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|
# Lint as: python3
# Copyright (C) 2019 The Android Open Source Project
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
"""Emit warning messages to html or csv files."""
# Many functions in this module have too many arguments to be refactored.
# pylint:disable=too-many-arguments,missing-function-docstring
# To emit html page of warning messages:
# flags: --byproject, --url, --separator
# Old stuff for static html components:
# html_script_style: static html scripts and styles
# htmlbig:
# dump_stats, dump_html_prologue, dump_html_epilogue:
# emit_buttons:
# dump_fixed
# sort_warnings:
# emit_stats_by_project:
# all_patterns,
# findproject, classify_warning
# dump_html
#
# New dynamic HTML page's static JavaScript data:
# Some data are copied from Python to JavaScript, to generate HTML elements.
# FlagPlatform flags.platform
# FlagURL flags.url, used by 'android'
# FlagSeparator flags.separator, used by 'android'
# SeverityColors: list of colors for all severity levels
# SeverityHeaders: list of headers for all severity levels
# SeverityColumnHeaders: list of column_headers for all severity levels
# ProjectNames: project_names, or project_list[*][0]
# WarnPatternsSeverity: warn_patterns[*]['severity']
# WarnPatternsDescription: warn_patterns[*]['description']
# WarningMessages: warning_messages
# Warnings: warning_records
# StatsHeader: warning count table header row
# StatsRows: array of warning count table rows
#
# New dynamic HTML page's dynamic JavaScript data:
#
# New dynamic HTML related function to emit data:
# escape_string, strip_escape_string, emit_warning_arrays
# emit_js_data():
from __future__ import print_function
import csv
import html
import sys
# pylint:disable=relative-beyond-top-level
from .severity import Severity
HTML_HEAD_SCRIPTS = """\
<script type="text/javascript">
function expand(id) {
var e = document.getElementById(id);
var f = document.getElementById(id + "_mark");
if (e.style.display == 'block') {
e.style.display = 'none';
f.innerHTML = '⊕';
}
else {
e.style.display = 'block';
f.innerHTML = '⊖';
}
};
function expandCollapse(show) {
for (var id = 1; ; id++) {
var e = document.getElementById(id + "");
var f = document.getElementById(id + "_mark");
if (!e || !f) break;
e.style.display = (show ? 'block' : 'none');
f.innerHTML = (show ? '⊖' : '⊕');
}
};
</script>
<style type="text/css">
th,td{border-collapse:collapse; border:1px solid black;}
.button{color:blue;font-size:110%;font-weight:bolder;}
.bt{color:black;background-color:transparent;border:none;outline:none;
font-size:140%;font-weight:bolder;}
.c0{background-color:#e0e0e0;}
.c1{background-color:#d0d0d0;}
.t1{border-collapse:collapse; width:100%; border:1px solid black;}
</style>
<script src="https://www.gstatic.com/charts/loader.js"></script>
"""
def make_writer(output_stream):
def writer(text):
return output_stream.write(text + '\n')
return writer
def html_big(param):
return '<font size="+2">' + param + '</font>'
def dump_html_prologue(title, writer, warn_patterns, project_names):
writer('<html>\n<head>')
writer('<title>' + title + '</title>')
writer(HTML_HEAD_SCRIPTS)
emit_stats_by_project(writer, warn_patterns, project_names)
writer('</head>\n<body>')
writer(html_big(title))
writer('<p>')
def dump_html_epilogue(writer):
writer('</body>\n</head>\n</html>')
def sort_warnings(warn_patterns):
for i in warn_patterns:
i['members'] = sorted(set(i['members']))
def create_warnings(warn_patterns, project_names):
"""Creates warnings s.t.
warnings[p][s] is as specified in above docs.
Args:
warn_patterns: list of warning patterns for specified platform
project_names: list of project names
Returns:
2D warnings array where warnings[p][s] is # of warnings in project name p of
severity level s
"""
warnings = {p: {s.value: 0 for s in Severity.levels} for p in project_names}
for pattern in warn_patterns:
value = pattern['severity'].value
for project in pattern['projects']:
warnings[project][value] += pattern['projects'][project]
return warnings
def get_total_by_project(warnings, project_names):
"""Returns dict, project as key and # warnings for that project as value."""
return {
p: sum(warnings[p][s.value] for s in Severity.levels)
for p in project_names
}
def get_total_by_severity(warnings, project_names):
"""Returns dict, severity as key and # warnings of that severity as value."""
return {
s.value: sum(warnings[p][s.value] for p in project_names)
for s in Severity.levels
}
def emit_table_header(total_by_severity):
"""Returns list of HTML-formatted content for severity stats."""
stats_header = ['Project']
for severity in Severity.levels:
if total_by_severity[severity.value]:
stats_header.append(
'<span style=\'background-color:{}\'>{}</span>'.format(
severity.color, severity.column_header))
stats_header.append('TOTAL')
return stats_header
def emit_row_counts_per_project(warnings, total_by_project, total_by_severity,
project_names):
"""Returns total project warnings and row of stats for each project.
Args:
warnings: output of create_warnings(warn_patterns, project_names)
total_by_project: output of get_total_by_project(project_names)
total_by_severity: output of get_total_by_severity(project_names)
project_names: list of project names
Returns:
total_all_projects, the total number of warnings over all projects
stats_rows, a 2d list where each row is [Project Name, <severity counts>,
total # warnings for this project]
"""
total_all_projects = 0
stats_rows = []
for p_name in project_names:
if total_by_project[p_name]:
one_row = [p_name]
for severity in Severity.levels:
if total_by_severity[severity.value]:
one_row.append(warnings[p_name][severity.value])
one_row.append(total_by_project[p_name])
stats_rows.append(one_row)
total_all_projects += total_by_project[p_name]
return total_all_projects, stats_rows
def emit_row_counts_per_severity(total_by_severity, stats_header, stats_rows,
total_all_projects, writer):
"""Emits stats_header and stats_rows as specified above.
Args:
total_by_severity: output of get_total_by_severity()
stats_header: output of emit_table_header()
stats_rows: output of emit_row_counts_per_project()
total_all_projects: output of emit_row_counts_per_project()
writer: writer returned by make_writer(output_stream)
"""
total_all_severities = 0
one_row = ['<b>TOTAL</b>']
for severity in Severity.levels:
if total_by_severity[severity.value]:
one_row.append(total_by_severity[severity.value])
total_all_severities += total_by_severity[severity.value]
one_row.append(total_all_projects)
stats_rows.append(one_row)
writer('<script>')
emit_const_string_array('StatsHeader', stats_header, writer)
emit_const_object_array('StatsRows', stats_rows, writer)
writer(DRAW_TABLE_JAVASCRIPT)
writer('</script>')
def emit_stats_by_project(writer, warn_patterns, project_names):
"""Dump a google chart table of warnings per project and severity."""
warnings = create_warnings(warn_patterns, project_names)
total_by_project = get_total_by_project(warnings, project_names)
total_by_severity = get_total_by_severity(warnings, project_names)
stats_header = emit_table_header(total_by_severity)
total_all_projects, stats_rows = emit_row_counts_per_project(
warnings, total_by_project, total_by_severity, project_names)
emit_row_counts_per_severity(total_by_severity, stats_header, stats_rows,
total_all_projects, writer)
def dump_stats(writer, warn_patterns):
"""Dump some stats about total number of warnings and such."""
known = 0
skipped = 0
unknown = 0
sort_warnings(warn_patterns)
for i in warn_patterns:
if i['severity'] == Severity.UNMATCHED:
unknown += len(i['members'])
elif i['severity'] == Severity.SKIP:
skipped += len(i['members'])
else:
known += len(i['members'])
writer('Number of classified warnings: <b>' + str(known) + '</b><br>')
writer('Number of skipped warnings: <b>' + str(skipped) + '</b><br>')
writer('Number of unclassified warnings: <b>' + str(unknown) + '</b><br>')
total = unknown + known + skipped
extra_msg = ''
if total < 1000:
extra_msg = ' (low count may indicate incremental build)'
writer('Total number of warnings: <b>' + str(total) + '</b>' + extra_msg)
# New base table of warnings, [severity, warn_id, project, warning_message]
# Need buttons to show warnings in different grouping options.
# (1) Current, group by severity, id for each warning pattern
# sort by severity, warn_id, warning_message
# (2) Current --byproject, group by severity,
# id for each warning pattern + project name
# sort by severity, warn_id, project, warning_message
# (3) New, group by project + severity,
# id for each warning pattern
# sort by project, severity, warn_id, warning_message
def emit_buttons(writer):
"""Write the button elements in HTML."""
writer('<button class="button" onclick="expandCollapse(1);">'
'Expand all warnings</button>\n'
'<button class="button" onclick="expandCollapse(0);">'
'Collapse all warnings</button>\n'
'<button class="button" onclick="groupBySeverity();">'
'Group warnings by severity</button>\n'
'<button class="button" onclick="groupByProject();">'
'Group warnings by project</button><br>')
def all_patterns(category):
patterns = ''
for i in category['patterns']:
patterns += i
patterns += ' / '
return patterns
def dump_fixed(writer, warn_patterns):
"""Show which warnings no longer occur."""
anchor = 'fixed_warnings'
mark = anchor + '_mark'
writer('\n<br><p style="background-color:lightblue"><b>'
'<button id="' + mark + '" '
'class="bt" onclick="expand(\'' + anchor + '\');">'
'⊕</button> Fixed warnings. '
'No more occurrences. Please consider turning these into '
'errors if possible, before they are reintroduced in to the build'
':</b></p>')
writer('<blockquote>')
fixed_patterns = []
for i in warn_patterns:
if not i['members']:
fixed_patterns.append(i['description'] + ' (' + all_patterns(i) + ')')
fixed_patterns = sorted(fixed_patterns)
writer('<div id="' + anchor + '" style="display:none;"><table>')
cur_row_class = 0
for text in fixed_patterns:
cur_row_class = 1 - cur_row_class
# remove last '\n'
out_text = text[:-1] if text[-1] == '\n' else text
writer('<tr><td class="c' + str(cur_row_class) + '">' + out_text + '</td></tr>')
writer('</table></div>')
writer('</blockquote>')
def write_severity(csvwriter, sev, kind, warn_patterns):
"""Count warnings of given severity and write CSV entries to writer."""
total = 0
for pattern in warn_patterns:
if pattern['severity'] == sev and pattern['members']:
num_members = len(pattern['members'])
total += num_members
warning = kind + ': ' + (pattern['description'] or '?')
csvwriter.writerow([num_members, '', warning])
# print number of warnings for each project, ordered by project name
projects = sorted(pattern['projects'].keys())
for project in projects:
csvwriter.writerow([pattern['projects'][project], project, warning])
csvwriter.writerow([total, '', kind + ' warnings'])
return total
def dump_csv(csvwriter, warn_patterns):
"""Dump number of warnings in CSV format to writer."""
sort_warnings(warn_patterns)
total = 0
for severity in Severity.levels:
total += write_severity(csvwriter, severity, severity.column_header, warn_patterns)
csvwriter.writerow([total, '', 'All warnings'])
def dump_csv_with_description(csvwriter, warning_records, warning_messages,
warn_patterns, project_names):
"""Outputs all the warning messages by project."""
csv_output = []
for record in warning_records:
project_name = project_names[record[1]]
pattern = warn_patterns[record[0]]
severity = pattern['severity'].header
category = pattern['category']
description = pattern['description']
warning = warning_messages[record[2]]
csv_output.append([project_name, severity,
category, description,
warning])
csv_output = sorted(csv_output)
for output in csv_output:
csvwriter.writerow(output)
# Return line with escaped backslash and quotation characters.
def escape_string(line):
return line.replace('\\', '\\\\').replace('"', '\\"')
# Return line without trailing '\n' and escape the quotation characters.
def strip_escape_string(line):
if not line:
return line
line = line[:-1] if line[-1] == '\n' else line
return escape_string(line)
def emit_warning_array(name, writer, warn_patterns):
writer('var warning_{} = ['.format(name))
for pattern in warn_patterns:
if name == 'severity':
writer('{},'.format(pattern[name].value))
else:
writer('{},'.format(pattern[name]))
writer('];')
def emit_warning_arrays(writer, warn_patterns):
emit_warning_array('severity', writer, warn_patterns)
writer('var warning_description = [')
for pattern in warn_patterns:
if pattern['members']:
writer('"{}",'.format(escape_string(pattern['description'])))
else:
writer('"",') # no such warning
writer('];')
SCRIPTS_FOR_WARNING_GROUPS = """
function compareMessages(x1, x2) { // of the same warning type
return (WarningMessages[x1[2]] <= WarningMessages[x2[2]]) ? -1 : 1;
}
function byMessageCount(x1, x2) {
return x2[2] - x1[2]; // reversed order
}
function bySeverityMessageCount(x1, x2) {
// orer by severity first
if (x1[1] != x2[1])
return x1[1] - x2[1];
return byMessageCount(x1, x2);
}
const ParseLinePattern = /^([^ :]+):(\\d+):(.+)/;
function addURL(line) { // used by Android
if (FlagURL == "") return line;
if (FlagSeparator == "") {
return line.replace(ParseLinePattern,
"<a target='_blank' href='" + FlagURL + "/$1'>$1</a>:$2:$3");
}
return line.replace(ParseLinePattern,
"<a target='_blank' href='" + FlagURL + "/$1" + FlagSeparator +
"$2'>$1:$2</a>:$3");
}
function addURLToLine(line, link) { // used by Chrome
let line_split = line.split(":");
let path = line_split.slice(0,3).join(":");
let msg = line_split.slice(3).join(":");
let html_link = `<a target="_blank" href="${link}">${path}</a>${msg}`;
return html_link;
}
function createArrayOfDictionaries(n) {
var result = [];
for (var i=0; i<n; i++) result.push({});
return result;
}
function groupWarningsBySeverity() {
// groups is an array of dictionaries,
// each dictionary maps from warning type to array of warning messages.
var groups = createArrayOfDictionaries(SeverityColors.length);
for (var i=0; i<Warnings.length; i++) {
var w = Warnings[i][0];
var s = WarnPatternsSeverity[w];
var k = w.toString();
if (!(k in groups[s]))
groups[s][k] = [];
groups[s][k].push(Warnings[i]);
}
return groups;
}
function groupWarningsByProject() {
var groups = createArrayOfDictionaries(ProjectNames.length);
for (var i=0; i<Warnings.length; i++) {
var w = Warnings[i][0];
var p = Warnings[i][1];
var k = w.toString();
if (!(k in groups[p]))
groups[p][k] = [];
groups[p][k].push(Warnings[i]);
}
return groups;
}
var GlobalAnchor = 0;
function createWarningSection(header, color, group) {
var result = "";
var groupKeys = [];
var totalMessages = 0;
for (var k in group) {
totalMessages += group[k].length;
groupKeys.push([k, WarnPatternsSeverity[parseInt(k)], group[k].length]);
}
groupKeys.sort(bySeverityMessageCount);
for (var idx=0; idx<groupKeys.length; idx++) {
var k = groupKeys[idx][0];
var messages = group[k];
var w = parseInt(k);
var wcolor = SeverityColors[WarnPatternsSeverity[w]];
var description = WarnPatternsDescription[w];
if (description.length == 0)
description = "???";
GlobalAnchor += 1;
result += "<table class='t1'><tr bgcolor='" + wcolor + "'><td>" +
"<button class='bt' id='" + GlobalAnchor + "_mark" +
"' onclick='expand(\\"" + GlobalAnchor + "\\");'>" +
"⊕</button> " +
description + " (" + messages.length + ")</td></tr></table>";
result += "<div id='" + GlobalAnchor +
"' style='display:none;'><table class='t1'>";
var c = 0;
messages.sort(compareMessages);
if (FlagPlatform == "chrome") {
for (var i=0; i<messages.length; i++) {
result += "<tr><td class='c" + c + "'>" +
addURLToLine(WarningMessages[messages[i][2]], WarningLinks[messages[i][3]]) + "</td></tr>";
c = 1 - c;
}
} else {
for (var i=0; i<messages.length; i++) {
result += "<tr><td class='c" + c + "'>" +
addURL(WarningMessages[messages[i][2]]) + "</td></tr>";
c = 1 - c;
}
}
result += "</table></div>";
}
if (result.length > 0) {
return "<br><span style='background-color:" + color + "'><b>" +
header + ": " + totalMessages +
"</b></span><blockquote><table class='t1'>" +
result + "</table></blockquote>";
}
return ""; // empty section
}
function generateSectionsBySeverity() {
var result = "";
var groups = groupWarningsBySeverity();
for (s=0; s<SeverityColors.length; s++) {
result += createWarningSection(SeverityHeaders[s], SeverityColors[s],
groups[s]);
}
return result;
}
function generateSectionsByProject() {
var result = "";
var groups = groupWarningsByProject();
for (i=0; i<groups.length; i++) {
result += createWarningSection(ProjectNames[i], 'lightgrey', groups[i]);
}
return result;
}
function groupWarnings(generator) {
GlobalAnchor = 0;
var e = document.getElementById("warning_groups");
e.innerHTML = generator();
}
function groupBySeverity() {
groupWarnings(generateSectionsBySeverity);
}
function groupByProject() {
groupWarnings(generateSectionsByProject);
}
"""
# Emit a JavaScript const string
def emit_const_string(name, value, writer):
writer('const ' + name + ' = "' + escape_string(value) + '";')
# Emit a JavaScript const integer array.
def emit_const_int_array(name, array, writer):
writer('const ' + name + ' = [')
for item in array:
writer(str(item) + ',')
writer('];')
# Emit a JavaScript const string array.
def emit_const_string_array(name, array, writer):
writer('const ' + name + ' = [')
for item in array:
writer('"' + strip_escape_string(item) + '",')
writer('];')
# Emit a JavaScript const string array for HTML.
def emit_const_html_string_array(name, array, writer):
writer('const ' + name + ' = [')
for item in array:
writer('"' + html.escape(strip_escape_string(item)) + '",')
writer('];')
# Emit a JavaScript const object array.
def emit_const_object_array(name, array, writer):
writer('const ' + name + ' = [')
for item in array:
writer(str(item) + ',')
writer('];')
def emit_js_data(writer, flags, warning_messages, warning_links,
warning_records, warn_patterns, project_names):
"""Dump dynamic HTML page's static JavaScript data."""
emit_const_string('FlagPlatform', flags.platform, writer)
emit_const_string('FlagURL', flags.url, writer)
emit_const_string('FlagSeparator', flags.separator, writer)
emit_const_string_array('SeverityColors', [s.color for s in Severity.levels],
writer)
emit_const_string_array('SeverityHeaders',
[s.header for s in Severity.levels], writer)
emit_const_string_array('SeverityColumnHeaders',
[s.column_header for s in Severity.levels], writer)
emit_const_string_array('ProjectNames', project_names, writer)
# pytype: disable=attribute-error
emit_const_int_array('WarnPatternsSeverity',
[w['severity'].value for w in warn_patterns], writer)
# pytype: enable=attribute-error
emit_const_html_string_array('WarnPatternsDescription',
[w['description'] for w in warn_patterns],
writer)
emit_const_html_string_array('WarningMessages', warning_messages, writer)
emit_const_object_array('Warnings', warning_records, writer)
if flags.platform == 'chrome':
emit_const_html_string_array('WarningLinks', warning_links, writer)
DRAW_TABLE_JAVASCRIPT = """
google.charts.load('current', {'packages':['table']});
google.charts.setOnLoadCallback(drawTable);
function drawTable() {
var data = new google.visualization.DataTable();
data.addColumn('string', StatsHeader[0]);
for (var i=1; i<StatsHeader.length; i++) {
data.addColumn('number', StatsHeader[i]);
}
data.addRows(StatsRows);
for (var i=0; i<StatsRows.length; i++) {
for (var j=0; j<StatsHeader.length; j++) {
data.setProperty(i, j, 'style', 'border:1px solid black;');
}
}
var table = new google.visualization.Table(
document.getElementById('stats_table'));
table.draw(data, {allowHtml: true, alternatingRowStyle: true});
}
"""
def dump_html(flags, output_stream, warning_messages, warning_links,
warning_records, header_str, warn_patterns, project_names):
"""Dump the flags output to output_stream."""
writer = make_writer(output_stream)
dump_html_prologue('Warnings for ' + header_str, writer, warn_patterns,
project_names)
dump_stats(writer, warn_patterns)
writer('<br><div id="stats_table"></div><br>')
writer('\n<script>')
emit_js_data(writer, flags, warning_messages, warning_links, warning_records,
warn_patterns, project_names)
writer(SCRIPTS_FOR_WARNING_GROUPS)
writer('</script>')
emit_buttons(writer)
# Warning messages are grouped by severities or project names.
writer('<br><div id="warning_groups"></div>')
if flags.byproject:
writer('<script>groupByProject();</script>')
else:
writer('<script>groupBySeverity();</script>')
dump_fixed(writer, warn_patterns)
dump_html_epilogue(writer)
def write_html(flags, project_names, warn_patterns, html_path, warning_messages,
warning_links, warning_records, header_str):
"""Write warnings html file."""
if html_path:
with open(html_path, 'w') as outf:
dump_html(flags, outf, warning_messages, warning_links, warning_records,
header_str, warn_patterns, project_names)
def write_out_csv(flags, warn_patterns, warning_messages, warning_links,
warning_records, header_str, project_names):
"""Write warnings csv file."""
if flags.csvpath:
with open(flags.csvpath, 'w') as outf:
dump_csv(csv.writer(outf, lineterminator='\n'), warn_patterns)
if flags.csvwithdescription:
with open(flags.csvwithdescription, 'w') as outf:
dump_csv_with_description(csv.writer(outf, lineterminator='\n'),
warning_records, warning_messages,
warn_patterns, project_names)
if flags.gencsv:
dump_csv(csv.writer(sys.stdout, lineterminator='\n'), warn_patterns)
else:
dump_html(flags, sys.stdout, warning_messages, warning_links,
warning_records, header_str, warn_patterns, project_names)
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