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authormathieui <mathieui@mathieui.net>2013-04-18 19:54:13 +0200
committermathieui <mathieui@mathieui.net>2013-04-18 19:54:13 +0200
commit93cdac01ae103d544dcf8dc8924a647531b37ffc (patch)
tree60b4cc45b92d642c1e623bfab6c19b0a7b9ae56b /src
parent9fd15cc2a25b31dad3e70422fc16335f8b143525 (diff)
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Use ''.join(str) instead of str += …
Should improve speed on xhtml parsing, but be noticeable only with *heavy* (e.g. 1000chars with the rainbow plugin) xhtml stanzas.
Diffstat (limited to 'src')
-rw-r--r--src/xhtml.py44
1 files changed, 23 insertions, 21 deletions
diff --git a/src/xhtml.py b/src/xhtml.py
index cd68b14a..23de8a32 100644
--- a/src/xhtml.py
+++ b/src/xhtml.py
@@ -286,32 +286,34 @@ def xhtml_to_poezio_colors(xml):
def trim(string):
return re.sub(whitespace_re, ' ', string)
- message = ''
+ builder = []
+
if version_info[1] == 2:
elems = xml.iter()
else:
elems = xml.getiterator()
+
for elem in elems:
if elem.tag == '{http://www.w3.org/1999/xhtml}a':
if 'href' in elem.attrib and elem.attrib['href'] != elem.text:
- message += '\x19u%s\x19o (%s)' % (trim(elem.attrib['href']), trim(elem.text if elem.text else ""))
+ builder.append('\x19u%s\x19o (%s)' % (trim(elem.attrib['href']), trim(elem.text if elem.text else "")))
else:
- message += '\x19u' + (elem.text if elem.text else "") + '\x19o'
+ builder.append('\x19u' + (elem.text if elem.text else "") + '\x19o')
elif elem.tag == '{http://www.w3.org/1999/xhtml}blockquote':
- message += '“'
+ builder.append('“')
elif elem.tag == '{http://www.w3.org/1999/xhtml}body':
pass
elif elem.tag == '{http://www.w3.org/1999/xhtml}br':
- message += '\n'
+ builder.append('\n')
elif elem.tag == '{http://www.w3.org/1999/xhtml}cite':
- message += '\x19u'
+ builder.append('\x19u')
elif elem.tag == '{http://www.w3.org/1999/xhtml}em':
- message += '\x19i'
+ builder.append('\x19i')
elif elem.tag == '{http://www.w3.org/1999/xhtml}img' and 'src' in elem.attrib:
if 'alt' in elem.attrib:
- message += '%s (%s)' % (trim(elem.attrib['src']), trim(elem.attrib['alt']))
+ builder.append('%s (%s)' % (trim(elem.attrib['src']), trim(elem.attrib['alt'])))
else:
- message += elem.attrib['src']
+ builder.append(elem.attrib['src'])
elif elem.tag == '{http://www.w3.org/1999/xhtml}li':
pass
elif elem.tag == '{http://www.w3.org/1999/xhtml}ol':
@@ -321,42 +323,42 @@ def xhtml_to_poezio_colors(xml):
elif elem.tag == '{http://www.w3.org/1999/xhtml}span':
pass
elif elem.tag == '{http://www.w3.org/1999/xhtml}strong':
- message += '\x19b'
+ builder.append('\x19b')
elif elem.tag == '{http://www.w3.org/1999/xhtml}ul':
pass
if ('style' in elem.attrib and elem.tag != '{http://www.w3.org/1999/xhtml}br'
and elem.tag != '{http://www.w3.org/1999/xhtml}em'
and elem.tag != '{http://www.w3.org/1999/xhtml}strong'):
- message += parse_css(elem.attrib['style'])
+ builder.append(parse_css(elem.attrib['style']))
if (elem.text and elem.tag != '{http://www.w3.org/1999/xhtml}a'
and elem.tag != '{http://www.w3.org/1999/xhtml}br'
and elem.tag != '{http://www.w3.org/1999/xhtml}img'):
- message += trim(elem.text)
+ builder.append(trim(elem.text))
if ('style' in elem.attrib and elem.tag != '{http://www.w3.org/1999/xhtml}br'
and elem.tag != '{http://www.w3.org/1999/xhtml}em'
and elem.tag != '{http://www.w3.org/1999/xhtml}strong'):
- message += '\x19o'
+ builder.append('\x19o')
if elem.tag == '{http://www.w3.org/1999/xhtml}blockquote':
- message += '”'
+ builder.append('”')
elif elem.tag == '{http://www.w3.org/1999/xhtml}cite':
- message += '\x19o'
+ builder.append('\x19o')
elif elem.tag == '{http://www.w3.org/1999/xhtml}em':
- message += '\x19o'
+ builder.append('\x19o')
elif elem.tag == '{http://www.w3.org/1999/xhtml}strong' or elem.tag == '{http://www.w3.org/1999/xhtml}b':
- message += '\x19o'
+ builder.append('\x19o')
elif elem.tag == '{http://www.w3.org/1999/xhtml}u':
- message += '\x19o'
+ builder.append('\x19o')
if 'title' in elem.attrib:
- message += ' [' + elem.attrib['title'] + ']'
+ builder.append(' [' + elem.attrib['title'] + ']')
if elem.tail:
- message += trim(elem.tail)
- return message
+ builder.append(trim(elem.tail))
+ return ''.join(builder)
def clean_text(s):
"""