Unable to use select_form in mechanized browser

atl068 · 08-07-2018, 12:39 AM

My university uses OKTA for authentication, and then it allows me to access many journals, e.g. NEJM. So, for example, https://www.nejm.org.ezproxy.flinders.edu.au will allow me to read all of the journal articles in New England Journal of Medicine. NEJM has a great RSS feed and I like to use it with Calibre. Alas, the built-in recipe is for direct subscribers.

Thus, I tried to modify the script. However, I ran into a problem. For OKTA, the form doesn't have a "name" but has only an "id". So the br.select_form(name="login") in the built-in script will fail and I can't change it to any other name. The form id appears to be "form17". Looking at the mechanized browser in python, I should be able to use alternative methods like: looking for form with a class containing some names, or the Nth form using nr=17 etc. However, when I use anything other than select_form(name=xxxx), Calibre fails saying that it was unexpected. What am I doing wrong? I just can't figure it out. I tried google and forum searching for referring to the form id instead of name, etc... but to no avail.

Thanks.

kovidgoyal · 08-07-2018, 02:18 AM

IIRC you should just be able to do

select_form(id="whatever")

Make sure you calibre version is up-to-date however, since I added that facility to mechanize relatively recently.

08-07-2018, 12:39 AM	#1
atl068 Member Posts: 18 Karma: 3134 Join Date: Oct 2016 Device: Onyx Boox m96	Unable to use select_form in mechanized browser My university uses OKTA for authentication, and then it allows me to access many journals, e.g. NEJM. So, for example, https://www.nejm.org.ezproxy.flinders.edu.au will allow me to read all of the journal articles in New England Journal of Medicine. NEJM has a great RSS feed and I like to use it with Calibre. Alas, the built-in recipe is for direct subscribers. Thus, I tried to modify the script. However, I ran into a problem. For OKTA, the form doesn't have a "name" but has only an "id". So the br.select_form(name="login") in the built-in script will fail and I can't change it to any other name. The form id appears to be "form17". Looking at the mechanized browser in python, I should be able to use alternative methods like: looking for form with a class containing some names, or the Nth form using nr=17 etc. However, when I use anything other than select_form(name=xxxx), Calibre fails saying that it was unexpected. What am I doing wrong? I just can't figure it out. I tried google and forum searching for referring to the form id instead of name, etc... but to no avail. Thanks.

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08-07-2018, 02:18 AM	#2
kovidgoyal creator of calibre Posts: 43,835 Karma: 22666666 Join Date: Oct 2006 Location: Mumbai, India Device: Various	IIRC you should just be able to do select_form(id="whatever") Make sure you calibre version is up-to-date however, since I added that facility to mechanize relatively recently.