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Expand allowed ISO8601 parsing formats.

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This commit is contained in:
Jonathan Bernard 2019-04-27 23:12:35 -05:00
parent dfee8aae33
commit a537b980e6
2 changed files with 12 additions and 4 deletions
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14
timeutils.nim
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@ -1,7 +1,11 @@
import times
const zeroTime = fromUnix(0)
const ISO_8601_FULL_FORMAT = "yyyy-MM-dd'T'HH:mm:sszzz"
const ISO_8601_FORMATS = @[
"yyyy-MM-dd'T'HH:mm:ssz",
"yyyy-MM-dd'T'HH:mm:sszzz",
"yyyy-MM-dd'T'HH:mm:ss'.'fffzzz"
]
proc format*(ti: TimeInterval, fmt: string): string =
let info = (fromUnix(0) + ti).utc
@ -48,10 +52,14 @@ proc startOfWeek*(ti: DateTime, startDay = dMon): DateTime =
return (ti - diff.days).startOfDay
proc parseIso8601*(val: string): DateTime =
return val.parse(ISO_8601_FULL_FORMAT)
var errString = ""
for df in ISO_8601_FORMATS:
try: return val.parse(df)
except: errString &= "\n" & getCurrentExceptionMsg()
raise newException(Exception, "Could not parse date. Tried:" & errString)
proc formatIso8601*(d: DateTime): string =
return d.format(ISO_8601_FULL_FORMAT)
return d.format(ISO_8601_FORMATS[2])
# This is a workaround needed due a bug in Nim's times.parse procedure.
# see: https://github.com/nim-lang/Nim/issues/4922

2
timeutils.nimble
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@ -1,6 +1,6 @@
# Package
version = "0.4.0"
version = "0.5.0"
author = "Jonathan Bernard"
description = "Utility methods to fill in the lacking time support in Nim\'s stdlib. This is holding me over until I can write a proper time module for the stdlib and submit it."
license = "BSD3"