def flattened(o):
if o.render:
o = o.render(o, o.data)
if not isinstance(o, Tag):
yield flatten(o)
raise StopIteration
yield u'<%s%s>' % (o.name, u''.join(quoteattrs(o.attrs)))
for c in o.children:
yield flatten(c)
yield u'</%s>' % o.name
raise StopIteration
def test_nested_macros(self):
"""test nested macros"""
T = tags
url_data = [{
'url': 'http://www.google.com',
'label': 'Google'
}, {
'url': 'http://www.yahoo.com',
'label': 'Yahoo!'
}, {
'url': 'http://www.amazon.com',
'label': 'Amazon'
}]
template = (
macro(
'list_macro', lambda url, label:
(macro('link_macro', lambda _u, _l: T.a(href=_u)[_l]), T.li[
link_macro(url, label)])),
T.html[T.head[T.title[my_name()]],
T.body[T.ul[[list_macro(**_item) for _item in url_data]]]])
output = flatten(template)
self.assertEqual(output, (
u'<html><head><title>test_nested_macros</title></head>'
u'<body><ul><li><a href="http://www.google.com">Google</a></li>'
u'<li><a href="http://www.yahoo.com">Yahoo!</a></li>'
u'<li><a href="http://www.amazon.com">Amazon</a></li></ul></body></html>'
))
def test_dom_traversal_from_macro(self):
T = tags
template = (
assign('selectors', []),
macro('css_sep', lambda attr: attr == 'class' and '.' or '#'),
macro(
'get_selectors', lambda tag, is_tag: selectors.extend([
"%s%s%s { }" % (tag.name, css_sep(_k.strip('_')), _v)
for _k, _v in tag.attrs.items()
if _k.strip('_') in ('id', 'class')
])),
macro('extract_css',
lambda tag: tag.walk(get_selectors, True) and tag),
macro('css_results',
lambda selectors: T.pre['\n'.join(selectors)]),
T.html[T.head[T.title['macro madness']], T.body[extract_css(
T.div(class_='text', id='main-content')[
T.img(src='/images/liphtePy-logo.png', alt='liphtePy logo'
), T.br,
T.span(class_='bold')['''Hello from Breve!''']]),
css_results(
selectors)]])
"""macro abuse: self-traversing template"""
T = tags
output = flatten(template)
self.assertEqual(
output,
(u'<html><head><title>macro madness</title></head>'
u'<body><div class="text" id="main-content">'
u'<img src="/images/liphtePy-logo.png" alt="liphtePy logo"></img>'
u'<br /><span class="bold">Hello from Breve!</span></div>'
u'<pre>div.text { }\ndiv#main-content { }\nspan.bold { }</pre>'
u'</body></html>'))
def test_autolist_macro(self):
"""test autolist macro"""
data = ["Item %s" % _i for _i in range(1, 9)]
template = (
macro(
'AutoList',
lambda data: data and (
T.ul(class_='autolist')[
[T.li[_i] for _i in data]
]
) or ''
),
T.html[
T.head[T.title[my_name()]],
T.body[AutoList(data)]
]
)
output = flatten(template)
# print('OMG OMG OMG OUT', output)
self.assertEqual(
output,
(u'<html><head><title>test_autolist_macro</title></head>'
u'<body><ul class="autolist"><li>Item 1</li><li>Item 2</li>'
u'<li>Item 3</li><li>Item 4</li><li>Item 5</li><li>Item 6</li>'
u'<li>Item 7</li><li>Item 8</li></ul></body></html>')
)
def test_tag_multiplication_with_macro(self):
"""tag multiplication including macro"""
T = tags
url_data = [{
'url': 'http://www.google.com',
'label': 'Google',
'class': 'link'
}, {
'url': 'http://www.yahoo.com',
'label': 'Yahoo!',
'class': 'link'
}, {
'url': 'http://www.amazon.com',
'label': 'Amazon',
'class': 'link'
}]
template = (
macro('test_macro', lambda url: T.a(href=url)["$label"]),
T.html[T.head[T.title[my_name()]],
T.body[T.ul[T.li(class_="$class")[test_macro("$url")] *
url_data]]])
output = flatten(template)
self.assertEqual(output, (
u'<html><head><title>test_tag_multiplication_with_macro</title></head>'
u'<body><ul><li class="link"><a href="http://www.google.com">Google</a></li>'
u'<li class="link"><a href="http://www.yahoo.com">Yahoo!</a></li>'
u'<li class="link"><a href="http://www.amazon.com">Amazon</a></li></ul></body></html>'
))
def flatten_invisible(o):
if o.render:
# o.children = [ ]
t = o.render(o, o.data)
else:
t = o
if t.children:
return u''.join([flatten(c) for c in t.children])
return u''
def test_tag_serialization(self):
"""basic tag flattening"""
T = tags
template = T.html[T.head[T.title[my_name()]], T.body[T.div['okay']]]
output = flatten(template)
self.assertEqual(
output,
(u'<html><head><title>test_tag_serialization</title></head>'
u'<body><div>okay</div></body></html>'))
def test_auto_tags(self):
"""test AutoTag class"""
# noinspection PyPep8Naming
T = AutoTag()
template = (T.foo(attr='foo')[T.bar(attr='bar'), T.baz(attr='baz')])
actual = flatten(template)
self.assertEqual(
actual,
u'<foo attr="foo"><bar attr="bar"></bar><baz attr="baz"></baz></foo>'
)
def test_assign(self):
"""assign directive"""
T = tags
template = (assign('msg', 'okay'), T.html[T.head[T.title[my_name()]],
T.body[T.div[msg]]])
output = flatten(template)
self.assertEqual(
output,
u'<html><head><title>test_assign</title></head><body><div>okay</div></body></html>'
)
def test_dynamic_tags(self):
"""test dynamic creation of tags"""
template = (assign('mytag', Tag('mytag')), mytag(
feature='foo')['hello, from mytag',
Tag('explicit')(
feature='bar')['hello from explicit tag']])
actual = flatten(template)
self.assertEqual(
actual,
u'<mytag feature="foo">hello, from mytag<explicit feature="bar">hello from explicit tag</explicit></mytag>'
)
def test_flatten_callable(self):
"""test flattening of callables"""
def my_callable():
return "Hello, World"
T = tags
template = (T.html[T.head[T.title[my_name()]],
T.body[T.div[my_callable]]])
actual = flatten(template)
self.assertEqual(
actual, (u'<html><head><title>test_flatten_callable</title></head>'
u'<body><div>Hello, World</div></body></html>'))
def test_test(self):
"""test() function"""
T = tags
template = T.html[T.head[T.title[my_name()]],
T.body[test(1 == 1) and
(T.span['This is displayed']),
test(1 == 0) and
(T.span['This is not displayed'])]]
output = flatten(template)
self.assertEqual(
output, (u'<html><head><title>test_test</title></head>'
u'<body><span>This is displayed</span></body></html>'))
def test_unicode_attributes(self):
"""unicode and string coercion in attributes"""
T = tags
template = T.html[T.head[T.title[my_name()]], T.body[
T.span(id='удерживать')["Coerce byte string to Unicode"],
T.span(id='не оставляющий сомнений')["Explicit Unicode object"]]]
output = flatten(template)
self.assertEqual(output, (
u'<html><head><title>test_unicode_attributes</title></head><body>'
u'<span id="удерживать">Coerce byte string to Unicode</span>'
u'<span id="не оставляющий сомнений">Explicit Unicode object</span></body></html>'
))
def test_assign_with_macro(self):
"""assign directive with macro"""
T = tags
template = (assign('msg',
'okay'), macro('display_msg',
lambda _m: T.span[_m]),
T.html[T.head[T.title[my_name()]],
T.body[T.div[display_msg(msg)]]])
output = flatten(template)
self.assertEqual(
output,
(u'<html><head><title>test_assign_with_macro</title></head>'
u'<body><div><span>okay</span></div></body></html>'))
def test_minJS(self):
"""inline minified Javascript flattening"""
js = '''
if (x=1) {
y=2;
}
'''
T = tags
template = T.html[T.body[T.minJS(js)]]
output = flatten(template)
self.assertEqual(
output,
u'<html><body>\n<script type="text/javascript">\n//<![CDATA[\nif(x=1){y=2;}\n//]]></script>\n</body></html>'
)
def test_autotable_macro(self):
"""test autotable macro"""
data = [
['One', 'Two', 'Three', 'Four'],
range(0, 4),
range(4, 8),
range(8, 12)
]
template = (
macro('AutoTable', lambda data, header=False: (
assign('alts', ['even', 'odd']),
data and (
T.table(class_='autotable')[
header and (
T.thead[[T.th[_col] for _col in data[0]]]
),
T.tbody[
[T.tr(class_='row-%s' % alts[_rx % 2])[
[T.td(class_='col-%s' % alts[_cx % 2])[_col]
for _cx, _col in enumerate(_row)]
] for _rx, _row in enumerate(data[int(header):])]
]
]
) or ''
)),
T.html[
T.head[T.title[my_name()]],
T.body[
AutoTable(data, header=True)
]
]
)
output = flatten(template)
self.assertEqual(
output,
(u'<html><head><title>test_autotable_macro</title></head>'
u'<body><table class="autotable"><thead><th>One</th><th>Two</th><th>Three</th><th>Four</th></thead>'
u'<tbody><tr class="row-even"><td class="col-even">0</td><td class="col-odd">1</td>'
u'<td class="col-even">2</td><td class="col-odd">3</td></tr>'
u'<tr class="row-odd"><td class="col-even">4</td><td class="col-odd">5</td><td class="col-even">6</td>'
u'<td class="col-odd">7</td></tr>'
u'<tr class="row-even"><td class="col-even">8</td><td class="col-odd">9</td>'
u'<td class="col-even">10</td><td class="col-odd">11</td></tr></tbody>'
u'</table></body></html>')
)
def test_unicode(self):
"""unicode and string coercion"""
T = tags
template = T.html[T.head[T.title[my_name()]],
T.body[u'Brev\xe9 converts plain strings', T.br,
u'Brev\xe9 handles unicode strings', T.br,
T.div["äåå? ▸ ", T.em["я не понимаю"],
"▸ 3 km²"]]]
output = flatten(template)
self.assertEqual(
output,
(u'<html><head><title>test_unicode</title></head>'
u'<body>Brevé converts plain strings<br />'
u'Brevé handles unicode strings<br />'
u'<div>äåå? ▸ <em>я не понимаю</em>▸ 3 km²</div></body></html>'))
def test_escaping(self):
"""escaping, xml() directive"""
T = tags
template = T.html[T.head[T.title[my_name()]], T.body[T.div(
style='width: 400px;<should be &escaped&>'
)[T.p(class_='foo')['&&&'], T.p['Coffee', E.nbsp, E.amp, E.nbsp,
'cream'],
xml('''<div>this should be <u>unescaped</u> & unaltered.</div>'''
)]]]
output = flatten(template)
self.assertEqual(output, (
u'<html><head><title>test_escaping</title></head>'
u'<body><div style="width: 400px;<should be &escaped&>">'
u'<p class="foo">&&&</p><p>Coffee & cream</p>'
u'<div>this should be <u>unescaped</u> & unaltered.</div></div></body></html>'
))
def test_autolist_macro2(self):
"""test autolist macro"""
sublist1 = ["List 1:%s" % _i for _i in range(3)]
sublist2 = ["List 2:%s" % _i for _i in range(3, 6)]
sublist3 = ["List 3:%s" % _i for _i in range(6, 9)]
sublist3.append(sublist2)
data = [
'Item A', 'Item B', 'Item C',
sublist1,
'Item D', 'Item E', 'Item F',
sublist3,
]
template = (
macro('AutoList', lambda data, level=0:
data and (
T.ul(class_='autolist level-%s' % level)[
[T.li[
[lambda _i, _j: _i, AutoList]
[isinstance(_i, list)](_i, level + 1)
]
for _i in data]
]
) or ''
),
T.html[
T.head[T.title[my_name()]],
T.body[AutoList(data)]
]
)
output = flatten(template)
self.assertEqual(
output,
(u'<html><head><title>test_autolist_macro2</title></head>'
u'<body><ul class="autolist level-0"><li>Item A</li>'
u'<li>Item B</li><li>Item C</li><li><ul class="autolist level-1">'
u'<li>List 1:0</li><li>List 1:1</li><li>List 1:2</li></ul></li>'
u'<li>Item D</li><li>Item E</li><li>Item F</li><li>'
u'<ul class="autolist level-1"><li>List 3:6</li>'
u'<li>List 3:7</li><li>List 3:8</li><li><ul class="autolist level-2">'
u'<li>List 2:3</li><li>List 2:4</li><li>List 2:5</li></ul>'
u'</li></ul></li></ul></body></html>')
)
def test_tag_multiplication(self):
"""tag multiplication"""
T = tags
url_data = [
dict(url='http://www.google.com', label='Google'),
dict(url='http://www.yahoo.com', label='Yahoo!'),
dict(url='http://www.amazon.com', label='Amazon')
]
template = T.html[T.head[T.title[my_name()]],
T.body[T.ul[T.li[T.a(href="$url")["$label"]] *
url_data]]]
output = flatten(template)
self.assertEqual(output, (
u'<html><head><title>test_tag_multiplication</title></head>'
u'<body><ul><li><a href="http://www.google.com">Google</a></li>'
u'<li><a href="http://www.yahoo.com">Yahoo!</a></li>'
u'<li><a href="http://www.amazon.com">Amazon</a></li></ul></body></html>'
))
def test_toc_macro(self):
"""test table-of-contents macro"""
template = (
assign('TOC', []),
macro('TableOfContents', lambda matchtags, tag: (
macro('toc_search', lambda tag, is_tag:
tag.name in matchtags and (
TOC.append(T.a(href='#toc-%s' % tag.children[0])[tag.children[0]]),
tag.attrs.update({'class': 'chapter-%s' % tag.name}),
tag.children.insert(0, T.a(name='toc-%s' % tag.children[0])[tag.name])
) or True
),
tag.walk(toc_search, True)
)),
T.html[
T.head[T.title[my_name()]],
T.body[
T.div(id='TableOfContents')[
'Table of Contents',
lambda: T.ul[[T.li[_t] for _t in TOC]]
],
TableOfContents(('h1', 'h2', 'h3'), T.div[
T.h1['Chapter 1'],
T.div['chapter 1 content'],
T.h1['Chapter 2'],
T.div[
'chapter 2 content',
T.h2['Chapter 2 subsection'],
T.div[
'chapter 2 subsection content'
]
]
])
]
]
)
actual = flatten(template)
def test_custom_tags(self):
"""custom tags"""
from liphtePy.tests.sitemap import tags, xmlns
# noinspection PyPep8Naming
T = Namespace(tags)
# test data
loc = 'http://www.example.com/',
lastmod = '2008-01-01',
changefreq = 'monthly',
priority = 0.8
template = T.urlset(xmlns=xmlns)[T.url[T.loc[loc], T.lastmod[lastmod],
T.changefreq[changefreq],
T.priority[priority]]]
output = flatten(template)
self.assertEqual(output, (
u'<urlset xmlns="http://www.google.com/schemas/sitemap/0.84/sitemap.xsd">'
u'<url><loc>http://www.example.com/</loc><lastmod>2008-01-01</lastmod>'
u'<changefreq>monthly</changefreq><priority>0.8</priority></url></urlset>'
))
def __str__(self):
return flatten(self)
def flatten_callable(o):
return flatten(o())
def flatten_sequence(o):
return u''.join([flatten(i) for i in o])
