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Restore cbook.report_memory, which was deleted in d063dee. #6944

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Merged
merged 1 commit into from
Aug 20, 2016
Merged

Restore cbook.report_memory, which was deleted in d063dee. #6944

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Restore cbook.report_memory, which was deleted in d063dee. 
There was no deprecation process, and having something like this
available as an import is very valuable to users suspecting a
memory leak, or simply needing to track memory usage.
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@efiring
efiring committed Aug 12, 2016
commit 3dbd343303fd17324833db88c177aca94f4c0d44
46 changes: 46 additions & 0 deletions lib/matplotlib/cbook.py
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Original file line number Diff line number Diff line change
Expand Up @@ -1423,6 +1423,52 @@ def restrict_dict(d, keys):
return dict([(k, v) for (k, v) in six.iteritems(d) if k in keys])


def report_memory(i=0): # argument may go away
'return the memory consumed by process'
from matplotlib.compat.subprocess import Popen, PIPE
pid = os.getpid()
if sys.platform == 'sunos5':
try:
a2 = Popen('ps -p %d -o osz' % pid, shell=True,
stdout=PIPE).stdout.readlines()
except OSError:
raise NotImplementedError(
"report_memory works on Sun OS only if "
"the 'ps' program is found")
mem = int(a2[-1].strip())
elif sys.platform.startswith('linux'):
try:
a2 = Popen('ps -p %d -o rss,sz' % pid, shell=True,
stdout=PIPE).stdout.readlines()
except OSError:
raise NotImplementedError(
"report_memory works on Linux only if "
"the 'ps' program is found")
mem = int(a2[1].split()[1])
elif sys.platform.startswith('darwin'):
try:
a2 = Popen('ps -p %d -o rss,vsz' % pid, shell=True,
stdout=PIPE).stdout.readlines()
except OSError:
raise NotImplementedError(
"report_memory works on Mac OS only if "
"the 'ps' program is found")
mem = int(a2[1].split()[0])
elif sys.platform.startswith('win'):
try:
a2 = Popen(["tasklist", "/nh", "/fi", "pid eq %d" % pid],
stdout=PIPE).stdout.read()
except OSError:
raise NotImplementedError(
"report_memory works on Windows only if "
"the 'tasklist' program is found")
mem = int(a2.strip().split()[-2].replace(',', ''))
else:
raise NotImplementedError(
"We don't have a memory monitor for %s" % sys.platform)
return mem


_safezip_msg = 'In safezip, len(args[0])=%d but len(args[%d])=%d'


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