simplejson buglet?

This is a curious one. The following statements run error-free in a (non-Indigo) terminal session:

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print(simplejson.dumps(entry_tp, sort_keys=True, indent=2 * ' '))
print(simplejson.dumps(entry_tp, sort_keys=True, indent='  '))
print(simplejson.dumps(entry_tp, sort_keys=True, indent=2'))

All but the last one results in an error in an Indigo scripting window (for example):

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   Script Error                    embedded script: can't multiply sequence by non-int of type 'str'
   Script Error                    Exception Traceback (most recent call shown last):

     embedded script, line 95, at top level
     File "/Library/Application Support/Perceptive Automation/Indigo 7.4/IndigoPluginHost.app/Contents/Resources/PlugIns/simplejson/__init__.py", line 237, in dumps
       **kw).encode(obj)
     File "/Library/Application Support/Perceptive Automation/Indigo 7.4/IndigoPluginHost.app/Contents/Resources/PlugIns/simplejson/encoder.py", line 202, in encode
       chunks = list(chunks)
     File "/Library/Application Support/Perceptive Automation/Indigo 7.4/IndigoPluginHost.app/Contents/Resources/PlugIns/simplejson/encoder.py", line 426, in _iterencode
       for chunk in _iterencode_dict(o, _current_indent_level):
     File "/Library/Application Support/Perceptive Automation/Indigo 7.4/IndigoPluginHost.app/Contents/Resources/PlugIns/simplejson/encoder.py", line 344, in _iterencode_dict
       newline_indent = '\n' + (' ' * (_indent * _current_indent_level))
TypeError: can't multiply sequence by non-int of type 'str'


This syntax runs error-free in Indigo:

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indigo.server.log(simplejson.dumps(entry_tp, sort_keys=True, indent=2))

Have you tried using json instead of simplejson?

Not in an attempt to control for the errors. AFAIK, Indigo ships with support for simplejson and I can't for the life of me remember why. A quick Google speaks of them being largely the same, with simplejson having support for more Python versions.

[jay (support)]

The built-in json library was added in Python 2.6, but we shipped while Python 2.5 was the latest install with macOS, so we shipped simplejson. Point of fact: the built-in json module is built from simplejson, so the majority of the library calls are identical. Here's what we recommended devs do when 2.6 started shipping on macOS:

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try:
    import json
except:
    import simplejson as json

That way you get the best version available.

As for your specific case, I suspect that the simplejson library we ship is somewhat different (older) than the version of simplejson that Python from the command-line is finding, but Indigo's ordering of path searches finds the one we build-in before the one that Python directly finds.

I personally don't recall ever seeing the technique you post in the first line before (multiplying a string) - again, you learn something new every day...

Thanks Jay -- Jon just suggested that I compare the versions and there is a difference.

Indigo: 2.0.9
Terminal: 3.6.5

Your suggestion for the import structure is a good one and that's what we'll do.

I personally don't recall ever seeing the technique you post in the first line before (multiplying a string) - again, you learn something new every day...

Me neither, was wondering what kind of voodoo Dave was up to...

This is something I do often.

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print(80 * "=")

>>> ================================================================================


Interesting that I knew something that y'all didn't know...

[jay (support)]

Just for grins I tried it in Python 3 and it still works. Amazing!

I use this script as a quickie tool for documenting code:

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#! /usr/bin/env python
# -*- coding: utf-8 -*-

foo = 'Hello world.'

print(u'# {0:=^77}'.format(''))
print(u'# {0:=^77}'.format(u" {0} ".format(foo)))
print(u'<!{0:-^76}>'.format(u" {0} ".format(foo)))

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# =============================================================================
# =============================== Hello world. ================================
<!------------------------------- Hello world. ------------------------------->


and then just copy/paste the relevant bit.