def __init__(self, builder):
super(Count, self).__init__(builder)
self.tags = {}
def handle_starttag(self, name, attr, closed, data):
self.tags[name] = self.tags.get(name, 0) + 1
self.builder.handle_starttag(name, attr, closed, data)
def finalize(self):
keys = self.tags.keys()
keys.sort()
for key in keys:
print "%s: %d" % (key, self.tags[key])
return self.builder.finalize()
html = _html.replace(overlay_eventfilters=[Count])
print "Before Loading"
template = html.from_string("""
<anode tdi:overlay="foo"></anode>
""").overlay(html.from_string("""
<bnode tdi:overlay="foo">
<cnode />
</bnode>
"""))
print ">>> Between Loading and Rendering"
template.render()
print ">>> Between Rendering"
#!/usr/bin/env python
import warnings as _warnings
_warnings.resetwarnings()
_warnings.filterwarnings('error')
from tdi import html
from tdi.tools import css
html = html.replace(eventfilters=[
css.CDATAFilter,
css.MinifyFilter,
])
tpl = html.from_string("""
<html>
<style><!--
--></style>
<style><!--
a b c{
foo: bar;
baz: blub;
}
--></style>
<style tdi="bar"><!--
--></style>
</html>
""".lstrip())
tpl.render()
# 1. Comment filter
def keep_foo(comment):
""" Comment filter """
if comment == "<!-- foo -->":
return comment
# 2. New filter factory
def html_minifyfilter(builder):
""" HTML minifier factory """
return html_tools.MinifyFilter(builder, comment_filter=keep_foo)
# 3. Template Factory
html = html.replace(eventfilters=[
# ...
html_minifyfilter, # instead of html_tools.MinifyFilter
# ...
])
# 4. Do your thing.
tpl = html.from_string("""
<html>
<head>
<!-- Here comes the title -->
<title>Hello World!</title>
<style>
Some style.
</style>
</head>
<body>
<!-- foo -->
#!/usr/bin/env python
import warnings as _warnings
_warnings.resetwarnings()
_warnings.filterwarnings('error')
from tdi import html
from tdi.tools import css
html = html.replace(eventfilters=[css.CDATAFilter])
tpl = html.from_string("""
<html>
<style><!--
--></style>
<style><!--
a b c{
foo: bar;
baz: blub;
}
--></style>
<style tdi="bar"><!--
--></style>
</html>
""".lstrip())
tpl.render()
#!/usr/bin/env python
import warnings as _warnings
_warnings.resetwarnings()
_warnings.filterwarnings('error')
import sys
import tempfile
import time
from tdi import html
html = html.replace(autoupdate=True)
tfile = tempfile.NamedTemporaryFile()
try:
tfile.write("""<html><body tdi="body">Yey</body></html>""")
tfile.flush()
# 2) Load the template from_file
template = html.from_file(tfile.name)
print template.tree
# (... wait for low-timer-resolution systems ...)
time.sleep(3)
# 3) Update the file
tfile.seek(0)
tfile.truncate()
tfile.write("""<html><body tdi="nobody">Yup!</body></html>""")
tfile.flush()
#!/usr/bin/env python
import warnings as _warnings
_warnings.resetwarnings()
_warnings.filterwarnings('error')
from tdi import html
from tdi.tools import javascript
html = html.replace(eventfilters=[javascript.CDATAFilter])
tpl = html.from_string("""
<html>
<script src="foo"></script>
<script><!--
//--></script>
<script><!--
var x=1;
var y = 2;
alert( x + y );
//--></script>
<script tdi="bar"><!--
--></script>
</html>
""".lstrip())
tpl.render()
#!/usr/bin/env python
import warnings as _warnings
_warnings.resetwarnings()
_warnings.filterwarnings('error')
from tdi.tools import html as _html_tools
from tdi import html
html_compressed = html.replace(eventfilters=[_html_tools.MinifyFilter])
template = html_compressed.from_string("""
<html>
<head>
<title>Boo! </title>
<script>
Some script
</script>
<style><!--
Some style
--></style>
</head>
<body>
<p>Hello <b>YOU!</b> reader!
Now... <br />
<form>
<textarea >Some
text
in here.
</textarea >
</form>
#!/usr/bin/env python
import warnings as _warnings
_warnings.resetwarnings()
_warnings.filterwarnings('error')
from tdi import html
from tdi.tools import javascript
html = html.replace(eventfilters=[javascript.MinifyFilter])
tpl = html.from_string("""
<html>
<script src="foo"></script>
<script><!--
//--></script>
<script><!--
var x=1;
var y = 2;
alert( x + y );
//--></script>
<script tdi="bar"><!--
--></script>
</html>
""".lstrip())
tpl.render()
#!/usr/bin/env python
import warnings as _warnings
_warnings.resetwarnings()
_warnings.filterwarnings('error')
import os
os.chdir(os.path.dirname(os.path.abspath(os.path.normpath(__file__))))
# BEGIN INCLUDE
from tdi import factory_memoize
from tdi import html
t1 = html.from_file('loading.html')
t2 = html.from_file('loading.html')
# t1 and t2 are different template objects here
print t1 is t2 # False
# 1) Tell the factory that we want memoized calls
html = html.replace(memoizer={})
# Wrap into the key provider
html = factory_memoize.MemoizedFactory(html)
t1 = html.from_file('loading.html')
t2 = html.from_file('loading.html')
# t1 and t2 are the same objects here
print t1 is t2 # True
#!/usr/bin/env python
import warnings as _warnings
_warnings.resetwarnings()
_warnings.filterwarnings('error')
# BEGIN INCLUDE
from tdi.tools import html as html_tools
from tdi import html
tpl = html.replace(eventfilters=[
html_tools.MinifyFilter
]).from_string("""
<html>
<head>
<title>Hello World!</title>
<style>/*<![CDATA[*/
Some style.
/*]]>*/</style>
</head>
<body>
<script>//<![CDATA[
Some script.
//]]></script>
<h1>Hello World!</h1>
</body>
""".lstrip())
tpl.render()
#!/usr/bin/env python
import warnings as _warnings
_warnings.resetwarnings()
_warnings.filterwarnings('error')
from tdi import html
from tdi.tools import css
html = html.replace(eventfilters=[css.MinifyFilter])
tpl = html.from_string("""
<html>
<style><!--
--></style>
<style><!--
a b c{
foo: bar;
baz: blub;
}
--></style>
<style tdi="bar"><!--
--></style>
</html>
""".lstrip())
tpl.render()
#!/usr/bin/env python
import warnings as _warnings
_warnings.resetwarnings()
_warnings.filterwarnings('error')
from tdi import html
from tdi.tools import javascript
html = html.replace(eventfilters=[
javascript.CDATAFilter,
javascript.MinifyFilter,
])
tpl = html.from_string("""
<html>
<script src="foo"></script>
<script><!--
//--></script>
<script><!--
var x=1;
var y = 2;
alert( x + y );
//--></script>
<script tdi="bar"><!--
--></script>
</html>
""".lstrip())
tpl.render()
# which is to produce the same output under all circumstances.
#
# So, we use the filtering feature to add a tdi attribute to
# the table start tag, which is needed to address the table for
# partial rendering (startnode='table' in the render call).
#
# Also this is a good small example for writing filters.
#
class TableFilter(_filters.BaseEventFilter):
def handle_starttag(self, name, attr, closed, data):
if name == 'table':
attr.append(('tdi', 'table'))
data = self.builder.encoder.starttag(name, attr, closed)
self.builder.handle_starttag(name, attr, closed, data)
_html = _html.replace(eventfilters=[TableFilter])
class Model(object):
def __init__(self, year, month):
self.first = start = _dt.date(year, month, 1)
self.end = (start + _dt.timedelta(31)).replace(day=1)
self.year = year
self.start = start - _dt.timedelta(start.weekday())
self.today = _dt.date.today()
def render_row(self, node):
weeks, rest = divmod((self.end - self.start).days, 7)
weeks += bool(rest)
# repeat over each displayed week (each monday)
node.repeat(None, (self.start + _dt.timedelta(week * 7)
