Dependency to import name(s) mapping from local environment: a roadmap

[Nour-Mws]

Dependency to import mapping

• Python stdlib machinery to map a package name to its import name(s) using distribution information of packages installed in a given environment (covered by check: Add function for parsing import names for local packages #139).
• Where to store the dependency to import mapping? #144
• Add the possibility to point towards the path of the environment to use for inferring package distribution information. #161

Comparison module

• Agree on what to do when packages corresponding to parsed dependencies are not found in the environment (we're not contacting PyPI for the immediate next release): INTERTWINED WITH 2ND
  • use a fallback strategy (e.g. to identity mapping)?
  • declare dependencies as missing and tell the user they were not found and they have to be installed?
  • other?
• Keep the possibility to do a simple identity mapping in the comparison module?

CLI

• Related to the last point above, if identity mapping is not completely replaced, we should add the option to choose the type of mapping and default to dep->import mapping from local installation.
• Add optional arg to point towards the environment path (if not defined, what to default to?)