Stefan Hajnoczi writes:
> 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 <stefa...@linux.vnet.ibm.com>
Reviewed-by: Lluís Vilanova <vilan...@ac.upc.edu>
> ---
> scripts/tracetool/backend/__init__.py | 8 ++++++--
> scripts/tracetool/format/__init__.py | 8 ++++++--
> 2 files changed, 12 insertions(+), 4 deletions(-)
> diff --git a/scripts/tracetool/backend/__init__.py
> b/scripts/tracetool/backend/__init__.py
> index 34b7ed8..be43472 100644
> --- a/scripts/tracetool/backend/__init__.py
> +++ b/scripts/tracetool/backend/__init__.py
> @@ -37,7 +37,7 @@ __maintainer__ = "Stefan Hajnoczi"
> __email__ = "stefa...@linux.vnet.ibm.com"
> -import pkgutil
> +import os
> import tracetool
> @@ -45,7 +45,11 @@ import tracetool
> def get_list():
> """Get a list of (name, description) pairs."""
> 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)
> # just in case; should never fail unless non-module files are put
> there
> diff --git a/scripts/tracetool/format/__init__.py
> b/scripts/tracetool/format/__init__.py
> index 0e4baf0..3c2a0d8 100644
> --- a/scripts/tracetool/format/__init__.py
> +++ b/scripts/tracetool/format/__init__.py
> @@ -41,7 +41,7 @@ __maintainer__ = "Stefan Hajnoczi"
> __email__ = "stefa...@linux.vnet.ibm.com"
> -import pkgutil
> +import os
> import tracetool
> @@ -49,7 +49,11 @@ import tracetool
> def get_list():
> """Get a list of (name, description) pairs."""
> 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)
> # just in case; should never fail unless non-module files are put
> there
> --
> 1.7.10
--
"And it's much the same thing with knowledge, for whenever you learn
something new, the whole world becomes that much richer."
-- The Princess of Pure Reason, as told by Norton Juster in The Phantom
Tollbooth
