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MEP12 on load_converter.py #4932

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Merged
merged 3 commits into from
Aug 17, 2015
Merged

MEP12 on load_converter.py #4932

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ffeb9f2
MEP12 on load_converter.py
ericmjl Aug 15, 2015
8e10d1b
pep8 fixes
ericmjl Aug 16, 2015
5c8efc9
Removed custom bytespdate2num function.
ericmjl Aug 16, 2015
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MEP12 on load_converter.py
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@ericmjl
ericmjl committed Aug 15, 2015
commit ffeb9f229f191dfa78b628b2a0431aa90ea359b8
19 changes: 14 additions & 5 deletions 19 examples/pylab_examples/load_converter.py
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Original file line number Diff line number Diff line change
@@ -1,9 +1,18 @@
from __future__ import print_function
from matplotlib.dates import bytespdate2num
#from matplotlib.mlab import load
import numpy as np
from pylab import figure, show
import matplotlib.pyplot as plt
import matplotlib.cbook as cbook
import matplotlib.dates as mdates

# Note: matplotlib.dates doesn't have bytespdate2num.
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I'm confused about this. My version of Matplotlib definitely has bytespdate2num

And it is in the main repository here https://github.com/matplotlib/matplotlib/blob/master/lib/matplotlib/dates.py#L308

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Ok, let me try conda installing the latest MPL.

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It was added in February 0a24a56 so it wound be in any released version.

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Very weird, I cannot make the import statements work, though. I get the error:

In [9]: import matplotlib.dates as mdate

In [10]: mdate.bytespdate2num()
---------------------------------------------------------------------------
AttributeError                            Traceback (most recent call last)
<ipython-input-10-7c2709974f11> in <module>()
----> 1 mdate.bytespdate2num()

AttributeError: 'module' object has no attribute 'bytespdate2num'

Any idea what's going on? Is the import statement not done correctly?

# This function was copied off the internet.
# Source: http://pythonprogramming.net/colors-fills-matplotlib-tutorial/
def bytespdate2num(fmt, encoding='utf-8'):
strconverter = mdates.strpdate2num(fmt)
def bytesconverter(b):
s = b.decode(encoding)
return strconverter(s)
return bytesconverter

datafile = cbook.get_sample_data('msft.csv', asfileobj=False)
print('loading', datafile)
Expand All @@ -13,8 +22,8 @@
converters={0: bytespdate2num('%d-%b-%y')},
skiprows=1, usecols=(0, 2), unpack=True)

fig = figure()
fig = plt.figure()
ax = fig.add_subplot(111)
ax.plot_date(dates, closes, '-')
fig.autofmt_xdate()
show()
plt.show()
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