def get_font(section='main', option='font', font_size_delta=0):
"""Get console font properties depending on OS and user options"""
font = FONT_CACHE.get((section, option))
if font is None:
families = CONF.get(section, option + "/family", None)
if families is None:
return QFont()
family = get_family(families)
weight = QFont.Normal
italic = CONF.get(section, option + '/italic', False)
if CONF.get(section, option + '/bold', False):
weight = QFont.Bold
size = CONF.get(section, option + '/size', 9) + font_size_delta
font = QFont(family, size, weight)
font.setItalic(italic)
FONT_CACHE[(section, option)] = font
size = CONF.get(section, option + '/size', 9) + font_size_delta
font.setPointSize(size)
return font
def _get_run_configurations():
history_count = CONF.get('run', 'history', 20)
try:
return [(filename, options)
for filename, options in CONF.get('run', 'configurations', [])
if osp.isfile(filename)][:history_count]
except ValueError:
CONF.set('run', 'configurations', [])
return []
def update_margins(self):
layout = self.layout()
if self.default_margins is None:
self.default_margins = layout.getContentsMargins()
if CONF.get('main', 'use_custom_margin'):
margin = CONF.get('main', 'custom_margin')
layout.setContentsMargins(*[margin] * 4)
else:
layout.setContentsMargins(*self.default_margins)
def set_color_scheme(name, color_scheme, replace=True):
"""Set syntax color scheme"""
section = "color_schemes"
names = CONF.get("color_schemes", "names", [])
for key in sh.COLOR_SCHEME_KEYS:
option = "%s/%s" % (name, key)
value = CONF.get(section, option, default=None)
if value is None or replace or name not in names:
CONF.set(section, option, color_scheme[key])
names.append(to_text_string(name))
CONF.set(section, "names", sorted(list(set(names))))
def external_editor(self, filename, goto=-1):
"""Edit in an external editor
Recommended: SciTE (e.g. to go to line where an error did occur)"""
editor_path = CONF.get('internal_console', 'external_editor/path')
goto_option = CONF.get('internal_console', 'external_editor/gotoline')
try:
args = [filename]
if goto > 0 and goto_option:
args.append('%s%d'.format(goto_option, goto))
programs.run_program(editor_path, args)
except OSError:
self.write_error("External editor was not found:"
" %s\n" % editor_path)
def __init__(self,
parent,
history_filename,
profile=False,
initial_message=None):
"""
parent : specifies the parent widget
"""
ConsoleBaseWidget.__init__(self, parent)
SaveHistoryMixin.__init__(self)
# Prompt position: tuple (line, index)
self.current_prompt_pos = None
self.new_input_line = True
# History
self.histidx = None
self.hist_wholeline = False
assert is_text_string(history_filename)
self.history_filename = history_filename
self.history = self.load_history()
# Session
self.historylog_filename = CONF.get('main', 'historylog_filename',
get_conf_path('history.log'))
# Context menu
self.menu = None
self.setup_context_menu()
# Simple profiling test
self.profile = profile
# Buffer to increase performance of write/flush operations
self.__buffer = []
if initial_message:
self.__buffer.append(initial_message)
self.__timestamp = 0.0
self.__flushtimer = QTimer(self)
self.__flushtimer.setSingleShot(True)
self.__flushtimer.timeout.connect(self.flush)
# Give focus to widget
self.setFocus()
# Cursor width
self.setCursorWidth(CONF.get('main', 'cursor/width'))
def __init__(self, main=None, **kwds):
"""Bind widget to a QMainWindow instance"""
super(TRexPluginMixin, self).__init__(**kwds)
assert self.CONF_SECTION is not None
self.PLUGIN_PATH = os.path.dirname(inspect.getfile(self.__class__))
self.main = main
self.default_margins = None
self.plugin_actions = None
self.dockwidget = None
self.mainwindow = None
self.ismaximized = False
self.isvisible = False
# NOTE: Don't use the default option of CONF.get to assign a
# None shortcut to plugins that don't have one. That will mess
# the creation of our Keyboard Shortcuts prefs page
try:
self.shortcut = CONF.get('shortcuts', '_/switch to %s' % \
self.CONF_SECTION)
except configparser.NoOptionError:
self.shortcut = None
# We decided to create our own toggle action instead of using
# the one that comes with dockwidget because it's not possible
# to raise and focus the plugin with it.
self.toggle_view_action = None
def send_args_to_trex(args):
"""
Simple socket client used to send the args passed to the TRex
executable to an already running instance.
Args can be Python scripts or files with these extensions: .spydata, .mat,
.npy, or .h5, which can be imported by the Variable Explorer.
"""
port = CONF.get('main', 'open_files_port')
# Wait ~50 secs for the server to be up
# Taken from http://stackoverflow.com/a/4766598/438386
for _x in range(200):
try:
for arg in args:
client = socket.socket(socket.AF_INET, socket.SOCK_STREAM,
socket.IPPROTO_TCP)
client.connect(("127.0.0.1", port))
if is_unicode(arg):
arg = arg.encode('utf-8')
client.send(osp.abspath(arg))
client.close()
except socket.error:
time.sleep(0.25)
continue
break
def update_font(self):
"""Update font from Preferences"""
font = self.get_plugin_font()
for shellwidget in self.shellwidgets:
shellwidget.shell.set_font(font)
completion_size = CONF.get('main', 'completion/size')
comp_widget = shellwidget.shell.completion_widget
comp_widget.setup_appearance(completion_size, font)
def __init__(self, fname=None):
self.args = None
self.args_enabled = None
self.wdir = None
self.wdir_enabled = None
self.current = None
self.systerm = None
self.interact = None
self.show_kill_warning =None
self.post_mortem = None
self.python_args = None
self.python_args_enabled = None
self.clear_namespace = None
self.set(CONF.get('run', 'defaultconfiguration', default={}))
if fname is not None and\
CONF.get('run', WDIR_USE_SCRIPT_DIR_OPTION, True):
self.wdir = osp.dirname(fname)
self.wdir_enabled = True
def set_trex_breakpoints(self):
self.clear_all_breaks()
#------Really deleting all breakpoints:
for bp in bdb.Breakpoint.bpbynumber:
if bp:
bp.deleteMe()
bdb.Breakpoint.next = 1
bdb.Breakpoint.bplist = {}
bdb.Breakpoint.bpbynumber = [None]
#------
from trex.config.main import CONF
CONF.load_from_ini()
if CONF.get('run', 'breakpoints/enabled', True):
breakpoints = CONF.get('run', 'breakpoints', {})
i = 0
for fname, data in list(breakpoints.items()):
for linenumber, condition in data:
i += 1
self.set_break(self.canonic(fname), linenumber,
cond=condition)
def __init__(self,
parent=None,
namespace=None,
commands=[],
message=None,
max_line_count=300,
font=None,
exitfunc=None,
profile=False,
multithreaded=True,
light_background=True):
PythonShellWidget.__init__(self, parent,
get_conf_path('history_internal.py'),
profile)
self.set_light_background(light_background)
self.multithreaded = multithreaded
self.setMaximumBlockCount(max_line_count)
if font is not None:
self.set_font(font)
# Allow raw_input support:
self.input_loop = None
self.input_mode = False
# KeyboardInterrupt support
self.interrupted = False # used only for not-multithreaded mode
self.sig_keyboard_interrupt.connect(self.keyboard_interrupt)
# Code completion / calltips
getcfg = lambda option: CONF.get('internal_console', option)
case_sensitive = getcfg('codecompletion/case_sensitive')
self.set_codecompletion_case(case_sensitive)
# keyboard events management
self.eventqueue = []
# Init interpreter
self.exitfunc = exitfunc
self.commands = commands
self.message = message
self.interpreter = None
self.start_interpreter(namespace)
# Clear status bar
self.status.emit('')
# Embedded shell -- requires the monitor (which installs the
# 'open_in_trex' function in builtins)
if hasattr(builtins, 'open_in_trex'):
self.go_to_error.connect(self.open_with_external_trex)
def icon(name, resample=False, icon_path=None):
theme = CONF.get('main', 'icon_theme')
if theme == 'trex 3':
if not _resource['loaded']:
qta.load_font('trex',
'trex.ttf',
'trex-charmap.json',
directory=_resource['directory'])
_resource['loaded'] = True
args, kwargs = _qtaargs[name]
return qta.icon(*args, **kwargs)
elif theme == 'trex 2':
icon = get_icon(name + '.png', resample=resample)
if icon_path:
icon_path = osp.join(icon_path, name + '.png')
if osp.isfile(icon_path):
icon = QIcon(icon_path)
return icon if icon is not None else QIcon()
def load_history(self):
"""Load history from a .py file in user home directory"""
if osp.isfile(self.history_filename):
rawhistory, _ = encoding.readlines(self.history_filename)
rawhistory = [line.replace('\n', '') for line in rawhistory]
if rawhistory[1] != self.INITHISTORY[1]:
rawhistory[1] = self.INITHISTORY[1]
else:
rawhistory = self.INITHISTORY
history = [line for line in rawhistory \
if line and not line.startswith('#')]
# Truncating history to X entries:
while len(history) >= CONF.get('historylog', 'max_entries'):
del history[0]
while rawhistory[0].startswith('#'):
del rawhistory[0]
del rawhistory[0]
# Saving truncated history:
encoding.writelines(rawhistory, self.history_filename)
return history
def apply_plugin_settings(self, options):
"""Apply configuration file's plugin settings"""
showtime_n = 'show_elapsed_time'
showtime_o = self.get_option(showtime_n)
icontext_n = 'show_icontext'
icontext_o = self.get_option(icontext_n)
calltips_n = 'calltips'
calltips_o = self.get_option(calltips_n)
help_n = 'connect_to_oi'
help_o = CONF.get('help', 'connect/python_console')
wrap_n = 'wrap'
wrap_o = self.get_option(wrap_n)
compauto_n = 'codecompletion/auto'
compauto_o = self.get_option(compauto_n)
case_comp_n = 'codecompletion/case_sensitive'
case_comp_o = self.get_option(case_comp_n)
compenter_n = 'codecompletion/enter_key'
compenter_o = self.get_option(compenter_n)
mlc_n = 'max_line_count'
mlc_o = self.get_option(mlc_n)
for shellwidget in self.shellwidgets:
if showtime_n in options:
shellwidget.set_elapsed_time_visible(showtime_o)
if icontext_n in options:
shellwidget.set_icontext_visible(icontext_o)
if calltips_n in options:
shellwidget.shell.set_calltips(calltips_o)
if help_n in options:
if isinstance(shellwidget, ExternalPythonShell):
shellwidget.shell.set_help_enabled(help_o)
if wrap_n in options:
shellwidget.shell.toggle_wrap_mode(wrap_o)
if compauto_n in options:
shellwidget.shell.set_codecompletion_auto(compauto_o)
if case_comp_n in options:
shellwidget.shell.set_codecompletion_case(case_comp_o)
if compenter_n in options:
shellwidget.shell.set_codecompletion_enter(compenter_o)
if mlc_n in options:
shellwidget.shell.setMaximumBlockCount(mlc_o)
def set(self, options):
self.args = options.get('args', '')
self.args_enabled = options.get('args/enabled', False)
if CONF.get('run', WDIR_USE_FIXED_DIR_OPTION, False):
default_wdir = CONF.get('run', WDIR_FIXED_DIR_OPTION, getcwd())
self.wdir = options.get('workdir', default_wdir)
self.wdir_enabled = True
else:
self.wdir = options.get('workdir', getcwd())
self.wdir_enabled = options.get('workdir/enabled', False)
self.current = options.get('current',
CONF.get('run', CURRENT_INTERPRETER_OPTION, True))
self.systerm = options.get('systerm',
CONF.get('run', SYSTERM_INTERPRETER_OPTION, False))
self.interact = options.get('interact',
CONF.get('run', 'interact', False))
self.show_kill_warning = options.get('show_kill_warning',
CONF.get('run', 'show_kill_warning', False))
self.post_mortem = options.get('post_mortem',
CONF.get('run', 'post_mortem', False))
self.python_args = options.get('python_args', '')
self.python_args_enabled = options.get('python_args/enabled', False)
self.clear_namespace = options.get('clear_namespace',
CONF.get('run', 'clear_namespace', False))
def start(self,
fname,
wdir=None,
args='',
interact=False,
debug=False,
python=True,
python_args='',
post_mortem=True):
"""
Start new console
fname:
string: filename of script to run
None: open an interpreter
wdir: working directory
args: command line options of the Python script
interact: inspect script interactively after its execution
debug: run pdb
python: True: Python interpreter, False: terminal
python_args: additionnal Python interpreter command line options
(option "-u" is mandatory, see widgets.externalshell package)
"""
# Note: fname is None <=> Python interpreter
if fname is not None and not is_text_string(fname):
fname = to_text_string(fname)
if wdir is not None and not is_text_string(wdir):
wdir = to_text_string(wdir)
if fname is not None and fname in self.filenames:
index = self.filenames.index(fname)
if self.get_option('single_tab'):
old_shell = self.shellwidgets[index]
if old_shell.is_running():
runconfig = get_run_configuration(fname)
if runconfig is None or runconfig.show_kill_warning:
if PYQT5:
answer = QMessageBox.question(
self, self.get_plugin_title(),
_("%s is already running in a separate process.\n"
"Do you want to kill the process before starting "
"a new one?") % osp.basename(fname),
QMessageBox.Yes | QMessageBox.Cancel)
else:
mb = QMessageBox(self)
answer = mb.question(
mb, self.get_plugin_title(),
_("%s is already running in a separate process.\n"
"Do you want to kill the process before starting "
"a new one?") % osp.basename(fname),
QMessageBox.Yes | QMessageBox.Cancel)
else:
answer = QMessageBox.Yes
if answer == QMessageBox.Yes:
old_shell.process.kill()
old_shell.process.waitForFinished()
else:
return
self.close_console(index)
else:
index = self.tabwidget.count()
# Creating a new external shell
pythonpath = self.main.get_trex_pythonpath()
light_background = self.get_option('light_background')
show_elapsed_time = self.get_option('show_elapsed_time')
if python:
if CONF.get('main_interpreter', 'default'):
pythonexecutable = get_python_executable()
external_interpreter = False
else:
pythonexecutable = CONF.get('main_interpreter', 'executable')
external_interpreter = True
if self.get_option('pythonstartup/default'):
pythonstartup = None
else:
pythonstartup = self.get_option('pythonstartup', None)
monitor_enabled = self.get_option('monitor/enabled')
mpl_backend = self.get_option('matplotlib/backend/value')
ets_backend = self.get_option('ets_backend')
qt_api = self.get_option('qt/api')
if qt_api not in ('pyqt', 'pyside', 'pyqt5'):
qt_api = None
merge_output_channels = self.get_option('merge_output_channels')
colorize_sys_stderr = self.get_option('colorize_sys_stderr')
umr_enabled = CONF.get('main_interpreter', 'umr/enabled')
umr_namelist = CONF.get('main_interpreter', 'umr/namelist')
umr_verbose = CONF.get('main_interpreter', 'umr/verbose')
ar_timeout = CONF.get('variable_explorer', 'autorefresh/timeout')
ar_state = CONF.get('variable_explorer', 'autorefresh')
sa_settings = None
shellwidget = ExternalPythonShell(
self,
fname,
wdir,
interact,
debug,
post_mortem=post_mortem,
path=pythonpath,
python_args=python_args,
arguments=args,
stand_alone=sa_settings,
pythonstartup=pythonstartup,
pythonexecutable=pythonexecutable,
external_interpreter=external_interpreter,
umr_enabled=umr_enabled,
umr_namelist=umr_namelist,
umr_verbose=umr_verbose,
ets_backend=ets_backend,
monitor_enabled=monitor_enabled,
mpl_backend=mpl_backend,
qt_api=qt_api,
merge_output_channels=merge_output_channels,
colorize_sys_stderr=colorize_sys_stderr,
autorefresh_timeout=ar_timeout,
autorefresh_state=ar_state,
light_background=light_background,
menu_actions=self.menu_actions,
show_buttons_inside=False,
show_elapsed_time=show_elapsed_time)
shellwidget.sig_pdb.connect(
lambda fname, lineno, shellwidget=shellwidget: self.
pdb_has_stopped(fname, lineno, shellwidget))
self.register_widget_shortcuts(shellwidget.shell)
else:
if os.name == 'posix':
cmd = 'gnome-terminal'
args = []
if programs.is_program_installed(cmd):
if wdir:
args.extend(['--working-directory=%s' % wdir])
programs.run_program(cmd, args)
return
cmd = 'konsole'
if programs.is_program_installed(cmd):
if wdir:
args.extend(['--workdir', wdir])
programs.run_program(cmd, args)
return
shellwidget = ExternalSystemShell(
self,
wdir,
path=pythonpath,
light_background=light_background,
menu_actions=self.menu_actions,
show_buttons_inside=False,
show_elapsed_time=show_elapsed_time)
# Code completion / calltips
shellwidget.shell.setMaximumBlockCount(
self.get_option('max_line_count'))
shellwidget.shell.set_font(self.get_plugin_font())
shellwidget.shell.toggle_wrap_mode(self.get_option('wrap'))
shellwidget.shell.set_calltips(self.get_option('calltips'))
shellwidget.shell.set_codecompletion_auto(
self.get_option('codecompletion/auto'))
shellwidget.shell.set_codecompletion_case(
self.get_option('codecompletion/case_sensitive'))
shellwidget.shell.set_codecompletion_enter(
self.get_option('codecompletion/enter_key'))
if python and self.help is not None:
shellwidget.shell.set_help(self.help)
shellwidget.shell.set_help_enabled(
CONF.get('help', 'connect/python_console'))
if self.historylog is not None:
self.historylog.add_history(shellwidget.shell.history_filename)
shellwidget.shell.append_to_history.connect(
self.historylog.append_to_history)
shellwidget.shell.go_to_error.connect(self.go_to_error)
shellwidget.shell.focus_changed.connect(
lambda: self.focus_changed.emit())
if python:
if self.main.editor is not None:
shellwidget.open_file.connect(self.open_file_in_trex)
if fname is None:
self.python_count += 1
tab_name = "Python %d" % self.python_count
tab_icon1 = ima.icon('python')
tab_icon2 = ima.icon('python_t')
self.filenames.insert(index, fname)
else:
self.filenames.insert(index, fname)
tab_name = self.get_tab_text(fname)
self.update_tabs_text()
tab_icon1 = ima.icon('run')
tab_icon2 = ima.icon('terminated')
else:
fname = id(shellwidget)
if os.name == 'nt':
tab_name = _("Command Window")
else:
tab_name = _("Terminal")
self.terminal_count += 1
tab_name += (" %d" % self.terminal_count)
tab_icon1 = ima.icon('cmdprompt')
tab_icon2 = ima.icon('cmdprompt_t')
self.filenames.insert(index, fname)
self.shellwidgets.insert(index, shellwidget)
self.icons.insert(index, (tab_icon1, tab_icon2))
if index is None:
index = self.tabwidget.addTab(shellwidget, tab_name)
else:
self.tabwidget.insertTab(index, shellwidget, tab_name)
shellwidget.started.connect(
lambda sid=id(shellwidget): self.process_started(sid))
shellwidget.sig_finished.connect(
lambda sid=id(shellwidget): self.process_finished(sid))
self.find_widget.set_editor(shellwidget.shell)
self.tabwidget.setTabToolTip(index, fname if wdir is None else wdir)
self.tabwidget.setCurrentIndex(index)
if self.dockwidget and not self.ismaximized:
self.dockwidget.setVisible(True)
self.dockwidget.raise_()
shellwidget.set_icontext_visible(self.get_option('show_icontext'))
# Start process and give focus to console
shellwidget.start_shell()
def get_shortcut(context, name):
"""Get keyboard shortcut (key sequence string)"""
return CONF.get('shortcuts', '%s/%s' % (context, name))
def _set_run_configurations(configurations):
history_count = CONF.get('run', 'history', 20)
CONF.set('run', 'configurations', configurations[:history_count])
def __init__(self, parent=None):
QWidget.__init__(self, parent)
self.current_radio = None
self.dedicated_radio = None
self.systerm_radio = None
self.runconf = RunConfiguration()
firstrun_o = CONF.get('run', ALWAYS_OPEN_FIRST_RUN_OPTION, False)
# --- General settings ----
common_group = QGroupBox(_("General settings"))
common_layout = QGridLayout()
common_group.setLayout(common_layout)
self.clear_var_cb = QCheckBox(CLEAR_ALL_VARIABLES)
common_layout.addWidget(self.clear_var_cb, 0, 0)
self.clo_cb = QCheckBox(_("Command line options:"))
common_layout.addWidget(self.clo_cb, 1, 0)
self.clo_edit = QLineEdit()
self.clo_cb.toggled.connect(self.clo_edit.setEnabled)
self.clo_edit.setEnabled(False)
common_layout.addWidget(self.clo_edit, 1, 1)
self.wd_cb = QCheckBox(_("Working directory:"))
common_layout.addWidget(self.wd_cb, 2, 0)
wd_layout = QHBoxLayout()
self.wd_edit = QLineEdit()
self.wd_cb.toggled.connect(self.wd_edit.setEnabled)
self.wd_edit.setEnabled(False)
wd_layout.addWidget(self.wd_edit)
browse_btn = QPushButton(ima.icon('DirOpenIcon'), '', self)
browse_btn.setToolTip(_("Select directory"))
browse_btn.clicked.connect(self.select_directory)
wd_layout.addWidget(browse_btn)
common_layout.addLayout(wd_layout, 2, 1)
self.post_mortem_cb = QCheckBox(_("Enter debugging mode when "
"errors appear during execution"))
common_layout.addWidget(self.post_mortem_cb)
# --- Interpreter ---
interpreter_group = QGroupBox(_("Console"))
interpreter_layout = QVBoxLayout()
interpreter_group.setLayout(interpreter_layout)
self.current_radio = QRadioButton(CURRENT_INTERPRETER)
interpreter_layout.addWidget(self.current_radio)
self.dedicated_radio = QRadioButton(DEDICATED_INTERPRETER)
interpreter_layout.addWidget(self.dedicated_radio)
self.systerm_radio = QRadioButton(SYSTERM_INTERPRETER)
interpreter_layout.addWidget(self.systerm_radio)
# --- Dedicated interpreter ---
new_group = QGroupBox(_("Dedicated Python console"))
self.current_radio.toggled.connect(new_group.setDisabled)
new_layout = QGridLayout()
new_group.setLayout(new_layout)
self.interact_cb = QCheckBox(_("Interact with the Python "
"console after execution"))
new_layout.addWidget(self.interact_cb, 1, 0, 1, -1)
self.show_kill_warning_cb = QCheckBox(_("Show warning when killing"
" running process"))
new_layout.addWidget(self.show_kill_warning_cb, 2, 0, 1, -1)
self.pclo_cb = QCheckBox(_("Command line options:"))
new_layout.addWidget(self.pclo_cb, 3, 0)
self.pclo_edit = QLineEdit()
self.pclo_cb.toggled.connect(self.pclo_edit.setEnabled)
self.pclo_edit.setEnabled(False)
self.pclo_edit.setToolTip(_("<b>-u</b> is added to the "
"other options you set here"))
new_layout.addWidget(self.pclo_edit, 3, 1)
# Checkbox to preserve the old behavior, i.e. always open the dialog
# on first run
hline = QFrame()
hline.setFrameShape(QFrame.HLine)
hline.setFrameShadow(QFrame.Sunken)
self.firstrun_cb = QCheckBox(ALWAYS_OPEN_FIRST_RUN % _("this dialog"))
self.firstrun_cb.clicked.connect(self.set_firstrun_o)
self.firstrun_cb.setChecked(firstrun_o)
layout = QVBoxLayout()
layout.addWidget(interpreter_group)
layout.addWidget(common_group)
layout.addWidget(new_group)
layout.addWidget(hline)
layout.addWidget(self.firstrun_cb)
self.setLayout(layout)
def get_color_scheme(name):
"""Get syntax color scheme"""
color_scheme = {}
for key in sh.COLOR_SCHEME_KEYS:
color_scheme[key] = CONF.get("color_schemes", "%s/%s" % (name, key))
return color_scheme
def get_color_scheme(self):
"""Get current color scheme"""
return get_color_scheme(CONF.get('color_schemes', 'selected'))
def get_option(self, option, default=NoDefault):
"""Get a plugin option from configuration file"""
return CONF.get(self.CONF_SECTION, option, default)
def main():
"""
Start TRex application.
If single instance mode is turned on (default behavior) and an instance of
TRex is already running, this will just parse and send command line
options to the application.
"""
# Parse command line options
options, args = get_options()
# Store variable to be used in self.restart (restart trex instance)
os.environ['TREX_ARGS'] = str(sys.argv[1:])
if CONF.get('main', 'single_instance') and not options.new_instance \
and not options.reset_config_files and not running_in_mac_app():
# Minimal delay (0.1-0.2 secs) to avoid that several
# instances started at the same time step in their
# own foots while trying to create the lock file
time.sleep(random.randrange(1000, 2000, 90) / 10000.)
# Lock file creation
lock_file = get_conf_path('trex.lock')
lock = lockfile.FilesystemLock(lock_file)
# Try to lock trex.lock. If it's *possible* to do it, then
# there is no previous instance running and we can start a
# new one. If *not*, then there is an instance already
# running, which is locking that file
try:
lock_created = lock.lock()
except:
# If locking fails because of errors in the lockfile
# module, try to remove a possibly stale trex.lock.
# This is reported to solve all problems with
# lockfile (See issue 2363)
try:
if os.name == 'nt':
if osp.isdir(lock_file):
import shutil
shutil.rmtree(lock_file, ignore_errors=True)
else:
if osp.islink(lock_file):
os.unlink(lock_file)
except:
pass
# Then start TRex as usual and *don't* continue
# executing this script because it doesn't make
# sense
from trex.app import mainwindow
mainwindow.main()
return
if lock_created:
# Start a new instance
from trex.app import mainwindow
mainwindow.main()
else:
# Pass args to TRex or print an informative
# message
if args:
send_args_to_trex(args)
else:
print("TRex is already running. If you want to open a new \n"
"instance, please pass to it the --new-instance option")
else:
from trex.app import mainwindow
mainwindow.main()
from trex.py3compat import u
#==============================================================================
# General configuration
#==============================================================================
# If your extensions are in another directory, add it here. If the directory
# is relative to the documentation root, use os.path.abspath to make it
# absolute, like shown here.
#sys.path.append(os.path.abspath('.'))
# Add any Sphinx extension module names here, as strings. They can be extensions
# coming with Sphinx (named 'sphinx.ext.*') or your custom ones.
# We need jsmath to get pretty plain-text latex in docstrings
math = CONF.get('help', 'math', '')
if sphinx_version < "1.1" or not math:
extensions = ['sphinx.ext.jsmath']
else:
extensions = ['sphinx.ext.mathjax']
# For scipy and matplotlib docstrings, which need this extension to
# be rendered correctly (see Issue 1138)
extensions.append('sphinx.ext.autosummary')
# Add any paths that contain templates here, relative to this directory.
templates_path = ['templates']
# MathJax load path (doesn't have effect for sphinx 1.0-)
mathjax_path = 'MathJax/MathJax.js'
def _load_all_breakpoints(self):
bp_dict = CONF.get('run', 'breakpoints', {})
for filename in list(bp_dict.keys()):
if not osp.isfile(filename):
bp_dict.pop(filename)
return bp_dict
def setup_page(self):
interface_group = QGroupBox(_("Interface"))
newcb = self.create_checkbox
singletab_box = newcb(_("One tab per script"), 'single_tab')
showtime_box = newcb(_("Show elapsed time"), 'show_elapsed_time')
icontext_box = newcb(_("Show icons and text"), 'show_icontext')
# Interface Group
interface_layout = QVBoxLayout()
interface_layout.addWidget(singletab_box)
interface_layout.addWidget(showtime_box)
interface_layout.addWidget(icontext_box)
interface_group.setLayout(interface_layout)
# Source Code Group
display_group = QGroupBox(_("Source code"))
buffer_spin = self.create_spinbox(_("Buffer: "),
_(" lines"),
'max_line_count',
min_=0,
max_=1000000,
step=100,
tip=_("Set maximum line count"))
wrap_mode_box = newcb(_("Wrap lines"), 'wrap')
merge_channels_box = newcb(
_("Merge process standard output/error channels"),
'merge_output_channels',
tip=_("Merging the output channels of the process means that\n"
"the standard error won't be written in red anymore,\n"
"but this has the effect of speeding up display."))
colorize_sys_stderr_box = newcb(
_("Colorize standard error channel using ANSI escape codes"),
'colorize_sys_stderr',
tip=_("This method is the only way to have colorized standard\n"
"error channel when the output channels have been "
"merged."))
merge_channels_box.toggled.connect(colorize_sys_stderr_box.setEnabled)
merge_channels_box.toggled.connect(colorize_sys_stderr_box.setChecked)
colorize_sys_stderr_box.setEnabled(
self.get_option('merge_output_channels'))
display_layout = QVBoxLayout()
display_layout.addWidget(buffer_spin)
display_layout.addWidget(wrap_mode_box)
display_layout.addWidget(merge_channels_box)
display_layout.addWidget(colorize_sys_stderr_box)
display_group.setLayout(display_layout)
# Background Color Group
bg_group = QGroupBox(_("Background color"))
bg_label = QLabel(
_("This option will be applied the next time "
"a Python console or a terminal is opened."))
bg_label.setWordWrap(True)
lightbg_box = newcb(_("Light background (white color)"),
'light_background')
bg_layout = QVBoxLayout()
bg_layout.addWidget(bg_label)
bg_layout.addWidget(lightbg_box)
bg_group.setLayout(bg_layout)
# Advanced settings
source_group = QGroupBox(_("Source code"))
completion_box = newcb(_("Automatic code completion"),
'codecompletion/auto')
case_comp_box = newcb(_("Case sensitive code completion"),
'codecompletion/case_sensitive')
comp_enter_box = newcb(_("Enter key selects completion"),
'codecompletion/enter_key')
calltips_box = newcb(_("Display balloon tips"), 'calltips')
source_layout = QVBoxLayout()
source_layout.addWidget(completion_box)
source_layout.addWidget(case_comp_box)
source_layout.addWidget(comp_enter_box)
source_layout.addWidget(calltips_box)
source_group.setLayout(source_layout)
# PYTHONSTARTUP replacement
pystartup_group = QGroupBox(_("PYTHONSTARTUP replacement"))
pystartup_bg = QButtonGroup(pystartup_group)
pystartup_label = QLabel(
_("This option will override the "
"PYTHONSTARTUP environment variable which\n"
"defines the script to be executed during "
"the Python console startup."))
def_startup_radio = self.create_radiobutton(
_("Default PYTHONSTARTUP script"),
'pythonstartup/default',
button_group=pystartup_bg)
cus_startup_radio = self.create_radiobutton(
_("Use the following startup script:"),
'pythonstartup/custom',
button_group=pystartup_bg)
pystartup_file = self.create_browsefile('', 'pythonstartup', '',
filters=_("Python scripts")+\
" (*.py)")
def_startup_radio.toggled.connect(pystartup_file.setDisabled)
cus_startup_radio.toggled.connect(pystartup_file.setEnabled)
pystartup_layout = QVBoxLayout()
pystartup_layout.addWidget(pystartup_label)
pystartup_layout.addWidget(def_startup_radio)
pystartup_layout.addWidget(cus_startup_radio)
pystartup_layout.addWidget(pystartup_file)
pystartup_group.setLayout(pystartup_layout)
# Monitor Group
monitor_group = QGroupBox(_("Monitor"))
monitor_label = QLabel(
_("The monitor provides introspection "
"features to console: code completion, "
"calltips and variable explorer. "
"Because it relies on several modules, "
"disabling the monitor may be useful "
"to accelerate console startup."))
monitor_label.setWordWrap(True)
monitor_box = newcb(_("Enable monitor"), 'monitor/enabled')
for obj in (completion_box, case_comp_box, comp_enter_box,
calltips_box):
monitor_box.toggled.connect(obj.setEnabled)
obj.setEnabled(self.get_option('monitor/enabled'))
monitor_layout = QVBoxLayout()
monitor_layout.addWidget(monitor_label)
monitor_layout.addWidget(monitor_box)
monitor_group.setLayout(monitor_layout)
# Qt Group
opts = [
(_("Default library"), 'default'),
('PyQt5', 'pyqt5'),
('PyQt4', 'pyqt'),
('PySide', 'pyside'),
]
qt_group = QGroupBox(_("Qt-Python Bindings"))
qt_setapi_box = self.create_combobox(
_("Library:") + " ",
opts,
'qt/api',
default='default',
tip=_("This option will act on<br> "
"libraries such as Matplotlib, guidata "
"or ETS"))
qt_layout = QVBoxLayout()
qt_layout.addWidget(qt_setapi_box)
qt_group.setLayout(qt_layout)
# Matplotlib Group
mpl_group = QGroupBox(_("Graphics"))
mpl_label = QLabel(
_("Decide which backend to use to display graphics. "
"If unsure, please select the <b>Automatic</b> "
"backend.<br><br>"
"<b>Note:</b> We support a very limited number "
"of backends in our Python consoles. If you "
"prefer to work with a different one, please use "
"an IPython console."))
mpl_label.setWordWrap(True)
backends = [(_("Automatic"), 0), (_("None"), 1)]
if not os.name == 'nt' and programs.is_module_installed('_tkinter'):
backends.append(("Tkinter", 2))
backends = tuple(backends)
mpl_backend_box = self.create_combobox(
_("Backend:") + " ",
backends,
'matplotlib/backend/value',
tip=_("This option will be applied the "
"next time a console is opened."))
mpl_installed = programs.is_module_installed('matplotlib')
mpl_layout = QVBoxLayout()
mpl_layout.addWidget(mpl_label)
mpl_layout.addWidget(mpl_backend_box)
mpl_group.setLayout(mpl_layout)
mpl_group.setEnabled(mpl_installed)
# ETS Group
ets_group = QGroupBox(_("Enthought Tool Suite"))
ets_label = QLabel(
_("Enthought Tool Suite (ETS) supports "
"PyQt4 (qt4) and wxPython (wx) graphical "
"user interfaces."))
ets_label.setWordWrap(True)
ets_edit = self.create_lineedit(_("ETS_TOOLKIT:"),
'ets_backend',
alignment=Qt.Horizontal)
ets_layout = QVBoxLayout()
ets_layout.addWidget(ets_label)
ets_layout.addWidget(ets_edit)
ets_group.setLayout(ets_layout)
if CONF.get('main_interpreter', 'default'):
interpreter = get_python_executable()
else:
interpreter = CONF.get('main_interpreter', 'executable')
ets_group.setEnabled(
programs.is_module_installed("enthought.etsconfig.api",
interpreter=interpreter))
tabs = QTabWidget()
tabs.addTab(self.create_tab(interface_group, display_group, bg_group),
_("Display"))
tabs.addTab(self.create_tab(monitor_group, source_group),
_("Introspection"))
tabs.addTab(self.create_tab(pystartup_group), _("Advanced settings"))
tabs.addTab(self.create_tab(qt_group, mpl_group, ets_group),
_("External modules"))
vlayout = QVBoxLayout()
vlayout.addWidget(tabs)
self.setLayout(vlayout)
def traceback_available(self):
"""Traceback is available in the internal console: showing the
internal console automatically to warn the user"""
if CONF.get('main', 'show_internal_console_if_traceback', False):
self.dockwidget.show()
self.dockwidget.raise_()
def kernel_config():
"""Create a config object with IPython kernel options."""
from IPython.core.application import get_ipython_dir
from traitlets.config.loader import Config, load_pyconfig_files
if not IS_EXT_INTERPRETER:
from trex.config.main import CONF
from trex.utils.programs import is_module_installed
else:
# We add "trex" to sys.path for external interpreters,
# so this works!
# See create_kernel_spec of plugins/ipythonconsole
from config.main import CONF
from utils.programs import is_module_installed
# ---- IPython config ----
try:
profile_path = osp.join(get_ipython_dir(), 'profile_default')
cfg = load_pyconfig_files(
['ipython_config.py', 'ipython_kernel_config.py'], profile_path)
except:
cfg = Config()
# ---- TRex config ----
spy_cfg = Config()
# Until we implement Issue 1052
spy_cfg.InteractiveShell.xmode = 'Plain'
# Run lines of code at startup
run_lines_o = CONF.get('ipython_console', 'startup/run_lines')
if run_lines_o:
spy_cfg.IPKernelApp.exec_lines = [
x.strip() for x in run_lines_o.split(',')
]
else:
spy_cfg.IPKernelApp.exec_lines = []
# Clean terminal arguments input
clear_argv = "import sys;sys.argv = [''];del sys"
spy_cfg.IPKernelApp.exec_lines.append(clear_argv)
# Pylab configuration
mpl_backend = None
mpl_installed = is_module_installed('matplotlib')
pylab_o = CONF.get('ipython_console', 'pylab')
if mpl_installed and pylab_o:
# Get matplotlib backend
backend_o = CONF.get('ipython_console', 'pylab/backend')
if backend_o == 1:
if is_module_installed('PyQt5'):
auto_backend = 'qt5'
elif is_module_installed('PyQt4'):
auto_backend = 'qt4'
elif is_module_installed('_tkinter'):
auto_backend = 'tk'
else:
auto_backend = 'inline'
else:
auto_backend = ''
backends = {
0: 'inline',
1: auto_backend,
2: 'qt5',
3: 'qt4',
4: 'osx',
5: 'gtk3',
6: 'gtk',
7: 'wx',
8: 'tk'
}
mpl_backend = backends[backend_o]
# Automatically load Pylab and Numpy, or only set Matplotlib
# backend
autoload_pylab_o = CONF.get('ipython_console', 'pylab/autoload')
if autoload_pylab_o:
spy_cfg.IPKernelApp.exec_lines.append(
"%pylab {0}".format(mpl_backend))
else:
spy_cfg.IPKernelApp.exec_lines.append(
"%matplotlib {0}".format(mpl_backend))
# Inline backend configuration
if mpl_backend == 'inline':
# Figure format
format_o = CONF.get('ipython_console',
'pylab/inline/figure_format', 0)
formats = {0: 'png', 1: 'svg'}
spy_cfg.InlineBackend.figure_format = formats[format_o]
# Resolution
if is_module_installed('ipykernel', '<4.5'):
dpi_option = 'savefig.dpi'
else:
dpi_option = 'figure.dpi'
spy_cfg.InlineBackend.rc = {
'figure.figsize': (6.0, 4.0),
dpi_option: 72,
'font.size': 10,
'figure.subplot.bottom': .125,
'figure.facecolor': 'white',
'figure.edgecolor': 'white'
}
resolution_o = CONF.get('ipython_console',
'pylab/inline/resolution')
spy_cfg.InlineBackend.rc[dpi_option] = resolution_o
# Figure size
width_o = float(CONF.get('ipython_console', 'pylab/inline/width'))
height_o = float(CONF.get('ipython_console',
'pylab/inline/height'))
spy_cfg.InlineBackend.rc['figure.figsize'] = (width_o, height_o)
# Run a file at startup
use_file_o = CONF.get('ipython_console', 'startup/use_run_file')
run_file_o = CONF.get('ipython_console', 'startup/run_file')
if use_file_o and run_file_o:
spy_cfg.IPKernelApp.file_to_run = run_file_o
# Autocall
autocall_o = CONF.get('ipython_console', 'autocall')
spy_cfg.ZMQInteractiveShell.autocall = autocall_o
# To handle the banner by ourselves in IPython 3+
spy_cfg.ZMQInteractiveShell.banner1 = ''
# Greedy completer
greedy_o = CONF.get('ipython_console', 'greedy_completer')
spy_cfg.IPCompleter.greedy = greedy_o
# Sympy loading
sympy_o = CONF.get('ipython_console', 'symbolic_math')
if sympy_o and is_module_installed('sympy'):
lines = sympy_config(mpl_backend)
spy_cfg.IPKernelApp.exec_lines.append(lines)
# Merge IPython and TRex configs. TRex prefs will have prevalence
# over IPython ones
cfg._merge(spy_cfg)
return cfg