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authorkali <kali@leap.se>2012-08-01 09:58:08 +0900
committerkali <kali@leap.se>2012-08-01 09:58:08 +0900
commit6e197c1353c788109df07ee6d1242a5c2327e8f9 (patch)
tree1f87c24b4254f3108177888c9b44d1d5f2c75502 /src/leap
parent7cea25f531f46a1425ea54a79d96a3b662a8a7fd (diff)
fileutil.which implementation
Diffstat (limited to 'src/leap')
-rw-r--r--src/leap/app.py2
-rw-r--r--src/leap/eip/conductor.py2
-rw-r--r--src/leap/util/__init__.py (renamed from src/leap/utils/__init__.py)0
-rw-r--r--src/leap/util/coroutines.py (renamed from src/leap/utils/coroutines.py)0
-rw-r--r--src/leap/util/fileutil.py73
-rw-r--r--src/leap/util/leap_argparse.py (renamed from src/leap/utils/leap_argparse.py)0
6 files changed, 75 insertions, 2 deletions
diff --git a/src/leap/app.py b/src/leap/app.py
index 0a61fd4f..186eb048 100644
--- a/src/leap/app.py
+++ b/src/leap/app.py
@@ -15,7 +15,7 @@ def main():
long live to the (hidden) leap window!
"""
import sys
- from leap.utils import leap_argparse
+ from leap.util import leap_argparse
parser, opts = leap_argparse.init_leapc_args()
debug = getattr(opts, 'debug', False)
diff --git a/src/leap/eip/conductor.py b/src/leap/eip/conductor.py
index e3adadc4..3ce062aa 100644
--- a/src/leap/eip/conductor.py
+++ b/src/leap/eip/conductor.py
@@ -6,7 +6,7 @@ from __future__ import (division, unicode_literals, print_function)
from functools import partial
import logging
-from leap.utils.coroutines import spawn_and_watch_process
+from leap.util.coroutines import spawn_and_watch_process
from leap.baseapp.config import get_config, get_vpn_stdout_mockup
from leap.eip.vpnwatcher import EIPConnectionStatus, status_watcher
from leap.eip.vpnmanager import OpenVPNManager, ConnectionRefusedError
diff --git a/src/leap/utils/__init__.py b/src/leap/util/__init__.py
index e69de29b..e69de29b 100644
--- a/src/leap/utils/__init__.py
+++ b/src/leap/util/__init__.py
diff --git a/src/leap/utils/coroutines.py b/src/leap/util/coroutines.py
index 5e25eb63..5e25eb63 100644
--- a/src/leap/utils/coroutines.py
+++ b/src/leap/util/coroutines.py
diff --git a/src/leap/util/fileutil.py b/src/leap/util/fileutil.py
new file mode 100644
index 00000000..86a44a89
--- /dev/null
+++ b/src/leap/util/fileutil.py
@@ -0,0 +1,73 @@
+from itertools import chain
+import os
+import platform
+import stat
+
+
+def is_user_executable(fpath):
+ st = os.stat(fpath)
+ return bool(st.st_mode & stat.S_IXUSR)
+
+
+def extend_path():
+ ourplatform = platform.system()
+ if ourplatform == "Linux":
+ return "/usr/local/sbin:/usr/sbin"
+ # XXX add mac / win extended search paths?
+
+
+def which(program):
+ """
+ an implementation of which
+ that extends the path with
+ other locations, like sbin
+ (f.i., openvpn binary is likely to be there)
+ @param program: a string representing the binary we're looking for.
+ """
+ def is_exe(fpath):
+ """
+ check that path exists,
+ it's a file,
+ and is executable by the owner
+ """
+ # we would check for access,
+ # but it's likely that we're
+ # using uid 0 + polkitd
+
+ return os.path.isfile(fpath)\
+ and is_user_executable(fpath)
+
+ def ext_candidates(fpath):
+ yield fpath
+ for ext in os.environ.get("PATHEXT", "").split(os.pathsep):
+ yield fpath + ext
+
+ def iter_path(pathset):
+ """
+ returns iterator with
+ full path for a given path list
+ and the current target bin.
+ """
+ for path in pathset.split(os.pathsep):
+ exe_file = os.path.join(path, program)
+ #print 'file=%s' % exe_file
+ for candidate in ext_candidates(exe_file):
+ if is_exe(candidate):
+ yield candidate
+
+ fpath, fname = os.path.split(program)
+ if fpath:
+ if is_exe(program):
+ return program
+ else:
+ # extended iterator
+ # with extra path
+ extended_path = chain(
+ iter_path(os.environ["PATH"]),
+ iter_path(extend_path()))
+ for candidate in extended_path:
+ if candidate is not None:
+ return candidate
+
+ # sorry bro.
+ return None
diff --git a/src/leap/utils/leap_argparse.py b/src/leap/util/leap_argparse.py
index 9c355134..9c355134 100644
--- a/src/leap/utils/leap_argparse.py
+++ b/src/leap/util/leap_argparse.py