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pyexcel-io provides one application programming interface(API) to read and write the data in excel format, import the data into and export the data from database. It provides support for csv(z) format, django database and sqlalchemy supported databases. Its supported file formats are extended to cover "xls", "xlsx", "ods" by the following extensions:
| Package name | Supported file formats | Dependencies | Python versions |
|---|---|---|---|
| pyexcel-io | csv, csvz [1], tsv, tsvz [2] | 2.6, 2.7, 3.3, 3.4, 3.5, 3.6 pypy | |
| pyexcel-xls | xls, xlsx(read only), xlsm(read only) | xlrd, xlwt | same as above |
| pyexcel-xlsx | xlsx | openpyxl | same as above |
| pyexcel-ods3 | ods | pyexcel-ezodf, lxml | 2.6, 2.7, 3.3, 3.4 3.5, 3.6 |
| pyexcel-ods | ods | odfpy | same as above |
| Package name | Supported file formats | Dependencies | Python versions |
|---|---|---|---|
| pyexcel-xlsxw | xlsx(write only) | XlsxWriter | Python 2 and 3 |
| pyexcel-xlsxr | xlsx(read only) | lxml | same as above |
| pyexcel-xlsbr | xlsx(read only) | pyxlsb | same as above |
| pyexcel-odsr | read only for ods, fods | lxml | same as above |
| pyexcel-odsw | write only for ods | loxun | same as above |
| pyexcel-htmlr | html(read only) | lxml,html5lib | same as above |
| pyexcel-pdfr | pdf(read only) | pdftables | Python 2 only. |
In order to manage the list of plugins installed, you need to use pip to add or remove a plugin. When you use virtualenv, you can have different plugins per virtual environment. In the situation where you have multiple plugins that does the same thing in your environment, you need to tell pyexcel which plugin to use per function call. For example, pyexcel-ods and pyexcel-odsr, and you want to get_array to use pyexcel-odsr. You need to append get_array(..., library='pyexcel-odsr').
Footnotes
| [1] | zipped csv file |
| [2] | zipped tsv file |
If you need to manipulate the data, you might do it yourself or use its brother library pyexcel .
If you would like to extend it, you may use it to write your own extension to handle a specific file format.
You can install pyexcel-io via pip:
$ pip install pyexcel-ioor clone it and install it:
$ git clone https://github.com/pyexcel/pyexcel-io.git
$ cd pyexcel-io
$ python setup.py installDevelopment steps for code changes
- git clone https://github.com/pyexcel/pyexcel-io.git
- cd pyexcel-io
Upgrade your setup tools and pip. They are needed for development and testing only:
- pip install --upgrade setuptools pip
Then install relevant development requirements:
- pip install -r rnd_requirements.txt # if such a file exists
- pip install -r requirements.txt
- pip install -r tests/requirements.txt
Once you have finished your changes, please provide test case(s), relevant documentation and update CHANGELOG.rst.
Note
As to rnd_requirements.txt, usually, it is created when a dependent library is not released. Once the dependecy is installed (will be released), the future version of the dependency in the requirements.txt will be valid.
Although nose and doctest are both used in code testing, it is adviable that unit tests are put in tests. doctest is incorporated only to make sure the code examples in documentation remain valid across different development releases.
On Linux/Unix systems, please launch your tests like this:
$ make
On Windows systems, please issue this command:
> test.bat
Additional steps are required:
- pip install moban
- git clone https://github.com/moremoban/setupmobans.git # generic setup
- git clone https://github.com/pyexcel/pyexcel-commons.git commons
- make your changes in .moban.d directory, then issue command moban
Many information that are shared across pyexcel projects, such as: this developer guide, license info, etc. are stored in pyexcel-commons project.
.moban.d stores the specific meta data for the library.
- Has Test cases written
- Has all code lines tested
- Passes all Travis CI builds
- Has fair amount of documentation if your change is complex
- run 'make format' so as to confirm the pyexcel organisation's coding style
- Please update CHANGELOG.rst
- Please add yourself to CONTRIBUTORS.rst
- Agree on NEW BSD License for your contribution
New BSD License