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+#!/usr/bin/python3
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+
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+import os
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+from os.path import isdir, isfile, join, getmtime
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+from pathlib import Path
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+import pyexiv2
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+import random
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+import re
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+import sys
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+from string import Template
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+import subprocess
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+import traceback
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+from configparser import ConfigParser
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+from optparse import OptionParser
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+from PIL import Image, ImageOps
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+
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+__all__ = []
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+__version__ = 0.1
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+__date__ = '2021-12-27'
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+__updated__ = '2021-12-27'
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+
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+DEBUG = 0
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+TESTRUN = 0
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+PROFILE = 0
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+
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+thumbsize = (202, 202)
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+thumbsize = (250, 250)
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+
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+html = Template("""<html>
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+ <head>
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+ <title>$title</title>
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+ <link type="text/css" rel="stylesheet" href="/res/css/lightgallery-bundle.css" />
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+ <link type="text/css" rel="stylesheet" href="/res/css/lg-zoom.css" />
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+ <link type="text/css" rel="stylesheet" href="/res/css/lg-thumbnail.css" />
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+ <link type="text/css" rel="stylesheet" href="/res/css/bootstrap.min.css" />
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+ <link type="text/css" rel="stylesheet" href="/res/user.css" />
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+ <script src="/res/js/lightgallery.min.js"></script>
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+ <script src="/res/plugins/hash/lg-hash.min.js"></script>
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+ <script src="/res/plugins/fullscreen/lg-fullscreen.min.js"></script>
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+ <script src="/res/plugins/autoplay/lg-autoplay.min.js"></script>
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+ <script src="/res/plugins/thumbnail/lg-thumbnail.min.js"></script>
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+ <script src="/res/plugins/zoom/lg-zoom.min.js"></script>
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+ <style>
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+ #header {
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+ background-image: url("header/header.jpg");
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+ }
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+ </style>
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+ </head>
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+ <body>
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+ <div id="header">
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+ <h1>$title</h1>
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+ <div id="nav">$navigation</div>
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+ </div>
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+ <div id="outer_lightgallery">
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+ <div id="lightgallery">
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+ $images
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+ </div>
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+ </div>
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+ <script type="text/javascript">
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+ lightGallery(document.getElementById('lightgallery'), {
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+ plugins: [lgZoom, lgThumbnail, lgAutoplay, lgFullscreen ],
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+ //speed: 500,
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+ //mode: 'fade',
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+ licenseKey: '0000-0000-000-0000'
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+ });
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+ </script>
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+ </body>
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+</html>
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+""")
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+
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+# Priorität der Auswertung
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+# 1. Exifdaten
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+def get_caption(jpg):
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+ metadata = pyexiv2.ImageMetadata(jpg)
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+ metadata.read()
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+ tags = ''
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+ indextags = ''
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+ year = ''
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+ try:
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+ year = re.sub(':\d\d:\d\d\s\d\d:\d\d:\d\d', '', metadata['Exif.Image.DateTimeOriginal'].raw_value)
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+ tags = str(year)
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+ indextags = 'year|' + year
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+ except:
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+ pass
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+ try:
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+ tags = tags + ', ' + metadata['Xmp.dc.title'].value["x-default"]
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+ indextags = indextags + ',' + 'title|' + metadata['Xmp.dc.title'].value["x-default"].replace(',','')
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+ except:
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+ pass
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+ try:
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+ tags = tags + ', ' + metadata['Xmp.dc.description'].value["x-default"]
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+ indextags = indextags + ',' + 'description|' + metadata['Xmp.dc.description'].value["x-default"].replace(',','')
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+ except:
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+ pass
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+ try:
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+ for l in metadata['Xmp.lr.hierarchicalSubject'].raw_value:
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+ tags = tags + ', ' + l.split('|')[-1] # last element of list
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+ indextags = indextags + ',' + l.split('|')[0] + '|' + l.split('|')[-1] # last element of list
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+ except:
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+ pass
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+ return(re.sub('^,\s', '', tags), re.sub('^,\s*', '', indextags), )
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+
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+def create_header(jpeglist):
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+ header = random.choice(jpeglist)
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+ if not os.path.exists('header'):
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+ os.makedirs('header')
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+ xsize = '2000'
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+ cmd = ['convert', '-quiet', header, '-thumbnail', xsize + 'x400^', '-gravity', 'center', '-extent', xsize + 'x400', "header/header.jpg"]
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+ subprocess.call(cmd, shell=False)
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+
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+def getimagesize(jpg):
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+ jpg = str(jpg)
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+ im = Image.open(jpg)
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+ width, height = im.size
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+ return(f"data-lg-size=\"{width}-{height}\"")
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+
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+def create_nav_link(link, text):
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+ if link == None:
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+ return('')
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+ link = str(link)
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+ if link.find(' ') > -1:
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+ link, text = link.split(' ', 1)
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+ return(f"<a href='{link}'>{text}</a>")
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+
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+def create_forward_link(link, text):
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+ if link == None:
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+ return('')
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+ link = str(link)
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+ if link.find(' ') > -1:
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+ link, text = link.split(' ', 1)
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+ return(f"<a href='{link}'>>> {text}</a>")
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+
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+def create_backward_link(link, text):
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+ if link == None:
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+ return('')
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+ link = str(link)
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+ if link.find(' ') > -1:
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+ link, text = link.split(' ', 1)
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+ return(f"<a href='{link}'>{text} <<</a>")
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+
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+def read_title_file():
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+ """ Wenn im aktuellen Verzeichnis eine Datei _title existiert, gib ihren Inhalt zurück"""
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+ try:
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+ with open('_title', 'r') as titlefile:
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+ return(titlefile.read())
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+ except:
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+ return None
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+
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+def makethumb(jpg):
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+ if not os.path.isdir('_thumbnails'):
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+ os.mkdir('_thumbnails');
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+ if not os.path.isfile(join('_thumbnails', jpg)):
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+ image = Image.open(jpg)
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+ # thumb = ImageOps.fit(image, thumbsize, Image.ANTIALIAS)
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+ # thumb.save(join('_thumbnails', jpg))
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+ image.thumbnail(thumbsize, Image.Resampling.LANCZOS)
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+ image.save(join('_thumbnails', jpg))
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+ else:
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+ if getmtime(jpg) > getmtime(join('_thumbnails', jpg)):
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+ image = Image.open(jpg)
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+ # thumb = ImageOps.fit(image, thumbsize, Image.ANTIALIAS)
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+ # thumb.save(join('_thumbnails', jpg))
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+ image.thumbnail(thumbsize, Image.ANTIALIAS)
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+ image.save(join('_thumbnails', jpg))
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+
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+def read_config(opts):
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+ try:
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+ config_object = ConfigParser()
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+ config_object.read( "." + os.path.splitext(os.path.basename(__file__))[0] )
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+ ini = dict(config_object.items('default'))
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+ for key in ini:
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+ if not opts.__dict__[key]:
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+ opts.__dict__[key] = ini[key]
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+ except:
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+ pass
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+
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+def write_config(opts):
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+ ini = {}
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+ for key in opts.__dict__:
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+ value = opts.__dict__[key]
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+ if value is None:
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+ pass
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+ elif key == 'verbose':
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+ pass
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+ else:
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+ ini[key] = str(value)
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+
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+ config_object = ConfigParser()
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+ config_object.read_dict({'default' : ini})
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+ with open("." + os.path.splitext(os.path.basename(__file__))[0], 'w') as conf:
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+ config_object.write(conf)
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+
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+def create_index_html(indexdir, opts):
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+ startdir = os.getcwd()
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+ os.chdir(indexdir)
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+ read_config(opts)
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+
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+ jpegs = []
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+ jpeglist = []
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+ valid_images = [".jpg",".JPG"]
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+ dirlist = os.listdir('.')
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+ dirlist.sort()
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+ for jpg in dirlist:
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+ ext = os.path.splitext(jpg)[1]
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+ if ext.lower() not in valid_images:
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+ continue
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+ makethumb(jpg);
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+ jpg = str(jpg)
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+ jpeglist.append(jpg)
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+ thumb = jpg
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+ caption, indextags = get_caption(jpg)
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+ sizestring = getimagesize(jpg)
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+ jpegs.append(f""" <a href="{jpg}" {sizestring} data-sub-html="{caption}" data_index="{indextags}">
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+ <img src="_thumbnails/{thumb}" />
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+ </a>""")
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+ images = "\n".join(jpegs)
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+
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+ create_header(jpeglist)
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+ forward = create_forward_link(opts.forward, 'weiter')
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+ backward = create_backward_link(opts.backward, 'zurück')
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+ up = create_nav_link('..', 'Index')
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+
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+ title = read_title_file() or opts.title or os.path.basename(os.path.normpath(os.getcwd()))
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+ with open('index.html', 'w') as f:
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+ f.write(html.substitute(images=images, title=title, navigation=' '.join([backward, up, forward]) ))
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+ write_config(opts)
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+ os.chdir(startdir)
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+
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+def main(argv=None):
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+ '''Command line options.'''
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+
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+ program_name = os.path.basename(sys.argv[0])
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+ program_version = "v0.1"
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+ program_build_date = "%s" % __updated__
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+
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+ program_version_string = '%%prog %s (%s)' % (program_version, program_build_date)
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+ program_longdesc = '''create index.html for lightgallery in a directory of jpegs'''
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+ program_license = "Copyright 2021 Markus Spring (markus-spring.info). \
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+ Licensed under the Apache License 2.0\nhttp://www.apache.org/licenses/LICENSE-2.0"
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+
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+ if argv is None:
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+ argv = sys.argv[1:]
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+ try:
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+ # setup option parser
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+ parser = OptionParser(version=program_version_string, epilog=program_longdesc, description=program_license)
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+ # parser.add_option("-i", "--in", dest="infile", help="set input path [default: %default]", metavar="FILE")
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+ # parser.add_option("-o", "--out", dest="outfile", help="set output path [default: %default]", metavar="FILE")
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+ parser.add_option("-v", "--verbose", dest="verbose", action="count", help="set verbosity level [default: %default]")
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+ parser.add_option("-t", "--title", action="store", dest="title", help="set gallery title [default: %default]")
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+ parser.add_option("-f", "--forward", action="store", dest="forward", help="forward url")
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+ parser.add_option("-b", "--backward", action="store", dest="backward", help="backward url")
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+ parser.add_option("-u", "--up", action="store", dest="up", help="up url")
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+
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+ parser.set_defaults( verbose=0 )
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+
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+ (opts, args) = parser.parse_args(argv)
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+
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+ if opts.verbose > 0:
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+ print(("verbosity level = %d" % opts.verbose))
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+ # if opts.title:
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+ # print(("title = %s" % opts.title))
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+
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+ if len(args) < 1:
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+ parser.error("directory argument missing")
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+ # MAIN BODY #
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+ create_index_html(args[0], opts)
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+
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+ except BaseException as ex:
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+ ex_type, ex_value, ex_traceback = sys.exc_info() # Get current system exception
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+ trace_back = traceback.extract_tb(ex_traceback) # Extract unformatter stack traces as tuples
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+ stack_trace = list() # Format stacktrace
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+
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+ for trace in trace_back:
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+ stack_trace.append("File : %s , Line : %d, Func.Name : %s, Message : %s" % (trace[0], trace[1], trace[2], trace[3]))
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+ print("Exception type : %s " % ex_type.__name__)
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+ print("Exception message : %s" %ex_value)
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+ print("Stack trace : %s" %stack_trace)
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+
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+
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+if __name__ == "__main__":
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+ if DEBUG:
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+ sys.argv.append("-h")
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+ if TESTRUN:
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+ import doctest
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+ doctest.testmod()
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+ if PROFILE:
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+ import cProfile
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+ import pstats
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+ profile_filename = 'config_reader.config_reader_profile.txt'
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+ cProfile.run('main()', profile_filename)
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+ statsfile = open("profile_stats.txt", "wb")
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+ p = pstats.Stats(profile_filename, stream=statsfile)
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+ stats = p.strip_dirs().sort_stats('cumulative')
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+ stats.print_stats()
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+ statsfile.close()
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+ sys.exit(0)
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+ sys.exit(main())
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+
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+# Local Variables:
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+# compile-command: "python3 /home/springm/projekte/python/lightgallery/create_lightgallery.py -t '1958-1963' -f '../002_1960-1962 1960-1962' -u.. /media/vaters_dias/001_1958-1963"
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+# End:
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+
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Markus Spring