From af2ba98068fda34e2eb9ee55bb16723cadc217a0 Mon Sep 17 00:00:00 2001 From: Jody Klymak Date: Sun, 13 Oct 2019 21:26:55 -0700 Subject: [PATCH] FIX: allow zero and one as dates via wrapping --- lib/matplotlib/dates.py | 15 +++------------ 1 file changed, 3 insertions(+), 12 deletions(-) diff --git a/lib/matplotlib/dates.py b/lib/matplotlib/dates.py index 350b6815b411..2b3a9a8e08da 100644 --- a/lib/matplotlib/dates.py +++ b/lib/matplotlib/dates.py @@ -281,6 +281,9 @@ def _from_ordinalf(x, tz=None): ix, remainder = divmod(x, 1) ix = int(ix) + # force to valid date via wrapping.... + dt10k = 3652059 + ix = (ix - 1) % dt10k + 1 if ix < 1: raise ValueError('Cannot convert {} to a date. This often happens if ' 'non-datetime values are passed to an axis that ' @@ -1077,12 +1080,6 @@ def datalim_to_dt(self): dmin, dmax = self.axis.get_data_interval() if dmin > dmax: dmin, dmax = dmax, dmin - if dmin < 1: - raise ValueError('datalim minimum {} is less than 1 and ' - 'is an invalid Matplotlib date value. This often ' - 'happens if you pass a non-datetime ' - 'value to an axis that has datetime units' - .format(dmin)) return num2date(dmin, self.tz), num2date(dmax, self.tz) def viewlim_to_dt(self): @@ -1092,12 +1089,6 @@ def viewlim_to_dt(self): vmin, vmax = self.axis.get_view_interval() if vmin > vmax: vmin, vmax = vmax, vmin - if vmin < 1: - raise ValueError('view limit minimum {} is less than 1 and ' - 'is an invalid Matplotlib date value. This ' - 'often happens if you pass a non-datetime ' - 'value to an axis that has datetime units' - .format(vmin)) return num2date(vmin, self.tz), num2date(vmax, self.tz) def _get_unit(self): pFad - Phonifier reborn

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