How to concatenate string and variable in django view.py?

Question

i want to concatenate string and variable in views.py file.

i tried {{}} but this is not working on views.py file.

    try:
         filename= file.cv #file name comes from db
         path = "media/" filename
         return FileResponse(open("path, 'rb'), content_type='application/pdf')
    except FileNotFoundError:
         raise Http404()

i need to save a string in path variable like "media/cv.pdf" or "media/mycv.pdf" but can't do that.

path = "media/" + filename or path = os.path.join("media", filename) — furas
– furas, Commented Jul 9, 2019 at 22:50

furas · Accepted Answer · 2019-07-09 23:10:18Z

1

Because filename is a string so you could conacatenate like two strings

path = "media/" + filename

but preferred is

path = os.path.join("media", filename)

which will use / on Linux/MacOS and \ on Windows

answered Jul 9, 2019 at 23:10

furas

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2 Comments

Umer Rasheed Over a year ago

1st one is not working fine and the second one is working fine.

furas Over a year ago

all may depends what text you have in variable filename - if there is only filename without folders then they should generate the same string. you can always check it with print( path ) and see if both gives the same. But as I wrote in answer second is preferred because it may do something more then only concatenate strings.

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