatible with distribution in terms of
architecture and Python version (if applyable)"""
iscomp = True
if self.architecture is not None:
# Source distributions (not yet supported though)
iscomp = (
iscomp
and self.architecture
== distribution.architecture
)
if self.pyversion is not None:
# Non-pure Python package
iscomp = (
iscomp
and self.pyversion == distribution.version
)
return iscomp
def extract_optional_infos(self, update=False):
"""Extract package optional infos (description, url)
from the package database"""
metadata = get_package_metadata(
'packages.ini', self.name, True, update=update
)
for key, value in list(metadata.items()):
setattr(self, key, value)
class Package(BasePackage):
def __init__(self, fname, update=False):
BasePackage.__init__(self, fname)
self.files = []
self.extract_infos()
self.extract_optional_infos(update=update)
def extract_infos(self):
"""Extract package infos (name, version, architecture)
from filename (installer basename)"""
bname = osp.basename(self.fname)
if bname.endswith(('32.whl', '64.whl')):
# {name}[-{bloat}]-{version}-{python tag}-{abi tag}-{platform tag}.whl
# ['sounddevice','0.3.5','py2.py3.cp34.cp35','none','win32']
# PyQt5-5.7.1-5.7.1-cp34.cp35.cp36-none-win_amd64.whl
bname2 = bname[:-4].split("-")
self.name = bname2[0]
self.version = '-'.join(list(bname2[1:-3]))
self.pywheel, abi, arch = bname2[-3:]
self.pyversion = (
None
) # Let's ignore this self.pywheel
# wheel arch is 'win32' or 'win_amd64'
self.architecture = (
32 if arch == 'win32' else 64
)
return
elif bname.endswith(('.zip', '.tar.gz', '.whl')):
# distutils sdist
infos = utils.get_source_package_infos(bname)
if infos is not None:
self.name, self.version = infos
return
raise NotImplementedError(
"Not supported package type %s" % bname
)
class WininstPackage(BasePackage):
def __init__(self, fname, distribution):
BasePackage.__init__(self, fname)
self.logname = None
self.distribution = distribution
self.architecture = distribution.architecture
self.pyversion = distribution.version
self.extract_infos()
self.extract_optional_infos()
def extract_infos(self):
"""Extract package infos (name, version, architecture)"""
match = re.match(
r'Remove([a-zA-Z0-9\-\_\.]*)\.exe', self.fname
)
if match is None:
return
self.name = match.groups()[0]
self.logname = '%s-wininst.log' % self.name
fd = open(
osp.join(
self.distribution.target, self.logname
),
'U',
)
searchtxt = 'DisplayName='
for line in fd.readlines():
pos = line.find(searchtxt)
if pos != -1:
break
else:
return
fd.close()
match = re.match(
r'Python %s %s-([0-9\.]*)'
% (self.pyversion, self.name),
line[pos + len(searchtxt) :],
)
if match is None:
return
self.version = match.groups()[0]
def uninstall(self):
"""Uninstall package"""
subprocess.call(
[self.fname, '-u', self.logname],
cwd=self.distribution.target,
)
class Distribution(object):
def __init__(
self, target=None, verbose=False, indent=False
):
self.target = target
self.verbose = verbose
self.indent = indent
# if no target path given, take the current python interpreter one
if self.target is None:
self.target = os.path.dirname(sys.executable)
self.to_be_removed = (
[]
) # list of directories to be removed later
self.version, self.architecture = utils.get_python_infos(
target
)
def clean_up(self):
"""Remove directories which couldn't be removed when building"""
for path in self.to_be_removed:
try:
shutil.rmtree(path, onerror=utils.onerror)
except WindowsError:
print(
"Directory %s could not be removed"
% path,
file=sys.stderr,
)
def remove_directory(self, path):
"""Try to remove directory -- on WindowsError, remove it later"""
try:
shutil.rmtree(path)
except WindowsError:
self.to_be_removed.append(path)
def copy_files(
self,
package,
targetdir,
srcdir,
dstdir,
create_bat_files=False,
):
"""Add copy task"""
srcdir = osp.join(targetdir, srcdir)
if not osp.isdir(srcdir):
return
offset = len(srcdir) + len(os.pathsep)
for dirpath, dirnames, filenames in os.walk(srcdir):
for dname in dirnames:
t_dname = osp.join(dirpath, dname)[offset:]
src = osp.join(srcdir, t_dname)
dst = osp.join(dstdir, t_dname)
if self.verbose:
print("mkdir: %s" % dst)
full_dst = osp.join(self.target, dst)
if not osp.exists(full_dst):
os.mkdir(full_dst)
package.files.append(dst)
for fname in filenames:
t_fname = osp.join(dirpath, fname)[offset:]
src = osp.join(srcdir, t_fname)
if dirpath.endswith('_system32'):
# Files that should be copied in %WINDIR%\system32
dst = fname
else:
dst = osp.join(dstdir, t_fname)
if self.verbose:
print("file: %s" % dst)
full_dst = osp.join(self.target, dst)
shutil.move(src, full_dst)
package.files.append(dst)
name, ext = osp.splitext(dst)
if create_bat_files and ext in ('', '.py'):
dst = name + '.bat'
if self.verbose:
print("file: %s" % dst)
full_dst = osp.join(self.target, dst)
fd = open(full_dst, 'w')
fd.write(
"""@echo off
python "%~dpn0"""
+ ext
+ """" %*"""
)
fd.close()
package.files.append(dst)
def create_file(self, package, name, dstdir, contents):
"""Generate data file -- path is relative to distribution root dir"""
dst = osp.join(dstdir, name)
if self.verbose:
print("create: %s" % dst)
full_dst = osp.join(self.target, dst)
open(full_dst, 'w').write(contents)
package.files.append(dst)
def get_installed_packages(self, update=False):
"""Return installed packages"""
# Include package installed via pip (not via WPPM)
wppm = []
try:
if (
os.path.dirname(sys.executable)
== self.target
):
# direct way: we interrogate ourself, using official API
import pkg_resources, imp
imp.reload(pkg_resources)
pip_list = [
(i.key, i.version)
for i in pkg_resources.working_set
]
else:
# indirect way: we interrogate something else
cmdx = [
osp.join(self.target, 'python.exe'),
'-c',
"import pip;from pip._internal.utils.misc import get_installed_distributions as pip_get_installed_distributions ;print('+!+'.join(['%s@+@%s@+@' % (i.key,i.version) for i in pip_get_installed_distributions()]))",
]
p = subprocess.Popen(
cmdx,
shell=True,
stdout=subprocess.PIPE,
cwd=self.target,
)
stdout, stderr = p.communicate()
start_at = (
2 if sys.version_info >= (3, 0) else 0
)
pip_list = [
line.split("@+@")[:2]
for line in ("%s" % stdout)[
start_at:
].split("+!+")
]
# there are only Packages installed with pip now
# create pip package list
wppm = [
Package(
'%s-%s-py2.py3-none-any.whl'
% (i[0].replace('-', '_').lower(), i[1])
, update=update)
for i in pip_list
]
except:
pass
return sorted(
wppm, key=lambda tup: tup.name.lower()
)
def find_package(self, name):
"""Find installed package"""
for pack in self.get_installed_packages():
if normalize(pack.name) == normalize(name):
return pack
def uninstall_existing(self, package):
"""Uninstall existing package (or package name)"""
if isinstance(package, str):
pack = self.find_package(package)
else:
pack = self.find_package(package.name)
if pack is not None:
self.uninstall(pack)
def patch_all_shebang(
self,
to_movable=True,
max_exe_size=999999,
targetdir="",
):
"""make all python launchers relatives"""
import glob
import os
for ffname in glob.glob(
r'%s\Scripts\*.exe' % self.target
):
size = os.path.getsize(ffname)
if size <= max_exe_size:
utils.patch_shebang_line(
ffname,
to_movable=to_movable,
targetdir=targetdir,
)
for ffname in glob.glob(
r'%s\Scripts\*.py' % self.target
):
utils.patch_shebang_line_py(
ffname,
to_movable=to_movable,
targetdir=targetdir,
)
def install(self, package, install_options=None):
"""Install package in distribution"""
assert package.is_compatible_with(self)
# wheel addition
if package.fname.endswith(
('.whl', '.tar.gz', '.zip')
):
self.install_bdist_direct(
package, install_options=install_options
)
self.handle_specific_packages(package)
# minimal post-install actions
self.patch_standard_packages(package.name)
def do_pip_action(
self, actions=None, install_options=None
):
"""Do pip action in a distribution"""
my_list = install_options
if my_list is None:
my_list = []
my_actions = actions
if my_actions is None:
my_actions = []
executing = osp.join(
self.target, '..', 'scripts', 'env.bat'
)
if osp.isfile(executing):
complement = [
r'&&',
'cd',
'/D',
self.target,
r'&&',
osp.join(self.target, 'python.exe'),
]
complement += ['-m', 'pip']
else:
executing = osp.join(self.target, 'python.exe')
complement = ['-m', 'pip']
try:
fname = utils.do_script(
this_script=None,
python_exe=executing,
architecture=self.architecture,
verbose=self.verbose,
install_options=complement
+ my_actions
+ my_list,
)
except RuntimeError:
if not self.verbose:
print("Failed!")
raise
def patch_standard_packages(
self, package_name='', to_movable=True
):
"""patch Winpython packages in need"""
import filecmp
# 'pywin32' minimal post-install (pywin32_postinstall.py do too much)
if (
package_name.lower() == "pywin32"
or package_name == ''
):
origin = self.target + (
r"\Lib\site-packages\pywin32_system32"
)
destin = self.target
if osp.isdir(origin):
for name in os.listdir(origin):
here, there = (
osp.join(origin, name),
osp.join(destin, name),
)
if not os.path.exists(
there
) or not filecmp.cmp(here, there):
shutil.copyfile(here, there)
# 'pip' to do movable launchers (around line 100) !!!!
# rational: https://github.com/pypa/pip/issues/2328
if (
package_name.lower() == "pip"
or package_name == ''
):
# ensure pip will create movable launchers
# sheb_mov1 = classic way up to WinPython 2016-01
# sheb_mov2 = tried way, but doesn't work for pip (at least)
sheb_fix = " executable = get_executable()"
sheb_mov1 = " executable = os.path.join(os.path.basename(get_executable()))"
sheb_mov2 = " executable = os.path.join('..',os.path.basename(get_executable()))"
if to_movable:
utils.patch_sourcefile(
self.target
+ r"\Lib\site-packages\pip\_vendor\distlib\scripts.py",
sheb_fix,
sheb_mov1,
)
utils.patch_sourcefile(
self.target
+ r"\Lib\site-packages\pip\_vendor\distlib\scripts.py",
sheb_mov2,
sheb_mov1,
)
else:
utils.patch_sourcefile(
self.target
+ r"\Lib\site-packages\pip\_vendor\distlib\scripts.py",
sheb_mov1,
sheb_fix,
)
utils.patch_sourcefile(
self.target
+ r"\Lib\site-packages\pip\_vendor\distlib\scripts.py",
sheb_mov2,
sheb_fix,
)
# ensure pip wheel will register relative PATH in 'RECORD' files
# will be in standard pip 8.0.3
utils.patch_sourcefile(
self.target
+ (r"\Lib\site-packages\pip\wheel.py"),
" writer.writerow((f, h, l))",
" writer.writerow((normpath(f, lib_dir), h, l))",
)
# create movable launchers for previous package installations
self.patch_all_shebang(to_movable=to_movable)
if (
package_name.lower() == "spyder"
or package_name == ''
):
# spyder don't goes on internet without I ask
utils.patch_sourcefile(
self.target
+ (
r"\Lib\site-packages\spyderlib\config\main.py"
),
"'check_updates_on_startup': True,",
"'check_updates_on_startup': False,",
)
utils.patch_sourcefile(
self.target
+ (
r"\Lib\site-packages\spyder\config\main.py"
),
"'check_updates_on_startup': True,",
"'check_updates_on_startup': False,",
)
# workaround bad installers
if package_name.lower() == "numba":
self.create_pybat(['numba', 'pycc'])
else:
self.create_pybat(package_name.lower())
def create_pybat(
self,
names='',
contents=r"""@echo off
..\python "%~dpn0" %*""",
):
"""Create launcher batch script when missing"""
scriptpy = osp.join(
self.target, 'Scripts'
) # std Scripts of python
if not list(names) == names:
my_list = [
f
for f in os.listdir(scriptpy)
if '.' not in f and f.startswith(names)
]
else:
my_list = names
for name in my_list:
if osp.isdir(scriptpy) and osp.isfile(
osp.join(scriptpy, name)
):
if not osp.isfile(
osp.join(scriptpy, name + '.exe')
) and not osp.isfile(
osp.join(scriptpy, name + '.bat')
):
fd = open(
osp.join(scriptpy, name + '.bat'),
'w',
)
fd.write(contents)
fd.close()
def handle_specific_packages(self, package):
"""Packages requiring additional configuration"""
if package.name.lower() in (
'pyqt4',
'pyqt5',
'pyside2',
):
# Qt configuration file (where to find Qt)
name = 'qt.conf'
contents = """[Paths]
Prefix = .
Binaries = ."""
self.create_file(
package,
name,
osp.join(
'Lib', 'site-packages', package.name
),
contents,
)
self.create_file(
package,
name,
'.',
contents.replace(
'.',
'./Lib/site-packages/%s' % package.name,
),
)
# pyuic script
if package.name.lower() == 'pyqt5':
# see http://code.activestate.com/lists/python-list/666469/
tmp_string = r'''@echo off
if "%WINPYDIR%"=="" call "%~dp0..\..\scripts\env.bat"
"%WINPYDIR%\python.exe" -m PyQt5.uic.pyuic %1 %2 %3 %4 %5 %6 %7 %8 %9'''
else:
tmp_string = r'''@echo off
if "%WINPYDIR%"=="" call "%~dp0..\..\scripts\env.bat"
"%WINPYDIR%\python.exe" "%WINPYDIR%\Lib\site-packages\package.name\uic\pyuic.py" %1 %2 %3 %4 %5 %6 %7 %8 %9'''
self.create_file(
package,
'pyuic%s.bat' % package.name[-1],
'Scripts',
tmp_string.replace(
'package.name', package.name
),
)
# Adding missing __init__.py files (fixes Issue 8)
uic_path = osp.join(
'Lib', 'site-packages', package.name, 'uic'
)
for dirname in ('Loader', 'port_v2', 'port_v3'):
self.create_file(
package,
'__init__.py',
osp.join(uic_path, dirname),
'',
)
def _print(self, package, action):
"""Print package-related action text (e.g. 'Installing')
indicating progress"""
text = " ".join(
[action, package.name, package.version]
)
if self.verbose:
utils.print_box(text)
else:
if self.indent:
text = (' ' * 4) + text
print(text + '...', end=" ")
def _print_done(self):
"""Print OK at the end of a process"""
if not self.verbose:
print("OK")
def uninstall(self, package):
"""Uninstall package from distribution"""
self._print(package, "Uninstalling")
if not package.name == 'pip':
# trick to get true target (if not current)
this_executable_path = self.target
subprocess.call(
[
this_executable_path + r'\python.exe',
'-m',
'pip',
'uninstall',
package.name,
'-y',
],
cwd=this_executable_path,
)
# no more legacy, no package are installed by old non-pip means
self._print_done()
def install_bdist_direct(
self, package, install_options=None
):
"""Install a package directly !"""
self._print(
package,
"Installing %s" % package.fname.split(".")[-1],
)
try:
fname = utils.direct_pip_install(
package.fname,
python_exe=osp.join(
self.target, 'python.exe'
),
architecture=self.architecture,
verbose=self.verbose,
install_options=install_options,
)
except RuntimeError:
if not self.verbose:
print("Failed!")
raise
package = Package(fname)
self._print_done()
def install_script(self, script, install_options=None):
try:
fname = utils.do_script(
script,
python_exe=osp.join(
self.target, 'python.exe'
),
architecture=self.architecture,
verbose=self.verbose,
install_options=install_options,
)
except RuntimeError:
if not self.verbose:
print("Failed!")
raise
def main(test=False):
if test:
sbdir = osp.join(
osp.dirname(__file__),
os.pardir,
os.pardir,
os.pardir,
'sandbox',
)
tmpdir = osp.join(sbdir, 'tobedeleted')
# fname = osp.join(tmpdir, 'scipy-0.10.1.win-amd64-py2.7.exe')
fname = osp.join(
sbdir, 'VTK-5.10.0-Qt-4.7.4.win32-py2.7.exe'
)
print(Package(fname))
sys.exit()
target = osp.join(
utils.BASE_DIR,
'build',
'winpython-2.7.3',
'python-2.7.3',
)
fname = osp.join(
utils.BASE_DIR,
'packages.src',
'docutils-0.9.1.tar.gz',
)
dist = Distribution(target, verbose=True)
pack = Package(fname)
print(pack.description)
# dist.install(pack)
# dist.uninstall(pack)
else:
parser = ArgumentParser(
description="WinPython Package Manager: install, "
"uninstall or upgrade Python packages on a Windows "
"Python distribution like WinPython."
)
parser.add_argument(
'fname',
metavar='package',
type=str if py3compat.PY3 else unicode,
help='path to a Python package',
)
parser.add_argument(
'-t',
'--target',
dest='target',
default=sys.prefix,
help='path to target Python distribution '
'(default: "%s")' % sys.prefix,
)
parser.add_argument(
'-i',
'--install',
dest='install',
action='store_const',
const=True,
default=False,
help='install package (this is the default action)',
)
parser.add_argument(
'-u',
'--uninstall',
dest='uninstall',
action='store_const',
const=True,
default=False,
help='uninstall package',
)
args = parser.parse_args()
if args.install and args.uninstall:
raise RuntimeError(
"Incompatible arguments: --install and --uninstall"
)
if not args.install and not args.uninstall:
args.install = True
if not osp.isfile(args.fname) and args.install:
raise IOError("File not found: %s" % args.fname)
if utils.is_python_distribution(args.target):
dist = Distribution(args.target)
try:
if args.uninstall:
package = dist.find_package(args.fname)
dist.uninstall(package)
else:
package = Package(args.fname)
if (
args.install
and package.is_compatible_with(dist)
):
dist.install(package)
else:
raise RuntimeError(
"Package is not compatible with Python "
"%s %dbit"
% (
dist.version,
dist.architecture,
)
)
except NotImplementedError:
raise RuntimeError(
"Package is not (yet) supported by WPPM"
)
else:
raise WindowsError(
"Invalid Python distribution %s"
% args.target
)
if __name__ == '__main__':
main()