ascii - Traceback from a Python Script: invalid literal -


in short, python script supposed load , calculate ascii type files.

with pre-processed files, works without errors, while mine throws error. in case, looks though file different should (input-wise).

traceback (most recent call last):   file "d:\ter\scripts python\puissantpdi.py", line 124, in <module>     in range (42, (42+(int(type_ncols)*int(type_nrows)))): valueerror: invalid literal int() base 10: 'nrows'

*it not run in qgis/arcgis software, cmd or idle.

edit

just small part of code:

import sys   print("\npdi processing...\n")  ''' option file '''  open("options_pdi.txt") f:     content = f.readlines() content = [x.strip('\n') x in content] option= [] elem in content:     option.extend(elem.strip().split(" ")) f.close()  b_type_file=option[1] b_totalstage_file=option[3] b_function_file=option[5] b_state_file=option[7] b_age_file=option[9] b_material_file=option[11] b_occstage_file=option[13] landcover_file=option[15] landuse_file=option[17] transport_file=option[19] 
print("option file loaded...\n")  ''' building type file '''  open(b_type_file) f:     content = f.readlines() content = [x.strip('\n') x in content] b_type= [] elem in content:     b_type.extend(elem.strip().split(" ")) f.close()  type_ncols=b_type[9] type_nrows=b_type[19] type_xll=b_type[25] type_yll=b_type[31] type_pixelsize=b_type[38] type_nodata=b_type[41]  type_value=[] in range (42, (42+(int(type_ncols)*int(type_nrows)))):     type_value.append(b_type[i])  print("building type file loaded...")

you splitting on single spaces:

option= [] elem in content:     option.extend(elem.strip().split(" "))

you have space somewhere, offsets off-by-one.

you solve *removing argument str.split(). text automatically stripped, , split on arbitrary width whitespace. won't matter if there 1 or 2 or 20 spaces in file then:

with open("options_pdi.txt") f:     option = f.read().split()

note don't bother splitting file lines or stripping away newlines.

note treatment of files rather fragile still; expecting values exist @ positions. if files contain label value style lines, can read whole file dictionary:

with open("options_pdi.txt") f:     options = dict(line.strip().split(none, 1) line in f if ' ' in line)

and use dictionary address various values:

type_ncols = int(options['ncols'])

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