Async daily report.

Change-Id: I1821253709461836cf9dca2cef2db59433d46add

Author: georges-arm

lnt/server/reporting/dailyreport.py

@@ -43,19 +43,19 @@ def __init__(self, ts, year, month, day, num_prior_days_to_include=3,
         self.result_table = None
         self.nr_tests_table = None
 
-    def get_query_parameters_string(self):
+    def get_query_parameters_string(self, sep='&', filter_machine_regex_str=None):
         query_params = [
             "{}={}".format(
                 urllib.parse.quote_plus(query_param), urllib.parse.quote_plus(str(value)))
             for query_param, value in (
                 ("day_start", self.day_start_offset.seconds // 3600),
                 ("num_days", self.num_prior_days_to_include),
-                ("filter-machine-regex", self.filter_machine_regex_str),)
+                ("filter-machine-regex", filter_machine_regex_str or self.filter_machine_regex_str),)
             if value is not None]
         # Use & instead of plain & to make sure legal XML is
         # produced, so that the unit tests can parse the output using
         # python's built-in XML parser.
-        return "&".join(query_params)
+        return sep.join(query_params)
 
     def get_key_run(self, machine, day_index):
         """
@@ -80,7 +80,7 @@ def get_key_run(self, machine, day_index):
         # Select a key run arbitrarily.
         return runs[0]
 
-    def build(self, session):
+    def build(self, session, partial_report=False):
         ts = self.ts
 
         # Construct datetime instances for the report range.
@@ -151,6 +151,9 @@ def is_recent_order(r):
         self.reporting_machines = list(set(r.machine for r in relevant_runs))
         self.reporting_machines.sort(key=lambda m: m.name)
 
+        if partial_report:
+            return
+
         # We aspire to present a "lossless" report, in that we don't ever hide
         # any possible change due to aggregation. In addition, we want to make
         # it easy to see the relation of results across all the reporting
@@ -313,13 +316,17 @@ def find_most_recent_run_with_samples(day_nr):
                 nr_tests_for_machine.append(nr_tests_seen)
             self.nr_tests_table.append((machine, nr_tests_for_machine))
 
-    def render(self, ts_url, only_html_body=True):
+    def render(self, ts_url, only_html_body=True, async_report=False):
         # Strip any trailing slash on the testsuite URL.
         if ts_url.endswith('/'):
             ts_url = ts_url[:-1]
 
+        source = 'reporting/daily_report.html'
+        if async_report:
+            source = 'reporting/daily_report_async.html'
+
         env = lnt.server.ui.app.create_jinja_environment()
-        template = env.get_template('reporting/daily_report.html')
+        template = env.get_template(source)
 
         return template.render(
             report=self, styles=report_css_styles, analysis=lnt.server.reporting.analysis,