read errors from json instead of csv

Summary: public
This also fixes an issue with utf-8 in source code, as the csv report filters
out non-ascii characters.

Reviewed By: akotulski

Differential Revision: D2641727

fb-gh-sync-id: 3ca6dc6

infer/lib/python/BuckAnalyze

@@ -448,7 +448,7 @@ def collect_results(args, start_time):
         report.flush()
 
     print('\n')
-    analyze.print_errors(csv_report, bugs_out)
+    analyze.print_errors(json_report, bugs_out)
 
     stats['int']['total_time'] = int(round(utils.elapsed_time(start_time)))
 

infer/lib/python/inferlib/analyze.py

@@ -394,25 +394,23 @@ def print_and_write(file_out, message):
     file_out.write(message + '\n')
 
 
-def print_errors(csv_report, bugs_out):
-    with codecs.open(csv_report, 'r', encoding=utils.LOCALE) as file_in:
-        reader = utils.locale_csv_reader(file_in)
-        reader.next()  # first line is header, skip it
+def print_errors(json_report, bugs_out):
+    with codecs.open(json_report, 'r', encoding=utils.LOCALE) as file_in:
+        errors = json.load(file_in)
 
         errors = filter(
-            lambda row: row[utils.CSV_INDEX_KIND] in [ERROR, WARNING],
-            reader
-        )
+            lambda row: row[utils.JSON_INDEX_KIND] in [ERROR, WARNING],
+            errors)
 
         with codecs.open(bugs_out, 'w', encoding=utils.LOCALE) as file_out:
             text_errors_list = []
             for row in errors:
-                filename = row[utils.CSV_INDEX_FILENAME]
+                filename = row[utils.JSON_INDEX_FILENAME]
                 if os.path.isfile(filename):
-                    kind = row[utils.CSV_INDEX_KIND]
-                    line = row[utils.CSV_INDEX_LINE]
-                    error_type = row[utils.CSV_INDEX_TYPE]
-                    msg = row[utils.CSV_INDEX_QUALIFIER]
+                    kind = row[utils.JSON_INDEX_KIND]
+                    line = row[utils.JSON_INDEX_LINE]
+                    error_type = row[utils.JSON_INDEX_TYPE]
+                    msg = row[utils.JSON_INDEX_QUALIFIER]
                     indenter = utils.Indenter()
                     indenter.indent_push()
                     indenter.add(
@@ -761,11 +759,11 @@ class Infer:
                 self.read_proc_stats()
                 self.print_analysis_stats()
                 if report_status == os.EX_OK and not self.args.buck:
-                    csv_report = os.path.join(self.args.infer_out,
-                                              utils.CSV_REPORT_FILENAME)
+                    json_report = os.path.join(self.args.infer_out,
+                                               utils.JSON_REPORT_FILENAME)
                     bugs_out = os.path.join(self.args.infer_out,
                                             utils.BUGS_FILENAME)
-                    print_errors(csv_report, bugs_out)
+                    print_errors(json_report, bugs_out)
 
     def print_analysis_stats(self):
         procs_total = self.stats['int']['procedures']