Source code for pymyinstall.installcustom.install_custom_7z

Various functions to install some applications such as `7z <>`_.

from __future__ import print_function
import sys
import re
import os

from ..installhelper.install_cmd_helper import run_cmd
from .install_custom import download_page, download_file

[docs]def install_7z( temp_folder=".", fLOG=print, install=True, force_download=False, version=None): """ Install `7z <>`_. It does not do it a second time if it is already installed. :param temp_folder: where to download the setup :param fLOG: logging function :param install: install (otherwise only download) :param force_download: force the downloading of 7z :param version: specify a version (unused) :return: temporary file :githublink:`%|py|26` """ if version is not None: raise ValueError("cannot specify a version") link = "" page = download_page(link) if sys.platform.startswith("win"): reg = re.compile("href=\\\"(.*?x64[.]msi)\\\"") alls = reg.findall(page) if len(alls) == 0: raise Exception( "unable to find a link on a .msi file on page: " + link + "\n" + page) url = "/".join(link.split("/")[:-1]) + "/" + alls[0] full = url.split("/")[-1] outfile = os.path.join(temp_folder, full) local = download_file(url, outfile, fLOG=fLOG) if install: run_cmd("msiexec /i " + local, fLOG=fLOG, wait=True) return local else: raise NotImplementedError("not available on platform " + sys.platform)