Create bwfile passing consensus path

and rm condition about whether the min percentage of measured
relays was reached. It will be checked when writing the file.
Also pass the arg rm_link to write.

sbws/core/generate.py

 from sbws.globals import (fail_hard, SBWS_SCALE_CONSTANT, TORFLOW_SCALING,
                           SBWS_SCALING, TORFLOW_BW_MARGIN, TORFLOW_ROUND_DIG,
                           DAY_SECS, NUM_MIN_RESULTS)
-from sbws.lib.v3bwfile import V3BWFile, is_min_percent_measured
+from sbws.lib.v3bwfile import V3BWFile
 from sbws.lib.resultdump import load_recent_results_in_datadir
 from argparse import ArgumentDefaultsHelpFormatter
 import os
@@ -95,21 +95,18 @@ def main(args, conf):
                     'ran sbws scanner recently?)')
         return
     state_fpath = conf.getpath('paths', 'state_fname')
+    consensus_path = os.path.join(conf.getpath('tor', 'datadir'),
+                                  "cached-consensus")
     bw_file = V3BWFile.from_results(results, state_fpath, args.scale_constant,
                                     scaling_method,
                                     torflow_cap=args.torflow_bw_margin,
                                     torflow_round_digs=args.torflow_round_digs,
                                     secs_recent=args.secs_recent,
                                     secs_away=args.secs_away,
-                                    min_num=args.min_num)
+                                    min_num=args.min_num,
+                                    consensus_path=consensus_path)
 
     output = args.output or \
         conf.getpath('paths', 'v3bw_fname').format(now_fname())
-    # Check percentage of measured relays.
-    consensus_path = os.path.join(conf.getpath('tor', 'datadir'),
-                                  "cached-consensus")
-    if is_min_percent_measured(consensus_path):
-        bw_file.write(output)
-    else:
-        bw_file.rm_link(output)
+    bw_file.write(output, args.rm_link)
     bw_file.info_stats