710 lines
25 KiB
Python
710 lines
25 KiB
Python
# -*- coding:utf-8 -*-
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# Copyright (c) 2009-2014 - Simon Conseil
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# Copyright (c) 2013 - Christophe-Marie Duquesne
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# Copyright (c) 2014 - Jonas Kaufmann
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# Copyright (c) 2015 - François D.
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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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from __future__ import absolute_import, print_function
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import fnmatch
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import logging
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import multiprocessing
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import os
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import sys
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import zipfile
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from click import progressbar, get_terminal_size
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from collections import defaultdict
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from datetime import datetime
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from itertools import cycle
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from os.path import isfile, join, splitext
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from . import image, video, signals
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from .compat import PY2, UnicodeMixin, strxfrm, url_quote, text_type, pickle
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from .image import process_image, get_exif_tags, get_exif_data, get_size
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from .settings import get_thumb
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from .utils import (Devnull, copy, check_or_create_dir, url_from_path,
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read_markdown, cached_property, is_valid_html5_video,
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get_mime)
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from .video import process_video
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from .writer import Writer
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class Media(UnicodeMixin):
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"""Base Class for media files.
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Attributes:
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- ``type``: ``"image"`` or ``"video"``.
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- ``filename``: Filename of the resized image.
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- ``thumbnail``: Location of the corresponding thumbnail image.
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- ``big``: If not None, location of the unmodified image.
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- ``exif``: If not None contains a dict with the most common tags. For more
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information, see :ref:`simple-exif-data`.
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- ``raw_exif``: If not ``None``, it contains the raw EXIF tags.
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"""
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type = ''
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extensions = ()
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def __init__(self, filename, path, settings):
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self.src_filename = self.filename = self.url = filename
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self.path = path
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self.settings = settings
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self.ext = os.path.splitext(filename)[1].lower()
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self.src_path = join(settings['source'], path, filename)
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self.dst_path = join(settings['destination'], path, filename)
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self.thumb_name = get_thumb(self.settings, self.filename)
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self.thumb_path = join(settings['destination'], path, self.thumb_name)
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self.logger = logging.getLogger(__name__)
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self._get_metadata()
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signals.media_initialized.send(self)
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def __repr__(self):
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return "<%s>(%r)" % (self.__class__.__name__, str(self))
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def __unicode__(self):
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return join(self.path, self.filename)
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@property
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def big(self):
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"""Path to the original image, if ``keep_orig`` is set (relative to the
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album directory). Copy the file if needed.
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"""
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if self.settings['keep_orig']:
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s = self.settings
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if s['use_orig']:
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# The image *is* the original, just use it
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return self.filename
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orig_path = join(s['destination'], self.path, s['orig_dir'])
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check_or_create_dir(orig_path)
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copy(self.src_path, join(orig_path, self.src_filename),
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symlink=s['orig_link'])
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return url_from_path(join(s['orig_dir'], self.src_filename))
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@property
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def thumbnail(self):
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"""Path to the thumbnail image (relative to the album directory)."""
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if not os.path.isfile(self.thumb_path):
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# if thumbnail is missing (if settings['make_thumbs'] is False)
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if self.type == 'image':
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generator = image.generate_thumbnail
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elif self.type == 'video':
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generator = video.generate_thumbnail
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self.logger.debug('Generating thumbnail for %r', self)
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try:
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generator(self.src_path, self.thumb_path,
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self.settings['thumb_size'],
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self.settings['thumb_video_delay'],
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fit=self.settings['thumb_fit'])
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except Exception as e:
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self.logger.error('Failed to generate thumbnail: %s', e)
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return
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return url_from_path(self.thumb_name)
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def _get_metadata(self):
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""" Get image metadata from filename.md: title, description, meta."""
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self.description = ''
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self.meta = {}
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self.title = ''
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descfile = splitext(self.src_path)[0] + '.md'
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if isfile(descfile):
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meta = read_markdown(descfile)
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for key, val in meta.items():
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setattr(self, key, val)
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class Image(Media):
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"""Gather all informations on an image file."""
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type = 'image'
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extensions = ('.jpg', '.jpeg', '.png', '.gif')
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@cached_property
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def date(self):
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return self.exif and self.exif.get('dateobj', None) or None
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@cached_property
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def exif(self):
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return (get_exif_tags(self.raw_exif)
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if self.raw_exif and self.ext in ('.jpg', '.jpeg') else None)
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@cached_property
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def raw_exif(self):
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try:
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return (get_exif_data(self.src_path)
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if self.ext in ('.jpg', '.jpeg') else None)
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except Exception:
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self.logger.warning(u'Could not read EXIF data from %s',
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self.src_path)
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@cached_property
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def size(self):
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return get_size(self.dst_path)
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@cached_property
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def thumb_size(self):
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return get_size(self.thumb_path)
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def has_location(self):
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return self.exif is not None and 'gps' in self.exif
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class Video(Media):
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"""Gather all informations on a video file."""
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type = 'video'
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extensions = ('.mov', '.avi', '.mp4', '.webm', '.ogv')
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def __init__(self, filename, path, settings):
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super(Video, self).__init__(filename, path, settings)
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base, ext = splitext(filename)
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self.date = None
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self.src_filename = filename
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if not settings['use_orig'] or not is_valid_html5_video(ext):
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video_format = settings['video_format']
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ext = '.' + video_format
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self.filename = self.url = base + ext
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self.mime = get_mime(ext)
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self.dst_path = join(settings['destination'], path, base + ext)
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else:
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self.mime = get_mime(ext)
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class Album(UnicodeMixin):
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"""Gather all informations on an album.
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Attributes:
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:var description_file: Name of the Markdown file which gives information
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on an album
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:ivar index_url: URL to the index page.
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:ivar output_file: Name of the output HTML file
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:ivar meta: Meta data from the Markdown file.
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:ivar description: description from the Markdown file.
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For details how to annotate your albums with meta data, see
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:doc:`album_information`.
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"""
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description_file = "index.md"
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def __init__(self, path, settings, dirnames, filenames, gallery):
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self.path = path
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self.name = path.split(os.path.sep)[-1]
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self.gallery = gallery
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self.settings = settings
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self.subdirs = dirnames
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self.output_file = settings['output_filename']
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self._thumbnail = None
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if path == '.':
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self.src_path = settings['source']
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self.dst_path = settings['destination']
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else:
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self.src_path = join(settings['source'], path)
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self.dst_path = join(settings['destination'], path)
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self.logger = logging.getLogger(__name__)
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self._get_metadata()
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# optionally add index.html to the URLs
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self.url_ext = self.output_file if settings['index_in_url'] else ''
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self.index_url = url_from_path(os.path.relpath(
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settings['destination'], self.dst_path)) + '/' + self.url_ext
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#: List of all medias in the album (:class:`~sigal.gallery.Image` and
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#: :class:`~sigal.gallery.Video`).
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self.medias = medias = []
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self.medias_count = defaultdict(int)
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for f in filenames:
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ext = splitext(f)[1]
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if ext.lower() in Image.extensions:
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media = Image(f, self.path, settings)
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elif ext.lower() in Video.extensions:
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media = Video(f, self.path, settings)
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else:
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continue
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self.medias_count[media.type] += 1
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medias.append(media)
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signals.album_initialized.send(self)
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def __repr__(self):
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return "<%s>(path=%r, title=%r)" % (self.__class__.__name__, self.path,
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self.title)
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def __unicode__(self):
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return (u"{} : ".format(self.path) +
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', '.join("{} {}s".format(count, _type)
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for _type, count in self.medias_count.items()))
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def __len__(self):
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return len(self.medias)
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def __iter__(self):
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return iter(self.medias)
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def _get_metadata(self):
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"""Get album metadata from `description_file` (`index.md`):
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-> title, thumbnail image, description
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"""
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descfile = join(self.src_path, self.description_file)
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self.description = ''
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self.meta = {}
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# default: get title from directory name
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self.title = os.path.basename(self.path if self.path != '.'
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else self.src_path)
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if isfile(descfile):
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meta = read_markdown(descfile)
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for key, val in meta.items():
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setattr(self, key, val)
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try:
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self.author = self.meta['author'][0]
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except KeyError:
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self.author = self.settings.get('author')
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def create_output_directories(self):
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"""Create output directories for thumbnails and original images."""
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check_or_create_dir(self.dst_path)
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if self.medias:
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check_or_create_dir(join(self.dst_path,
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self.settings['thumb_dir']))
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if self.medias and self.settings['keep_orig']:
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self.orig_path = join(self.dst_path, self.settings['orig_dir'])
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check_or_create_dir(self.orig_path)
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def sort_subdirs(self, albums_sort_attr):
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if self.subdirs:
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if albums_sort_attr:
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root_path = self.path if self.path != '.' else ''
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if albums_sort_attr.startswith("meta."):
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meta_key = albums_sort_attr.split(".", 1)[1]
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key = lambda s: strxfrm(
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self.gallery.albums[join(root_path, s)].meta.get(meta_key, [''])[0])
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else:
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key = lambda s: strxfrm(getattr(
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self.gallery.albums[join(root_path, s)], albums_sort_attr))
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else:
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key = strxfrm
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self.subdirs.sort(key=key,
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reverse=self.settings['albums_sort_reverse'])
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signals.albums_sorted.send(self)
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def sort_medias(self, medias_sort_attr):
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if self.medias:
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if medias_sort_attr == 'date':
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key = lambda s: s.date or datetime.now()
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elif medias_sort_attr.startswith('meta.'):
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meta_key = medias_sort_attr.split(".", 1)[1]
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key = lambda s: strxfrm(s.meta.get(meta_key, [''])[0])
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else:
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key = lambda s: strxfrm(getattr(s, medias_sort_attr))
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self.medias.sort(key=key,
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reverse=self.settings['medias_sort_reverse'])
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signals.medias_sorted.send(self)
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@property
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def images(self):
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"""List of images (:class:`~sigal.gallery.Image`)."""
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for media in self.medias:
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if media.type == 'image':
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yield media
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@property
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def videos(self):
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"""List of videos (:class:`~sigal.gallery.Video`)."""
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for media in self.medias:
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if media.type == 'video':
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yield media
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@property
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def albums(self):
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"""List of :class:`~sigal.gallery.Album` objects for each
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sub-directory.
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"""
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root_path = self.path if self.path != '.' else ''
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return [self.gallery.albums[join(root_path, path)]
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for path in self.subdirs]
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@property
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def url(self):
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"""URL of the album, relative to its parent."""
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url = self.name.encode('utf-8')
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return url_quote(url) + '/' + self.url_ext
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@property
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def thumbnail(self):
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"""Path to the thumbnail of the album."""
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if self._thumbnail:
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# stop if it is already set
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return url_from_path(self._thumbnail)
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# Test the thumbnail from the Markdown file.
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thumbnail = self.meta.get('thumbnail', [''])[0]
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if thumbnail and isfile(join(self.src_path, thumbnail)):
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self._thumbnail = join(self.name, get_thumb(self.settings,
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thumbnail))
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self.logger.debug("Thumbnail for %r : %s", self, self._thumbnail)
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return url_from_path(self._thumbnail)
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else:
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# find and return the first landscape image
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for f in self.medias:
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ext = splitext(f.filename)[1]
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if ext.lower() in Image.extensions:
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# Use f.size if available as it is quicker (in cache), but
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# fallback to the size of src_path if dst_path is missing
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size = f.size
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if size is None:
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size = get_size(f.src_path)
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if size['width'] > size['height']:
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self._thumbnail = join(self.name, f.thumbnail)
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self.logger.debug(
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"Use 1st landscape image as thumbnail for %r :"
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" %s", self, self._thumbnail)
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return url_from_path(self._thumbnail)
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# else simply return the 1st media file
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if not self._thumbnail and self.medias:
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for media in self.medias:
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if media.thumbnail is not None:
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self._thumbnail = join(self.name, media.thumbnail)
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break
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else:
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self.logger.warning("No thumbnail found for %r", self)
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return None
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self.logger.debug("Use the 1st image as thumbnail for %r : %s",
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self, self._thumbnail)
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return url_from_path(self._thumbnail)
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# use the thumbnail of their sub-directories
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if not self._thumbnail:
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for path, album in self.gallery.get_albums(self.path):
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if album.thumbnail:
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self._thumbnail = join(self.name, album.thumbnail)
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self.logger.debug(
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"Using thumbnail from sub-directory for %r : %s",
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self, self._thumbnail)
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return url_from_path(self._thumbnail)
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self.logger.error('Thumbnail not found for %r', self)
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return None
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@property
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def breadcrumb(self):
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"""List of ``(url, title)`` tuples defining the current breadcrumb
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path.
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"""
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if self.path == '.':
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return []
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path = self.path
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breadcrumb = [((self.url_ext or '.'), self.title)]
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while True:
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path = os.path.normpath(os.path.join(path, '..'))
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if path == '.':
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break
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url = (url_from_path(os.path.relpath(path, self.path)) + '/' +
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self.url_ext)
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breadcrumb.append((url, self.gallery.albums[path].title))
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breadcrumb.reverse()
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return breadcrumb
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@property
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def show_map(self):
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"""Check if we have at least one photo with GPS location in the album
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"""
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return any(image.has_location() for image in self.images)
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@property
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def zip(self):
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"""Make a ZIP archive with all media files and return its path.
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If the ``zip_gallery`` setting is set,it contains the location of a zip
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archive with all original images of the corresponding directory.
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"""
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zip_gallery = self.settings['zip_gallery']
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if zip_gallery and len(self) > 0:
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archive_path = join(self.dst_path, zip_gallery)
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archive = zipfile.ZipFile(archive_path, 'w', allowZip64=True)
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attr = ('src_path' if self.settings['zip_media_format'] == 'orig'
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else 'dst_path')
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for p in self:
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path = getattr(p, attr)
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try:
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archive.write(path, os.path.split(path)[1])
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except OSError as e:
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self.logger.warn('Failed to add %s to the ZIP: %s', p, e)
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archive.close()
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self.logger.debug('Created ZIP archive %s', archive_path)
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return zip_gallery
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class Gallery(object):
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def __init__(self, settings, ncpu=None):
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self.settings = settings
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self.logger = logging.getLogger(__name__)
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self.stats = defaultdict(int)
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self.init_pool(ncpu)
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check_or_create_dir(settings['destination'])
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# Build the list of directories with images
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albums = self.albums = {}
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src_path = self.settings['source']
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ignore_dirs = settings['ignore_directories']
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ignore_files = settings['ignore_files']
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progressChars = cycle(["/", "-", "\\", "|"])
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if self.logger.getEffectiveLevel() >= logging.WARNING:
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self.progressbar_target = None
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else:
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self.progressbar_target = Devnull()
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for path, dirs, files in os.walk(src_path, followlinks=True,
|
|
topdown=False):
|
|
if self.logger.getEffectiveLevel() >= logging.WARNING:
|
|
print("\rCollecting albums " + next(progressChars), end="")
|
|
relpath = os.path.relpath(path, src_path)
|
|
|
|
# Test if the directory match the ignore_dirs settings
|
|
if ignore_dirs and any(fnmatch.fnmatch(relpath, ignore)
|
|
for ignore in ignore_dirs):
|
|
self.logger.info('Ignoring %s', relpath)
|
|
continue
|
|
|
|
# Remove files that match the ignore_files settings
|
|
if ignore_files:
|
|
files_path = {join(relpath, f) for f in files}
|
|
for ignore in ignore_files:
|
|
files_path -= set(fnmatch.filter(files_path, ignore))
|
|
|
|
self.logger.debug('Files before filtering: %r', files)
|
|
files = [os.path.split(f)[1] for f in files_path]
|
|
self.logger.debug('Files after filtering: %r', files)
|
|
|
|
# Remove sub-directories that have been ignored in a previous
|
|
# iteration (as topdown=False, sub-directories are processed before
|
|
# their parent
|
|
for d in dirs[:]:
|
|
path = join(relpath, d) if relpath != '.' else d
|
|
if path not in albums.keys():
|
|
dirs.remove(d)
|
|
|
|
album = Album(relpath, settings, dirs, files, self)
|
|
|
|
if not album.medias and not album.albums:
|
|
self.logger.info('Skip empty album: %r', album)
|
|
else:
|
|
album.create_output_directories()
|
|
albums[relpath] = album
|
|
|
|
with progressbar(albums.values(), label="Sorting albums",
|
|
file=self.progressbar_target) as progress_albums:
|
|
for album in progress_albums:
|
|
album.sort_subdirs(settings['albums_sort_attr'])
|
|
|
|
with progressbar(albums.values(), label="Sorting media",
|
|
file=self.progressbar_target) as progress_albums:
|
|
for album in progress_albums:
|
|
album.sort_medias(settings['medias_sort_attr'])
|
|
|
|
self.logger.debug('Albums:\n%r', albums.values())
|
|
signals.gallery_initialized.send(self)
|
|
|
|
@property
|
|
def title(self):
|
|
"""Title of the gallery."""
|
|
return self.settings['title'] or self.albums['.'].title
|
|
|
|
def init_pool(self, ncpu):
|
|
try:
|
|
cpu_count = multiprocessing.cpu_count()
|
|
except NotImplementedError:
|
|
cpu_count = 1
|
|
|
|
if ncpu is None:
|
|
ncpu = cpu_count
|
|
else:
|
|
try:
|
|
ncpu = int(ncpu)
|
|
except ValueError:
|
|
self.logger.error('ncpu should be an integer value')
|
|
ncpu = cpu_count
|
|
|
|
self.logger.info("Using %s cores", ncpu)
|
|
if ncpu > 1:
|
|
self.pool = multiprocessing.Pool(processes=ncpu)
|
|
else:
|
|
self.pool = None
|
|
|
|
def get_albums(self, path):
|
|
"""Return the list of all sub-directories of path."""
|
|
|
|
for name in self.albums[path].subdirs:
|
|
subdir = os.path.normpath(join(path, name))
|
|
yield subdir, self.albums[subdir]
|
|
for subname, album in self.get_albums(subdir):
|
|
yield subname, self.albums[subdir]
|
|
|
|
def build(self, force=False):
|
|
"Create the image gallery"
|
|
|
|
if not self.albums:
|
|
self.logger.warning("No albums found.")
|
|
return
|
|
|
|
def log_func(x):
|
|
# 63 is the total length of progressbar, label, percentage, etc
|
|
available_length = get_terminal_size()[0] - 64
|
|
if x and available_length > 10:
|
|
text = text_type(x.name)[:available_length]
|
|
if PY2:
|
|
text = text.encode('utf-8')
|
|
return text
|
|
else:
|
|
return ""
|
|
|
|
try:
|
|
with progressbar(self.albums.values(), label="Collecting files",
|
|
item_show_func=log_func, show_eta=False,
|
|
file=self.progressbar_target) as albums:
|
|
media_list = [f for album in albums
|
|
for f in self.process_dir(album, force=force)]
|
|
except KeyboardInterrupt:
|
|
sys.exit('Interrupted')
|
|
|
|
bar_opt = {'label': "Processing files",
|
|
'show_pos': True,
|
|
'file': self.progressbar_target}
|
|
failed_files = []
|
|
|
|
if self.pool:
|
|
try:
|
|
with progressbar(length=len(media_list), **bar_opt) as bar:
|
|
for res in self.pool.imap_unordered(worker, media_list):
|
|
if res:
|
|
failed_files.append(res)
|
|
next(bar)
|
|
self.pool.close()
|
|
self.pool.join()
|
|
except KeyboardInterrupt:
|
|
self.pool.terminate()
|
|
sys.exit('Interrupted')
|
|
except pickle.PicklingError:
|
|
self.logger.critical(
|
|
"Failed to process files with the multiprocessing feature."
|
|
" This can be caused by some module import or object "
|
|
"defined in the settings file, which can't be serialized.",
|
|
exc_info=True)
|
|
sys.exit('Abort')
|
|
else:
|
|
with progressbar(media_list, **bar_opt) as medias:
|
|
for media_item in medias:
|
|
res = process_file(media_item)
|
|
if res:
|
|
failed_files.append(res)
|
|
|
|
if failed_files:
|
|
self.remove_files(failed_files)
|
|
print('')
|
|
|
|
if self.settings['write_html']:
|
|
writer = Writer(self.settings, index_title=self.title)
|
|
for album in self.albums.values():
|
|
writer.write(album)
|
|
|
|
signals.gallery_build.send(self)
|
|
|
|
def remove_files(self, files):
|
|
self.logger.error('Some files have failed to be processed:')
|
|
for path, filename in files:
|
|
self.logger.error(' - %s/%s', path, filename)
|
|
album = self.albums[path]
|
|
for f in album.medias:
|
|
if f.filename == filename:
|
|
self.stats[f.type + '_failed'] += 1
|
|
album.medias.remove(f)
|
|
break
|
|
self.logger.error('You can run sigal in verbose (--verbose) or debug '
|
|
'(--debug) mode to get more details.')
|
|
|
|
def process_dir(self, album, force=False):
|
|
"""Process a list of images in a directory."""
|
|
for f in album:
|
|
if isfile(f.dst_path) and not force:
|
|
self.logger.info("%s exists - skipping", f.filename)
|
|
self.stats[f.type + '_skipped'] += 1
|
|
else:
|
|
self.stats[f.type] += 1
|
|
yield (f.type, f.path, f.filename, f.src_path, album.dst_path,
|
|
self.settings)
|
|
|
|
|
|
def process_file(args):
|
|
# args => ftype, path, filename, src_path, dst_path, settings
|
|
processor = process_image if args[0] == 'image' else process_video
|
|
ret = processor(*args[3:])
|
|
# If the processor return an error (ret != 0), then we return the path and
|
|
# filename of the failed file to the parent process.
|
|
return args[1:3] if ret else None
|
|
|
|
|
|
def worker(args):
|
|
try:
|
|
return process_file(args)
|
|
except KeyboardInterrupt:
|
|
pass
|