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python syntax error

MatthewUpchurch1

I'm having a bit of trouble figuring out what is wrong with this script. I am trying to tell it "if there is a direction in the pdir/sdir field, concatenate the string into the field, otherwise just print the sname + typ". It says the syntax error is on line 3. Thanks.

def reclass(pdir,sdir,typ,sname):
if (pdir == 'N'):
return pdir + ' ' + sname + ' ' typ
elif (pdir == 'S'):
return pdir + ' ' + sname + ' ' typ
elif (pdir == 'E'):
return pdir + ' ' + sname + ' ' typ
elif (pdir == 'W'):
return pdir + ' ' + sname + ' ' typ
elif (sdir == 'N'):
return sname + ' ' typ + ' ' + sdir
elif (sdir == 'S'):
return sname + ' ' typ + ' ' + sdir
elif (sdir == 'E'):
return sname + ' ' typ + ' ' + sdir
elif (sdir == 'W'):
return sname + ' ' typ + ' ' + sdir
else:
return sname + ' ' + typ

Najděte více příspěvků označených jako

Accepted answers

DanPatterson_Retired

return pdir + ' ' + sname + ' ' typ

you are missing a + before typ and if typ is numeric it should be str(typ)

better

<SPAN class="string token">"{} {} {}"</SPAN><SPAN class="punctuation token">.</SPAN>format<SPAN class="punctuation token">(</SPAN>pdir<SPAN class="punctuation token">,</SPAN> sname<SPAN class="punctuation token">,</SPAN> typ<SPAN class="punctuation token">)</SPAN><SPAN class="line-numbers-rows"><SPAN>‍</SPAN></SPAN>

All comments

DanPatterson_Retired

just replace all your

return ... your lines where you will forget the plus or space ..... with

return ...my line

return .... modify my line 1 to reflect your new order for N, S, E and W it

ie sname, typ, sdir

my format line replaces the { } with the contents of the values in the format side. since they are in order they will fill those brackets with the values... Note, that I put a space inbetween them... you could use commas or whatever in between them. The trick is the values are converted to strings automatically so there is no need for str ing anything. and it will return a string as output

MatthewUpchurch1

Thanks Dan Patterson! Amateur mistake lol. How would I use the .format() in the field calculator though?

DanPatterson_Retired

return pdir + ' ' + sname + ' ' typ

you are missing a + before typ and if typ is numeric it should be str(typ)

better

<SPAN class="string token">"{} {} {}"</SPAN><SPAN class="punctuation token">.</SPAN>format<SPAN class="punctuation token">(</SPAN>pdir<SPAN class="punctuation token">,</SPAN> sname<SPAN class="punctuation token">,</SPAN> typ<SPAN class="punctuation token">)</SPAN><SPAN class="line-numbers-rows"><SPAN>‍</SPAN></SPAN>

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