9f80a33d9c
This gives the user the ability to process the images after resizing them. In particular, the color, contrast, brightness and sharpness can be adjusted.
131 lines
4.4 KiB
Python
131 lines
4.4 KiB
Python
# -*- coding:utf-8 -*-
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# Copyright (c) 2009-2013 - Simon Conseil
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# Copyright (c) 2013 - Christophe-Marie Duquesne
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# Permission is hereby granted, free of charge, to any person obtaining a copy
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# of this software and associated documentation files (the "Software"), to
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# deal in the Software without restriction, including without limitation the
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# rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
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# sell copies of the Software, and to permit persons to whom the Software is
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# furnished to do so, subject to the following conditions:
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# The above copyright notice and this permission notice shall be included in
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# all copies or substantial portions of the Software.
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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# FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
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# IN THE SOFTWARE.
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import logging
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import os
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_DEFAULT_CONFIG = {
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'source': '',
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'destination': '_build',
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'img_size': (640, 480),
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'img_processor': 'ResizeToFit',
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'adjust_options': {'color': 1.0, 'brightness': 1.0,
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'contrast': 1.0, 'sharpness': 1.0},
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'make_thumbs': True,
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'thumb_prefix': '',
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'thumb_suffix': '',
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'thumb_size': (200, 150),
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'thumb_dir': 'thumbnails',
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'thumb_fit': True,
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'keep_orig': False,
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'orig_dir': 'original',
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'jpg_options': {'quality': 85, 'optimize': True, 'progressive': True},
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'webm_options': {'crf': '10', 'bitrate': '1.6M',
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'qmin': '4', 'qmax': '63'},
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'copyright': '',
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'img_ext_list': ['.jpg', '.jpeg', '.JPG', '.JPEG', '.png'],
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'vid_ext_list': ['.MOV', '.mov', '.avi', '.mp4', '.webm', '.ogv'],
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'theme': 'colorbox',
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'write_html': True,
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'index_in_url': False,
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'zip_gallery': False,
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'links': '',
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'google_analytics': '',
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'copy_exif_data': True,
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'locale': ''
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}
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def get_thumb(settings, filename):
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"""Return the path to the thumb.
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examples:
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>>> get_thumb(default_settings, "bar/foo.jpg")
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"bar/thumbnails/foo.jpg"
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>>> get_thumb(default_settings, "bar/foo.png")
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"bar/thumbnails/foo.png"
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for videos, it returns a jpg file:
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>>> get_thumb(default_settings, "bar/foo.webm")
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"bar/thumbnails/foo.jpg"
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"""
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path, filen = os.path.split(filename)
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name, ext = os.path.splitext(filen)
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if ext in settings['vid_ext_list']:
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ext = '.jpg'
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return os.path.join(path, settings['thumb_dir'], settings['thumb_prefix'] +
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name + settings['thumb_suffix'] + ext)
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def get_orig(settings, filename):
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"""Return the path to the original image."""
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path, filen = os.path.split(filename)
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return os.path.join(path, settings['orig_dir'], filen)
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def read_settings(filename=None):
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"""Read settings from a config file in the source_dir root."""
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logger = logging.getLogger(__name__)
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logger.info("Reading settings ...")
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settings = _DEFAULT_CONFIG.copy()
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settings_path = os.path.dirname(filename)
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if filename:
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logger.debug("Settings file: %s", filename)
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tempdict = {}
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execfile(filename, tempdict)
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settings.update((k, v) for k, v in tempdict.iteritems()
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if k not in ['__builtins__'])
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# Make the paths relative to the settings file
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paths = ['source', 'destination']
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if os.path.isdir(os.path.join(settings_path, settings['theme'])):
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paths.append('theme')
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for p in paths:
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path = settings[p]
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if path and not os.path.isabs(path):
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settings[p] = os.path.abspath(os.path.normpath(os.path.join(
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settings_path, path)))
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logger.debug("Rewrite %s : %s -> %s", p, path, settings[p])
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for key in ('img_size', 'thumb_size'):
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w, h = settings[key]
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if h > w:
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settings[key] = (h, w)
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logger.warning("The %s setting should be specified with the "
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"largest value first.", key)
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return settings
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def create_settings(**kwargs):
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"""Create a new default setting copy and initialize it with kwargs."""
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settings = _DEFAULT_CONFIG.copy()
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settings.update(kwargs)
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return settings
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