ligurio opened a new issue, #55:
URL: https://github.com/apache/otava/issues/55
otava has a number of data importers: PostgreSQL, BigQuery, Graphite etc.
[^1]. All these importers (except CSV) implemented using 3rd-party Python
modules, and all these 3rd-party modules must be installed to make otava work.
Currently, a list of dependencies includes 74 Python modules:
```
asn1crypto==1.5.1
attrs==25.3.0
autoflake==1.7.8
backports.zoneinfo==0.2.1
cachetools==5.5.2
certifi==2025.1.31
cfgv==3.4.0
charset-normalizer==3.4.1
dateparser==1.2.0
decorator==5.2.1
distlib==0.3.9
expandvars==0.6.5
filelock==3.16.1
flake8==4.0.1
google-api-core==2.24.2
google-auth==2.38.0
google-cloud-bigquery==3.30.0
google-cloud-core==2.4.3
google-crc32c==1.5.0
google-resumable-media==2.7.2
googleapis-common-protos==1.69.1
grpcio==1.70.0
grpcio-status==1.70.0
identify==2.6.1
idna==3.10
importlib_metadata==8.5.0
iniconfig==2.0.0
isort==5.13.2
mccabe==0.6.1
more-itertools==8.14.0
nodeenv==1.9.1
numpy==1.24.0
-e
git+https://github.com/apache/otava/@2f3369f447133594cf827978ca0e558df064b7bf#egg=otava
packaging==24.2
pg8000==1.31.2
platformdirs==4.3.6
pluggy==1.5.0
pre-commit==3.5.0
proto-plus==1.26.1
protobuf==5.29.3
py==1.11.0
py-cpuinfo==9.0.0
pyasn1==0.6.1
pyasn1_modules==0.4.1
pycodestyle==2.8.0
pyflakes==2.4.0
pystache==0.6.7
pytest==6.2.5
pytest-benchmark==4.0.0
python-dateutil==2.9.0.post0
pytz==2021.1
PyYAML==6.0.2
regex==2024.11.6
requests==2.32.3
rsa==4.9
ruamel.yaml==0.17.21
ruamel.yaml.clib==0.2.8
ruff==0.6.9
scipy==1.9.3
scramp==1.4.5
signal-processing-algorithms==1.3.5
six==1.17.0
slack_sdk==3.34.0
structlog==19.2.0
tabulate==0.8.10
toml==0.10.2
tomli==2.2.1
tox==3.28.0
typing-extensions==3.10.0.2
tzlocal==5.2
urllib3==2.2.3
validators==0.18.2
virtualenv==20.29.3
zipp==3.20.2
```
So if someone uses a single importer, he must install all other 3rd-party
modules for the rest of importers. Otherwise, Otava will not work. I propose to
make Python modules, required by data importers, optional. This will allow
reducing a list of dependencies.
[^1]: https://github.com/apache/otava/blob/master/docs/README.md#data-sources
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