Several technical articles write about vendor using it as a verb:

https://www.python.org/dev/peps/pep-0518/#configparser quoth:

While one could standardize on what Python 3 accepts and simply vendor the backport of the configparser module

while https://github.com/sdispater/poetry#installation states

Poetry provides a custom installer that will install poetry isolated from the rest of your system by vendorizing its dependencies

Both merriam-webster and cambridge only list the noun vendor, and not the verb.

What do they mean?

  • 1
    The verb is "to sell." A vendor sells thing. Was the sentence containing vendorizing produced by a jargon generator? As far as I can tell: the sentences are nonsense. Jun 20, 2019 at 10:47
  • The dictionaries are right. So is Weather Vane. You can't 'seller' a backport or 'sellerize' dependencies. Jun 20, 2019 at 11:17
  • @WeatherVane: both are taken from existing software projects
    – serv-inc
    Jun 20, 2019 at 11:38
  • 1
    Spare us from software engineers. They are making machines which will take important decisions about matters of which they are quite ignorant. I know that because I was one. I would supply something for a business, which they were all well trained for, but I wasn't. Jun 20, 2019 at 11:50

1 Answer 1


In the context of software development, "vendoring" and derivatives is a made-up verb used in some languages and platforms to refer to techniques and tools to package software dependencies; specifically to import (or make easily importable) trusted snapshots of objects into a project without needing to depend on third-party resources to retrieve them again.

For example, you can think of "vendor" as representing a named local location (eg. a directory called "vendor") for storing assets from third-parties ("vendors" in the normal sense, though they may be internal or external to the organisation), and vendoring as the act of placing items into this vendor repository.



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