Module serve

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Spectractor submodule containing functions for managing various files, journals, creating logs etc.

Author: Dmitry Nasonov

Classes

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Walker
Directory walker: search files and dirs in args matching regexp.

Logger
Extract information from FITS headers of given FITS files, create log

Functions

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filler(indct, key, val)
Fill dictionary which values are lists.

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fill_dctset(indct, key, val)
Fill dictionary which values are sets.

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backuper(file_pth, verbose=False)
Backup file if it is exist: move it with '-backup' postfix.

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rexper(regexp, path, reflag=None, splitnig=False)
Get parameters from file name using regexp.

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read_journal(j_pth)

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mod_journal(journal, sn=10, rvc=True, rvcorr_dct=None, instr=None, lams=None, jd=None, verbose=False)
Exclude or correct items in journal depending on input parameters.

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clocker(val, divc=1.0)
Convert float value to tuple of (int h, int m, float s).

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Variables

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__package__ = 'spectractor'

data_dir = 'data'

out_dir = 'out'

Function Details

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rexper(regexp, path, reflag=None, splitnig=False)

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Get parameters from file name using regexp. Parameters are: int ID (for example, night number), flag. For now, regexp.findall must return 3 values! If not, return (None, None).

Parameters:

regexp - regular expression describing file name
path - path to file
reflag - tuple of two values. If not empty, flag containing in first value will be replaced to second one
splitnig - split ID to tuple of 'night' and spectrum number

Returns:

ID (night number): int or tuple of ints with splitnig, flag

mod_journal(journal, sn=10, rvc=True, rvcorr_dct=None, instr=None, lams=None, jd=None, verbose=False)

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Exclude or correct items in journal depending on input parameters.

Parameters:

journal - dictionary with spectra main parameters
sn - limiting signal-to-noise ratio value: exclude all spectra with lower S/N
rvc - Set Va shift to zero. Useful for telluric line measurements
rvcorr_dct - Dictionary of heliocentric velocity corrections, defined, for example, by telluric lines measurements
instr - Select spectra obtained with given spectrograph
lams - Exclude all spectra, which no contain given vawelength
jd - Exclude all spectra, which obtained earlier, than given JYear value

clocker(val, divc=1.0)

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Convert float value to tuple of (int h, int m, float s). Useful for coordinates and times.

Parameters:

divc - division coefficient for val