784: unexpected token at '' (JSON::ParserError) packaging python package as deb

[robinbowes]

In #1962, I found that I get an error when attempting to package a python package as a deb:

$ SETUPTOOLS_SCM_PRETEND_VERSION=0.1.0 fpm  -s python -t deb .
Traceback (most recent call last):
	12: from /Users/robin/.rbenv/versions/2.7.2/bin/fpm:23:in `<main>'
	11: from /Users/robin/.rbenv/versions/2.7.2/bin/fpm:23:in `load'
	10: from /Users/robin/.rbenv/versions/2.7.2/lib/ruby/gems/2.7.0/gems/fpm-1.15.0/bin/fpm:7:in `<top (required)>'
	 9: from /Users/robin/.rbenv/versions/2.7.2/lib/ruby/gems/2.7.0/gems/clamp-1.0.1/lib/clamp/command.rb:133:in `run'
	 8: from /Users/robin/.rbenv/versions/2.7.2/lib/ruby/gems/2.7.0/gems/fpm-1.15.0/lib/fpm/command.rb:591:in `run'
	 7: from /Users/robin/.rbenv/versions/2.7.2/lib/ruby/gems/2.7.0/gems/clamp-1.0.1/lib/clamp/command.rb:68:in `run'
	 6: from /Users/robin/.rbenv/versions/2.7.2/lib/ruby/gems/2.7.0/gems/fpm-1.15.0/lib/fpm/command.rb:367:in `execute'
	 5: from /Users/robin/.rbenv/versions/2.7.2/lib/ruby/gems/2.7.0/gems/fpm-1.15.0/lib/fpm/command.rb:367:in `each'
	 4: from /Users/robin/.rbenv/versions/2.7.2/lib/ruby/gems/2.7.0/gems/fpm-1.15.0/lib/fpm/command.rb:368:in `block in execute'
	 3: from /Users/robin/.rbenv/versions/2.7.2/lib/ruby/gems/2.7.0/gems/fpm-1.15.0/lib/fpm/package/python.rb:111:in `input'
	 2: from /Users/robin/.rbenv/versions/2.7.2/lib/ruby/gems/2.7.0/gems/fpm-1.15.0/lib/fpm/package/python.rb:255:in `load_package_info'
	 1: from /Users/robin/.rbenv/versions/2.7.2/lib/ruby/gems/2.7.0/gems/json-2.3.1/lib/json/common.rb:263:in `parse'
/Users/robin/.rbenv/versions/2.7.2/lib/ruby/gems/2.7.0/gems/json-2.3.1/lib/json/common.rb:263:in `parse': 784: unexpected token at '' (JSON::ParserError)

I'm struggling to figure out how to debug this.

I notice that this is trying to parse the output of setup.py get_metadata. When I try to run that command in the directory, it fails:

$ SETUPTOOLS_SCM_PRETEND_VERSION=0.1.0 python3 ./setup.py get_metadata


An error occurred while building the project, please ensure you have the most updated version of setuptools, setuptools_scm and wheel with:
   pip install -U setuptools setuptools_scm wheel


usage: setup.py [global_opts] cmd1 [cmd1_opts] [cmd2 [cmd2_opts] ...]
   or: setup.py --help [cmd1 cmd2 ...]
   or: setup.py --help-commands
   or: setup.py cmd --help

error: invalid command 'get_metadata'

If I try the same command with the package with which fpm -s python -t deb . works, I get the same thing.

Any idea where I should look next?

[jordansissel]

I ran into this today also — https://github.com/jordansissel/fpm/issues/1889#issuecomment-1328359959

I have a patch that fixes it in that thread. My intent is to include it in a release soon once I get more time to test.

On Sun, Nov 27, 2022, at 5:10 PM, Robin Bowes wrote:

In #1962 https://github.com/jordansissel/fpm/issues/1962, I found that I get an error when attempting to package a python package as a deb:

$ SETUPTOOLS_SCM_PRETEND_VERSION=0.1.0 fpm -s python -t deb . Traceback (most recent call last): 12: from /Users/robin/.rbenv/versions/2.7.2/bin/fpm:23:in

' 11: from /Users/robin/.rbenv/versions/2.7.2/bin/fpm:23:in load' 10: from /Users/robin/.rbenv/versions/2.7.2/lib/ruby/gems/2.7.0/gems/fpm-1.15.0/bin/fpm:7:in <top (required)>' 9: from /Users/robin/.rbenv/versions/2.7.2/lib/ruby/gems/2.7.0/gems/clamp-1.0.1/lib/clamp/command.rb:133:in run' 8: from /Users/robin/.rbenv/versions/2.7.2/lib/ruby/gems/2.7.0/gems/fpm-1.15.0/lib/fpm/command.rb:591:in run' 7: from /Users/robin/.rbenv/versions/2.7.2/lib/ruby/gems/2.7.0/gems/clamp-1.0.1/lib/clamp/command.rb:68:in run' 6: from /Users/robin/.rbenv/versions/2.7.2/lib/ruby/gems/2.7.0/gems/fpm-1.15.0/lib/fpm/command.rb:367:in execute' 5: from /Users/robin/.rbenv/versions/2.7.2/lib/ruby/gems/2.7.0/gems/fpm-1.15.0/lib/fpm/command.rb:367:in each' 4: from /Users/robin/.rbenv/versions/2.7.2/lib/ruby/gems/2.7.0/gems/fpm-1.15.0/lib/fpm/command.rb:368:in block in execute' 3: from /Users/robin/.rbenv/versions/2.7.2/lib/ruby/gems/2.7.0/gems/fpm-1.15.0/lib/fpm/package/python.rb:111:in input' 2: from /Users/robin/.rbenv/versions/2.7.2/lib/ruby/gems/2.7.0/gems/fpm-1.15.0/lib/fpm/package/python.rb:255:in load_package_info' 1: from /Users/robin/.rbenv/versions/2.7.2/lib/ruby/gems/2.7.0/gems/json-2.3.1/lib/json/common.rb:263:in parse' /Users/robin/.rbenv/versions/2.7.2/lib/ruby/gems/2.7.0/gems/json-2.3.1/lib/json/common.rb:263:in parse': 784: unexpected token at '' (JSON::ParserError) ` I'm struggling to figure out how to debug this.

I notice that this is trying to parse the output of setup.py get_metadata. When I try to run that command in the directory, it fails:

`$ SETUPTOOLS_SCM_PRETEND_VERSION=0.1.0 python3 ./setup.py get_metadata

An error occurred while building the project, please ensure you have the most updated version of setuptools, setuptools_scm and wheel with: pip install -U setuptools setuptools_scm wheel

usage: setup.py [global_opts] cmd1 [cmd1_opts] [cmd2 [cmd2_opts] ...] or: setup.py --help [cmd1 cmd2 ...] or: setup.py --help-commands or: setup.py cmd --help

error: invalid command 'get_metadata' If I try the same command with the package with whichfpm -s python -t deb .` works, I get the same thing.

Any idea where I should look next?

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[jordansissel]

I merged #1966 today which should fix this in the next release.

[thinkwelltwd]

I merged #1966 today which should fix this in the next release.

Just dropping my to say that I applied that patch manually and it fixed the problem for me.