Fixing bugs in nf-core create

[KevinMenden]

This PR tries to address the bugs in #931

closes #931
(once ready)

[codecov]

Codecov Report

Merging #936 (3261493) into dev (f67d063) will increase coverage by 0.05%.
The diff coverage is 94.11%.

@@            Coverage Diff             @@
##              dev     #936      +/-   ##
==========================================
+ Coverage   69.56%   69.61%   +0.05%     
==========================================
  Files          34       34              
  Lines        4173     4180       +7     
==========================================
+ Hits         2903     2910       +7     
  Misses       1270     1270              

Impacted Files	Coverage Δ
nf_core/create.py	93.13% <94.11%> (-0.55%)	⬇️
nf_core/lint/nextflow_config.py	69.62% <0.00%> (ø)
nf_core/__main__.py	61.58% <0.00%> (+0.31%)	⬆️

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[KevinMenden]

What I've done so far:

• added the code from @drpatelh
• set strict=False to catch more encodings/file types, here: (ftype, encoding) = mimetypes.guess_type(template_fn_path, strict=False)
• catching the UnicodeDecodeError

[KevinMenden]

@apeltzer I think that's all I can add here for now, whenever you have time to test quickly on your special system 👍
Here it works 🤷

[ewels]

Yeeaaahh... can I be a douche and have a stab at implementing this? I was coding it in my head in the car this afternoon and I think I can do it in a slightly more elegant way (even though your code should be entirely functional).