Python - Reading through the same file from different starting lines
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I am trying to read a .non file (you can find an example here).
Those files contains 4 keys: width, height, rows and columns (both are made of multiple values).
Width and Height are ALWAYS before Rows, Columns or in my case Goal, thus I have to go through the file while not knowing when I'll find what I need.
Here's what I'm trying to do:
# This function will create the grid
def fcreate(grid_id):
gridfile = open(grid_id['grid'], "r")
# Here, we're going through the entire file, getting the values we need.
# Still working on a pretty way to make the dictionary !
for line in gridfile:
if "width" in line:
grid_id['width'] = re.sub('[A-z]', '', line).strip()
if "height" in line:
grid_id['height'] = re.sub('[A-z]', '', line).strip()
if "rows" in line:
# Get all the rows values until something else ? Or EOF
if "columns" in line:
# Get all the columns values until something else ? Or EOF
# end of the for
gridfile.close()
return grid_id
pass
Grid_id contains all the values I have to get.
I've tried making a new for in the "if "rows"", a while and whatnot, but can't seem to escape either reading through the entire file again or looping on the line that contains "rows" or "columns.
python
edited Nov 16 '18 at 10:31
usr2564301
17.9k73373
asked Nov 16 '18 at 10:13
KoreosKoreos
103
add a comment |
I am trying to read a .non file (you can find an example here).
Those files contains 4 keys: width, height, rows and columns (both are made of multiple values).
Width and Height are ALWAYS before Rows, Columns or in my case Goal, thus I have to go through the file while not knowing when I'll find what I need.
Here's what I'm trying to do:
# This function will create the grid
def fcreate(grid_id):
gridfile = open(grid_id['grid'], "r")
# Here, we're going through the entire file, getting the values we need.
# Still working on a pretty way to make the dictionary !
for line in gridfile:
if "width" in line:
grid_id['width'] = re.sub('[A-z]', '', line).strip()
if "height" in line:
grid_id['height'] = re.sub('[A-z]', '', line).strip()
if "rows" in line:
# Get all the rows values until something else ? Or EOF
if "columns" in line:
# Get all the columns values until something else ? Or EOF
# end of the for
gridfile.close()
return grid_id
pass
Grid_id contains all the values I have to get.
I've tried making a new for in the "if "rows"", a while and whatnot, but can't seem to escape either reading through the entire file again or looping on the line that contains "rows" or "columns.
python
edited Nov 16 '18 at 10:31
usr2564301
17.9k73373
asked Nov 16 '18 at 10:13
KoreosKoreos
103
add a comment |
I am trying to read a .non file (you can find an example here).
Those files contains 4 keys: width, height, rows and columns (both are made of multiple values).
Width and Height are ALWAYS before Rows, Columns or in my case Goal, thus I have to go through the file while not knowing when I'll find what I need.
Here's what I'm trying to do:
# This function will create the grid
def fcreate(grid_id):
gridfile = open(grid_id['grid'], "r")
# Here, we're going through the entire file, getting the values we need.
# Still working on a pretty way to make the dictionary !
for line in gridfile:
if "width" in line:
grid_id['width'] = re.sub('[A-z]', '', line).strip()
if "height" in line:
grid_id['height'] = re.sub('[A-z]', '', line).strip()
if "rows" in line:
# Get all the rows values until something else ? Or EOF
if "columns" in line:
# Get all the columns values until something else ? Or EOF
# end of the for
gridfile.close()
return grid_id
pass
Grid_id contains all the values I have to get.
I've tried making a new for in the "if "rows"", a while and whatnot, but can't seem to escape either reading through the entire file again or looping on the line that contains "rows" or "columns.
python
edited Nov 16 '18 at 10:31
usr2564301
17.9k73373
asked Nov 16 '18 at 10:13
KoreosKoreos
103
I am trying to read a .non file (you can find an example here).
Those files contains 4 keys: width, height, rows and columns (both are made of multiple values).
Width and Height are ALWAYS before Rows, Columns or in my case Goal, thus I have to go through the file while not knowing when I'll find what I need.
Here's what I'm trying to do:
# This function will create the grid
def fcreate(grid_id):
gridfile = open(grid_id['grid'], "r")
# Here, we're going through the entire file, getting the values we need.
# Still working on a pretty way to make the dictionary !
for line in gridfile:
if "width" in line:
grid_id['width'] = re.sub('[A-z]', '', line).strip()
if "height" in line:
grid_id['height'] = re.sub('[A-z]', '', line).strip()
if "rows" in line:
# Get all the rows values until something else ? Or EOF
if "columns" in line:
# Get all the columns values until something else ? Or EOF
# end of the for
gridfile.close()
return grid_id
pass
Grid_id contains all the values I have to get.
I've tried making a new for in the "if "rows"", a while and whatnot, but can't seem to escape either reading through the entire file again or looping on the line that contains "rows" or "columns.
python
python
edited Nov 16 '18 at 10:31
usr2564301
17.9k73373
asked Nov 16 '18 at 10:13
KoreosKoreos
103
edited Nov 16 '18 at 10:31
usr2564301
17.9k73373
asked Nov 16 '18 at 10:13
KoreosKoreos
103
edited Nov 16 '18 at 10:31
usr2564301
17.9k73373
edited Nov 16 '18 at 10:31
usr2564301
17.9k73373
edited Nov 16 '18 at 10:31
usr2564301
17.9k73373
17.9k73373
asked Nov 16 '18 at 10:13
KoreosKoreos
103
asked Nov 16 '18 at 10:13
KoreosKoreos
103
asked Nov 16 '18 at 10:13
KoreosKoreos
103
103
add a comment |
add a comment |
1 Answer
1
active
oldest
votes
You can store the indexes of the "rows" and "columns" lines then use these values to get the rows and column values.
You can do the following like that:
lines = gridfile.readlines()
for i,line in enumerate(lines):
if "width" in line:
grid_id['width'] = re.sub('[A-z]', '', line).strip()
if "height" in line:
grid_id['height'] = re.sub('[A-z]', '', line).strip()
if "rows" in line:
idx_rows = i
if "columns" in line:
idx_cols = i
width = int(grid_id['width'])
height = int(grid_id['height'])
rows = lines[idx_rows+1:idx_rows+1+height]
cols = lines[idx_cols+1:idx_cols+1+width]
answered Nov 16 '18 at 10:16
Mael GalliffetMael Galliffet
1364
add a comment |
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1 Answer
1
active
oldest
votes
1 Answer
1
active
oldest
votes
active
oldest
votes
active
oldest
votes
You can store the indexes of the "rows" and "columns" lines then use these values to get the rows and column values.
You can do the following like that:
lines = gridfile.readlines()
for i,line in enumerate(lines):
if "width" in line:
grid_id['width'] = re.sub('[A-z]', '', line).strip()
if "height" in line:
grid_id['height'] = re.sub('[A-z]', '', line).strip()
if "rows" in line:
idx_rows = i
if "columns" in line:
idx_cols = i
width = int(grid_id['width'])
height = int(grid_id['height'])
rows = lines[idx_rows+1:idx_rows+1+height]
cols = lines[idx_cols+1:idx_cols+1+width]
answered Nov 16 '18 at 10:16
Mael GalliffetMael Galliffet
1364
add a comment |
You can store the indexes of the "rows" and "columns" lines then use these values to get the rows and column values.
You can do the following like that:
lines = gridfile.readlines()
for i,line in enumerate(lines):
if "width" in line:
grid_id['width'] = re.sub('[A-z]', '', line).strip()
if "height" in line:
grid_id['height'] = re.sub('[A-z]', '', line).strip()
if "rows" in line:
idx_rows = i
if "columns" in line:
idx_cols = i
width = int(grid_id['width'])
height = int(grid_id['height'])
rows = lines[idx_rows+1:idx_rows+1+height]
cols = lines[idx_cols+1:idx_cols+1+width]
answered Nov 16 '18 at 10:16
Mael GalliffetMael Galliffet
1364
add a comment |
You can store the indexes of the "rows" and "columns" lines then use these values to get the rows and column values.
You can do the following like that:
lines = gridfile.readlines()
for i,line in enumerate(lines):
if "width" in line:
grid_id['width'] = re.sub('[A-z]', '', line).strip()
if "height" in line:
grid_id['height'] = re.sub('[A-z]', '', line).strip()
if "rows" in line:
idx_rows = i
if "columns" in line:
idx_cols = i
width = int(grid_id['width'])
height = int(grid_id['height'])
rows = lines[idx_rows+1:idx_rows+1+height]
cols = lines[idx_cols+1:idx_cols+1+width]
answered Nov 16 '18 at 10:16
Mael GalliffetMael Galliffet
1364
You can store the indexes of the "rows" and "columns" lines then use these values to get the rows and column values.
You can do the following like that:
lines = gridfile.readlines()
for i,line in enumerate(lines):
if "width" in line:
grid_id['width'] = re.sub('[A-z]', '', line).strip()
if "height" in line:
grid_id['height'] = re.sub('[A-z]', '', line).strip()
if "rows" in line:
idx_rows = i
if "columns" in line:
idx_cols = i
width = int(grid_id['width'])
height = int(grid_id['height'])
rows = lines[idx_rows+1:idx_rows+1+height]
cols = lines[idx_cols+1:idx_cols+1+width]
answered Nov 16 '18 at 10:16
Mael GalliffetMael Galliffet
1364
edited Nov 16 '18 at 10:34
answered Nov 16 '18 at 10:16
Mael GalliffetMael Galliffet
1364
answered Nov 16 '18 at 10:16
Mael GalliffetMael Galliffet
1364
answered Nov 16 '18 at 10:16
Mael GalliffetMael Galliffet
1364
1364
add a comment |
add a comment |
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