delint
eric
parent
3e04d27dfd
commit
e73d1dbb9d
|
|
@ -14,15 +14,21 @@ Base class for output formatters.
|
|||
|
||||
from __future__ import unicode_literals
|
||||
|
||||
import base64
|
||||
import datetime
|
||||
import os
|
||||
import re
|
||||
from six.moves import urllib
|
||||
import base64
|
||||
import os
|
||||
|
||||
import genshi.output
|
||||
import genshi.template
|
||||
from genshi.core import _ensure
|
||||
from genshi.core import escape, Markup, QName
|
||||
from genshi.core import START, END, TEXT, XML_DECL, DOCTYPE, START_CDATA, END_CDATA, PI, COMMENT
|
||||
import genshi.output
|
||||
from genshi.output import EMPTY, EmptyTagFilter, WhitespaceFilter, \
|
||||
NamespaceFlattener, DocTypeInserter
|
||||
import genshi.template
|
||||
|
||||
|
||||
import cherrypy
|
||||
|
||||
from libgutenberg import GutenbergGlobals as gg
|
||||
|
|
@ -32,59 +38,59 @@ import BaseSearcher
|
|||
# use a bit more aggressive whitespace removal than the standard whitespace filter
|
||||
COLLAPSE_LINES = re.compile('\n[ \t\r\n]+').sub
|
||||
|
||||
WHITESPACE_FILTER = genshi.output.WhitespaceFilter ()
|
||||
WHITESPACE_FILTER = genshi.output.WhitespaceFilter()
|
||||
|
||||
DATA_URL_CACHE = {}
|
||||
|
||||
class BaseFormatter (object):
|
||||
class BaseFormatter(object):
|
||||
""" Base class for formatters. """
|
||||
|
||||
CONTENT_TYPE = 'text/html; charset=UTF-8'
|
||||
|
||||
def __init__ (self):
|
||||
def __init__(self):
|
||||
self.templates = {}
|
||||
|
||||
|
||||
def format (self, page, os):
|
||||
def format(self, page, os):
|
||||
""" Abstract method to override. """
|
||||
pass
|
||||
|
||||
|
||||
def get_serializer (self):
|
||||
def get_serializer(self):
|
||||
""" Abstract method to override.
|
||||
|
||||
Like this:
|
||||
return genshi.output.XMLSerializer (doctype = self.DOCTYPE, strip_whitespace = False)
|
||||
return genshi.output.XMLSerializer(doctype = self.DOCTYPE, strip_whitespace = False)
|
||||
|
||||
"""
|
||||
pass
|
||||
|
||||
|
||||
def send_headers (self):
|
||||
def send_headers(self):
|
||||
""" Send HTTP content-type header. """
|
||||
cherrypy.response.headers['Content-Type'] = self.CONTENT_TYPE
|
||||
|
||||
|
||||
def render (self, page, os):
|
||||
def render(self, page, os):
|
||||
""" Render and send to browser. """
|
||||
|
||||
self.send_headers ()
|
||||
self.send_headers()
|
||||
|
||||
template = self.templates[page]
|
||||
ctxt = genshi.template.Context (cherrypy = cherrypy, os = os, bs = BaseSearcher)
|
||||
ctxt = genshi.template.Context(cherrypy=cherrypy, os=os, bs=BaseSearcher)
|
||||
|
||||
stream = template.stream
|
||||
for filter_ in template.filters:
|
||||
stream = filter_ (iter (stream), ctxt)
|
||||
stream = filter_(iter(stream), ctxt)
|
||||
|
||||
# there's no easy way in genshi to pass collapse_lines to this filter
|
||||
stream = WHITESPACE_FILTER (stream, collapse_lines = COLLAPSE_LINES)
|
||||
stream = WHITESPACE_FILTER(stream, collapse_lines=COLLAPSE_LINES)
|
||||
|
||||
return genshi.output.encode (self.get_serializer ()(_ensure (genshi.Stream (stream))),
|
||||
encoding = 'utf-8')
|
||||
return genshi.output.encode(self.get_serializer()(_ensure(genshi.Stream(stream))),
|
||||
encoding='utf-8')
|
||||
|
||||
|
||||
def set_template (self, page, template):
|
||||
def set_template(self, page, template):
|
||||
""" Set template for page.
|
||||
|
||||
Override this for special handling of template, like adding filters. """
|
||||
|
|
@ -92,7 +98,7 @@ class BaseFormatter (object):
|
|||
|
||||
|
||||
@staticmethod
|
||||
def format_date (date):
|
||||
def format_date(date):
|
||||
""" Format a date. """
|
||||
|
||||
if date is None:
|
||||
|
|
@ -100,31 +106,31 @@ class BaseFormatter (object):
|
|||
|
||||
try:
|
||||
# datetime
|
||||
return date.replace (tzinfo = gg.UTC (), microsecond = 0).isoformat ()
|
||||
return date.replace(tzinfo=gg.UTC(), microsecond=0).isoformat()
|
||||
except TypeError:
|
||||
# date
|
||||
return datetime.datetime.combine (
|
||||
date, datetime.time (tzinfo = gg.UTC ())).isoformat ()
|
||||
return datetime.datetime.combine(
|
||||
date, datetime.time(tzinfo=gg.UTC())).isoformat()
|
||||
|
||||
@staticmethod
|
||||
def data_url (path):
|
||||
def data_url(path):
|
||||
""" Read and convert a file to a data url. """
|
||||
if path in DATA_URL_CACHE:
|
||||
return DATA_URL_CACHE[path]
|
||||
|
||||
abs_path = os.path.join ('https://' + cherrypy.config['file_host'], path.lstrip ('/'))
|
||||
abs_path = os.path.join('https://' + cherrypy.config['file_host'], path.lstrip('/'))
|
||||
data_url = abs_path
|
||||
try:
|
||||
f = urllib.request.urlopen (abs_path)
|
||||
retcode = f.getcode ()
|
||||
f = urllib.request.urlopen(abs_path)
|
||||
retcode = f.getcode()
|
||||
if retcode is None or retcode == 200:
|
||||
msg = f.info ()
|
||||
mediatype = msg.get ('Content-Type')
|
||||
msg = f.info()
|
||||
mediatype = msg.get('Content-Type')
|
||||
if mediatype:
|
||||
mediatype = mediatype.partition (';')[0]
|
||||
mediatype = mediatype.partition(';')[0]
|
||||
data_url = ('data:' + mediatype + ';base64,' +
|
||||
base64.b64encode (f.read ()).decode ('ascii'))
|
||||
f.close ()
|
||||
base64.b64encode(f.read()).decode('ascii'))
|
||||
f.close()
|
||||
except IOError:
|
||||
pass
|
||||
|
||||
|
|
@ -132,25 +138,25 @@ class BaseFormatter (object):
|
|||
return data_url
|
||||
|
||||
|
||||
def fix_dc (self, dc, os):
|
||||
def fix_dc(self, dc, os):
|
||||
""" Add some info to dc for easier templating. """
|
||||
|
||||
# obsolete private marc codes for cover art
|
||||
dc.marcs = [ marc for marc in dc.marcs if not marc.code.startswith ('9') ]
|
||||
dc.marcs = [ marc for marc in dc.marcs if not marc.code.startswith('9') ]
|
||||
|
||||
dc.cover_image = None
|
||||
dc.cover_thumb = None
|
||||
# cover image really should not be a property of opensearch,
|
||||
# but it is accessed in many places and this way we can save a
|
||||
# lot of iterations later
|
||||
os.cover_image_url = None
|
||||
os.cover_thumb_url = None
|
||||
os.cover_image_url = None
|
||||
os.cover_thumb_url = None
|
||||
|
||||
for file_ in dc.files:
|
||||
|
||||
# HACK for https://
|
||||
if file_.url.startswith ('http://'):
|
||||
file_.url = 'https' + file_.url[4:]
|
||||
if file_.url.startswith('http://'):
|
||||
file_.url = 'https' + file_.url[4:]
|
||||
|
||||
file_.dropbox_url = None
|
||||
# file_.dropbox_filename = None
|
||||
|
|
@ -165,7 +171,7 @@ class BaseFormatter (object):
|
|||
dc.cover_thumb = file_
|
||||
os.cover_thumb_url = file_.url
|
||||
|
||||
dc.xsd_release_date_time = self.format_date (dc.release_date)
|
||||
dc.xsd_release_date_time = self.format_date(dc.release_date)
|
||||
|
||||
if 'Sound' in dc.categories:
|
||||
dc.icon = 'audiobook'
|
||||
|
|
@ -175,13 +181,7 @@ class BaseFormatter (object):
|
|||
# lang is not allowed in xhtml 1.1 which we must use
|
||||
# because xhtml+rdfa is based on it
|
||||
|
||||
from genshi.core import escape, Attrs, Markup, Namespace, QName, StreamEventKind
|
||||
from genshi.core import START, END, TEXT, XML_DECL, DOCTYPE, START_NS, END_NS, \
|
||||
START_CDATA, END_CDATA, PI, COMMENT, XML_NAMESPACE
|
||||
from genshi.output import EMPTY, EmptyTagFilter, WhitespaceFilter, \
|
||||
NamespaceFlattener, DocTypeInserter
|
||||
|
||||
class XHTMLSerializer (genshi.output.XMLSerializer):
|
||||
class XHTMLSerializer(genshi.output.XMLSerializer):
|
||||
"""Produces XHTML text from an event stream.
|
||||
|
||||
>>> from genshi.builder import tag
|
||||
|
|
|
|||
Loading…
Reference in New Issue