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How to use PHANTOMJS method in Selene

Best Python code snippet using selene_python

dependencies.py

Source:dependencies.py

1''' Utilities for checking dependencies2'''3from importlib import import_module4import logging5import shutil6from subprocess import Popen, PIPE7from packaging.version import Version as V8from ..settings import settings9logger = logging.getLogger(__name__)10def import_optional(mod_name):11    ''' Attempt to import an optional dependency.12    Silently returns None if the requested module is not available.13    Args:14        mod_name (str) : name of the optional module to try to import15    Returns:16        imported module or None, if import fails17    '''18    try:19        return import_module(mod_name)20    except ImportError:21        pass22    except Exception:23        msg = "Failed to import optional module `{}`".format(mod_name)24        logger.exception(msg)25def import_required(mod_name, error_msg):26    ''' Attempt to import a required dependency.27    Raises a RuntimeError if the requested module is not available.28    Args:29        mod_name (str) : name of the required module to try to import30        error_msg (str) : error message to raise when the module is missing31    Returns:32        imported module33    Raises:34        RuntimeError35    '''36    try:37        return import_module(mod_name)38    except ImportError:39        raise RuntimeError(error_msg)40def detect_phantomjs(version='2.1'):41    ''' Detect if PhantomJS is avaiable in PATH, at a minimum version.42    Args:43        version (str, optional) :44            Required minimum version for PhantomJS (mostly for testing)45    Returns:46        str, path to PhantomJS47    '''48    if settings.phantomjs_path() is not None:49        phantomjs_path = settings.phantomjs_path()50    else:51        if hasattr(shutil, "which"):52            phantomjs_path = shutil.which("phantomjs") or "phantomjs"53        else:54            # Python 2 relies on Environment variable in PATH - attempt to use as follows55            phantomjs_path = "phantomjs"56    try:57        proc = Popen([phantomjs_path, "--version"], stdout=PIPE, stderr=PIPE)58        proc.wait()59        out = proc.communicate()60        if len(out[1]) > 0:61            raise RuntimeError('Error encountered in PhantomJS detection: %r' % out[1].decode('utf8'))62        required = V(version)63        installed = V(out[0].decode('utf8'))64        if installed < required:65            raise RuntimeError('PhantomJS version to old. Version>=%s required, installed: %s' % (required, installed))66    except OSError:67        raise RuntimeError('PhantomJS is not present in PATH. Try "conda install phantomjs" or \68            "npm install -g phantomjs-prebuilt"')...

install-phantomjs

Source:install-phantomjs

1#!/usr/bin/env python2from __future__ import print_function3import os4import sys5import platform6import subprocess7sys.path.append(os.path.join(os.path.dirname(__file__), '..', '..'))8from scripts.lib.zulip_tools import run9if platform.architecture()[0] == '64bit':10    phantomjs_arch = 'x86_64'11elif platform.architecture()[0] == '32bit':12    phantomjs_arch = 'i686'13PHANTOMJS_PATH = "/srv/phantomjs"14if "--travis" in sys.argv:15    PHANTOMJS_PATH = os.path.join(os.environ['HOME'], "phantomjs")16PHANTOMJS_BASENAME = "phantomjs-1.9.8-linux-%s" % (phantomjs_arch,)17PHANTOMJS_TARBALL_BASENAME = PHANTOMJS_BASENAME + ".tar.bz2"18PHANTOMJS_TARBALL = os.path.join(PHANTOMJS_PATH, PHANTOMJS_TARBALL_BASENAME)19PHANTOMJS_URL = "https://github.com/zulip/zulip-dist-phantomjs/blob/master/%s?raw=true" % (PHANTOMJS_TARBALL_BASENAME,)20if not os.path.exists(PHANTOMJS_TARBALL):21    run(["sudo", "mkdir", "-p", PHANTOMJS_PATH])22    run(["sudo", "curl", '-J', '-L', PHANTOMJS_URL, "-o", PHANTOMJS_TARBALL])23    run(["sudo", "tar", "-xj", "--directory", PHANTOMJS_PATH,24         "--file", PHANTOMJS_TARBALL])25    run(["sudo", "ln", "-sf", os.path.join(PHANTOMJS_PATH, PHANTOMJS_BASENAME,26                                           "bin", "phantomjs"),27         "/usr/local/bin/phantomjs"])28else:...

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