8000 backend_pgf: improve handling of temporary directories by pwuertz · Pull Request #1286 · matplotlib/matplotlib · GitHub
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backend_pgf: improve handling of temporary directories #1286

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Merged
merged 4 commits into from
Oct 2, 2012
Merged

backend_pgf: improve handling of temporary directories #1286

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6957dbd
backend_pgf: improve handling of temporary directories
Sep 20, 2012
510ca38
backend_pgf: implement subset of WeakSet for supporting py2.6
Sep 20, 2012
c810d47
backend_pgf: track remaining tmpdirs and try to delete them atexit
Sep 23, 2012
ff5cd1c
backend_pgf: add a remark concerning #1324 to the doc, some cleanup
Oct 2, 2012
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backend_pgf: track remaining tmpdirs and try to delete them atexit
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pwuertz committed Oct 2, 2012
commit c810d471a5bb0440131d781a72c7eb94eb4ea6b5
26 changes: 23 additions & 3 deletions lib/matplotlib/backends/backend_pgf.py
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Original file line number Diff line number Diff line change
Expand Up @@ -678,6 +678,22 @@ def new_figure_manager_given_figure(num, figure):
return manager


class TmpDirCleaner:
remaining_tmpdirs = set()

@staticmethod
def add(tmpdir):
TmpDirCleaner.remaining_tmpdirs.add(tmpdir)

@staticmethod
def cleanup_remaining_tmpdirs():
for tmpdir in TmpDirCleaner.remaining_tmpdirs:
try:
shutil.rmtree(tmpdir)
except:
sys.stderr.write("error deleting tmp directory %s\n" % tmpdir)


class FigureCanvasPgf(FigureCanvasBase):
filetypes = {"pgf": "LaTeX PGF picture",
"pdf": "LaTeX compiled PGF picture",
Expand Down Expand Up @@ -798,7 +814,7 @@ def _print_pdf_to_fh(self, fh):
try:
shutil.rmtree(tmpdir)
except:
sys.stderr.write("error deleting tmp directory %s\n" % tmpdir)
TmpDirCleaner.add(tmpdir)

def print_pdf(self, fname_or_fh, *args, **kwargs):
"""
Expand Down Expand Up @@ -831,7 +847,7 @@ def _print_png_to_fh(self, fh):
try:
shutil.rmtree(tmpdir)
except:
sys.stderr.write("error deleting tmp directory %s\n" % tmpdir)
TmpDirCleaner.add(tmpdir)

def print_png(self, fn 5E58 ame_or_fh, *args, **kwargs):
"""
Expand Down Expand Up @@ -904,4 +920,8 @@ def __init__(self, *args):

FigureManager = FigureManagerPgf

atexit.register(LatexManager._cleanup_remaining_instances)
def _cleanup_all():
LatexManager._cleanup_remaining_instances()
TmpDirCleaner.cleanup_remaining_tmpdirs()

atexit.register(_cleanup_all)
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