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A very common task in a web application is the generation of HTML output. Every application needs to generate HTML and should do so in a consistent manner so that all of the pages in the application follow the same structure and reference the same stylesheets etc. In the examples we've seen so far, the HTML code has been included in the Python code as literal strings. This is fine for simple applications but as they get more complex, so the need for separating out the task of page generation and system logic grows.

In the context of a Bottle application, the content returned by the procedure associated with a route is what is sent back to the browser and in most cases this will be some text including HTML markup. The simplest case is to include the text as a literal Python string.

The problem with this approach is that it mixes the content and layout of the application with the program code. In general we'd like to separate the HTML content from the program logic. One reason for this relates to the separation of concerns where we want to avoid mixing presentation layer code (HTML) with application logic (Python). Another requirement is to be able to modify the HTML that is generated by inserting different content in each page that is returned. This might be the result of a database query or other custom content generated by the application logic. The solution is to use templates that can be stored in separate files and encode just the presentation layer, and to refer to them from the program code.

The Bottle Simple Template Engine

The Bottle framework comes with a Simple Template Engine that provides a good solution to the problem of generating HTML content for web applications. The Bottle engine is quite powerful as it allows us to embed any Python code in the template to help generate the HTML required as well as just substituting the values of variables.

The simplest way to use the template library is just to substitute values into a string template in a similar way to string.template but with a different syntax. In this case variables are enclosed in double curly braces. Here's an example of experimenting with the library from the Python prompt:

(Note, these examples are adapted from the Simple Template Engine documentation ). Another difference here is that the template procedure takes named keyword arguments - in this example we pass the value for name . This is good for templates with a small number of values embedded but would become cumbersome with more. An alternative is to store the information in a Python dictionary and pass this as the second argument. Here's an example:

Here we are still working with literal strings in Python code, but Bottle also allows us to put the template into a separate file and refer to it by name. By default, if we pass a template name to the SimpleTemplate and it will look for a file by that name in a subdirectory views with the extension .tpl . This single feature means that we can keep the HTML template code completely separate to the application code; a big win for the separation of concerns . To try an example of this we can create a file views/simple.tpl ( views\simple.tpl if you are on Windows) with the content:



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As a reliable partner to individual sectors, Messe Frankfurt creates innovative network platforms. Every year, we organise some 150 trade fairs in Frankfurt and at many other locations around the world. We know exactly which future trends are of burning importance to our customers and have close ties with policymakers, with social institutions of every hue and, above all, with the sectors represented at our trade fairs.

We also hire out our Frankfurt exhibition grounds to guest organisers, playing host to around 240 events of this kind every year. Be it congresses, exhibitions, concerts or other events, we can accommodate event formats of all kinds. In addition to Messe Frankfurt’s Congress Center and Kap Europa congress venues, our Festhalle is a multifunctional arena that offers organisers a historic and unique location.

Our offer is rounded off with a wide range of services, including logistics, stand construction, marketing, food services and catering, which help to bring out the best in your event. We are extending our range of analogue and digital services on an ongoing basis, investing wherever we see the best opportunity for creating value for our customers.

Messe Frankfurt calendar

Whether trade fairs, congresses, conferences or concerts, the Messe Frankfurt Calendar will show you all events being held this year on our Frankfurt exhibition grounds. Get web-based up to date event overviews and information through our digital Event Search . It offers detailed search and filter functions to help you find the events that are most relevant to you.

Jul 5, 2018

Multi-faceted, international and full of ideas: for three days, Greenshowroom, Ethical Fashion Show Berlin and FashionSustain brought together fashion labels, buyers, designers, influencers and innovators at trade fairs, showcases, conferences and workshops.

Jul 3, 2018

The consumer-goods business is and will remain an impulse business – this was once again evident from the spectrum to be seen at this year’s Tendence. Around 20,000 trade visitors from 82 [1] countries – including five percent more visitors from outside Germany than last year – made new contacts, ordered the latest products for their businesses and gathered innovative ideas and impulses for a competitive future.

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Comcast increases offer for British pay-TV company Sky

By Tonya Garcia

Published: July 11, 2018 6:57 a.m. ET


Plastic straws have become the target of environmental efforts to battle climate change, waste, and ocean debris


Starbucks Corp.’s plan to do away with plastic straws by 2020 could not only benefit the environment, but also drive millennial customers through the doors.

The coffee company announced Monday that it will “phase out” plastic straws at its 28,000-plus global stores by 2020, a plan aimed at eliminating more than one billion straws a year. The need for an alternative to plastic straws grew as the sales of cold beverages has risen, up to more than 50% of sales from 37% of sales five years ago.

Straws will be replaced by a lid developed by Emily Alexander, an engineer in global research and development at the company.

The lids are being used for a few drinks including the Draft Nitro in more than 8,000 stores in the U.S. and Canada. Starbucks SBUX, -0.56% says the lids will become standard for all iced drinks except for frappuccinos, which will be served with straws made from paper, compostable plastic, or another sustainable material. Customers can request a straw for other drinks.

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The lids are available first in Vancouver and Seattle, where single-use plastic straws and utensils were banned from the city’s 5,000 restaurants as of July 1.

“By nature, the straw isn’t recyclable and the lid is, so we feel this decision is more sustainable and more socially responsible,” said Chris Milne, director of packaging sourcing for Starbucks.

Earlier this year, Starbucks committed $10 million to develop a cup that can be composted or recycled.

Starbucks isn’t the only food company taking measures to reduce the number of single-use plastic straws.

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Friday, May 13, 2016 - 6:00pm to 8:00pm
Top Hat Winery

Come out Friday night and enjoy the live music of Frank and our handcrafted wines! Experience Fun on the Square like it used to be! For large groups please call for reservations

Event URL:

Movie in the Courtyard: The
Friday, May 13, 2016 - 7:00pm to 9:00pm
Weston Wine Company

Hey Mo-Kan Volkswagon Club… Welcome to Weston! Kick off the start of Volksweston as we transform the “secret garden” behind our tasting room into an outdoor movie theatre! From 7-11 pm, relax and enjoy a special showing of “The Love Bug” under the stars. Bring a blanket or lawn chair and sip on your favorite beverage. And you won’t have to worry about weather…If the weather turns bad, we’ll show the movie inside in our downstairs wine cellar. It’s FREE to attend and you don’t need to RSVP – just come on out! No outside beverages allowed.

The 1st Annual Weston Wine Festival
Saturday, May 14, 2016 - 12:00pm to 7:00pm
Pirtle Winery

Join us for The 1st Annual Weston Wine Festival

NINE WINERIES : Pirtle Winery - Fence Stile - Windy Wine Company - Ladoga Ridge – Riverwood - Tipple Hill - Vox Vineyards - Jowler Creek - Weston Wine Company


LIVE MUSIC : Knock Kneed Sally - The Center State - The Zeros


FOOD : The Vineyards - Green Dirt Farm - Hearth Bakery - Fine Thyme Food - Plantain District - with more to come!

$25 - ticket admission includes samples from all 9 wineries, live music, commemorative glass

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For questions or additional information, please contact the winery at 816.640.5728


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Saturday, May 14, 2016 - 1:00pm to 4:00pm
Riverwood Winery

Uncork from your long week outside with a glass of wine and live music with Christopher Jon.

Vince Martin at Chaumette
Saturday, May 14, 2016 - 1:00pm to 4:00pm
Chaumette Vineyard Winery

We’re so pleased to bring you these fantastic performers in our live entertainment calendar lineup for 2016, and we hope that you will join us for great music, great views and great wine this season! Live entertainment is complimentary, at Chaumette, as always. :)

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