write the setup.py and move executables to 'scripts/' (for now, 'bin' might be better)
# DeGAL - A pretty simple web image gallery
# Copyright (C) 2007 Tero Marttila
# http://marttila.de/~terom/degal/
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the
# Free Software Foundation, Inc.,
# 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
#
import os, os.path
import PIL.Image
import dexif
import settings, utils, log
from template import image as image_tpl
class Image (object) :
def __init__ (self, dir, name) :
# the image filename, e.g. DSC3948.JPG
self.name = unicode(name)
# the Folder object that we are in
self.dir = dir
# the relative path from the root to us
self.path = dir.pathFor(self.name)
# the basename+ext, e.g. DSCR3948, .JPG
self.base_name, self.ext = os.path.splitext(self.name)
# our user-friendly title
self.title = self.name
# our long-winded description
self.descr = ''
# the image before and after us, both may be None
self.prev = self.next = None
# the image-relative names for the html page, thumb and preview images
self.html_name = self.name + ".html"
self.thumb_name = utils.url_join(settings.THUMB_DIR, self.name)
self.preview_name = utils.url_join(settings.PREVIEW_DIR, self.name)
# the root-relative paths to the html page, thumb and preview images
self.html_path = self.dir.pathFor(self.html_name)
self.thumb_path = self.dir.pathFor(settings.THUMB_DIR, self.name)
self.preview_path = self.dir.pathFor(settings.PREVIEW_DIR, self.name)
#
# Figured out after prepare
#
# (w, h) tuple
self.img_size = None
# the ShortURL code for this image
self.shorturl_code = None
# EXIF data
self.exif_data = {}
# what to use in the rendered templates, intended to be overridden by subclasses
self.series_act = "add"
self.series_verb = "Add to"
def getObjInfo (self) :
"""
Metadata for shorturl2.db
"""
return 'img', self.dir.path, self.name
def breadcrumb (self) :
"""
Returns a [(fname, title)] list of this image's parents
"""
return self.dir.breadcrumb(forImg=self) + [(self.html_name, self.title)]
def render (self) :
"""
Write out the .html file
"""
# stat the image file to get the filesize and mtime
st = os.stat(self.path)
self.filesize = st.st_size
self.timestamp = st.st_mtime
# open the image in PIL to get image attributes + generate thumbnails
img = PIL.Image.open(self.path)
self.img_size = img.size
for out_path, geom in ((self.thumb_path, settings.THUMB_GEOM), (self.preview_path, settings.PREVIEW_GEOM)) :
# if it doesn't exist, or it's older than the image itself, generate
if utils.mtime(out_path) < self.timestamp :
log.info("render [%sx%s]", geom[0], geom[1], wait=True)
# XXX: is this the most efficient way to do this? It seems slow
out_img = img.copy()
out_img.thumbnail(geom, resample=True)
out_img.save(out_path)
log.done()
# look for the metadata file
title_path = self.dir.pathFor(self.base_name + '.txt')
self.title, self.descr = utils.readTitleDescr(title_path)
if not self.title :
self.title = self.name
if utils.mtime(self.html_path) < self.timestamp :
log.info("render %s.html", self.name)
# parse the exif data from the file
try :
self.exif_data = dexif.parse_exif(self.path)
except dexif.ExifError, message:
log.warning("Reading EXIF data for %s failed: %s" % (self.filename, message))
self.exif_data = {}
image_tpl.render_to(self.html_path,
stylesheet_url = self.dir.inRoot('style.css'),
title = self.title,
breadcrumb = self.breadcrumb(),
prev = self.prev,
next = self.next,
img = self,
description = self.descr,
filename = self.name,
img_size = self.img_size,
file_size = self.filesize,
timestamp = self.timestamp,
exif_data = self.exif_data,
shorturl = self.dir.inRoot('s', self.shorturl_code),
shorturl_code = self.shorturl_code,
series_url = self.dir.inRoot('series/%s/%s' % (self.series_act, self.shorturl_code)),
series_verb = self.series_verb,
)
def __str__ (self) :
return "Image `%s' in `%s'" % (self.name, self.dir.path)