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Datatables UI #22

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6066be5
make cprofile results sortable using datatables jquery plugin and boo…
Dec 14, 2015
b5771ea
sorting now handled by datatables; removing depricated functionality
Dec 14, 2015
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99 changes: 64 additions & 35 deletions cprofilev.py
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Original file line number Diff line number Diff line change
Expand Up @@ -34,17 +34,33 @@
<html>
<head>
<title>{{ title }} | cProfile Results</title>
<link rel="stylesheet" type="text/css" href="https://cdnjs.cloudflare.com/ajax/libs/twitter-bootstrap/3.3.6/css/bootstrap.min.css">
<link rel="stylesheet" type="text/css" href="https://cdnjs.cloudflare.com/ajax/libs/datatables/1.10.10/css/dataTables.bootstrap.min.css">
</head>
<body>
<pre>{{ !stats }}</pre>

% if callers:
<h2>Called By:</h2>
<pre>{{ !callers }}</pre>

% if callees:
<h2>Called:</h2>
<pre>{{ !callees }}</pre>
<div class="container">
<pre>{{ !stats_header }}</pre>
<table class="table table-striped">{{ !stats_table }}</table>
<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/2.1.4/jquery.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/twitter-bootstrap/3.3.6/js/bootstrap.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/datatables/1.10.10/js/jquery.dataTables.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/datatables/1.10.10/js/dataTables.bootstrap.min.js"></script>
<script>
$(document).ready(function(){
$('table').DataTable({
"order": [[3, "desc"]]
});
});
</script>

% if callers:
<h2>Called By:</h2>
<pre>{{ !callers }}</pre>

% if callees:
<h2>Called:</h2>
<pre>{{ !callees }}</pre>
</div> <!-- .container -->
</body>
</html>"""

Expand All @@ -57,14 +73,6 @@ class Stats(object):
"""Wrapper around pstats.Stats class."""

IGNORE_FUNC_NAMES = ['function', '']
DEFAULT_SORT_ARG = 'cumulative'
SORT_ARGS = {
'ncalls': 'calls',
'tottime': 'time',
'cumtime': 'cumulative',
'filename': 'module',
'lineno': 'nfl',
}

STATS_LINE_REGEX = r'(.*)\((.*)\)$'
HEADER_LINE_REGEX = r'ncalls|tottime|cumtime'
Expand All @@ -87,15 +95,6 @@ def read(self):

@classmethod
def process_line(cls, line):
# Format header lines (such that clicking on a column header sorts by
# that column).
if re.search(cls.HEADER_LINE_REGEX, line):
for key, val in cls.SORT_ARGS.items():
url_link = bottle.template(
"<a href='{{ url }}'>{{ key }}</a>",
url=cls.get_updated_href(SORT_KEY, val),
key=key)
line = line.replace(key, url_link)
# Format stat lines (such that clicking on the function name drills into
# the function call).
match = re.search(cls.STATS_LINE_REGEX, line)
Expand Down Expand Up @@ -133,11 +132,41 @@ def show_callees(self, func_name):
self.stats.print_callees(func_name)
return self

def sort(self, sort=''):
sort = sort or self.DEFAULT_SORT_ARG
self.stats.sort_stats(sort)
return self

def get_stats_header(self, stats_str):
header = ''
for line in stats_str.splitlines():
if re.search(self.HEADER_LINE_REGEX, line):
break
header += line + '\n'
return header

def iter_stats_table_row(self, stats_str):
# rows in the stats table are formatted in a really simple way. the
# first 5 columns are separated by whitespace. the fifth column extends
# to the end of the line
in_table = False
for line in stats_str.splitlines():
if re.search(self.HEADER_LINE_REGEX, line):
in_table = True
cols = line.split()
if in_table and cols:
row = cols[:5] + [' '.join(cols[5:])]
yield row

def format_stats_table(self, stats_str):
table_dom = []
col_el = 'th'
for row in self.iter_stats_table_row(stats_str):
row_dom = '<tr>'
for col in row:
row_dom += '<%s>%s</%s>' % (col_el, col, col_el)
row += '</tr>'
col_el = 'td'
table_dom.append(row_dom)
table_dom[0] = '<thead>' + table_dom[0] + '</thead>'
table_dom[1] = '<tbody>' + table_dom[1]
table_dom[-1] = table_dom[-1] + '</tbody>'
return '\n'.join(table_dom)

class CProfileV(object):
def __init__(self, profile, title, address='127.0.0.1', port=4000):
Expand All @@ -154,14 +183,14 @@ def route_handler(self):
self.stats = Stats(self.profile)

func_name = bottle.request.query.get(FUNC_NAME_KEY) or ''
sort = bottle.request.query.get(SORT_KEY) or ''

self.stats.sort(sort)
callers = self.stats.show_callers(func_name).read() if func_name else ''
callees = self.stats.show_callees(func_name).read() if func_name else ''
stats_str = self.stats.show(func_name).read()
data = {
'title': self.title,
'stats': self.stats.sort(sort).show(func_name).read(),
'stats_header': self.stats.get_stats_header(stats_str),
'stats_table': self.stats.format_stats_table(stats_str),
'callers': callers,
'callees': callees,
}
Expand Down Expand Up @@ -210,7 +239,7 @@ def main():
if len(args.remainder) < 0:
parser.print_help()
sys.exit(2)

# Note: The info message is sent to stderr to keep stdout clean in case
# the profiled script writes some output to stdout
sys.stderr.write(info + "\n")
Expand Down