pyexcel-ods - Let you focus on data, instead of ods format
pyexcel-ods is a tiny wrapper library to read, manipulate and write data in ods format using python 2.6 and python 2.7. You are likely to use it with pyexcel. pyexcel-ods3 is a sister library that depends on ezodf and lxml. pyexcel-odsr is the other sister library that has no external dependency but do ods reading only
Known constraints
Fonts, colors and charts are not supported.
Installation
You can install pyexcel-ods via pip:
$ pip install pyexcel-ods
or clone it and install it:
$ git clone https://github.com/pyexcel/pyexcel-ods.git
$ cd pyexcel-ods
$ python setup.py install
Support the project
If your company has embedded pyexcel and its components into a revenue generating product, please support me on patreon or bounty source to maintain the project and develop it further.
If you are an individual, you are welcome to support me too and for however long you feel like. As my backer, you will receive early access to pyexcel related contents.
And your issues will get prioritized if you would like to become my patreon as pyexcel pro user.
With your financial support, I will be able to invest a little bit more time in coding, documentation and writing interesting posts.
Usage
As a standalone library
Write to an ods file
Here's the sample code to write a dictionary to an ods file:
>>> from pyexcel_ods import save_data >>> data = OrderedDict() # from collections import OrderedDict >>> data.update({"Sheet 1": [[1, 2, 3], [4, 5, 6]]}) >>> data.update({"Sheet 2": [["row 1", "row 2", "row 3"]]}) >>> save_data("your_file.ods", data)
Read from an ods file
Here's the sample code:
>>> from pyexcel_ods import get_data >>> data = get_data("your_file.ods") >>> import json >>> print(json.dumps(data)) {"Sheet 1": [[1, 2, 3], [4, 5, 6]], "Sheet 2": [["row 1", "row 2", "row 3"]]}
Write an ods to memory
Here's the sample code to write a dictionary to an ods file:
>>> from pyexcel_ods import save_data >>> data = OrderedDict() >>> data.update({"Sheet 1": [[1, 2, 3], [4, 5, 6]]}) >>> data.update({"Sheet 2": [[7, 8, 9], [10, 11, 12]]}) >>> io = StringIO() >>> save_data(io, data) >>> # do something with the io >>> # In reality, you might give it to your http response >>> # object for downloading
Read from an ods from memory
Continue from previous example:
>>> # This is just an illustration >>> # In reality, you might deal with ods file upload >>> # where you will read from requests.FILES['YOUR_ODS_FILE'] >>> data = get_data(io) >>> print(json.dumps(data)) {"Sheet 1": [[1, 2, 3], [4, 5, 6]], "Sheet 2": [[7, 8, 9], [10, 11, 12]]}
Pagination feature
Special notice 30/01/2017: due to the constraints of the underlying 3rd party library, it will read the whole file before returning the paginated data. So at the end of day, the only benefit is less data returned from the reading function. No major performance improvement will be seen.
With that said, please install pyexcel-odsr and it gives better performance in pagination.
Let's assume the following file is a huge ods file:
>>> huge_data = [ ... [1, 21, 31], ... [2, 22, 32], ... [3, 23, 33], ... [4, 24, 34], ... [5, 25, 35], ... [6, 26, 36] ... ] >>> sheetx = { ... "huge": huge_data ... } >>> save_data("huge_file.ods", sheetx)
And let's pretend to read partial data:
>>> partial_data = get_data("huge_file.ods", start_row=2, row_limit=3) >>> print(json.dumps(partial_data)) {"huge": [[3, 23, 33], [4, 24, 34], [5, 25, 35]]}
And you could as well do the same for columns:
>>> partial_data = get_data("huge_file.ods", start_column=1, column_limit=2) >>> print(json.dumps(partial_data)) {"huge": [[21, 31], [22, 32], [23, 33], [24, 34], [25, 35], [26, 36]]}
Obvious, you could do both at the same time:
>>> partial_data = get_data("huge_file.ods", ... start_row=2, row_limit=3, ... start_column=1, column_limit=2) >>> print(json.dumps(partial_data)) {"huge": [[23, 33], [24, 34], [25, 35]]}
As a pyexcel plugin
No longer, explicit import is needed since pyexcel version 0.2.2. Instead, this library is auto-loaded. So if you want to read data in ods format, installing it is enough.
Reading from an ods file
Here is the sample code:
>>> import pyexcel as pe >>> sheet = pe.get_book(file_name="your_file.ods") >>> sheet Sheet 1: +---+---+---+ | 1 | 2 | 3 | +---+---+---+ | 4 | 5 | 6 | +---+---+---+ Sheet 2: +-------+-------+-------+ | row 1 | row 2 | row 3 | +-------+-------+-------+
Writing to an ods file
Here is the sample code:
>>> sheet.save_as("another_file.ods")
Reading from a IO instance
You got to wrap the binary content with stream to get ods working:
>>> # This is just an illustration >>> # In reality, you might deal with ods file upload >>> # where you will read from requests.FILES['YOUR_ODS_FILE'] >>> odsfile = "another_file.ods" >>> with open(odsfile, "rb") as f: ... content = f.read() ... r = pe.get_book(file_type="ods", file_content=content) ... print(r) ... Sheet 1: +---+---+---+ | 1 | 2 | 3 | +---+---+---+ | 4 | 5 | 6 | +---+---+---+ Sheet 2: +-------+-------+-------+ | row 1 | row 2 | row 3 | +-------+-------+-------+
Writing to a StringIO instance
You need to pass a StringIO instance to Writer:
>>> data = [ ... [1, 2, 3], ... [4, 5, 6] ... ] >>> io = StringIO() >>> sheet = pe.Sheet(data) >>> io = sheet.save_to_memory("ods", io) >>> # then do something with io >>> # In reality, you might give it to your http response >>> # object for downloading
License
New BSD License
Developer guide
Development steps for code changes
- git clone https://github.com/pyexcel/pyexcel-ods.git
- cd pyexcel-ods
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.
How to test your contribution
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
How to update test environment and update documentation
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
What is pyexcel-commons
Many information that are shared across pyexcel projects, such as: this developer guide, license info, etc. are stored in pyexcel-commons project.
What is .moban.d
.moban.d stores the specific meta data for the library.
Acceptance criteria
- 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
Credits
ODSReader is originally written by Marco Conti
Commit History @2ab759ec-2861-4582-bb01-b4ed5345a469/main
- Update debian/changelog Sophie Brun 4 years ago
- Add a patch to remove files created during tests Sophie Brun 4 years ago
- Update documentation files Sophie Brun 4 years ago
- Build python3 package Sophie Brun 4 years ago
- Update debian/copyright Sophie Brun 4 years ago
- Bump Standards-Version to 4.3.0 Sophie Brun 4 years ago
- Use debhelper-compat 12 Sophie Brun 4 years ago
- Update upstream source from tag 'upstream/0.5.6' Sophie Brun 4 years ago
- New upstream version 0.5.6 Sophie Brun 4 years ago
- Add debian/gbp.conf Sophie Brun 4 years ago
- Update Vcs-* fields for the move to gitlab.com Raphaël Hertzog 5 years ago
- Update Maintainer field Raphaël Hertzog 5 years ago
- Add missing doc README.rst Sophie Brun 6 years ago
- Initial release Sophie Brun 6 years ago
- New upstream version 0.1.1 Sophie Brun 6 years ago