Comments (8)
In short, you can extract with area
and spreadsheet
option.
In [4]: tabula.read_pdf('./table.pdf', spreadsheet=True, area=(337.29, 226.49, 472.85, 384.91))
Picked up JAVA_TOOL_OPTIONS: -Dfile.encoding=UTF-8
Out[4]:
Unnamed: 0 Col2 Col3 Col4 Col5
0 A B 12 R G
1 NaN R T 23 H
2 B B 33 R A
3 C T 99 E M
4 D I 12 34 M
5 E I I W 90
6 NaN 1 2 W h
7 NaN 4 3 E H
8 F E E4 R 4
How to use area
option
According to tabula-java wiki, there is a explain how to specify the area:
https://github.com/tabulapdf/tabula-java/wiki/Using-the-command-line-tabula-extractor-tool#grab-coordinates-of-the-table-you-want
Using macOS's preview, I got area information:
java -jar ./target/tabula-0.9.0-jar-with-dependencies.jar -p all -a $y1,$x1,$y2,$x2 -o $csvfile $filename
given
Note the left, top, height, and width parameters and calculate the following:
y1 = top
x1 = left
y2 = top + height
x2 = left + width
I confirmed with tabula-java:
java -jar ./tabula/tabula-0.9.1-jar-with-dependencies.jar -g -r -a "337.29,226.49,472.85,384.91" table.pdf
Without -r
(same as --spreadsheet
) option, it does not work properly.
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For that type of table, you should use column
or area
option.
This issue may help you. tabulapdf/tabula-java#84
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@sfinotti Use
columns
instead ifcolumn
. Note that columns option doesn't work with lattice mode.
Just tried with "columns", and got the error: 'float' object is not iterable
Then, changing "col_def" from =(186.681) to =(186.681,), it worded out
So, even if you have only ONE column delimiter, it's necessary to ad a "," at the end.
Thanks a lot !!!
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Indeed @chezou, I know that this is related to the area or column options. I looked through the docs, unfortunately I did not understood how to use such parameters in my case. Could you provide some example of how to use column
or area
parameters for this case?.
For instance I tried this:
In:
df = read_pdf_table('file.pdf', area = (269.875, 12.75, 790.5, 561))
But it still doesn't worked..
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@chezou thanks for the help!. It would worth to add this information to the docs!
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The spreadsheet flag did the trick. Thanks a lot @chezou
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I'm trying to use tabula-py to import some info from pdf files, but having problems with the argument 'column'. In my case, I need to use area (so far so good) and also column, since my data is not very well defined.
The data I need is a 2 column 'table' positioned in an specific area of the pdf files. I used tabula to determine the positions and everything is working good, except for the column argument.
I'm using this way:
def le_2(directory,tab_def,col_def):
demonstrativos = []
for filename in os.listdir(directory):
demo_mes = read_pdf(f"{directory}/{filename}", area=tab_def, columns=col_def, pandas_options={'header':None}, spread=True, guess=False)
demonstrativos.append(demo_mes)
return demonstrativos
tab_def=(148.378,13.016,410.922,253.991)
col_def=(186.681)
demo1 = le_2("2019/t1", tab_def, col_def)
The problem is that the column argument seems to be ignored. I always get the same output (as if there were no column argument), no matter what number I use for 'column'.
from tabula-py.
@sfinotti Use columns
instead if column
. Note that columns option doesn't work with lattice mode.
from tabula-py.
Related Issues (20)
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