Difference Between Put and Patch request Django Rest framework | Djago Rest framework advanced

Hey guys, Abhijeet Back again with another video. We are going to start a new series on the Django rest framework this is the first video of the Django Rest framework. In this video, we will look difference between put and patch method django rest framework
This is an introduction video for the Django rest framework.

Learn Django Rest Framework today | Introduction to Django Rest Framework | What is Rest Framework

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[syedmaazhassan]

To All those, who are facing errors in the PATCH request:

This error is due to the def validate() method in the serializer. Since we are not passing all parameters during the PATCH request,
so one or more of --- if data['age'] --- or --- data['name'] --- or --- data['father_name'] --- conditions are throwing errors because all parameters are not defined.

SOLUTION:;
change conditions in def validate() method from serializer like this:
Change --- if data['age'] < 18 --- to ---- if 'age' in data and data['age'] < 18:
Change --- if data['name'].isphanum() --- to ---- if 'name' in data and if data['name'].isphanum() :

Change --- if --- to ---- if 'name' in data and if :

Meaning that before comparing the parameter, add one more check that if that parameter exists in the given data by --
--- if 'parameter' in data ---- and then compare

[syedmaazhassan]

Thank you so much from the bottom of my heart. You are delivering very good and important content in a very beautiful manner. Love and respect from Pakistan

[adityakasaudhan]

Your content is awesome man
You deserve more views and subscriber

[rahulnaik]

Hello at 4:57 im getting an error " JSON parse error - Expecting property name enclosed in double quotes".. i have put everything into double quotes but still getting the same error.. can you help ?

[arpitsoni]

best tutorial, hope you cover all things that I want. small correction: Django spelling is wrong in the title

[syedmd.mehedihasan]

Patch is not working. Whenever I write partial=True in views.py raised error.

[Arjywn]

How i fixed PATCH issue :

this is my serializers.py file :

class

class Meta:
model=Student
# fields = ['name', 'age']
# exclude = ['id']
fields = '__all__'

def validate(self, data):
if 'age' in data and data['age'] < 18:
raise 'age cannot be less than 18'})

if 'name' in data and any(char.isdigit() for char in data['name']):
raise 'name cannot contain numeric characters'})

if 'father_name' in data and any(char.isdigit() for char in data['father_name']):
raise 'father name cannot contain numeric characters'})

return data


Now in PATCH the request data may not contain some fields right ( imagine we are updating only name so fathers_name will be null l;age wont be issue as it has default) so first we check if those fields exist like if 'name' in data or if 'father_name' in data only after this we do our required validation ( check if name contains numeric characters ) Also i prefer using isdigit this way, you may use as per your logic


EDIT: for passing delete id as query param do make sure you edit urls.py to remove <id>/ from delete url path

[sandeepbisht]

why we didnot use serialization in views while deleting

[gauravsolanki]

Bro You Are Amazing.But Rest Framework Ko Bahut Deep Tak Le Jaana Please.Like All Tokens Aur Ye Sab

[utkarshsaxena]

Hey!
I followed this video but the patch request is always throwing exception of invalid id

[pranavingale]

Put thaught great, patch explanation great, practical terrible!