Simple wrapper for tabula, read tables from PDF into DataFrame
Project description
# tabula-py
[](https://travis-ci.org/chezou/tabula-py)
`tabula-py` is a simple Python wrapper of [tabula-java](https://github.com/tabulapdf/tabula-java), which can read table of PDF.
You can read tables from PDF and convert into pandas's DataFrame.
# Requirements
- Java
- Confirmed working with Java 7, 8
- pandas
## OS
I confirmed working on macOS and Ubuntu. I can't fully support Windows environment.
# Usage
## Install
```
pip install tabula-py
```
## Example
tabula-py enables you to extract table from PDF into DataFrame and JSON. It also can extract tables from PDF and save file as CSV, TSV or JSON.
```py
import tabula
# Read pdf into DataFrame
df = tabula.read_pdf("test.pdf", options)
# Read remote pdf into DataFrame
df2 = tabula.read_pdf("https://github.com/tabulapdf/tabula-java/raw/master/src/test/resources/technology/tabula/arabic.pdf")
# convert PDF into CSV
tabula.convert_into("test.pdf", "output.csv", output_format="csv")
# convert all PDFs in a directory
tabula.convert_into_by_batch("input_directory", output_format='csv')
```
See [example notebook](./examples/tabula_example.ipynb)
## Options
- pages (str, int, `list` of `int`, optional)
- An optional values specifying pages to extract from. It allows `str`, `int`, `list` of `int`.
- Example: 1, '1-2,3', 'all' or [1,2]. Default is 1
- guess (bool, optional):
- Guess the portion of the page to analyze per page.
- area (`list` of `float`, optional):
- Portion of the page to analyze(top,left,bottom,right).
- Example: [269.875, 12.75, 790.5, 561]. Default is entire page
- spreadsheet (bool, optional):
- Force PDF to be extracted using spreadsheet-style extraction (if there are ruling lines separating each cell, as in a PDF of an Excel spreadsheet)
- nospreadsheet (bool, optional):
- Force PDF not to be extracted using spreadsheet-style extraction (if there are ruling lines separating each cell, as in a PDF of an Excel spreadsheet)
- password (bool, optional):
- Password to decrypt document. Default is empty
- silent (bool, optional):
- Suppress all stderr output.
- columns (list, optional):
- X coordinates of column boundaries.
- Example: [10.1, 20.2, 30.3]
- output_format (str, optional):
- Format for output file or extracted object.
- For `read_pdf()`: `json`, `dataframe`
- For `convert_into()`: `csv`, `tsv`, `json`
- output_path (str, optional):
- Output file path. File format of it is depends on `format`.
- Same as `--outfile` option of tabula-java.
- java_options (`list`, optional):
- Set java options like `-Xmx256m`.
- multiple_tables (bool, optional):
- (Experimental) Extract multiple tables.
- This option uses JSON as an intermediate format, so if tabula-java output format will change, this option doesn't work.
## FAQ
### Can I use option `xxx`?
Yes. You can use `options` argument as following. The format is same as cli of tabula-java.
```py
read_pdf_table(file_path, options="--columns 10.1,20.2,30.3")
```
### How can I ignore useless area?
In short, you can extract with `area` and `spreadsheet` option.
```py
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
For example, using macOS's preview, I got area information of this [PDF](https://github.com/chezou/tabula-py/files/711877/table.pdf):
```
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 -a "337.29,226.49,472.85,384.91" table.pdf
```
Without `-r`(same as `--spreadsheet`) option, it does not work properly.
### I faced `CParserError`. How can I extract multiple tables?
Use `mutiple_tables` option. Note: This option is experimental.
[](https://travis-ci.org/chezou/tabula-py)
`tabula-py` is a simple Python wrapper of [tabula-java](https://github.com/tabulapdf/tabula-java), which can read table of PDF.
You can read tables from PDF and convert into pandas's DataFrame.
# Requirements
- Java
- Confirmed working with Java 7, 8
- pandas
## OS
I confirmed working on macOS and Ubuntu. I can't fully support Windows environment.
# Usage
## Install
```
pip install tabula-py
```
## Example
tabula-py enables you to extract table from PDF into DataFrame and JSON. It also can extract tables from PDF and save file as CSV, TSV or JSON.
```py
import tabula
# Read pdf into DataFrame
df = tabula.read_pdf("test.pdf", options)
# Read remote pdf into DataFrame
df2 = tabula.read_pdf("https://github.com/tabulapdf/tabula-java/raw/master/src/test/resources/technology/tabula/arabic.pdf")
# convert PDF into CSV
tabula.convert_into("test.pdf", "output.csv", output_format="csv")
# convert all PDFs in a directory
tabula.convert_into_by_batch("input_directory", output_format='csv')
```
See [example notebook](./examples/tabula_example.ipynb)
## Options
- pages (str, int, `list` of `int`, optional)
- An optional values specifying pages to extract from. It allows `str`, `int`, `list` of `int`.
- Example: 1, '1-2,3', 'all' or [1,2]. Default is 1
- guess (bool, optional):
- Guess the portion of the page to analyze per page.
- area (`list` of `float`, optional):
- Portion of the page to analyze(top,left,bottom,right).
- Example: [269.875, 12.75, 790.5, 561]. Default is entire page
- spreadsheet (bool, optional):
- Force PDF to be extracted using spreadsheet-style extraction (if there are ruling lines separating each cell, as in a PDF of an Excel spreadsheet)
- nospreadsheet (bool, optional):
- Force PDF not to be extracted using spreadsheet-style extraction (if there are ruling lines separating each cell, as in a PDF of an Excel spreadsheet)
- password (bool, optional):
- Password to decrypt document. Default is empty
- silent (bool, optional):
- Suppress all stderr output.
- columns (list, optional):
- X coordinates of column boundaries.
- Example: [10.1, 20.2, 30.3]
- output_format (str, optional):
- Format for output file or extracted object.
- For `read_pdf()`: `json`, `dataframe`
- For `convert_into()`: `csv`, `tsv`, `json`
- output_path (str, optional):
- Output file path. File format of it is depends on `format`.
- Same as `--outfile` option of tabula-java.
- java_options (`list`, optional):
- Set java options like `-Xmx256m`.
- multiple_tables (bool, optional):
- (Experimental) Extract multiple tables.
- This option uses JSON as an intermediate format, so if tabula-java output format will change, this option doesn't work.
## FAQ
### Can I use option `xxx`?
Yes. You can use `options` argument as following. The format is same as cli of tabula-java.
```py
read_pdf_table(file_path, options="--columns 10.1,20.2,30.3")
```
### How can I ignore useless area?
In short, you can extract with `area` and `spreadsheet` option.
```py
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
For example, using macOS's preview, I got area information of this [PDF](https://github.com/chezou/tabula-py/files/711877/table.pdf):
```
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 -a "337.29,226.49,472.85,384.91" table.pdf
```
Without `-r`(same as `--spreadsheet`) option, it does not work properly.
### I faced `CParserError`. How can I extract multiple tables?
Use `mutiple_tables` option. Note: This option is experimental.
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