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"""HTML reporting for coverage.py"""
import os
from coverage.report import Reporter
from coverage.templite import Templite
class HtmlReporter(Reporter):
"""HTML reporting.
"""
def __init__(self, coverage, ignore_errors=False):
super(HtmlReporter, self).__init__(coverage, ignore_errors)
self.directory = None
self.source_tmpl = Templite(SOURCE, globals())
def report(self, morfs, directory=None, omit_prefixes=None):
assert directory, "must provide a directory for html reporting"
self.report_files(self.html_file, morfs, directory, omit_prefixes)
def html_file(self, cu, statements, excluded, missing):
"""Generate an HTML file for one source file."""
lines = []
source = cu.source_file()
for lineno, line in enumerate(source.readlines()):
lineno += 1
css_class = ""
if lineno in statements:
css_class += " s"
if lineno not in missing and lineno not in excluded:
css_class += " r"
if lineno in excluded:
css_class += " x"
if lineno in missing:
css_class += " m"
lineinfo = {
'text': line,
'number': lineno,
'class': css_class.strip() or "p"
}
lines.append(lineinfo)
html_filename = os.path.join(self.directory, cu.flat_rootname()) + ".html"
fhtml = open(html_filename, 'w')
fhtml.write(self.source_tmpl.render(locals()))
fhtml.close()
# Helpers for templates
def escape(t):
"""HTML-escape the text in t."""
return (
t.replace("&", "&").replace("<", "<").replace(">", ">")
.replace("'", "'").replace('"', """)
.replace(" ", " ")
)
def not_empty(t):
"""Make sure HTML content is not completely empty."""
return t or " "
# Templates
SOURCE = """\
<html>
<head>
<title>Coverage of {{cu.filename|escape}}</title>
<style>
* {
font-size: 11pt;
line-height: 1.1em;
}
.linenos {
background: #eee;
}
.linenos p {
text-align: right;
margin: 0;
padding: 0 .5em 0 0;
font-family: verdana, sans-serif;
}
.source p {
margin: 0;
padding: 0 0 0 .5em;
font-family: "courier new", monospace;
}
.linenos p.m {
background: #fcc;
}
.linenos p.r {
background: #cfc;
}
.linenos p.x {
background: #ddd;
}
.source p.m {
background: #fee;
}
.source p.r {
background: #efe;
}
.source p.x {
background: #eee;
}
</style>
</head>
<body>
<table cellspacing='0' cellpadding='0'>
<tr>
<td class='linenos' valign='top'>
{% for line in lines %}
<p class='{{line.class}}'>{{line.number}}</p>
{% endfor %}
</td>
<td class='source' valign='top'>
{% for line in lines %}
<p class='{{line.class}}'>{{line.text.rstrip|escape|not_empty}}</p>
{% endfor %}
</td>
</tr>
</table>
</body>
</html>
"""
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