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re2[1] compiles (strictly) regular expressions to deterministic finite automata, which guarantees linear-time behavior; `google-re2` is a drop-in replacement for the `re` module which uses re2 under the hood. [1]: https://github.com/google/re2/
The dependency graph of the requirements is as follows:
dev +-> prod +-> common
+
|
v
mypy,docs,pip
Of the files, only dev, prod, and mypy have been used in the install scripts directly. The rest are implicit dependencies.
Steps to update a lock file, e.g. to update ipython from 5.3.0 to latest version:
- Remove entry for
ipython==5.3.0in dev.txt. - Run
./tools/update-locked-requirements, which will generate new entries, pinned to the latest version. - Increase
PROVISION_VERSIONinversion.py. - Run
./tools/provisionto install the new deps and test them. - Commit your changes.