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add requirements.txt of different python versions #977

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Merged
merged 4 commits into from
Sep 15, 2021
Merged

add requirements.txt of different python versions #977

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293cab8
use 37 and 38
jimexist Sep 7, 2021
35b6bc3
update readme
jimexist Sep 7, 2021
52860a0
update ci as well
jimexist Sep 7, 2021
3b56e88
adding version update guidance
jimexist Sep 14, 2021
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2 changes: 1 addition & 1 deletion .github/workflows/python_test.yaml
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Expand Up @@ -45,7 +45,7 @@ jobs:
run: |
python -m venv venv
source venv/bin/activate
pip install -r python/requirements.txt
pip install -r python/requirements-39.txt
- name: Run Linters
run: |
source venv/bin/activate
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26 changes: 19 additions & 7 deletions python/README.md
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Expand Up @@ -119,6 +119,8 @@ df = df.aggregate(

```bash
pip install datafusion
# or
python -m pip install datafusion
```

## How to develop
Expand All @@ -130,14 +132,20 @@ Bootstrap:
```bash
# fetch this repo
git clone git@github.com:apache/arrow-datafusion.git

# change to python directory
cd arrow-datafusion/python

# prepare development environment (used to build wheel / install in development)
python3 -m venv venv
# activate the venv
source venv/bin/activate
pip install -r requirements.txt
# update pip itself if necessary
python -m pip install -U pip
# if python -V gives python 3.7
python -m pip install -r requirements-37.txt
# if python -V gives python 3.8
python -m pip install -r requirements-38.txt
# if python -V gives python 3.9
python -m pip install -r requirements-39.txt
```

Whenever rust code changes (your changes or via `git pull`):
Expand All @@ -154,16 +162,20 @@ To change test dependencies, change the `requirements.in` and run

```bash
# install pip-tools (this can be done only once), also consider running in venv
pip install pip-tools
python -m pip install pip-tools

# change requirements.in and then run
pip-compile --generate-hashes
python -m piptools compile --generate-hashes -o requirements-37.txt
# or run this is you are on python 3.8
python -m piptools compile --generate-hashes -o requirements-38.txt
# or run this is you are on python 3.9
python -m piptools compile --generate-hashes -o requirements-39.txt
```

To update dependencies, run
To update dependencies, run with `-U`

```bash
pip-compile update
python -m piptools compile -U --generate-hashes -o requirements-39.txt
```

More details [here](https://github.com/jazzband/pip-tools)
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