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This method is usedjust like path() except that it allows you to specify a pattern using a Regular expression . For example, the previous path could have been written as shown below:

re_path(r'^book/(?P<pk>\d+)$', views.BookDetailView.as_view(), name='book-detail'),

Regular expressions are an incredibly powerful pattern mapping tool. They are, frankly, quite unintuitive and scary for beginners. Below is a very short primer!

The first thing to know is that regular expressions should usually be declared using the raw string literal syntax (i.e. they are enclosed as shown: r'<your regular expression text goes here>' ).

r'<your regular expression text goes here>'

The main parts of the syntax you will need to know for declaring the pattern matches are:

Most other characters can be taken literally!

Lets consider a few real examples of patterns:

You can capture multiple patterns in the one match, and hence encode lots of different information in a URL.

Note : As a challenge, consider how you might encode an url to list all books released in a particular year, month, day, and the RE that could be used to match it.

One feature that we haven't used here, but which you may find valuable, is that you can declare and pass additional options to the view. The options are declared as a dictionary that you pass as the third un-named argument to the path() function. This approach can be useful if you want to use the same view for multiple resources, and pass data to configure its behaviour in each case (below we supply a different template in each case).

{'my_template_name': 'some_path'} {'my_template_name': 'another_path'}

Note: Both extra options and named captured patterns are passed to the view as arguments. If you use the same name for both a captured pattern and an extra option then only the captured pattern value will be sent to the view (the value specified in the additional optionwill be dropped).

That's it! All you need to do now is create a template called /locallibrary/catalog/templates/catalog/book_detail.html , and the view will pass it the database information for the specific Book record extracted by the URL mapper. Within the template you can access the list of books with the template variable named object OR book (i.e. generically " the_model_name ").

/locallibrary/catalog/templates/catalog/book_detail.html

If you need to, you can change the template used and the name of the context object used to reference the book in the template. You can also override methods to, for example, add additional information to the context.

If a requestedrecord does notexist then the generic class-based detail view will raise an Http404 exception for you automatically — in production this will automatically display an appropriate "resource not found" page, which you can customise if desired.

AST Dongle Value:

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Mundial 2018
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La investidura de Turull

Carles Riera rechaza el simbolismo republicano en la legalidad autonomista y anuncia que pasan a hacer oposición y construir república desde la calle

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“El autonomismo no tiene que volver”. Esa es la consigna. Carles Riera planteó como única salida a la situación que vive Catalunya “construir república” y dejar atrás la fase autonomista. En el debate de investidura de este jueves, la CUP abrió un nuevo periodo para el soberanismo y anunció el fin del procés y de las alianzas de los independentistas si se instalan en la legalidad autonómica.

Riera proclamó un nuevo tiempo en que la CUP pasa a la oposición y no seguirá más hojas de ruta para pasar a “ Stacks Vulc II Supra M2eiPceh9N
”. “Damos por acabado el ciclo del procés y las alianzas que se han dado durante el procés . Pasamos a la oposición desde la calle y desde las instituciones, combatiendo al Estado y al autonomismo. Queremos empezar el ciclo de construcción de la república desde la movilización popular y desde este Parlament”, señaló con contundencia Riera al fijar la posición de su partido.

“Rechazamos el simbolismo republicano en la legalidad autonomista”, apuntó el jefe de filas de los anticapitalistas desde el atril del Parlament al justificar las cuatro abstenciones de su formación, que obligarán a Jordi Turull a optar a una segunda votación para ser el 131 president de la Generalitat.

Riera critica que se les pida “unidad por unidad” y reclama un programa republicano para dar apoyo a Junts per Catalunya y Esquerra Republicana

Riera reclamó “un frente institucional” contra el Estado y afeó que se les pida “unidad por unidad, de forma abstracta”. “Ya hemos hecho bastantes concesiones por la hoja de ruta”, remarcó en referencia a los presupuestos de Junts pel Sí que aprobaron en la legislatura pasada. “Unilateralismo y desobediencia; es la única forma de hacer república y de alcanzar la independencia, es la única forma de ensanchar la base republicana”, señaló en consonancia con la conferencia política que iba a celebrar la formación este miércoles y que fue suspendida por la precipitación de los acontecimientos tras la providencia de Llarena.

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Better yet, the J.Crew style is still available.

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Pippa Middleton's maternity wardrobe is proving to be much more casual than her sister Kate's . While the Duchess of Cambridge was a fan of modest coat dresses, jewel-toned shifts, and pantyhose during her most recent pregnancy with Prince Louis , Pippa's style is much more relaxed. (Given that she's a private citizen and her sister is married to the the future King of England, it only makes sense.)

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Earlier today, for example, Pippa was spotted in the Chelsea neighborhood of London today wearing a breezy pink spaghetti-strap design from J.Crew.

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Pippa only recently confirmed that she is expecting her first child with husband James Matthews, and at this point, it's unclear when she's due. While she publicly revealed the happy news in a fitness and exercise column for the publication Waitrose Weekend in early June, the Sunday Express first published a rumor that she was pregnant back in April.

"When Pippa found out she was pregnant, she was obviously thrilled and utterly overjoyed," a friend told the publication . "Naturally, big sister Kate and parents, Carole and Michael, were the first people she told—James aside—and they could not have been more delighted."

Pippa and James have been married for just over a year now. Last May, they tied the knot at Saint Mark's Church near the Middleton family home.

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