hau

haul

An Extensible Image Crawler

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Last Commit

8yrs ago

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0

License

The MIT License (MIT) Copyright (c) 2013 Vinta Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

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Readme

Haul

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Find thumbnails and original images from URL or HTML file.

Demo

Hauler on Heroku <http://hauler.herokuapp.com/>_

Installation

on Ubuntu

.. code-block:: bash

$ sudo apt-get install build-essential python-dev libxml2-dev libxslt1-dev
$ pip install haul

on Mac OS X

.. code-block:: bash

$ pip install haul

Fail to install haul? It is probably caused by lxml <http://lxml.de/installation.html>_.

Usage

Find images from img src, a href and even background-image:

.. code-block:: python

import haul

url = 'http://gibuloto.tumblr.com/post/62525699435/fuck-yeah'
result = haul.find_images(url)

print(result.image_urls)
"""
output:
[
    'http://25.media.tumblr.com/3f5f10d7216f1dd5eacb5eb3e302286a/tumblr_mtpcwdzKBT1qh9n5lo1_500.png',
    ...
    'http://24.media.tumblr.com/avatar_a3a119b674e2_16.png',
    'http://25.media.tumblr.com/avatar_9b04f54875e1_16.png',
    'http://31.media.tumblr.com/avatar_0acf8f9b4380_16.png',
]
"""

Find original (or bigger size) images with extend=True:

.. code-block:: python

import haul

url = 'http://gibuloto.tumblr.com/post/62525699435/fuck-yeah'
result = haul.find_images(url, extend=True)

print(result.image_urls)
"""
output:
[
    'http://25.media.tumblr.com/3f5f10d7216f1dd5eacb5eb3e302286a/tumblr_mtpcwdzKBT1qh9n5lo1_500.png',
    ...
    'http://24.media.tumblr.com/avatar_a3a119b674e2_16.png',
    'http://25.media.tumblr.com/avatar_9b04f54875e1_16.png',
    'http://31.media.tumblr.com/avatar_0acf8f9b4380_16.png',
    # bigger size, extended from above urls
    'http://25.media.tumblr.com/3f5f10d7216f1dd5eacb5eb3e302286a/tumblr_mtpcwdzKBT1qh9n5lo1_1280.png',
    ...
    'http://24.media.tumblr.com/avatar_a3a119b674e2_128.png',
    'http://25.media.tumblr.com/avatar_9b04f54875e1_128.png',
    'http://31.media.tumblr.com/avatar_0acf8f9b4380_128.png',
]
"""

Advanced Usage

Custom finder / extender pipeline:

.. code-block:: python

from haul import Haul
from haul.compat import str


def img_data_src_finder(pipeline_index,
                        soup,
                        finder_image_urls=[],
                        *args, **kwargs):
    """
    Find image URL in <img>'s data-src attribute
    """

    now_finder_image_urls = []

    for img in soup.find_all('img'):
        src = img.get('data-src', None)
        if src:
            src = str(src)
            now_finder_image_urls.append(src)

    output = {}
    output['finder_image_urls'] = finder_image_urls + now_finder_image_urls

    return output

MY_FINDER_PIPELINE = (
    'haul.finders.pipeline.html.img_src_finder',
    'haul.finders.pipeline.css.background_image_finder',
    img_data_src_finder,
)

GOOGLE_SITES_EXTENDER_PIEPLINE = (
    'haul.extenders.pipeline.google.blogspot_s1600_extender',
    'haul.extenders.pipeline.google.ggpht_s1600_extender',
    'haul.extenders.pipeline.google.googleusercontent_s1600_extender',
)

url = 'http://fashion-fever.nl/dressing-up/'
h = Haul(parser='lxml',
         finder_pipeline=MY_FINDER_PIPELINE,
         extender_pipeline=GOOGLE_SITES_EXTENDER_PIEPLINE)
result = h.find_images(url, extend=True)

Run Tests

.. code-block:: bash

$ python setup.py test

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