TemplateSyntaxError: unexpected char u'\\' at 205 Airflow Macros

Question

I am getting the following error :

File "<unknown>", line 1, in template
TemplateSyntaxError: unexpected char u'\\' at 205

When I include this in my code:

'{{ macros.ds_format(macros.ds_add(ds, -13), "%Y-%m-%d", "%Y%m%d") }}'

I re-typed it in vim in case it was an error with encoding, but still no luck!

Is `macros.ds_format(macros.ds_add(ds, -13), "%Y-%m-%d", "%Y%m%d")` supposed to be a variable? — whackamadoodle3000, May 25 '17 at 22:52
Usually, you put the variable in the `{{}}` and put code in the backend. — whackamadoodle3000, May 25 '17 at 22:56
That'w what I've done above, i,e put variable_name = {{ macros blah blah }} — Xstatic, May 25 '17 at 22:57
Well I pulled this from a code segment that works for someone else, so I don't see why it should fail. Also it's a string till the template it evaluated. — Xstatic, May 25 '17 at 22:59

score 4 · Answer 1 · answered Sep 22 '21 at 13:42

Change to this:

"{{ macros.ds_format(macros.ds_add(ds, -13), '%Y-%m-%d', '%Y%m%d') }}"

Airflow jinja templates does not accept " in the middle of your template. I've had this same problem using this same ds_format macro. Always represents strings inside your template with ', for example: 'my_string', and it should work.

TemplateSyntaxError: unexpected char u'\\' at 205 Airflow Macros

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