do not print source excerpts in bugs.txt

Summary:public
bugs.txt only contains the summary of each report. The terminal output contains
a bit more information, such as source excerpts. If one wants to save the
terminal output into a file, they can always use shell redirection anyway.

closes #294

Reviewed By: martinoluca

Differential Revision: D3023796

fb-gh-sync-id: 9a21d17
shipit-source-id: 9a21d17

infer/lib/python/inferlib/issues.py

@@ -174,12 +174,15 @@ def text_of_report(report):
     )
 
 
-def _text_of_report_list(reports):
+def _text_of_report_list(reports, formatter=source.TERMINAL_FORMATTER):
     text_errors_list = []
     error_types_count = {}
     for report in reports:
         filename = report[JSON_INDEX_FILENAME]
         line = report[JSON_INDEX_LINE]
+
+        source_context = ''
+        if formatter is not None:
             source_context = source.build_source_context(
                 filename,
                 source.TERMINAL_FORMATTER,
@@ -188,8 +191,9 @@ def _text_of_report_list(reports):
             indenter = source.Indenter() \
                              .indent_push() \
                              .add(source_context)
-        source_context = unicode(indenter)
-        text = '%s\n%s' % (text_of_report(report), source_context)
+            source_context = '\n' + unicode(indenter)
+
+        text = '%s%s' % (text_of_report(report), source_context)
         text_errors_list.append(text)
 
         t = report[JSON_INDEX_TYPE]
@@ -205,7 +209,7 @@ def _text_of_report_list(reports):
     n_issues = len(text_errors_list)
     if n_issues == 0:
         return 'No issues found'
-    else:
+
     max_type_length = max(map(len, error_types_count.keys())) + 2
     sorted_error_types = error_types_count.items()
     sorted_error_types.sort(key=operator.itemgetter(1), reverse=True)
@@ -216,7 +220,7 @@ def _text_of_report_list(reports):
 
     text_errors = '\n\n'.join(text_errors_list)
 
-        msg = '\nFound %s\n\n%s\n\nSummary of the reports:\n\n%s' % (
+    msg = 'Found %s\n\n%s\n\nSummary of the reports:\n\n%s' % (
         utils.get_plural('issue', n_issues),
         text_errors,
         '\n'.join(types_text_list),
@@ -234,11 +238,10 @@ def _is_user_visible(report):
 def print_and_save_errors(json_report, bugs_out):
     errors = utils.load_json_from_path(json_report)
     errors = filter(_is_user_visible, errors)
-    text = _text_of_report_list(errors)
-    utils.stdout(text)
+    utils.stdout('\n' + _text_of_report_list(errors))
     with codecs.open(bugs_out, 'w',
                      encoding=config.LOCALE, errors='replace') as file_out:
-        file_out.write(text)
+        file_out.write(_text_of_report_list(errors, formatter=None))
 
 
 def merge_reports_from_paths(report_paths):