Add filter hour pattern to segment gatherer

[tecnavia-dev]

Some new features added: Gatherer

• Add the possibility to filter raw image by hour to be able to process data in different interval range respect the raw data. To configure the new feature add the following lines:

  hour_pattern: "StartHH:mm EndHH:mm DeltaHH:mm"

  hour_pattern: "00:00 23:59 00:30" #filter every 30 min hour_pattern: "06:00 18:00 01:00" #filter of 06:00 06:30 ... until 18:00

[mraspaud]

Thanks for the pull request. Can you fix the linter issues and provide an example config for the new feature ?

[codecov[bot]]

Codecov Report

Merging #41 into master will decrease coverage by 0.07%. The diff coverage is 0%.

@@            Coverage Diff            @@
##           master     #41      +/-   ##
=========================================
- Coverage    4.29%   4.22%   -0.08%     
=========================================
  Files          18      18              
  Lines        2838    2885      +47     
=========================================
  Hits          122     122              
- Misses       2716    2763      +47

Impacted Files	Coverage Δ
pytroll_collectors/tests/test_segments.py	0% <0%> (ø)	:arrow_up:
pytroll_collectors/segments.py	0% <0%> (ø)	:arrow_up:

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[mraspaud]

@tecnavia-dev any updates on this PR ?