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tracetool: avoid pkgutil.iter_modules() Python 2.7 function

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The pkgutil.iter_modules() function provides a way to enumerate child
modules.  Unfortunately it's missing in Python <2.7 so we must implement
similar behavior ourselves.

Signed-off-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com>
Reviewed-by: Lluís Vilanova <vilanova@ac.upc.edu>
This commit is contained in:
Stefan Hajnoczi 2012-04-30 12:00:23 +01:00
parent b3ef0ade57
commit 9943e0ec38
2 changed files with 12 additions and 4 deletions
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8
scripts/tracetool/backend/__init__.py
View File

@ -37,7 +37,7 @@ __maintainer__ = "Stefan Hajnoczi"
__email__ = "stefanha@linux.vnet.ibm.com" __email__ = "stefanha@linux.vnet.ibm.com"
import pkgutil import os
import tracetool import tracetool
@ -45,7 +45,11 @@ import tracetool
def get_list(): def get_list():
"""Get a list of (name, description) pairs.""" """Get a list of (name, description) pairs."""
res = [("nop", "Tracing disabled.")] res = [("nop", "Tracing disabled.")]
for _, modname, _ in pkgutil.iter_modules(tracetool.backend.__path__): modnames = []
for filename in os.listdir(tracetool.backend.__path__[0]):
if filename.endswith('.py') and filename != '__init__.py':
modnames.append(filename.rsplit('.', 1)[0])
for modname in modnames:
module = tracetool.try_import("tracetool.backend." + modname) module = tracetool.try_import("tracetool.backend." + modname)
# just in case; should never fail unless non-module files are put there # just in case; should never fail unless non-module files are put there

8
scripts/tracetool/format/__init__.py
View File

@ -41,7 +41,7 @@ __maintainer__ = "Stefan Hajnoczi"
__email__ = "stefanha@linux.vnet.ibm.com" __email__ = "stefanha@linux.vnet.ibm.com"
import pkgutil import os
import tracetool import tracetool
@ -49,7 +49,11 @@ import tracetool
def get_list(): def get_list():
"""Get a list of (name, description) pairs.""" """Get a list of (name, description) pairs."""
res = [] res = []
for _, modname, _ in pkgutil.iter_modules(tracetool.format.__path__): modnames = []
for filename in os.listdir(tracetool.format.__path__[0]):
if filename.endswith('.py') and filename != '__init__.py':
modnames.append(filename.rsplit('.', 1)[0])
for modname in modnames:
module = tracetool.try_import("tracetool.format." + modname) module = tracetool.try_import("tracetool.format." + modname)
# just in case; should never fail unless non-module files are put there # just in case; should never fail unless non-module files are put there