add functional for get spider log

esi/scraper/service.py

 from datetime import datetime
+from urllib.request import urlopen
 from scrapyd_api import ScrapydAPI
 from .models import Job
 
@@ -38,3 +39,10 @@ class Service:
         job.status = 'DEL'
         job.save()
 
+    def get_log(self, job):
+        job = Job.objects.get(pk=job)
+        url = 'http://127.0.0.1:6800/logs/exa/mhn/{}.log'.format(job.job_uuid)
+        response = urlopen(url)
+        return response.read()
+
+

esi/scraper/views.py

@@ -35,6 +35,9 @@ class JobListView(ListView):
             self.service.delete_job(job_id)
         if action == 'new':
             return HttpResponseRedirect(reverse('new_job'))
+        if action == 'log':
+            log = self.service.get_log(job_id)
+            return HttpResponse(log, content_type='text/plain')
 
         return HttpResponseRedirect(reverse('job_list'))