python setup.py build develop --no-deps

[PanffeeReal]

Here I encountered a problem as:

$ python setup.py build develop --no-deps
running build
running build_py
running egg_info
writing fcos.egg-info/PKG-INFO
writing dependency_links to fcos.egg-info/dependency_links.txt
writing requirements to fcos.egg-info/requires.txt
writing top-level names to fcos.egg-info/top_level.txt
reading manifest template 'MANIFEST.in'
adding license file 'LICENSE'
writing manifest file 'fcos.egg-info/SOURCES.txt'
error: can't copy 'fcos/configs': doesn't exist or not a regular file

because focs/configs is a folder instead of a file ,so how to deal with it ? thanks l a lot !

[PanffeeReal]

The same problem appears when I use Testing-only installation:

$ pip install git+https://github.com/tianzhi0549/FCOS.git
.......
error: can't copy 'fcos/configs': doesn't exist or not a regular file

ERROR: Failed building wheel for fcos

Help me please,Thank you very much !

[fsted]

I meet the same error,who can help me...(ㄒoㄒ)

[vorj]

@PanffeeReal @fsted
TL;DR: Uninstall setuptools-scm .

I found the workaround.
You two must had installed cocoapi , and matplotlib which is one of dependencies for cocoapi .
At 2021/11/16 (16days ago), matplotlib v3.5.0 has been released, and matplotlib depends on setuptools-scm since this version.
I'm not sure of the details, but it seems that this package breaks the behavior of setuptools package.
So, the workarounds are below:

1. Uninstall setuptools-scm after installing cocoapi , or
2. Fix setup.py of cocoapi to install matplotlib <= 3.4 , or
3. Install matplotlib <= 3.4 at first.

If you just want to install and use FCOS, 1st one is the easiest I think.

I have reproduced this problem and have confirmed to fix by either of 1st and 3rd workarounds (I've not checked 2nd one, but it should also work).
I hope that this post will help you.

---

ADD : The developer of setuptools_scm told me that:

• The behavior of setuptools_scm is expected
• Current workaround is 1st one in the list above, uninstalling setuptools_scm before affected packages

So, in this context you don't need to hesitate to uninstall it.