util Namespace Reference

Functions
	is_sequential_days (data)
	Determine if data is sequential days.
	is_sequential_hours (data)
	Determine if data is sequential hours.
	find_q (temp, rh)
	Find specific humidity.
	find_rh (q, temp)
	Find relative humidity.
	julian (mon, day)
	Find day of year.
	sun (lat, lon, mon, day, hour, timezone)
	Find solar radiation at a give time and place.
	seasonal_curing (julian_date)
	save_csv (df, file)
	ensure_dir (dir)
	try_remove (file)
	find_files (folder, file_mask=' *')
	fix_timezone_offset (d)
	save_http (to_dir, url, save_as=None, mode='wb', ignore_existing=False)
	save_ftp (to_dir, url, user="anonymous", password="")

Variables
	_create_default_https_context
	So HTTPS transfers work properly.

Detailed Description

Helper functions

Function Documentation

ensure_dir()

util.ensure_dir

(

dir

)

Make sure directory exists

find_files()

util.find_files	(		folder,
			file_mask = '*' )

Find all files matching mask recursively in folder

find_q()

util.find_q	(		temp,
			rh )

Find specific humidity.

Parameters

temp	Temperature (Celcius)
rh	Relative humidity (percent, 0-100)

Returns

Specific humidity (g/kg)

find_rh()

util.find_rh	(		q,
			temp )

Find relative humidity.

Parameters

q	Specific humidity (g/kg)
temp	Temperature (Celcius)

Returns

Relative humidity (percent, 0-100)

fix_timezone_offset()

util.fix_timezone_offset

(

d

)

 Convert from UTC to local time, respecting DST if required 

is_sequential_days()

util.is_sequential_days

(

data

)

Determine if data is sequential days.

Parameters

data	data to check

Returns

whether each entry is 1 day from the next entry

is_sequential_hours()

util.is_sequential_hours

(

data

)

Determine if data is sequential hours.

Parameters

data	data to check

Returns

whether each entry is 1 hour from the next entry

julian()

util.julian	(		mon,
			day )

Find day of year.

Does not properly deal with leap years.

Parameters

mon	Month
day	Day of month

Returns

Day of year

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save_ftp()

util.save_ftp	(		to_dir,
			url,
			user = "anonymous",
			password = "" )

 Save file at given URL into given directory using an FTP connection 

save_http()

util.save_http	(		to_dir,
			url,
			save_as = None,
			mode = 'wb',
			ignore_existing = False )

 Save file at given URL into given directory using an HTTP connection 

sun()

util.sun	(		lat,
			lon,
			mon,
			day,
			hour,
			timezone )

Find solar radiation at a give time and place.

Parameters

lat	Latitude (degrees)
long	Longitude (degrees)
mon	Month (1-12)
day	Day of month
hour	Hour of day
timezone	Offset from GMT in hours

Returns

Solar radiation (kW/m^2), sunrise, sunset

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try_remove()

util.try_remove

(

file

)

Try to delete file but don't worry if it doesn't work