How to disable or change the path of ghostdriver.log?

Question

Question is straightfoward, but some context may help.

I'm trying to deploy scrapy while using selenium and phantomjs as downloader. But the problem is that it keeps on saying permission denied when trying to deploy. So I want to change the path of ghostdriver.log or just disable it. Looking at phantomjs -h and ghostdriver github page I couldn't find the answer, my friend google let me down also.

$ scrapy deploy
Building egg of crawler-1370960743
'build/scripts-2.7' does not exist -- can't clean it
zip_safe flag not set; analyzing archive contents...
tests.fake_responses.__init__: module references __file__
Deploying crawler-1370960743 to http://localhost:6800/addversion.json
Server response (200):
Traceback (most recent call last):
  File "/usr/lib/pymodules/python2.7/scrapyd/webservice.py", line 18, in render
    return JsonResource.render(self, txrequest)
  File "/usr/lib/pymodules/python2.7/scrapy/utils/txweb.py", line 10, in render
    r = resource.Resource.render(self, txrequest)
  File "/usr/lib/python2.7/dist-packages/twisted/web/resource.py", line 216, in render
    return m(request)
  File "/usr/lib/pymodules/python2.7/scrapyd/webservice.py", line 66, in render_POST
    spiders = get_spider_list(project)
  File "/usr/lib/pymodules/python2.7/scrapyd/utils.py", line 65, in get_spider_list
    raise RuntimeError(msg.splitlines()[-1])
RuntimeError: IOError: [Errno 13] Permission denied: 'ghostdriver.log

Answer 1

When using the PhantomJS driver add the following parameter:

driver = webdriver.PhantomJS(service_log_path='/var/log/phantomjs/ghostdriver.log')

Related code, would be nice to have an option to turn off logging though, seems thats not supported:

selenium/webdriver/phantomjs/service.py

class Service(object):
    """
    Object that manages the starting and stopping of PhantomJS / Ghostdriver
    """

    def __init__(self, executable_path, port=0, service_args=None, log_path=None):
        """
        Creates a new instance of the Service

        :Args:
         - executable_path : Path to PhantomJS binary
         - port : Port the service is running on
         - service_args : A List of other command line options to pass to PhantomJS
         - log_path: Path for PhantomJS service to log to
        """

        self.port = port
        self.path = executable_path
        self.service_args= service_args
        if self.port == 0:
            self.port = utils.free_port()
        if self.service_args is None:
            self.service_args = []
        self.service_args.insert(0, self.path)
        self.service_args.append("--webdriver=%d" % self.port)
        if not log_path:
            log_path = "ghostdriver.log"
        self._log = open(log_path, 'w')

Answer 2

    #Reduce logging level
    driver = webdriver.PhantomJS(service_args=["--webdriver-loglevel=SEVERE"])

    #Remove logging
    import os
    driver = webdriver.PhantomJS(service_log_path=os.path.devnull)