mirror of
https://github.com/kovidgoyal/calibre.git
synced 2025-07-09 03:04:10 -04:00
Move mobile server templates to lxml from genshi
This commit is contained in:
Kovid Goyal
parent
359c0cd40e
commit
73753b67d8
@ -451,6 +451,20 @@ def prepare_string_for_xml(raw, attribute=False):
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def isbytestring(obj):
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return isinstance(obj, (str, bytes))
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def human_readable(size):
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""" Convert a size in bytes into a human readable form """
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divisor, suffix = 1, "B"
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for i, candidate in enumerate(('B', 'KB', 'MB', 'GB', 'TB', 'PB', 'EB')):
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if size < 1024**(i+1):
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divisor, suffix = 1024**(i), candidate
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break
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size = str(float(size)/divisor)
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if size.find(".") > -1:
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size = size[:size.find(".")+2]
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if size.endswith('.0'):
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size = size[:-2]
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return size + " " + suffix
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if isosx:
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import glob, shutil
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fdir = os.path.expanduser('~/.fonts')
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@ -229,19 +229,6 @@ def info_dialog(parent, title, msg, det_msg='', show=False):
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return d
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def human_readable(size):
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""" Convert a size in bytes into a human readable form """
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divisor, suffix = 1, "B"
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for i, candidate in enumerate(('B', 'KB', 'MB', 'GB', 'TB', 'PB', 'EB')):
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if size < 1024**(i+1):
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divisor, suffix = 1024**(i), candidate
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break
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size = str(float(size)/divisor)
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if size.find(".") > -1:
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size = size[:size.find(".")+2]
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if size.endswith('.0'):
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size = size[:-2]
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return size + " " + suffix
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class Dispatcher(QObject):
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'''Convenience class to ensure that a function call always happens in the
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@ -13,11 +13,10 @@ from PyQt4.Qt import QListView, QIcon, QFont, QLabel, QListWidget, \
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QAbstractButton, QPainter, QLineEdit, QComboBox, \
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QMenu, QStringListModel, QCompleter, QStringList
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from calibre.gui2 import human_readable, NONE, \
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error_dialog, pixmap_to_data, dynamic
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from calibre.gui2 import NONE, error_dialog, pixmap_to_data, dynamic
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from calibre.gui2.filename_pattern_ui import Ui_Form
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from calibre import fit_image
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from calibre import fit_image, human_readable
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from calibre.utils.fonts import fontconfig
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from calibre.ebooks import BOOK_EXTENSIONS
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from calibre.ebooks.metadata.meta import metadata_from_filename
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@ -5,34 +5,143 @@ __license__ = 'GPL v3'
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__copyright__ = '2010, Kovid Goyal <kovid@kovidgoyal.net>'
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__docformat__ = 'restructuredtext en'
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import re, copy
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import re
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import __builtin__
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import cherrypy
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from lxml import html
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from lxml.html.builder import HTML, HEAD, TITLE, STYLE, LINK, DIV, IMG, BODY, \
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OPTION, SELECT, INPUT, FORM, SPAN, TABLE, TR, TD, A, HR
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from calibre.utils.genshi.template import MarkupTemplate
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from calibre.library.server.utils import strftime
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from calibre.ebooks.metadata import fmt_sidx
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from calibre.constants import __appname__
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from calibre import human_readable
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# Templates {{{
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MOBILE_BOOK = '''\
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<tr xmlns:py="http://genshi.edgewall.org/">
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<td class="thumbnail">
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<img type="image/jpeg" src="/get/thumb/${r[FM['id']]}" border="0"/>
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</td>
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<td>
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<py:for each="format in r[FM['formats']].split(',')">
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<span class="button"><a href="/get/${format}/${authors}-${r[FM['title']]}_${r[FM['id']]}.${format}">${format.lower()}</a></span>
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</py:for>
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${r[FM['title']]}${(' ['+r[FM['series']]+'-'+r[FM['series_index']]+']') if r[FM['series']] else ''} by ${authors} - ${r[FM['size']]/1024}k - ${r[FM['publisher']] if r[FM['publisher']] else ''} ${pubdate} ${'['+r[FM['tags']]+']' if r[FM['tags']] else ''}
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</td>
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</tr>
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'''
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def CLASS(*args, **kwargs): # class is a reserved word in Python
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kwargs['class'] = ' '.join(args)
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return kwargs
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MOBILE = MarkupTemplate('''\
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<html xmlns:py="http://genshi.edgewall.org/">
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<head>
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<style>
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def build_search_box(num, search, sort, order): # {{{
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div = DIV(id='search_box')
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form = FORM('Show ', method='get', action='mobile')
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div.append(form)
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num_select = SELECT(name='num')
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for option in (5, 10, 25, 100):
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kwargs = {'value':str(option)}
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if option == num:
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kwargs['SELECTED'] = 'SELECTED'
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num_select.append(OPTION(str(option), **kwargs))
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num_select.tail = ' books matching '
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form.append(num_select)
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searchf = INPUT(name='search', id='s', value=search if search else '')
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searchf.tail = ' sorted by '
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form.append(searchf)
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sort_select = SELECT(name='sort')
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for option in ('date','author','title','rating','size','tags','series'):
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kwargs = {'value':option}
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if option == sort:
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kwargs['SELECTED'] = 'SELECTED'
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sort_select.append(OPTION(option, **kwargs))
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form.append(sort_select)
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order_select = SELECT(name='order')
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for option in ('ascending','descending'):
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kwargs = {'value':option}
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if option == order:
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kwargs['SELECTED'] = 'SELECTED'
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order_select.append(OPTION(option, **kwargs))
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form.append(order_select)
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form.append(INPUT(id='go', type='submit', value='Search'))
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return div
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# }}}
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def build_navigation(start, num, total, url_base): # {{{
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end = min((start+num-1), total)
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tagline = SPAN('Books %d to %d of %d'%(start, end, total),
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style='display: block; text-align: center;')
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left_buttons = TD(CLASS('button', style='text-align:left'))
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right_buttons = TD(CLASS('button', style='text-align:right'))
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if start > 1:
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for t,s in [('First', 1), ('Previous', max(start-(num+1),1))]:
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left_buttons.append(A(t, href='%s;start=%d'%(url_base, s)))
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if total > start + num:
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for t,s in [('Next', start+num), ('Last', total-num+1)]:
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right_buttons.append(A(t, href='%s;start=%d'%(url_base, s)))
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buttons = TABLE(
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TR(left_buttons, right_buttons),
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CLASS('buttons'))
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return DIV(tagline, buttons, CLASS('navigation'))
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# }}}
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def build_index(books, num, search, sort, order, start, total, url_base):
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logo = DIV(IMG(src='/static/calibre.png', alt=__appname__), id='logo')
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search_box = build_search_box(num, search, sort, order)
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navigation = build_navigation(start, num, total, url_base)
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bookt = TABLE(id='listing')
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body = BODY(
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logo,
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search_box,
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navigation,
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HR(CLASS('spacer')),
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bookt
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)
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# Book list {{{
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for book in books:
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thumbnail = TD(
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IMG(type='image/jpeg', border='0', src='/get/thumb/%s' %
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book['id']),
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CLASS('thumbnail'))
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data = TD()
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last = None
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for fmt in book['formats'].split(','):
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s = SPAN(
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A(
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fmt.lower(),
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href='/get/%s/%s-%s_%d.%s' % (fmt, book['authors'],
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book['title'], book['id'], fmt)
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),
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CLASS('button'))
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s.tail = u'\u202f' #
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last = s
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data.append(s)
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series = u'[%s - %s]'%(book['series'], book['series_index']) \
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if book['series'] else ''
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tags = u'[%s]'%book['tags'] if book['tags'] else ''
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text = u'\u202f%s %s by %s - %s - %s %s' % (book['title'], series,
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book['authors'], book['size'], book['timestamp'], tags)
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if last is None:
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data.text = text
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else:
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last.tail += text
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bookt.append(TR(thumbnail, data))
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# }}}
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return HTML(
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HEAD(
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TITLE(__appname__ + ' Library'),
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LINK(rel='icon', href='http://calibre-ebook.com/favicon.ico',
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type='image/x-icon'),
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STYLE( # {{{
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'''
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.navigation table.buttons {
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width: 100%;
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}
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@ -109,64 +218,11 @@ div.navigation {
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clear: both;
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}
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</style>
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<link rel="icon" href="http://calibre-ebook.com/favicon.ico" type="image/x-icon" />
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</head>
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<body>
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<div id="logo">
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<img src="/static/calibre.png" alt="Calibre" />
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</div>
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<div id="search_box">
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<form method="get" action="/mobile">
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Show <select name="num">
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<py:for each="option in [5,10,25,100]">
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<option py:if="option == num" value="${option}" SELECTED="SELECTED">${option}</option>
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<option py:if="option != num" value="${option}">${option}</option>
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</py:for>
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</select>
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books matching <input name="search" id="s" value="${search}" /> sorted by
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''', type='text/css') # }}}
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), # End head
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body
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) # End html
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<select name="sort">
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<py:for each="option in ['date','author','title','rating','size','tags','series']">
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<option py:if="option == sort" value="${option}" SELECTED="SELECTED">${option}</option>
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<option py:if="option != sort" value="${option}">${option}</option>
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</py:for>
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</select>
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<select name="order">
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<py:for each="option in ['ascending','descending']">
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<option py:if="option == order" value="${option}" SELECTED="SELECTED">${option}</option>
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<option py:if="option != order" value="${option}">${option}</option>
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</py:for>
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</select>
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<input id="go" type="submit" value="Search"/>
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</form>
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</div>
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<div class="navigation">
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<span style="display: block; text-align: center;">Books ${start} to ${ min((start+num-1) , total) } of ${total}</span>
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<table class="buttons">
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<tr>
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<td class="button" style="text-align:left;">
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<a py:if="start > 1" href="${url_base};start=1">First</a>
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<a py:if="start > 1" href="${url_base};start=${max(start-(num+1),1)}">Previous</a>
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</td>
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<td class="button" style="text-align: right;">
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<a py:if=" total > (start + num) " href="${url_base};start=${start+num}">Next</a>
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<a py:if=" total > (start + num) " href="${url_base};start=${total-num+1}">Last</a>
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</td>
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</tr>
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</table>
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</div>
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<hr class="spacer" />
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<table id="listing">
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<py:for each="book in books">
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${Markup(book)}
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</py:for>
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</table>
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</body>
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</html>
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''')
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# }}}
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class MobileServer(object):
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'A view optimized for browsers in mobile devices'
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@ -195,26 +251,31 @@ class MobileServer(object):
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except ValueError:
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raise cherrypy.HTTPError(400, 'num: %s is not an integer'%num)
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ids = self.db.data.parse(search) if search and search.strip() else self.db.data.universal_set()
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ids = sorted(ids)
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FM = self.db.FIELD_MAP
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items = copy.deepcopy([r for r in iter(self.db) if r[FM['id']] in ids])
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items = [r for r in iter(self.db) if r[FM['id']] in ids]
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if sort is not None:
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self.sort(items, sort, (order.lower().strip() == 'ascending'))
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book, books = MarkupTemplate(MOBILE_BOOK), []
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books = []
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for record in items[(start-1):(start-1)+num]:
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if record[FM['formats']] is None:
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record[FM['formats']] = ''
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if record[FM['size']] is None:
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record[FM['size']] = 0
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book = {'formats':record[FM['formats']], 'size':record[FM['size']]}
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if not book['formats']:
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book['formats'] = ''
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if not book['size']:
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book['size'] = 0
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book['size'] = human_readable(book['size'])
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aus = record[FM['authors']] if record[FM['authors']] else __builtin__._('Unknown')
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authors = '|'.join([i.replace('|', ',') for i in aus.split(',')])
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record[FM['series_index']] = \
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fmt_sidx(float(record[FM['series_index']]))
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ts, pd = strftime('%Y/%m/%d %H:%M:%S', record[FM['timestamp']]), \
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strftime('%Y/%m/%d %H:%M:%S', record[FM['pubdate']])
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books.append(book.generate(r=record, authors=authors, timestamp=ts,
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pubdate=pd, FM=FM).render('xml').decode('utf-8'))
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book['authors'] = authors
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book['series_index'] = fmt_sidx(float(record[FM['series_index']]))
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book['series'] = record[FM['series']]
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book['tags'] = record[FM['tags']]
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book['title'] = record[FM['title']]
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for x in ('timestamp', 'pubdate'):
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book[x] = strftime('%Y/%m/%d %H:%M:%S', record[FM[x]])
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book['id'] = record[FM['id']]
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books.append(book)
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updated = self.db.last_modified()
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cherrypy.response.headers['Content-Type'] = 'text/html; charset=utf-8'
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@ -223,8 +284,8 @@ class MobileServer(object):
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url_base = "/mobile?search=" + search+";order="+order+";sort="+sort+";num="+str(num)
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return MOBILE.generate(books=books, start=start, updated=updated,
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search=search, sort=sort, order=order, num=num, FM=FM,
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total=len(ids), url_base=url_base).render('html')
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return html.tostring(build_index(books, num, search, sort, order,
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start, len(ids), url_base),
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encoding='utf-8', include_meta_content_type=True,
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pretty_print=True)
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