Cutlery/calibre
1
0
Fork 0
mirror of https://github.com/kovidgoyal/calibre.git synced 2025-07-09 03:04:10 -04:00
Code Issues Packages Projects Releases Wiki Activity

No longer need Qt to generate the default cover for news downloads

Browse Source
This commit is contained in:
Kovid Goyal 2010-02-20 13:04:02 -07:00
parent 13e3d2c610
commit b42671831e
2 changed files with 46 additions and 59 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

BIN
resources/images/library.png
View File

Binary file not shown.
Side by Side Swipe Overlay

Before

Width:  |  Height:  |  Size: 116 KiB

After

Width:  |  Height:  |  Size: 124 KiB

105
src/calibre/web/feeds/news.py
View File

@ -19,15 +19,13 @@ from calibre.ebooks.BeautifulSoup import BeautifulSoup, NavigableString, CData,
from calibre.ebooks.metadata.opf2 import OPFCreator from calibre.ebooks.metadata.opf2 import OPFCreator
from calibre import entity_to_unicode from calibre import entity_to_unicode
from calibre.web import Recipe from calibre.web import Recipe
from calibre.ebooks import render_html
from calibre.ebooks.metadata.toc import TOC from calibre.ebooks.metadata.toc import TOC
from calibre.ebooks.metadata import MetaInformation from calibre.ebooks.metadata import MetaInformation
from calibre.web.feeds import feed_from_xml, templates, feeds_from_index, Feed from calibre.web.feeds import feed_from_xml, templates, feeds_from_index, Feed
from calibre.web.fetch.simple import option_parser as web2disk_option_parser from calibre.web.fetch.simple import option_parser as web2disk_option_parser
from calibre.web.fetch.simple import RecursiveFetcher from calibre.web.fetch.simple import RecursiveFetcher
from calibre.utils.threadpool import WorkRequest, ThreadPool, NoResultsPending from calibre.utils.threadpool import WorkRequest, ThreadPool, NoResultsPending
from calibre.ptempfile import PersistentTemporaryFile, \ from calibre.ptempfile import PersistentTemporaryFile
PersistentTemporaryDirectory
from calibre.utils.date import now as nowf from calibre.utils.date import now as nowf
class BasicNewsRecipe(Recipe): class BasicNewsRecipe(Recipe):
@ -928,63 +926,52 @@ class BasicNewsRecipe(Recipe):
''' '''
Create a generic cover for recipes that dont have a cover Create a generic cover for recipes that dont have a cover
''' '''
from calibre.gui2 import is_ok_to_use_qt try:
if not is_ok_to_use_qt(): try:
return False from PIL import Image, ImageDraw, ImageFont
img_data = open(I('library.png'), 'rb').read() Image, ImageDraw, ImageFont
tdir = PersistentTemporaryDirectory('_default_cover') except ImportError:
img = os.path.join(tdir, 'logo.png') import Image, ImageDraw, ImageFont
with open(img, 'wb') as g: font_path = P('fonts/liberation/LiberationSerif-Bold.ttf')
g.write(img_data) font = ImageFont.truetype(font_path, 48)
img = os.path.basename(img) title = self.title if isinstance(self.title, unicode) else \
html= u'''\ self.title.decode(preferred_encoding, 'replace')
<html> date = strftime(self.timefmt)
<head> app = '['+__appname__ +' '+__version__+']'
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
<style type="text/css"> COVER_WIDTH, COVER_HEIGHT = 590, 750
body { img = Image.new('RGB', (COVER_WIDTH, COVER_HEIGHT), 'white')
background: white no-repeat fixed center center; draw = ImageDraw.Draw(img)
text-align: center; # Title
vertical-align: center; width, height = draw.textsize(title, font=font)
overflow: hidden; left = max(int((COVER_WIDTH - width)/2.), 0)
font-size: 18px; top = 15
} draw.text((left, top), title, fill=(0,0,0), font=font)
h1 { font-family: serif; } bottom = top + height
h2, h4 { font-family: monospace; } # Date
</style> font = ImageFont.truetype(font_path, 32)
</head> width, height = draw.textsize(date, font=font)
<body> left = max(int((COVER_WIDTH - width)/2.), 0)
<h1>%(title)s</h1> draw.text((left, bottom+15), date, fill=(0,0,0), font=font)
<br/><br/> # Vanity
<div style="position:relative"> font = ImageFont.truetype(font_path, 28)
<div style="position: absolute; left: 0; top: 0; width:100%%; height:100%%; vertical-align:center"> width, height = draw.textsize(app, font=font)
<img src="%(img)s" alt="calibre" style="opacity:0.3"/> left = max(int((COVER_WIDTH - width)/2.), 0)
</div> top = COVER_HEIGHT - height - 15
<div style="position: absolute; left: 0; top: 0; width:100%%; height:100%%; vertical-align:center"> draw.text((left, top), app, fill=(0,0,0), font=font)
<h2>%(date)s</h2> # Logo
<br/><br/><br/><br/><br/> logo = Image.open(I('library.png'), 'r')
<h3>%(author)s</h3> width, height = logo.size
<br/><br/></br/><br/><br/><br/><br/><br/><br/> left = max(int((COVER_WIDTH - width)/2.), 0)
<h4>Produced by %(app)s</h4> top = max(int((COVER_HEIGHT - height)/2.), 0)
</div> img.paste(logo, (left, top))
</div> img = img.convert('RGB').convert('P', palette=Image.ADAPTIVE)
</body>
</html> img.convert('RGB').save(cover_file, 'JPEG')
'''%dict(title=self.title if isinstance(self.title, unicode) else self.title.decode(preferred_encoding, 'replace'),
author=self.__author__ if isinstance(self.__author__, unicode) else self.__author__.decode(preferred_encoding, 'replace'),
date=strftime(self.timefmt),
app=__appname__ +' '+__version__,
img=img)
hf = os.path.join(tdir, 'cover.htm')
with open(hf, 'wb') as f:
f.write(html.encode('utf-8'))
renderer = render_html(hf)
if renderer.tb is not None:
self.log.warning('Failed to render default cover')
self.log.debug(renderer.tb)
else:
cover_file.write(renderer.data)
cover_file.flush() cover_file.flush()
except:
self.log.exception('Failed to generate default cover')
return False
return True return True
def get_masthead_title(self): def get_masthead_title(self):