bbf6d9b026
Bugfix for feeds
- removed categories related and up
- load new books now working
- category random now working
login page is free of non accessible elements
boolean custom column is vivible in UI
books with only with certain languages can be shown
book shelfs can be deleted from UI
Anonymous user view is more resticted
Added browse of series in sidebar
Dependencys in vendor folder are updated to newer versions (licencs files are now present)
Bugfix editing Authors names
Made upload on windows working
150 lines
4.8 KiB
Python
150 lines
4.8 KiB
Python
# -*- coding: utf-8 -*-
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"""
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flask.templating
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~~~~~~~~~~~~~~~~
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Implements the bridge to Jinja2.
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:copyright: (c) 2015 by Armin Ronacher.
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:license: BSD, see LICENSE for more details.
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"""
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from jinja2 import BaseLoader, Environment as BaseEnvironment, \
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TemplateNotFound
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from .globals import _request_ctx_stack, _app_ctx_stack
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from .signals import template_rendered, before_render_template
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def _default_template_ctx_processor():
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"""Default template context processor. Injects `request`,
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`session` and `g`.
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"""
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reqctx = _request_ctx_stack.top
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appctx = _app_ctx_stack.top
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rv = {}
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if appctx is not None:
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rv['g'] = appctx.g
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if reqctx is not None:
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rv['request'] = reqctx.request
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rv['session'] = reqctx.session
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return rv
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class Environment(BaseEnvironment):
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"""Works like a regular Jinja2 environment but has some additional
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knowledge of how Flask's blueprint works so that it can prepend the
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name of the blueprint to referenced templates if necessary.
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"""
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def __init__(self, app, **options):
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if 'loader' not in options:
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options['loader'] = app.create_global_jinja_loader()
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BaseEnvironment.__init__(self, **options)
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self.app = app
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class DispatchingJinjaLoader(BaseLoader):
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"""A loader that looks for templates in the application and all
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the blueprint folders.
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"""
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def __init__(self, app):
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self.app = app
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def get_source(self, environment, template):
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if self.app.config['EXPLAIN_TEMPLATE_LOADING']:
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return self._get_source_explained(environment, template)
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return self._get_source_fast(environment, template)
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def _get_source_explained(self, environment, template):
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attempts = []
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trv = None
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for srcobj, loader in self._iter_loaders(template):
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try:
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rv = loader.get_source(environment, template)
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if trv is None:
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trv = rv
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except TemplateNotFound:
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rv = None
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attempts.append((loader, srcobj, rv))
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from .debughelpers import explain_template_loading_attempts
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explain_template_loading_attempts(self.app, template, attempts)
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if trv is not None:
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return trv
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raise TemplateNotFound(template)
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def _get_source_fast(self, environment, template):
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for srcobj, loader in self._iter_loaders(template):
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try:
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return loader.get_source(environment, template)
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except TemplateNotFound:
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continue
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raise TemplateNotFound(template)
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def _iter_loaders(self, template):
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loader = self.app.jinja_loader
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if loader is not None:
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yield self.app, loader
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for blueprint in self.app.iter_blueprints():
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loader = blueprint.jinja_loader
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if loader is not None:
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yield blueprint, loader
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def list_templates(self):
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result = set()
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loader = self.app.jinja_loader
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if loader is not None:
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result.update(loader.list_templates())
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for blueprint in self.app.iter_blueprints():
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loader = blueprint.jinja_loader
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if loader is not None:
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for template in loader.list_templates():
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result.add(template)
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return list(result)
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def _render(template, context, app):
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"""Renders the template and fires the signal"""
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before_render_template.send(app, template=template, context=context)
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rv = template.render(context)
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template_rendered.send(app, template=template, context=context)
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return rv
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def render_template(template_name_or_list, **context):
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"""Renders a template from the template folder with the given
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context.
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:param template_name_or_list: the name of the template to be
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rendered, or an iterable with template names
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the first one existing will be rendered
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:param context: the variables that should be available in the
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context of the template.
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"""
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ctx = _app_ctx_stack.top
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ctx.app.update_template_context(context)
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return _render(ctx.app.jinja_env.get_or_select_template(template_name_or_list),
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context, ctx.app)
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def render_template_string(source, **context):
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"""Renders a template from the given template source string
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with the given context. Template variables will be autoescaped.
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:param source: the source code of the template to be
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rendered
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:param context: the variables that should be available in the
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context of the template.
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"""
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ctx = _app_ctx_stack.top
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ctx.app.update_template_context(context)
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return _render(ctx.app.jinja_env.from_string(source),
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context, ctx.app)
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