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[tor-commits] [arm/master] Finish revising arm's starter
commit 6b54195b4c294fe7ba881151f4a35ed39a35060d
Author: Damian Johnson <atagar@xxxxxxxxxxxxxx>
Date: Sun Sep 15 15:26:00 2013 -0700
Finish revising arm's starter
Polishing off our refactoring of arm's starter. It's still not perfect, but
further improvements will require us to substantially revise other modules. Oh,
and both pyflakes and pep8 are happy now. :)
---
arm/settings.cfg | 10 +++
arm/starter.py | 207 ++++++++++++++++++++++++++++--------------------------
2 files changed, 118 insertions(+), 99 deletions(-)
diff --git a/arm/settings.cfg b/arm/settings.cfg
index a14d345..e9564b4 100644
--- a/arm/settings.cfg
+++ b/arm/settings.cfg
@@ -18,6 +18,16 @@ msg.help
|arm -b -i 1643 hide connection data, attaching to control port 1643
|arm -e we -c /tmp/cfg use this configuration file with 'WARN'/'ERR' events
+msg.debug_header
+|Arm {arm_version} Debug Dump
+|Stem Version: {stem_version}
+|Python Version: {python_version}
+|Platform: {system} ({platform})
+|--------------------------------------------------------------------------------
+|Arm Configuration ({armrc_path}):
+|{armrc_content}
+|--------------------------------------------------------------------------------
+
msg.wrong_port_type
|Please check in your torrc that {port} is the ControlPort. Maybe you
|configured it to be the ORPort or SocksPort instead?
diff --git a/arm/starter.py b/arm/starter.py
index e469443..697e082 100644
--- a/arm/starter.py
+++ b/arm/starter.py
@@ -14,21 +14,21 @@ import platform
import sys
import time
+import arm
import arm.controller
import arm.logPanel
import arm.util.torConfig
import arm.util.torTools
import arm.util.uiTools
+import stem
import stem.connection
+import stem.control
import stem.util.conf
import stem.util.connection
import stem.util.log
import stem.util.system
-from arm import __version__, __release_date__
-from stem.control import Controller
-
LOG_DUMP_PATH = os.path.expanduser("~/.arm/log")
CONFIG = stem.util.conf.config_dict("arm", {
@@ -36,6 +36,7 @@ CONFIG = stem.util.conf.config_dict("arm", {
'startup.blindModeEnabled': False,
'startup.events': 'N3',
'msg.help': '',
+ 'msg.debug_header': '',
'msg.wrong_port_type': '',
'msg.wrong_socket_type': '',
'msg.uncrcognized_auth_type': '',
@@ -47,11 +48,6 @@ CONFIG = stem.util.conf.config_dict("arm", {
'msg.unable_to_read_config': '',
})
-# Makes subcommands provide us with English results (this is important so we
-# can properly parse it).
-
-os.putenv("LANG", "C")
-
# Our default arguments. The _get_args() function provides a named tuple of
# this merged with our argv.
@@ -165,7 +161,7 @@ def _get_controller(args):
if os.path.exists(args.control_socket):
try:
- return Controller.from_socket_file(args.control_socket)
+ return stem.control.Controller.from_socket_file(args.control_socket)
except stem.SocketError as exc:
if args.user_provided_socket:
raise ValueError("Unable to connect to '%s': %s" % (args.control_socket, exc))
@@ -173,7 +169,7 @@ def _get_controller(args):
raise ValueError("The socket file you specified (%s) doesn't exist" % args.control_socket)
try:
- return Controller.from_port(args.control_address, args.control_port)
+ return stem.control.Controller.from_port(args.control_address, args.control_port)
except stem.SocketError as exc:
if args.user_provided_port:
raise ValueError("Unable to connect to %s:%i: %s" % (args.control_address, args.control_port, exc))
@@ -221,24 +217,53 @@ def _authenticate(controller, password):
raise ValueError("Unable to authenticate: %s" % exc)
-def main():
- startTime = time.time()
+def _setup_debug_logging():
+ """
+ Configures us to log at stem's trace level to LOG_DUMP_PATH.
+
+ :raises: **IOError** if we can't log to this location
+ """
+
+ debug_dir = os.path.dirname(LOG_DUMP_PATH)
+
+ if not os.path.exists(debug_dir):
+ os.makedirs(debug_dir)
+
+ debug_handler = logging.FileHandler(LOG_DUMP_PATH, mode = 'w')
+ debug_handler.setLevel(stem.util.log.logging_level(stem.util.log.TRACE))
+ debug_handler.setFormatter(logging.Formatter(
+ fmt = '%(asctime)s [%(levelname)s] %(message)s',
+ datefmt = '%m/%d/%Y %H:%M:%S'
+ ))
+
+ stem.util.log.get_logger().addHandler(debug_handler)
+
+
+def _armrc_dump(armrc_path):
+ """
+ Provides a dump of our armrc or a description of why it can't be read.
+
+ :param str armrc_path: path of the armrc
+
+ :returns: **str** with either a dump or description of our armrc
+ """
+
+ if not os.path.exists(armrc_path):
+ return "[file doesn't exist]"
try:
- _load_settings()
- except ValueError as exc:
- print exc
- sys.exit(1)
+ with open(armrc_path) as armrc_file:
+ return armrc_file.read()
+ except IOError as exc:
+ return "[unable to read file: %s]" % exc.strerror
- # attempts to fetch attributes for parsing tor's logs, configuration, etc
-
+
+def main():
+ start_time = time.time()
config = stem.util.conf.get_config("arm")
-
- pathPrefix = os.path.dirname(sys.argv[0])
- if pathPrefix and not pathPrefix.endswith("/"):
- pathPrefix = pathPrefix + "/"
try:
+ _load_settings()
args = _get_args(sys.argv[1:])
except getopt.GetoptError as exc:
print "%s (for usage provide --help)" % exc
@@ -247,10 +272,6 @@ def main():
print exc
sys.exit(1)
- if args.print_version:
- print "arm version %s (released %s)\n" % (__version__, __release_date__)
- sys.exit()
-
if args.print_help:
print CONFIG['msg.help'].format(
address = ARGS['control_address'],
@@ -259,65 +280,61 @@ def main():
config = ARGS['config'],
debug_path = LOG_DUMP_PATH,
events = ARGS['logged_events'],
- event_flags = arm.logPanel.EVENT_LISTING
+ event_flags = arm.logPanel.EVENT_LISTING,
)
sys.exit()
- config.set("startup.blindModeEnabled", str(args.blind))
- config.set("startup.events", args.logged_events)
-
+ if args.print_version:
+ print "arm version %s (released %s)\n" % (arm.__version__, arm.__release_date__)
+ sys.exit()
+
if args.debug:
try:
- stem_logger = stem.util.log.get_logger()
-
- debug_dir = os.path.dirname(LOG_DUMP_PATH)
-
- if not os.path.exists(debug_dir):
- os.makedirs(debug_dir)
-
- debugHandler = logging.FileHandler(LOG_DUMP_PATH)
- debugHandler.setLevel(stem.util.log.logging_level(stem.util.log.TRACE))
- debugHandler.setFormatter(logging.Formatter(
- fmt = '%(asctime)s [%(levelname)s] %(message)s',
- datefmt = '%m/%d/%Y %H:%M:%S'
- ))
-
- stem_logger.addHandler(debugHandler)
-
- currentTime = time.localtime()
- timeLabel = time.strftime("%H:%M:%S %m/%d/%Y (%Z)", currentTime)
- initMsg = "Arm %s Debug Dump, %s" % (__version__, timeLabel)
- pythonVersionLabel = "Python Version: %s" % (".".join([str(arg) for arg in sys.version_info[:3]]))
- osLabel = "Platform: %s (%s)" % (platform.system(), " ".join(platform.dist()))
-
- stem.util.log.trace("%s\n%s\n%s\n%s\n" % (initMsg, pythonVersionLabel, osLabel, "-" * 80))
- except OSError, exc:
- print "Unable to write to debug log file: %s" % exc
- except IOError, exc:
- print "Unable to write to debug log file: %s" % exc.strerror
-
+ _setup_debug_logging()
+ except IOError as exc:
+ print "Unable to write to our debug log file (%s): %s" % (LOG_DUMP_PATH, exc.strerror)
+ sys.exit(1)
+
+ stem.util.log.trace(CONFIG['msg.debug_header'].format(
+ arm_version = arm.__version__,
+ stem_version = stem.__version__,
+ python_version = '.'.join(map(str, sys.version_info[:3])),
+ system = platform.system(),
+ platform = " ".join(platform.dist()),
+ armrc_path = args.config,
+ armrc_content = _armrc_dump(args.config),
+ ))
+
+ print "Saving a debug log to %s, please check it for sensitive information before sharing" % LOG_DUMP_PATH
+
# loads user's personal armrc if available
+
if os.path.exists(args.config):
try:
config.load(args.config)
- except IOError, exc:
+ except IOError as exc:
stem.util.log.warn(CONFIG['msg.unable_to_read_config'].format(error = exc.strerror))
else:
- # no armrc found, falling back to the defaults in the source
stem.util.log.notice(CONFIG['msg.config_not_found'].format(path = args.config))
-
+
+ config.set("startup.blindModeEnabled", str(args.blind))
+ config.set("startup.events", args.logged_events)
+
# validates and expands log event flags
+
try:
arm.logPanel.expandEvents(args.logged_events)
- except ValueError, exc:
+ except ValueError as exc:
for flag in str(exc):
print "Unrecognized event flag: %s" % flag
- sys.exit()
+
+ sys.exit(1)
try:
controller = _get_controller(args)
_authenticate(controller, CONFIG['tor.password'])
+ arm.util.torTools.getConn().init(controller)
except ValueError as exc:
print exc
exit(1)
@@ -327,50 +344,42 @@ def main():
config.set('tor.password', '')
- # initializing the connection may require user input (for the password)
- # skewing the startup time results so this isn't counted
- initTime = time.time() - startTime
- controllerWrapper = arm.util.torTools.getConn()
-
- torUser = None
- if controller:
- controllerWrapper.init(controller)
-
- # give a notice if tor is running with root
- torUser = controllerWrapper.getMyUser()
- if torUser == "root":
- stem.util.log.notice(CONFIG['msg.tor_is_running_as_root'])
-
- # Give a notice if arm is running with root. Querying connections usually
- # requires us to have the same permissions as tor so if tor is running as
- # root then drop this notice (they're already then being warned about tor
- # being root, anyway).
-
- if torUser != "root" and os.getuid() == 0:
- torUserLabel = torUser if torUser else "<tor user>"
- stem.util.log.notice(msg.arm_is_running_as_root.format(tor_user = torUserLabel))
-
+ # Give a notice if tor or arm are running with root. Querying connections
+ # usually requires us to have the same permissions as tor so if tor is
+ # running as root then drop this notice (they're already then being warned
+ # about tor being root anyway).
+
+ tor_user = controller.get_user(None)
+
+ if tor_user == "root":
+ stem.util.log.notice(CONFIG['msg.tor_is_running_as_root'])
+ elif os.getuid() == 0:
+ stem.util.log.notice(CONFIG['msg.arm_is_running_as_root'].format(
+ tor_user = tor_user if tor_user else "<tor user>"
+ ))
+
# fetches descriptions for tor's configuration options
- arm.util.torConfig.loadConfigurationDescriptions(pathPrefix)
-
- # dump tor and arm configuration when in debug mode
- if args.debug:
- stem.util.log.notice("Saving a debug log to '%s' (please check it for sensitive information before sharing)" % LOG_DUMP_PATH)
-
+
+ arm.util.torConfig.loadConfigurationDescriptions(os.path.dirname(__file__))
+
# Attempts to rename our process from "python setup.py <input args>" to
# "arm <input args>"
-
- try:
- stem.util.system.set_process_name("arm\0%s" % "\0".join(sys.argv[1:]))
- except: pass
-
+
+ stem.util.system.set_process_name("arm\0%s" % "\0".join(sys.argv[1:]))
+
+ # Makes subcommands provide us with English results (this is important so we
+ # can properly parse it).
+
+ os.putenv("LANG", "C")
+
# If using our LANG variable for rendering multi-byte characters lets us
# get unicode support then then use it. This needs to be done before
# initializing curses.
+
if arm.util.uiTools.isUnicodeAvailable():
locale.setlocale(locale.LC_ALL, "")
-
- arm.controller.startTorMonitor(time.time() - initTime)
+
+ arm.controller.startTorMonitor(start_time)
if __name__ == '__main__':
main()
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