What is a slug in Django

Question

When I read Django code I often see in models what is called a  slug   I am not quite sure what this is  but I do know it has something to do with URLs  How and when is this slug-thing supposed to be used     I have read its definition in this glossary

User · Answer

It is a way of generating a valid URL  generally using data already obtained  For instance  using the title of an article to generate a URL

User · Answer

Slug is a newspaper term  A slug is a short label for something  containing only letters  numbers  underscores or hyphens  They   re generally used in URLs   as in Django docs   A slug field in Django is used to store and generate valid URLs for your dynamically created web pages  Just like the way you added this question on Stack Overflow and a dynamic page was generated and when you see in the address bar you will see your question title with  quot - quot  in place of the spaces  That s exactly the job of a slug field    The title entered by you was something like this - gt  What is a    slug    in Django  On storing it into a slug field it becomes  quot what-is-a-slug-in-django quot     see URL of this page

User · Answer

From here         Slug    is a newspaper term  but what   it means here is the final bit of the   URL  For example  a post with the   title     A bit about Django    would   become     bit-about-django      automatically  you can  of course    change it easily if you don   t like the   auto-generated slug

User · Answer

In short slug help get rid of those ugly looking urls with valid-urls for examples in an ecommerec site instead of showing the url as www myecom com product 5432156 i can show it like www myecom com product iphone11 with the help of slug

User · Answer

It s a descriptive part of the URL that is there to make it more human descriptive  but without necessarily being required by the web server - in What is a  quot slug quot  in Django  the slug is  in-django-what-is-a-slug   but the slug is not used to determine the page served  on this site at least

User · Answer

A  slug  is a way of generating a valid URL  generally using data already obtained  For instance  a slug uses the title of an article to generate a URL  I advise to generate the slug by means of a function  given the title  or another piece of data   rather than setting it manually   An example    lt title gt  The 46 Year Old Virgin  lt  title gt   lt content gt  A silly comedy movie  lt  content gt   lt slug gt  the-46-year-old-virgin  lt  slug gt    Now let s pretend that we have a Django model such as   class Article models Model       title   models CharField max length 100      content   models TextField max length 1000      slug   models SlugField max length 40    How would you reference this object with a URL and with a meaningful name  You could for instance use Article id so the URL would look like this   www example com article 23   Or  you might want to reference the title like this   www example com article The 46 Year Old Virgin   Since spaces aren t valid in URLs  they must be replaced by  20  which results in   www example com article The 2046 20Year 20Old 20Virgin   Both attempts are not resulting in very meaningful  easy-to-read URL  This is better   www example com article the-46-year-old-virgin   In this example  the-46-year-old-virgin is a slug  it is created from the title by down-casing all letters  and replacing spaces by hyphens -    Also see the URL of this very web page for another example

User · Answer

The term  slug  comes from the world of newspaper production   It s an informal name given to a story during the production process  As the story winds its path from the beat reporter  assuming these even exist any more   through to editor through to the  printing presses   this is the name it is referenced by  e g    Have you fixed those errors in the  kate-and-william  story     Some systems  such as Django  use the slug as part of the URL to locate the story  an example being www mysite com archives kate-and-william   Even Stack Overflow itself does this  with the GEB-ish a  self-referential https   stackoverflow com questions 427102 what-is-a-slug-in-django 427201 427201  although you can replace the slug with blahblah and it will still find it okay   It may even date back earlier than that  since screenplays had  slug lines  at the start of each scene  which basically sets the background for that scene  where  when  and so on   It s very similar in that it s a precis or preamble of what follows   On a Linotype machine  a slug was a single line piece of metal which was created from the individual letter forms  By making a single slug for the whole line  this greatly improved on the old character-by-character compositing   Although the following is pure conjecture  an early meaning of slug was for a counterfeit coin  which would have to be pressed somehow   I could envisage that usage being transformed to the printing term  since the slug had to be pressed using the original characters  and from there  changing from the  piece of metal  definition to the  story summary  definition  From there  it s a short step from proper printing to the online world      a   Godel Escher  Bach   by one Douglas Hofstadter  which I  at least  consider one of the great modern intellectual works  You should also check out his other work   Metamagical Themas

User · Answer

From here         Slug    is a newspaper term  but what   it means here is the final bit of the   URL  For example  a post with the   title     A bit about Django    would   become     bit-about-django      automatically  you can  of course    change it easily if you don   t like the   auto-generated slug

User · Answer

Also auto slug at django-admin  Added at ModelAdmin   prepopulated fields     slug     title        As here   class ArticleAdmin admin ModelAdmin       list display     title    slug       search fields     content          prepopulated fields     slug     title

User · Answer

If I may provide some historical context    The term  slug  has to do with casting metal   lead  in this case   out of which the press fonts were made  Every paper then had its fonts factory regularly re-melted and recast in fresh molds  since after many prints they became worn out  Apprentices like me started their career there  and went all the way to the top  not anymore    Typographs had to compose the text of an article in a backward manner with lead characters stacked in a wise  So at printing time the letters would be straight on the paper  All typographs could read the newspaper mirrored as fast as the printed one  Therefore the slugs   like snails  also the slow stories  the last to be fixed  were many on the bench waiting  solely identified by their fist letters  mostly the whole title generally more readable  Some  hot  news were waiting there on the bench  for possible last minute correction   Evening paper  before last assembly and definitive printing   Django emerged from the offices of the Lawrence journal in Kansas  Where probably some printing jargon still lingers  A-django-enthusiast- amp -friendly-old-slug-boy-from-France

User · Answer

A  slug  is a way of generating a valid URL  generally using data already obtained  For instance  a slug uses the title of an article to generate a URL  I advise to generate the slug by means of a function  given the title  or another piece of data   rather than setting it manually   An example    lt title gt  The 46 Year Old Virgin  lt  title gt   lt content gt  A silly comedy movie  lt  content gt   lt slug gt  the-46-year-old-virgin  lt  slug gt    Now let s pretend that we have a Django model such as   class Article models Model       title   models CharField max length 100      content   models TextField max length 1000      slug   models SlugField max length 40    How would you reference this object with a URL and with a meaningful name  You could for instance use Article id so the URL would look like this   www example com article 23   Or  you might want to reference the title like this   www example com article The 46 Year Old Virgin   Since spaces aren t valid in URLs  they must be replaced by  20  which results in   www example com article The 2046 20Year 20Old 20Virgin   Both attempts are not resulting in very meaningful  easy-to-read URL  This is better   www example com article the-46-year-old-virgin   In this example  the-46-year-old-virgin is a slug  it is created from the title by down-casing all letters  and replacing spaces by hyphens -    Also see the URL of this very web page for another example

User · Answer

It s a descriptive part of the URL that is there to make it more human descriptive  but without necessarily being required by the web server - in What is a  quot slug quot  in Django  the slug is  in-django-what-is-a-slug   but the slug is not used to determine the page served  on this site at least

User · Answer

The term  slug  comes from the world of newspaper production   It s an informal name given to a story during the production process  As the story winds its path from the beat reporter  assuming these even exist any more   through to editor through to the  printing presses   this is the name it is referenced by  e g    Have you fixed those errors in the  kate-and-william  story     Some systems  such as Django  use the slug as part of the URL to locate the story  an example being www mysite com archives kate-and-william   Even Stack Overflow itself does this  with the GEB-ish a  self-referential https   stackoverflow com questions 427102 what-is-a-slug-in-django 427201 427201  although you can replace the slug with blahblah and it will still find it okay   It may even date back earlier than that  since screenplays had  slug lines  at the start of each scene  which basically sets the background for that scene  where  when  and so on   It s very similar in that it s a precis or preamble of what follows   On a Linotype machine  a slug was a single line piece of metal which was created from the individual letter forms  By making a single slug for the whole line  this greatly improved on the old character-by-character compositing   Although the following is pure conjecture  an early meaning of slug was for a counterfeit coin  which would have to be pressed somehow   I could envisage that usage being transformed to the printing term  since the slug had to be pressed using the original characters  and from there  changing from the  piece of metal  definition to the  story summary  definition  From there  it s a short step from proper printing to the online world      a   Godel Escher  Bach   by one Douglas Hofstadter  which I  at least  consider one of the great modern intellectual works  You should also check out his other work   Metamagical Themas

User · Answer

In short slug help get rid of those ugly looking urls with valid-urls for examples in an ecommerec site instead of showing the url as www myecom com product 5432156 i can show it like www myecom com product iphone11 with the help of slug

User · Answer

The term  slug  comes from the world of newspaper production   It s an informal name given to a story during the production process  As the story winds its path from the beat reporter  assuming these even exist any more   through to editor through to the  printing presses   this is the name it is referenced by  e g    Have you fixed those errors in the  kate-and-william  story     Some systems  such as Django  use the slug as part of the URL to locate the story  an example being www mysite com archives kate-and-william   Even Stack Overflow itself does this  with the GEB-ish a  self-referential https   stackoverflow com questions 427102 what-is-a-slug-in-django 427201 427201  although you can replace the slug with blahblah and it will still find it okay   It may even date back earlier than that  since screenplays had  slug lines  at the start of each scene  which basically sets the background for that scene  where  when  and so on   It s very similar in that it s a precis or preamble of what follows   On a Linotype machine  a slug was a single line piece of metal which was created from the individual letter forms  By making a single slug for the whole line  this greatly improved on the old character-by-character compositing   Although the following is pure conjecture  an early meaning of slug was for a counterfeit coin  which would have to be pressed somehow   I could envisage that usage being transformed to the printing term  since the slug had to be pressed using the original characters  and from there  changing from the  piece of metal  definition to the  story summary  definition  From there  it s a short step from proper printing to the online world      a   Godel Escher  Bach   by one Douglas Hofstadter  which I  at least  consider one of the great modern intellectual works  You should also check out his other work   Metamagical Themas

User · Answer

Slug is a URL friendly short label for specific content  It only contain Letters  Numbers  Underscores or Hyphens  Slugs are commonly save with the respective content and it pass as a URL string   Slug can create using SlugField  Ex   class Article models Model       title   models CharField max length 100      slug   models SlugField max length 100    If you want to use title as slug  django has a simple function called slugify  from django template defaultfilters import slugify  class Article models Model       title   models CharField max length 100       def slug self           return slugify self title    If it needs uniqueness  add unique True in slug field   for instance  from the previous example   class Article models Model       title   models CharField max length 100      slug   models SlugField max length 100  unique True    Are you lazy to do slug process   don t worry  this plugin will help you  django-autoslug

User · Answer

From here         Slug    is a newspaper term  but what   it means here is the final bit of the   URL  For example  a post with the   title     A bit about Django    would   become     bit-about-django      automatically  you can  of course    change it easily if you don   t like the   auto-generated slug

User · Answer

It is a way of generating a valid URL  generally using data already obtained  For instance  using the title of an article to generate a URL

User · Answer

A  slug  is a way of generating a valid URL  generally using data already obtained  For instance  a slug uses the title of an article to generate a URL  I advise to generate the slug by means of a function  given the title  or another piece of data   rather than setting it manually   An example    lt title gt  The 46 Year Old Virgin  lt  title gt   lt content gt  A silly comedy movie  lt  content gt   lt slug gt  the-46-year-old-virgin  lt  slug gt    Now let s pretend that we have a Django model such as   class Article models Model       title   models CharField max length 100      content   models TextField max length 1000      slug   models SlugField max length 40    How would you reference this object with a URL and with a meaningful name  You could for instance use Article id so the URL would look like this   www example com article 23   Or  you might want to reference the title like this   www example com article The 46 Year Old Virgin   Since spaces aren t valid in URLs  they must be replaced by  20  which results in   www example com article The 2046 20Year 20Old 20Virgin   Both attempts are not resulting in very meaningful  easy-to-read URL  This is better   www example com article the-46-year-old-virgin   In this example  the-46-year-old-virgin is a slug  it is created from the title by down-casing all letters  and replacing spaces by hyphens -    Also see the URL of this very web page for another example

User · Answer

The term  slug  comes from the world of newspaper production   It s an informal name given to a story during the production process  As the story winds its path from the beat reporter  assuming these even exist any more   through to editor through to the  printing presses   this is the name it is referenced by  e g    Have you fixed those errors in the  kate-and-william  story     Some systems  such as Django  use the slug as part of the URL to locate the story  an example being www mysite com archives kate-and-william   Even Stack Overflow itself does this  with the GEB-ish a  self-referential https   stackoverflow com questions 427102 what-is-a-slug-in-django 427201 427201  although you can replace the slug with blahblah and it will still find it okay   It may even date back earlier than that  since screenplays had  slug lines  at the start of each scene  which basically sets the background for that scene  where  when  and so on   It s very similar in that it s a precis or preamble of what follows   On a Linotype machine  a slug was a single line piece of metal which was created from the individual letter forms  By making a single slug for the whole line  this greatly improved on the old character-by-character compositing   Although the following is pure conjecture  an early meaning of slug was for a counterfeit coin  which would have to be pressed somehow   I could envisage that usage being transformed to the printing term  since the slug had to be pressed using the original characters  and from there  changing from the  piece of metal  definition to the  story summary  definition  From there  it s a short step from proper printing to the online world      a   Godel Escher  Bach   by one Douglas Hofstadter  which I  at least  consider one of the great modern intellectual works  You should also check out his other work   Metamagical Themas

User · Answer

slug  A short label for something  containing only letters  numbers  underscores or hyphens  They   re generally used in URLs  For example  in a typical blog entry URL   https   www djangoproject com weblog 2008 apr 12 spring  the last bit  spring  is the slug

User · Answer

Slug is a URL friendly short label for specific content  It only contain Letters  Numbers  Underscores or Hyphens  Slugs are commonly save with the respective content and it pass as a URL string   Slug can create using SlugField  Ex   class Article models Model       title   models CharField max length 100      slug   models SlugField max length 100    If you want to use title as slug  django has a simple function called slugify  from django template defaultfilters import slugify  class Article models Model       title   models CharField max length 100       def slug self           return slugify self title    If it needs uniqueness  add unique True in slug field   for instance  from the previous example   class Article models Model       title   models CharField max length 100      slug   models SlugField max length 100  unique True    Are you lazy to do slug process   don t worry  this plugin will help you  django-autoslug

User · Answer

From here         Slug    is a newspaper term  but what   it means here is the final bit of the   URL  For example  a post with the   title     A bit about Django    would   become     bit-about-django      automatically  you can  of course    change it easily if you don   t like the   auto-generated slug

User · Answer

If I may provide some historical context    The term  slug  has to do with casting metal   lead  in this case   out of which the press fonts were made  Every paper then had its fonts factory regularly re-melted and recast in fresh molds  since after many prints they became worn out  Apprentices like me started their career there  and went all the way to the top  not anymore    Typographs had to compose the text of an article in a backward manner with lead characters stacked in a wise  So at printing time the letters would be straight on the paper  All typographs could read the newspaper mirrored as fast as the printed one  Therefore the slugs   like snails  also the slow stories  the last to be fixed  were many on the bench waiting  solely identified by their fist letters  mostly the whole title generally more readable  Some  hot  news were waiting there on the bench  for possible last minute correction   Evening paper  before last assembly and definitive printing   Django emerged from the offices of the Lawrence journal in Kansas  Where probably some printing jargon still lingers  A-django-enthusiast- amp -friendly-old-slug-boy-from-France

User · Answer

A  slug  is a way of generating a valid URL  generally using data already obtained  For instance  a slug uses the title of an article to generate a URL  I advise to generate the slug by means of a function  given the title  or another piece of data   rather than setting it manually   An example    lt title gt  The 46 Year Old Virgin  lt  title gt   lt content gt  A silly comedy movie  lt  content gt   lt slug gt  the-46-year-old-virgin  lt  slug gt    Now let s pretend that we have a Django model such as   class Article models Model       title   models CharField max length 100      content   models TextField max length 1000      slug   models SlugField max length 40    How would you reference this object with a URL and with a meaningful name  You could for instance use Article id so the URL would look like this   www example com article 23   Or  you might want to reference the title like this   www example com article The 46 Year Old Virgin   Since spaces aren t valid in URLs  they must be replaced by  20  which results in   www example com article The 2046 20Year 20Old 20Virgin   Both attempts are not resulting in very meaningful  easy-to-read URL  This is better   www example com article the-46-year-old-virgin   In this example  the-46-year-old-virgin is a slug  it is created from the title by down-casing all letters  and replacing spaces by hyphens -    Also see the URL of this very web page for another example

User · Answer

Slug is a newspaper term  A slug is a short label for something  containing only letters  numbers  underscores or hyphens  They   re generally used in URLs   as in Django docs   A slug field in Django is used to store and generate valid URLs for your dynamically created web pages  Just like the way you added this question on Stack Overflow and a dynamic page was generated and when you see in the address bar you will see your question title with  quot - quot  in place of the spaces  That s exactly the job of a slug field    The title entered by you was something like this - gt  What is a    slug    in Django  On storing it into a slug field it becomes  quot what-is-a-slug-in-django quot     see URL of this page

User · Answer

It s a descriptive part of the URL that is there to make it more human descriptive  but without necessarily being required by the web server - in What is a  quot slug quot  in Django  the slug is  in-django-what-is-a-slug   but the slug is not used to determine the page served  on this site at least

User · Answer

slug  A short label for something  containing only letters  numbers  underscores or hyphens  They   re generally used in URLs  For example  in a typical blog entry URL   https   www djangoproject com weblog 2008 apr 12 spring  the last bit  spring  is the slug

User · Answer

It s a descriptive part of the URL that is there to make it more human descriptive  but without necessarily being required by the web server - in What is a  quot slug quot  in Django  the slug is  in-django-what-is-a-slug   but the slug is not used to determine the page served  on this site at least

User · Answer

Also auto slug at django-admin  Added at ModelAdmin   prepopulated fields     slug     title        As here   class ArticleAdmin admin ModelAdmin       list display     title    slug       search fields     content          prepopulated fields     slug     title

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