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_dragonfly_tools.py
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_dragonfly_tools.py
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"""
Command-module for managing **Dragonfly**
============================================================================
This module manages the configuration files used by other
active Dragonfly command-modules. It implements a command
for easy opening and editing of the configuration files.
It also monitors the files for modifications, and causes
the associated command-module to be reloaded if necessary.
Commands
----------------------------------------------------------------------------
The following voice commands are available:
Command: **"list configs"**
Lists the currently available configuration files.
The output is visible in the *Messages from Python Macros*
window.
Command: **"edit <config> (config | configuration)"**
Opens the given configuration file in the default ``*.txt``
editor. The *<config>* element should be one of the
configuration names given by the **"list configs"**
command.
Command: **"show dragonfly version"**
Displays the version of the currently active Dragonfly library.
Command: **"update dragonfly version"**
Updates the Dragonfly library to the newest version available online.
Command: **"reload natlink"**
Reloads Natlink.
"""
try:
import pkg_resources
pkg_resources.require("dragonfly >= 0.6.5beta1.dev-r81")
except ImportError:
pass
import os, os.path
from dragonfly import (Grammar, CompoundRule, DictList, DictListRef,
MappingRule, Mimic, Key, FocusWindow,
Window, Config, Section, Item)
#---------------------------------------------------------------------------
# Set up this module's configuration.
config = Config("config manager")
config.lang = Section("Language section")
config.lang.list_configs = Item("list configs",
doc="Command to ...")
config.lang.edit_config = Item("edit <config> (config | configuration)",
doc="Command to ...")
config.lang.show_dragonfly_version = Item("show dragonfly version",
doc="Command to ...")
config.lang.update_dragonfly = Item("update dragonfly version",
doc="Command to ...")
config.lang.reload_natlink = Item("reload natlink",
doc="Command to ...")
config.load()
#---------------------------------------------------------------------------
config_map = DictList("config_map")
#---------------------------------------------------------------------------
class ConfigManagerGrammar(Grammar):
def __init__(self):
Grammar.__init__(self, name="config manager", context=None)
def _process_begin(self, executable, title, handle):
configs = Config.get_instances()
# Check for modified config files, and if found cause reload.
new_config_map = {}
for c in configs:
new_config_map[c.name] = c
if not os.path.isfile(c.config_path):
continue
config_time = os.path.getmtime(c.config_path)
module_time = os.path.getmtime(c.module_path)
if config_time >= module_time:
print "reloading config",c.name
os.utime(c.module_path, None)
# Refresh the mapping of config names -> config files.
config_map.set(new_config_map)
grammar = ConfigManagerGrammar()
#---------------------------------------------------------------------------
class ListConfigsRule(CompoundRule):
spec = config.lang.list_configs
def _process_recognition(self, node, extras):
print "Active configuration files:"
configs = config_map.keys()
configs.sort()
for config in configs:
print " - %s" % config
grammar.add_rule(ListConfigsRule())
#---------------------------------------------------------------------------
class EditConfigRule(CompoundRule):
spec = config.lang.edit_config
extras = [DictListRef("config", config_map)]
def _process_recognition(self, node, extras):
config_instance = extras["config"]
path = config_instance.config_path
if not os.path.isfile(path):
try:
config_instance.generate_config_file(path)
except Exception, e:
self._log.warning("Failed to create new config file %r: %s"
% (path, e))
return
os.startfile(path)
grammar.add_rule(EditConfigRule())
#---------------------------------------------------------------------------
class ShowVersionRule(CompoundRule):
spec = config.lang.show_dragonfly_version
def _process_recognition(self, node, extras):
dragonfly_dist = pkg_resources.get_distribution("dragonfly")
print "Current Dragonfly version:", dragonfly_dist.version
import dragonfly.engines.engine
engine = dragonfly.engines.engine.get_engine()
print "Current language: %r" % engine.language
grammar.add_rule(ShowVersionRule())
#---------------------------------------------------------------------------
class UpdateDragonflyRule(CompoundRule):
spec = config.lang.update_dragonfly
def _process_recognition(self, node, extras):
from pkg_resources import load_entry_point
import sys
class Stream(object):
stream = sys.stdout
def write(self, data): self.stream.write(data)
def flush(self): pass
sys.argv = [""]; sys.stdout = Stream()
load_entry_point('setuptools', 'console_scripts', 'easy_install')(["--verbose", "--upgrade", "dragonfly"])
# load_entry_point('setuptools', 'console_scripts', 'easy_install')(["--dry-run", "--upgrade", "dragonfly"])
grammar.add_rule(UpdateDragonflyRule())
#---------------------------------------------------------------------------
class StaticRule(MappingRule):
mapping = {
config.lang.reload_natlink: FocusWindow("natspeak", "Messages from Python Macros")
+ Key("a-f, r"),
}
grammar.add_rule(StaticRule())
#---------------------------------------------------------------------------
# Load this module's grammar.
grammar.load()
def unload():
global grammar
if grammar: grammar.unload()
grammar = None