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import os
import xml.etree.ElementTree as ET
def html_tree_from_env():
# return parsed HTML content as an ET from an HTML_PATH file
html_filename = os.environ['HTML_PATH']
html_filename += '.html'
print('html_filename: %r' % html_filename)
return ET.parse(html_filename)
XHTML = 'http://www.w3.org/1999/xhtml'
SVG = 'http://www.w3.org/2000/svg'
ns = {'xhtml': XHTML,
'svg' : SVG}
def make_tag(local_name):
return f'{{{XHTML}}}' + local_name
def assert_tag(element, expected):
assert element.tag == make_tag(expected)
def assert_class(element, expected):
assert element.attrib['class'] == expected
def assert_quoted_line(tr, expected_line_num, expected_src):
"""Verify that tr is a line of quoted source."""
tds = tr.findall('xhtml:td', ns)
assert len(tds) == 3
assert_class(tds[0], 'linenum')
assert tds[0].text == expected_line_num
assert_class(tds[1], 'left-margin')
assert tds[1].text == ' '
assert_class(tds[2], 'source')
assert tds[2].text == expected_src
def assert_annotation_line(tr, expected_src,
expected_line_num=' ',
expected_left_margin=' '):
"""Verify that tr is an annotation line."""
tds = tr.findall('xhtml:td', ns)
assert len(tds) == 3
assert_class(tds[0], 'linenum')
assert tds[0].text == expected_line_num
assert_class(tds[1], 'left-margin')
assert tds[1].text == expected_left_margin
assert_class(tds[2], 'annotation')
assert tds[2].text == expected_src
def assert_frame(frame, expected_fnname):
"""
Assert that frame is of class 'stack-frame'
and has a child showing the expected fnname.
"""
assert_class(frame, 'stack-frame')
funcname = frame[0]
assert_class(funcname, 'frame-funcname')
span = funcname[0]
assert_tag(span, 'span')
assert span.text == expected_fnname
def assert_event_range_with_margin(element):
"""
Verify that "element" is an event-range-with-margin
"""
assert_tag(element, 'table')
assert_class(element, 'event-range-with-margin')
tr = element.find('xhtml:tr', ns)
assert tr is not None
td = tr.find('xhtml:td', ns)
assert_class(td, 'event-range')
events_hdr = td.find('xhtml:div', ns)
assert_class(events_hdr, 'events-hdr')
#...etc
def get_diag_by_index(html_tree, index):
root = html_tree.getroot ()
assert root.tag == make_tag('html')
body = root.find('xhtml:body', ns)
assert body is not None
diag_list = body.find('xhtml:div', ns)
assert diag_list is not None
assert_class(diag_list, 'gcc-diagnostic-list')
diag = diag_list.find(f"xhtml:div[@id='gcc-diag-{index}']", ns)
return diag
def get_message_within_diag(diag_element):
msg = diag_element.find("xhtml:div[@class='gcc-message']", ns)
return msg
def get_locus_within_diag(diag_element):
src = diag_element.find('xhtml:table', ns)
assert_class(src, 'locus')
return src
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