/usr/lib/python2.7/dist-packages/dosagelib/comic.py is in dosage 2.15-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 | # -*- coding: iso-8859-1 -*-
# Copyright (C) 2004-2005 Tristan Seligmann and Jonathan Jacobs
# Copyright (C) 2012-2014 Bastian Kleineidam
import os
from .output import out
from .util import getImageObject, normaliseURL, unquote, getDirname, getFilename, writeFile
from .events import getHandler
class ComicStrip(object):
"""A list of comic image URLs."""
def __init__(self, name, stripUrl, imageUrls, namer, session, text=None):
"""Store the image URL list."""
self.name = name
self.stripUrl = stripUrl
self.imageUrls = imageUrls
self.namer = namer
self.session = session
self.text = text
def getImages(self):
"""Get a list of image downloaders."""
for imageUrl in self.imageUrls:
yield self.getDownloader(normaliseURL(imageUrl))
def getDownloader(self, url):
"""Get an image downloader."""
filename = self.namer(url, self.stripUrl)
if filename is None:
filename = url.rsplit('/', 1)[1]
dirname = getDirname(self.name)
return ComicImage(self.name, url, self.stripUrl, dirname, filename, self.session, text=self.text)
class ComicImage(object):
"""A comic image downloader."""
ChunkBytes = 1024 * 100 # 100KB
def __init__(self, name, url, referrer, dirname, filename, session, text=None):
"""Set URL and filename."""
self.name = name
self.referrer = referrer
self.url = url
self.dirname = dirname
filename = getFilename(filename)
self.filename, self.ext = os.path.splitext(filename)
self.session = session
self.text = text
def connect(self):
"""Connect to host and get meta information."""
self.urlobj = getImageObject(self.url, self.referrer, self.session)
content_type = unquote(self.urlobj.headers.get('content-type', 'application/octet-stream'))
content_type = content_type.split(';', 1)[0]
if '/' in content_type:
maintype, subtype = content_type.split('/', 1)
else:
maintype = content_type
subtype = None
if maintype != 'image' and content_type not in ('application/octet-stream', 'application/x-shockwave-flash'):
raise IOError('content type %r is not an image at %s' % (content_type, self.url))
# Always use mime type for file extension if it is sane.
if maintype == 'image':
self.ext = '.' + subtype.replace('jpeg', 'jpg')
self.contentLength = int(self.urlobj.headers.get('content-length', 0))
out.debug(u'... filename = %r, ext = %r, contentLength = %d' % (self.filename, self.ext, self.contentLength))
def save(self, basepath):
"""Save comic URL to filename on disk."""
out.info(u"Get image URL %s" % self.url, level=1)
self.connect()
filename = "%s%s" % (self.filename, self.ext)
comicDir = os.path.join(basepath, self.dirname)
if not os.path.isdir(comicDir):
os.makedirs(comicDir)
fn = os.path.join(comicDir, filename)
# compare with >= since content length could be the compressed size
if os.path.isfile(fn) and os.path.getsize(fn) >= self.contentLength:
out.info(u'Skipping existing file "%s".' % fn)
return fn, False
content = self.urlobj.content
if not content:
out.warn(u"Empty content from %s, try again..." % self.url)
self.connect()
content = self.urlobj.content
out.debug(u'Writing comic to file %s...' % fn)
writeFile(fn, content)
if self.text:
fntext = os.path.join(comicDir, "%s.txt" % self.filename)
out.debug(u'Writing comic text to file %s...' % fntext)
writeFile(fntext, self.text, encoding='utf-8')
getHandler().comicDownloaded(self, fn, text=self.text)
return fn, True
|