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svg-histogram-coverage.py
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svg-histogram-coverage.py
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#!/usr/bin/env python
from __future__ import print_function
import sys
import math
import cPickle
from os.path import split
from xml.sax.saxutils import escape
import svgwrite
from pygments import highlight
from pygments.formatters import HtmlFormatter
from pygments.lexers import get_lexer_by_name
from coverage import coverage
cov = coverage()
cov.load()
total_statements = 0
total_lines = 0
total_missing = 0
total_files = 0
total_covered = 0
coverage_data = []
biggest_prefix = None
for fname in cov.data.measured_files():
if fname.startswith('/tmp'): continue # XXX REMOVE
if len(sys.argv) > 1:
match = False
for arg in sys.argv[1:]:
if arg in fname:
match = True
break
if not match:
# print("skip:", fname)
continue
print("doing:", fname)
try:
covdata = cov._analyze(fname)
except Exception:
print("failed:", fname)
continue
if biggest_prefix is None:
biggest_prefix = fname
else:
for (i, ch) in enumerate(fname[:len(biggest_prefix)]):
if ch != biggest_prefix[i]:
biggest_prefix = biggest_prefix[:i]
print("PREFIX", biggest_prefix, fname)
break
if covdata.numbers.n_statements == 0:
print('no statements, ignoring:', fname)
continue
# can't we derive this info. from stuff in coverage?
# "statements"/n_statements isn't every line
if True:
lines = len(open(covdata.filename).readlines())
else:
# actually, ignoring comments etc seems more-sane sometimes
# ...but then the code doesn't "look" right :/
lines = covdata.numbers.n_statements
total_statements += covdata.numbers.n_statements
total_lines += lines
total_missing += covdata.numbers.n_missing
total_files += 1
total_covered += (covdata.numbers.n_statements - covdata.numbers.n_missing)
coverage_data.append((fname, covdata, lines))
line_height = 16
line_height = 32
max_lines = max(map(lambda x: x[1].numbers.n_statements, coverage_data))
max_width = 1920
#max_width = 1024
#max_width = 512
#max_width = 768
max_lines_per_row = max_width / line_height
wrapped_lines = 0
for (fname, covdata, lines) in coverage_data:
rows = max_width / (lines * line_height)
wrapped_lines += rows
print("WRAPPED", wrapped_lines)
width = max_width # * 3
height = (line_height + 1) * (len(coverage_data) + wrapped_lines)
print("height:", height)
coverage_data.sort(lambda a, b: cmp(a[1].numbers.n_statements, b[1].numbers.n_statements))
coverage_data.sort(lambda a, b: cmp(a[0], b[0]))
svgdoc = svgwrite.Drawing(
filename="histogram-coverage.svg",
# size=(str(width) + "px", str(height) + "px"),
size=("100%", "100%"),
viewBox="0 0 %d %d" % (width, height),
style="background-color: #073642;",
# extra=dict(
# )
)
depth = 0
line_anchor_id = 0
all_file_html = open('histogram-coverage-sourcecode.html', 'w')
all_file_html.write('''
<html>
<head>
<style type="text/css">
body, section, article, h2
{
font-family: source code pro, monospace;
font-size: 10px;
}
.yes
{
background-color: #afa;
}
.maybe
{
background-color: #ff7;
}
.no
{
background-color: #faa;
}
</style>
</head>
<body>
<article>
''')
for (fname, covdata, lines) in coverage_data:
percent = float(lines - covdata.numbers.n_missing) / lines
percent = float(covdata.numbers.n_statements - covdata.numbers.n_missing) / covdata.numbers.n_statements
barmax = min(1024, width)
pwid = math.ceil(barmax * percent)
y = depth * (line_height + 1)
all_file_html.write('''\n\n<section>\n <h2>{fname}</h2>\n <pre>'''.format(fname=fname))
if False:
draw.rectangle([256, y, 256 + pwid, y + line_height - 1], fill=(32, 96, 32, 255))
draw.rectangle([256 + pwid, y, width, y + line_height - 1], fill=(96, 32, 32, 255))
if True:
if True: # names-at-front
trunc_fname = fname[len(biggest_prefix):].strip()
#trunc_fname = ('/' + trunc_fname[-29:]).rjust(30, '_')
tx = -256 # how to get length of string in pixels?
glyph_width = line_height - 4
tx = 200 - (len(trunc_fname) * glyph_width)
svgdoc.add(
svgdoc.text(
trunc_fname, insert=(tx, y + line_height - 2 - 4),
fill="#eee",
style="font: {}px monospace;".format(glyph_width),
)
)
greenwidth = int(math.ceil(percent * 256))
svgdoc.add(
svgdoc.rect(
insert=(0, y + 2),
size=(greenwidth, line_height - 2),
fill="rgb(0,255,0)",
opacity=0.2,
)
)
svgdoc.add(
svgdoc.rect(
insert=(greenwidth, y + 2),
size=(256 - greenwidth, line_height - 2),
fill="rgb(255,0,0)",
opacity=0.2,
)
)
if True:
x = 256
else:
x = 0
barwidth = 8
datalines = open(fname, 'r').readlines()
for line in range(1, lines + 1):
if line in covdata.missing:
cls = 'no'
elif line in covdata.branch_lines():
cls = 'maybe'
elif line in covdata.statements:
cls = 'yes'
else:
cls = 'ignore'
line_anchor_id += 1
all_file_html.write('''<div class="%s" id="fid_%05d">%s</div>''' % (cls, line_anchor_id, escape(datalines[line - 1].rstrip())))
color = (32, 32, 32)
if line in covdata.missing:
color = (128, 32, 32)
elif line in covdata.branch_lines():
#color = (128, 128, 32)
color = (128, 80, 32)
elif line in covdata.statements:
color = (32, 44, 32)
else:
continue
x += barwidth
if x >= max_width:
x = 256 + barwidth
y += line_height + 1
depth += 1
if True and barwidth > 2: # gaps-between-lines
#draw.rectangle((x, y, x + barwidth - 2, y + line_height - 1), fill=color)
svgdoc.add(
svgdoc.rect(
insert=(x, y),
size=(barwidth - 2, line_height),
fill="rgb({},{},{})".format(*color),
onmouseover="highlight_line('fid_%05d');" % (line_anchor_id + 1,)
)
)
else:
draw.rectangle((x, y, x + barwidth, y + line_height - 1), fill=color)
if False: ## show-ignored
ignored = lines - covdata.numbers.n_statements
svgdoc.add(
svgdoc.text(
'< {} missing, {} ignored'.format(covdata.numbers.n_missing, ignored),
insert=(x + 2, y + line_height - 4),
fill=("#ffffff"),
style="font: 85% monospace;",
opacity=0.2,
)
)
if False:
draw.rectangle([0, y, pwid, y], fill=(32, 96, 32, 255))
draw.rectangle([pwid, y, barmax, y], fill=(96, 32, 32, 255))
if False:
trunc_fname = fname[len(biggest_prefix):]
text_color = (200, 200, 200, 128)
if (float(covdata.numbers.n_missing) / covdata.numbers.n_statements) < 0.10:
text_color = (128, 255, 128, 255)
draw.text((x + 6, y - 2), trunc_fname, fill=text_color, font=fnt)
depth += 1
all_file_html.write('</pre></section>\n\n\n\n')
all_file_html.write('''
</article>
</body>
</html>
''')
all_file_html.close()
svgdoc.save()
print(dir(svgdoc))
with open('histogram-coverage.html', 'w') as f:
f.write(r'''
<html>
<head>
<title>coverage: {project}</title>
<style type="text/css">
body
{{
background-color: black;
}}
</style>
</head>
<body>
<header>
<h2>{project}</h2>
</header>
<article>
<script>
var _last = null;
function highlight_line(anchor) {{
// FIXME pretty cheezy, but works
// --> would rather center it in iframe, highlight it
if (_last) {{
_last.element.style.backgroundColor = _last.bg;
}}
var e = window.frames[0].document.getElementById(anchor);
if (e) {{
var where = e.offsetTop;// - (window.clientHeight / 2);
window.frames[0].scroll(0, where - 512);
// e.scrollIntoView(false);
_last = {{
"element": e,
"bg": e.style.backgroundColor,
}}
e.style.backgroundColor = '#f0f';
}}
}}
</script>
<svg xmlns="http://www.w3.org/2000/svg" version="1.1"
viewBox="0 0 {width} {height}"
style="width:70%; height:auto; position:absolute; top:0; left:0; z-index:-1;" src="histogram-coverage.svg">
{svg}
</svg>
<iframe seamless="seamless" scrolling="no" name="sc" style="position: fixed; top: 0; right: 0; width: 30%; height: 100%; overflow-x: hidden; overflow-y: scroll; background-color: grey; color: black;" src="histogram-coverage-sourcecode.html"></iframe>
</article>
</body>
</html>
'''.format(
project='project',
svg=svgdoc.tostring(),
width=width,
height=height,
)
)
print("total coverage", float(total_statements - total_missing) / total_statements * 100.0)
print("missing {} of {} lines".format(total_missing, total_statements))