Extract embedded metadata from HTML markup
Project description
Extract structured information from web pages.
For now, extruct only extracts HTML microdata from web pages.
Installation
pip install extruct
Usage
>>> from pprint import pprint
>>>
>>> from extruct.w3cmicrodata import MicrodataExtractor
>>>
>>> # example from http://www.w3.org/TR/microdata/#associating-names-with-items
>>> html = """<!DOCTYPE HTML>
... <html>
... <head>
... <title>Photo gallery</title>
... </head>
... <body>
... <h1>My photos</h1>
... <figure itemscope itemtype="http://n.whatwg.org/work" itemref="licenses">
... <img itemprop="work" src="images/house.jpeg" alt="A white house, boarded up, sits in a forest.">
... <figcaption itemprop="title">The house I found.</figcaption>
... </figure>
... <figure itemscope itemtype="http://n.whatwg.org/work" itemref="licenses">
... <img itemprop="work" src="images/mailbox.jpeg" alt="Outside the house is a mailbox. It has a leaflet inside.">
... <figcaption itemprop="title">The mailbox.</figcaption>
... </figure>
... <footer>
... <p id="licenses">All images licensed under the <a itemprop="license"
... href="http://www.opensource.org/licenses/mit-license.php">MIT
... license</a>.</p>
... </footer>
... </body>
... </html>"""
>>>
>>> mde = MicrodataExtractor()
>>> data = mde.extract(html)
>>> pprint(data)
{'items': [{'properties': {'license': 'http://www.opensource.org/licenses/mit-license.php',
'title': u'The house I found.',
'work': 'http://www.example.com/images/house.jpeg'},
'type': 'http://n.whatwg.org/work'},
{'properties': {'license': 'http://www.opensource.org/licenses/mit-license.php',
'title': u'The mailbox.',
'work': 'http://www.example.com/images/mailbox.jpeg'},
'type': 'http://n.whatwg.org/work'}]}
REST API service
extruct also ships with a REST API service to test its output from URLs.
Dependencies
Usage
python -m extruct.service
launches an HTTP server listening on port 10005.
Methods supported
/extruct/<URL>
method = GET
/extruct/batch
method = POST
params:
urls - a list of URLs separted by newlines
urlsfile - a file with one URL per line
E.g. http://localhost:10005/extruct/http://www.sarenza.com/i-love-shoes-susket-s767163-p0000119412
will output something like this:
{
"url":"http://www.sarenza.com/i-love-shoes-susket-s767163-p0000119412",
"status":"ok",
"microdata":{
"items":[
{
"type":"http://schema.org/Product",
"properties":{
"name":"Susket",
"color":[
"http://www.sarenza.com/i-love-shoes-susket-s767163-p0000119412",
"http://www.sarenza.com/i-love-shoes-susket-s767163-p0000119412"
],
"brand":"http://www.sarenza.com/i-love-shoes",
"aggregateRating":{
"type":"http://schema.org/AggregateRating",
"properties":{
"description":"Soyez le premier \u00e0 donner votre avis"
}
},
"offers":{
"type":"http://schema.org/AggregateOffer",
"properties":{
"lowPrice":"59,00 \u20ac",
"price":"A partir de\r\n 59,00 \u20ac",
"priceCurrency":"EUR",
"highPrice":"59,00 \u20ac",
"availability":"http://schema.org/InStock"
}
},
"size":[
"36 - Epuis\u00e9 - \u00catre alert\u00e9",
"37 - Epuis\u00e9 - \u00catre alert\u00e9",
"38 - Epuis\u00e9 - \u00catre alert\u00e9",
"39 - Derni\u00e8re paire !",
"40",
"41",
"42 - Derni\u00e8re paire !"
],
"image":[
"http://cdn2.sarenza.net/static/_img/productsV4/0000119412/MD_0000119412_223992_09.jpg?201509221045",
"http://cdn1.sarenza.net/static/_img/productsV4/0000119412/MD_0000119412_223992_03.jpg?201509221045",
"http://cdn3.sarenza.net/static/_img/productsV4/0000119412/MD_0000119412_223992_04.jpg?201509221045",
"http://cdn2.sarenza.net/static/_img/productsV4/0000119412/MD_0000119412_223992_05.jpg?201509221045",
"http://cdn1.sarenza.net/static/_img/productsV4/0000119412/MD_0000119412_223992_06.jpg?201509221045",
"http://cdn1.sarenza.net/static/_img/productsV4/0000119412/MD_0000119412_223992_07.jpg?201509221045",
"http://cdn1.sarenza.net/static/_img/productsV4/0000119412/MD_0000119412_223992_08.jpg?201509221045",
"http://cdn2.sarenza.net/static/_img/productsV4/0000119412/MD_0000119412_223992_02.jpg?201509291747"
],
"description":""
}
}
]
}
}
Development version
mkvirtualenv extruct pip install -r requirements-dev.txt
Tests
Run tests in current environment:
py.test tests
Use tox to run tests with different Python versions:
tox
Versioning
Use bumpversion to conveniently change project version:
bumpversion patch # 0.0.0 -> 0.0.1 bumpversion minor # 0.0.1 -> 0.1.0 bumpversion major # 0.1.0 -> 1.0.0
Release history Release notifications | RSS feed
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