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Some grammar and wrapping changes to scenarios/web.
Also fixed a small typo.
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@@ -24,7 +24,7 @@ WSGI is documented in :pep:`3333`.
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Frameworks
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::::::::::
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Broadly speaking, a web framework consist of a set of libraries and a main
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Broadly speaking, a web framework consists of a set of libraries and a main
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handler within which you can build custom code to implement a web application
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(i.e. an interactive web site). Most web frameworks include patterns and
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utilities to accomplish at least the following:
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@@ -280,7 +280,7 @@ and to the templates themselves.
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- Template files should be passed only the dynamic
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content that is needed for rendering the template. Avoid
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to be tempted to pass additional content "just in case":
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the temptation to pass additional content "just in case":
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it is easier to add some missing variable when needed than to remove
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a likely unused variable later.
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@@ -288,7 +288,7 @@ and to the templates themselves.
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or assignments in the template itself, and many
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allow some Python code to be evaluated in the
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templates. This convenience can lead to uncontrolled
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increase in complexity, and often harder to find bugs.
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increase in complexity, and often make it harder to find bugs.
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- It is often necessary to mix JavaScript templates with
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HTML templates. A sane approach to this design is to isolate
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@@ -299,9 +299,12 @@ and to the templates themselves.
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Jinja2
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------
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`Jinja2 <http://jinja.pocoo.org/>`_ is a template engine which is similar to the Django template system with some extra features. It is a text-based template
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language and thus can be used to generate any markup. It allows customization of filters, tags, tests and globals.
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Unlike the template system implemented in the Django Framework it allows to call functions. The Code is staying under the BSD license.
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`Jinja2 <http://jinja.pocoo.org/>`_ is a template engine which is similar to
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the Django template system with some extra features. It is a text-based
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template language and thus can be used to generate any markup. It allows
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customization of filters, tags, tests and globals, and unlike the template
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system implemented in the Django Framework, also allows calling functions.
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Jinja2 is released under the BSD license.
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Here some important html tags in Jinja2:
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@@ -324,8 +327,8 @@ Here some important html tags in Jinja2:
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The next listings is an example of a web site in combination with the tornado web server. Tornado is not very complicate
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to use.
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The next listings is an example of a web site in combination with the tornado
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web server. Tornado is not very complicate to use.
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.. code-block:: python
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@@ -365,7 +368,8 @@ to use.
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application.listen(PORT)
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tornado.ioloop.IOLoop.instance().start()
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The :file:`base.html` file can be used as base for all site pages which are for example implemented in the content block.
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The :file:`base.html` file can be used as base for all site pages which are
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for example implemented in the content block.
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.. code-block:: html
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@@ -389,8 +393,9 @@ The :file:`base.html` file can be used as base for all site pages which are for
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</body>
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The next listing is our site page (:file:`site.html`) loaded in the Python app which extends :file:`base.html`. The content block is
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automatically set into the corresponding block in the :file:`base.html` page.
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The next listing is our site page (:file:`site.html`) loaded in the Python
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app which extends :file:`base.html`. The content block is automatically set
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into the corresponding block in the :file:`base.html` page.
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.. code-block:: html
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