/usr/lib/python2.7/dist-packages/PyTango/ipython/ipython_10_00/ipython_10_00.py is in python-pytango 8.1.1-1build3.
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# This file is part of PyTango (http://www.tinyurl.com/PyTango)
#
# Copyright 2006-2012 CELLS / ALBA Synchrotron, Bellaterra, Spain
# Copyright 2013-2014 European Synchrotron Radiation Facility, Grenoble, France
#
# Distributed under the terms of the GNU Lesser General Public License,
# either version 3 of the License, or (at your option) any later version.
# See LICENSE.txt for more info.
# -----------------------------------------------------------------------------
"""An IPython profile designed to provide a user friendly interface to Tango"""
from __future__ import print_function
__all__ = ["load_config", "load_ipython_extension", "unload_ipython_extension"]
import sys
import os
import re
import io
import operator
import textwrap
from IPython.core.error import UsageError
from IPython.utils.ipstruct import Struct
from IPython.core.page import page
from IPython.core.interactiveshell import InteractiveShell
from IPython.config.application import Application
from IPython.terminal.ipapp import launch_new_instance
import PyTango
import PyTango.utils
_TG_EXCEPTIONS = PyTango.DevFailed, PyTango.ConnectionFailed, \
PyTango.CommunicationFailed, \
PyTango.NamedDevFailed, PyTango.NamedDevFailedList, \
PyTango.WrongNameSyntax, PyTango.NonDbDevice, PyTango.WrongData, \
PyTango.NonSupportedFeature, PyTango.AsynCall, \
PyTango.AsynReplyNotArrived, PyTango.EventSystemFailed, \
PyTango.DeviceUnlocked, PyTango.NotAllowed
_DB_SYMB = "db"
_DFT_TANGO_HOST = None
_TANGO_STORE = "__tango_store"
_TANGO_ERR = "__tango_error"
_PYTHON_ERR = "__python_error"
_tango_init = False
#-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-
# IPython utilities
#-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-
def get_pylab_mode():
return get_app().pylab
def get_color_mode():
return get_config().InteractiveShell.colors
def get_app():
#return TerminalIPythonApp.instance()
return Application.instance()
def get_shell():
"""Get the global InteractiveShell instance."""
return get_app().shell
def get_ipapi():
"""Get the global InteractiveShell instance."""
return InteractiveShell.instance()
def get_config():
return get_app().config
def get_editor():
return get_ipapi().editor
def get_user_ns():
return get_shell().user_ns
class DeviceClassCompleter(object):
"""Completer class that returns the list of devices of some class when
called. """
def __init__(self, klass, devices):
self._klass = klass
self._devices = devices
def __call__(self, ip, evt):
return self._devices
# Rewrite DeviceProxy constructor because the database context that the user is
# using may be different than the default TANGO_HOST. What we do is always append
# the name of the database in usage to the device name given by the user (in case
# he doesn't give a database name him(her)self, of course.
#__DeviceProxy_init_orig__ = PyTango.DeviceProxy.__init__
#def __DeviceProxy__init__(self, dev_name):
# db = __get_db()
# if db is None: return
# if dev_name.count(":") == 0:
# db_name = "%s:%s" % (db.get_db_host(), db.get_db_port())
# dev_name = "%s/%s" % (db_name, dev_name)
# __DeviceProxy_init_orig__(self, dev_name)
#PyTango.DeviceProxy.__init__ = __DeviceProxy__init__
#-------------------------------------------------------------------------------
# Completers
#-------------------------------------------------------------------------------
def __DeviceProxy_completer(ip, evt):
db = __get_db()
if db is None: return
ret = list(db._db_cache.devices.keys())
ret.extend(db._db_cache.aliases.keys())
return ret
def __DeviceClass_completer(ip, evt):
db = __get_db()
if db is None: return
return list(db._db_cache.klasses.keys())
def __DeviceAlias_completer(ip, evt):
db = __get_db()
if db is None: return
return list(db._db_cache.aliases.keys())
def __AttributeAlias_completer(ip, evt):
db = __get_db()
if db is None: return
return list(db._db_cache.attr_aliases.keys())
def __PureDeviceProxy_completer(ip, evt):
db = __get_db()
if db is None: return
return list(db._db_cache.devices.keys())
def __AttributeProxy_completer(ip, evt):
db = __get_db()
if db is None: return
cache = db._db_cache
symb = evt.symbol
n = symb.count("/")
ret, devs, dev_aliases = None, cache.devices, cache.aliases
# dev_list and dev_alias_list are case insensitive. They should only be used
# to search for elements. Their elements are the same as the keys of the
# dictionaries devs and dev_aliases respectively
dev_list, dev_alias_list = cache.device_list, cache.alias_list
dev_name = None
if n == 0:
# means it can be an attr alias, a device name has alias or as full device name
ret = list(cache.get("attr_aliases").keys())
ret.extend([ d+"/" for d in devs ])
ret.extend([ d+"/" for d in dev_aliases ])
# device alias found!
if symb in dev_alias_list:
dev_name = symb
elif n == 1:
# it can still be a full device name
ret = [ d+"/" for d in devs ]
# it can also be devalias/attr_name
dev, attr = symb.split("/")
if dev in dev_alias_list:
dev_name = dev
elif n == 2:
# it is for sure NOT an attribute alias or a device alias
ret = [ d+"/" for d in devs ]
# device found!
if symb in dev_list:
dev_name = symb
elif n == 3:
# it is for sure a full attribute name
dev, sep, attr = symb.rpartition("/")
if dev in dev_list:
dev_name = dev
if dev_name is None:
return ret
try:
d = __get_device_proxy(dev_name)
# first check in cache for the attribute list
if not hasattr(d, "_attr_list"):
d._attr_list = d.get_attribute_list()
if ret is None:
ret = []
ret.extend([ "%s/%s" % (dev_name, a) for a in d._attr_list ])
except:
# either DeviceProxy could not be created or device is not online
pass
return ret
def __get_device_proxy(dev_name):
db = __get_db()
if db is None: return
cache = db._db_cache
from_alias = cache.aliases.get(dev_name)
if from_alias is not None:
dev_name = from_alias
data = cache.devices.get(dev_name)
if data is not None:
d = data[3]
if d is None:
try:
d = data[3] = PyTango.DeviceProxy(dev_name)
except:
pass
return d
def __get_device_subscriptions(dev_name):
db = __get_db()
if db is None: return
cache = db._db_cache
from_alias = cache.aliases.get(dev_name)
if from_alias is not None:
dev_name = from_alias
data = cache.devices.get(dev_name)
if data is not None:
return data[4]
__monitor_completer = __AttributeProxy_completer
#-------------------------------------------------------------------------------
# Magic commands
#-------------------------------------------------------------------------------
def refreshdb(self, parameter_s=''):
init_db(parameter_s)
def switchdb(self, parameter_s=''):
"""Switches the active tango Database.
Usage: switchdb <host>[(:| )<port>]
<port> is optional. If not given it defaults to 10000.
Examples:
In [1]: switchdb homer:10005
In [2]: switchdb homer 10005
In [3]: switchdb homer"""
if parameter_s == '':
raise UsageError("%switchdb: Must specify a tango database name. "\
"See '%switchdb?'")
return init_db(parameter_s)
def lsdev(self, parameter_s=''):
"""Lists all known tango devices.
Usage: lsdev [<device name filter(regular expression)]
Examples:
In [1]: lsdev
In [2]: lsdev sys.*"""
if parameter_s:
reg_exp = re.compile(parameter_s, re.IGNORECASE)
else:
reg_exp = None
db = __get_db()
if db is None:
print("You are not connected to any Tango Database. Device list is empty")
return
data = db._db_cache.devices
s = io.BytesIO()
lengths = 40, 25, 25, 20
title = "Device", "Alias", "Server", "Class"
templ = "{0:{l[0]}} {1:{l[1]}} {2:{l[2]}} {3:{l[3]}}"
msg = templ.format(*title, l=lengths)
print(msg, file=s)
print(*map(operator.mul, lengths, len(lengths)*"-"), file=s)
for d, v in data.items():
if reg_exp and not reg_exp.match(d):
continue
print(templ.format(d, v[0], v[1], v[2], l=lengths), file=s)
s.seek(0)
page(s.read())
def lsdevclass(self, parameter_s=''):
"""Lists all known tango device classes.
Usage: lsdevclass [<class name filter(regular expression)]
Examples:
In [1]: lsdevclass
In [2]: lsdevclass Motor.*"""
if parameter_s:
reg_exp = re.compile(parameter_s, re.IGNORECASE)
else:
reg_exp = None
db = __get_db()
if db is None:
print("You are not connected to any Tango Database. Device class list is empty")
return
data = db._db_cache.klasses
s = io.BytesIO()
data = [ "%-030s" % klass for klass in data.keys() if not reg_exp or reg_exp.match(klass) ]
s = textwrap.fill(" ".join(data), 80)
page(s)
def lsserv(self, parameter_s=''):
"""Lists all known tango servers.
Usage: lsserv [<class name filter(regular expression)]
Examples:
In [1]: lsserv
In [2]: lsserv Motor/.*"""
if parameter_s:
reg_exp = re.compile(parameter_s, re.IGNORECASE)
else:
reg_exp = None
db = __get_db()
if db is None:
print("You are not connected to any Tango Database. Device class list is empty")
return
data = db._db_cache.servers
s = io.BytesIO()
data = [ "%-030s" % server for server in data.keys() if not reg_exp or reg_exp.match(server) ]
s = textwrap.fill(" ".join(data), 80)
page(s)
def tango_error(self, parameter_s=''):
"""Displays detailed information about the last tango error"""
global _TANGO_ERR
err_info = get_user_ns().get(_TANGO_ERR)
if err_info is None:
print("No tango error reported so far.")
return
print("Last tango error:")
print(err_info[1])
def python_error(self, parameter_s=''):
"""Displays detailed information about the last python error"""
global _PYTHON_ERR
err_info = get_user_ns().get(_PYTHON_ERR)
if err_info is None:
print("No error reported so far.")
return
ip = get_ipapi()
etype, evalue, etb = err_info[:3]
ip.InteractiveTB(etype=etype, evalue=evalue, etb=etb, tb_offset=None)
_EVT_LOG = None
def __get_event_log():
global _EVT_LOG
if _EVT_LOG is None:
# qthreads = get_config().q4thread
# if qthreads:
# import ipy_qt
# model = ipy_qt.EventLoggerTableModel(capacity=10000)
# _EVT_LOG = ipy_qt.EventLogger(model=model)
# _EVT_LOG.setWindowTitle("ITango - Event Logger Table")
# else:
import PyTango.ipython.eventlogger
_EVT_LOG = PyTango.ipython.eventlogger.EventLogger(capacity=10000, pager=page)
return _EVT_LOG
def mon(self, parameter_s=''):
"""Monitor a given attribute.
%mon -a <attribute name> - activates monitoring of given attribute
%mon -d <attribute name> - deactivates monitoring of given attribute
%mon -r - deactivates monitoring of all attributes
%mon -i <id> - displays detailed information for the event with given id
%mon -l <dev filter> <attr filter> - shows event table filtered with the regular expression for attribute name
%mon - shows event table (= %mon -i .* .*)"""
db = __get_db()
if db is None:
print("You are not connected to any Tango Database.")
return
# make sure parameter_s is a str and not a unicode
parameter_s = str(parameter_s)
opts, args = self.parse_options(parameter_s,'adril', mode='list')
if len(args) > 3:
raise UsageError("%mon: too many arguments")
if 'd' in opts:
try:
todel = args[0]
except IndexError:
raise UsageError("%mon -d: must provide an attribute to unmonitor")
else:
try:
dev, sep, attr = todel.rpartition("/")
subscriptions = __get_device_subscriptions(dev)
id = subscriptions[attr.lower()]
del subscriptions[attr.lower()]
d = __get_device_proxy(dev)
d.unsubscribe_event(id)
print("Stopped monitoring '%s'" % todel)
except KeyError:
raise UsageError("%%mon -d: Not monitoring '%s'" % todel)
elif 'a' in opts:
try:
toadd = args[0]
except IndexError:
raise UsageError("%mon -a: must provide an attribute to monitor")
dev, sep, attr = toadd.rpartition("/")
subscriptions = __get_device_subscriptions(dev)
id = subscriptions.get(attr.lower())
if id is not None:
raise UsageError("%%mon -a: Already monitoring '%s'" % toadd)
d = __get_device_proxy(dev)
w = __get_event_log()
model = w.model()
id = d.subscribe_event(attr, PyTango.EventType.CHANGE_EVENT, model, [])
subscriptions[attr.lower()] = id
print("'%s' is now being monitored. Type 'mon' to see all events" % toadd)
elif 'r' in opts:
for d, v in db._db_cache.devices.items():
d, subs = v[3], v[4]
for id in subs.values():
d.unsubscribe_event(id)
v[4] = {}
elif 'i' in opts:
try:
evtid = int(args[0])
except IndexError:
raise UsageError("%mon -i: must provide an event ID")
except ValueError:
raise UsageError("%mon -i: must provide a valid event ID")
try:
w = __get_event_log()
e = w.getEvents()[evtid]
if e.err:
print(str(PyTango.DevFailed(*e.errors)))
else:
print(str(e))
except IndexError:
raise UsageError("%mon -i: must provide a valid event ID")
elif 'l' in opts:
try:
dexpr = args[0]
aexpr = args[1]
except IndexError:
raise UsageError("%mon -l: must provide valid device and " \
"attribute filters")
w = __get_event_log()
w.show(dexpr, aexpr)
else:
w = __get_event_log()
w.show()
#-------------------------------------------------------------------------------
# Useful functions (not magic commands but accessible from CLI as normal python
# functions)
#-------------------------------------------------------------------------------
def get_device_map():
"""Returns a dictionary where keys are device names and value is a sequence
of 4 elements:
- alias name (empty string if no alias is defined)
- tango server name (full tango server name <name>/<instance>)
- tango class name
- DeviceProxy to the device or None if it hasn't been initialized yet
(this last element is for internal tango usage only. If you need a
DeviceProxy to this device, create your own)"""
db = __get_db()
if db is None:
print("You are not connected to any Tango Database.")
return
return db._db_cache.devices
def get_server_map():
"""Returns a dictionary where keys are server names (<name>/<instance>)
and value is a sequence of device names that belong to the server"""
db = __get_db()
if db is None:
print("You are not connected to any Tango Database.")
return
return db._db_cache.servers
def get_class_map():
"""Returns a dictionary where keys are the tango classes and value is a
sequence of device names that belong to the tango class"""
db = __get_db()
if db is None:
print("You are not connected to any Tango Database.")
return
return db._db_cache.klasses
def get_alias_map():
"""Returns a dictionary where keys are the tango device aliases and value
is a the tango device name"""
db = __get_db()
if db is None:
print("You are not connected to any Tango Database.")
return
return db._db_cache.aliases
def get_device_list():
"""Returns a case insensitive list of device names for the current
database"""
db = __get_db()
if db is None:
print("You are not connected to any Tango Database.")
return
return db._db_cache.device_list
def get_alias_list():
"""Returns a case insensitive list of device aliases for the current
database"""
db = __get_db()
if db is None:
print("You are not connected to any Tango Database.")
return
return db._db_cache.alias_list
#-------------------------------------------------------------------------------
# Private helper methods
#-------------------------------------------------------------------------------
def __exc_handler(ip, etype, value, tb, tb_offset=None):
global _TG_EXCEPTIONS
user_ns = get_user_ns()
if etype in _TG_EXCEPTIONS:
global _TANGO_ERR
user_ns[_TANGO_ERR] = etype, value, tb, tb_offset
if len(value.args):
v = value[0]
print("%s: %s" % (v.reason ,v.desc))
else:
print("Empty DevFailed")
print("(For more detailed information type: tango_error)")
else:
global _PYTHON_ERR
user_ns[_PYTHON_ERR] = etype, value, tb, tb_offset
print(etype.__name__ + ": " + str(value))
print("(For more detailed information type: python_error)")
def __get_default_tango_host():
global _DFT_TANGO_HOST
if _DFT_TANGO_HOST is None:
try:
db = PyTango.Database()
_DFT_TANGO_HOST = "%s:%s" % (db.get_db_host(), db.get_db_port())
except:
pass
return _DFT_TANGO_HOST
def __get_db(host_port=None):
"""host_port == None: Use current DB whatever it is or create
default if doesn't exist
host_port == '' : use default db. If it is not the current db, switch
current db to it and return it
host_port == ... : if ... is not the current db, switch current db to it
and return it
"""
ip = get_ipapi()
user_ns = get_user_ns()
global _DB_SYMB
db = user_ns.get(_DB_SYMB)
if host_port is None:
if db is None:
host_port = __get_default_tango_host()
elif host_port == '':
host_port = __get_default_tango_host()
else:
host_port = host_port.strip().replace(" ",":")
if host_port.count(":") == 0:
host_port += ":10000"
if host_port is not None:
host_port = str(host_port)
if db is None:
create_db = True
elif host_port is None:
create_db = False
else:
old_host_port = "%s:%s" % (db.get_db_host(), db.get_db_port())
create_db = old_host_port != host_port
if create_db:
try:
db = PyTango.Database(*host_port.split(":"))
user_ns["DB_NAME"] = host_port
except Exception as e:
if db:
print("\nCould not access Database %s:" % host_port)
print(str(e))
old_host_port = "%s:%s" % (db.get_db_host(), db.get_db_port())
print("Maintaining connection to Database", old_host_port)
user_ns["DB_NAME"] = old_host_port
else:
print("\nCould not access any Database. Make sure:")
print("\t- .tangorc, /etc/tangorc or TANGO_HOST environment is defined.")
print("\t- the Database DS is running")
user_ns["DB_NAME"] = "OFFLINE"
# register the 'db' in the user namespace
user_ns.update({ _DB_SYMB : db })
return db
def __get_obj_name(o):
try:
n = o.__name__
except:
try:
n = o.__class__.__name__
except:
n = "<unknown>"
return n
def __completer_wrapper(f):
def wrapper(ip, evt):
try:
return f(ip, evt)
except Exception as e:
print()
print("An unexpected exception ocorred during ITango command completer.")
print("Please send a bug report to the PyTango team with the following information:")
print(80*"-")
print("Completer:",__get_obj_name(f))
print(80*"-")
import traceback
traceback.print_exc()
print(80*"-")
raise e
return wrapper
def __expose_magic(ip, name, fn, completer_func=None):
ip.define_magic(name, fn)
if completer_func is None:
return
# enable macro param completion
ip.set_hook('complete_command', completer_func, re_key = ".*" + name)
def __unexpose_magic(ip, name):
delattr(ip, name)
def __build_color_scheme(ip, name):
import IPython.Prompts
import IPython.PyColorize
import IPython.excolors
from IPython.utils.coloransi import TermColors, InputTermColors
# make some schemes as instances so we can copy them for modification easily:
PromptColors = IPython.Prompts.PromptColors
ANSICodeColors = IPython.PyColorize.ANSICodeColors
ExceptionColors = IPython.excolors.ExceptionColors
TBColors = ip.IP.InteractiveTB.color_scheme_table
SyntaxColors = ip.IP.SyntaxTB.color_scheme_table
InspectColors = IPython.OInspect.InspectColors
promptTangoColors = PromptColors['Linux'].copy(name)
ANSITangoColors = ANSICodeColors['Linux'].copy(name)
exceptionTangoColors = ExceptionColors['Linux'].copy(name)
TBTangoColors = TBColors['Linux'].copy(name)
syntaxTangoColors = SyntaxColors['Linux'].copy(name)
inspectTangoColors = InspectColors['Linux'].copy(name)
# initialize prompt with default tango colors
promptTangoColors.colors.in_prompt = InputTermColors.Purple
promptTangoColors.colors.in_number = InputTermColors.LightPurple
promptTangoColors.colors.in_prompt2 = InputTermColors.Purple
promptTangoColors.colors.out_prompt = TermColors.Blue
promptTangoColors.colors.out_number = TermColors.LightBlue
ret= { "prompt" : (PromptColors, promptTangoColors),
"ANSI" : (ANSICodeColors, ANSITangoColors),
"except" : (ExceptionColors, exceptionTangoColors),
"TB" : (TBColors, TBTangoColors),
"Syntax" : (SyntaxColors, syntaxTangoColors),
"Inspect": (InspectColors, inspectTangoColors) }
if ip.IP.isthreaded:
TBThreadedColors = ip.IP.sys_excepthook.color_scheme_table
TBThreadedTangoColors = TBThreadedColors['Linux'].copy(name)
ret["TBThreaded"] = TBThreadedColors, TBThreadedTangoColors
return ret
#-------------------------------------------------------------------------------
# Initialization methods
#-------------------------------------------------------------------------------
def init_pytango(ip):
"""Initializes the IPython environment with PyTango elements"""
# export symbols to IPython namepspace
ip.ex("import PyTango")
ip.ex("from PyTango import DeviceProxy, AttributeProxy, Database, Group")
ip.ex("Device = DeviceProxy")
ip.ex("Attribute = AttributeProxy")
# add completers
dp_completer = __completer_wrapper(__DeviceProxy_completer)
attr_completer = __completer_wrapper(__AttributeProxy_completer)
ip.set_hook('complete_command', dp_completer, re_key = ".*DeviceProxy[^\w\.]+")
ip.set_hook('complete_command', dp_completer, re_key = ".*Device[^\w\.]+")
ip.set_hook('complete_command', attr_completer, re_key = ".*AttributeProxy[^\w\.]+")
ip.set_hook('complete_command', attr_completer, re_key = ".*Attribute[^\w\.]+")
ip.set_custom_exc((Exception,), __exc_handler)
def init_db(parameter_s=''):
ip = get_ipapi()
user_ns = get_user_ns()
global _DB_SYMB
old_db = user_ns.get(_DB_SYMB)
db = __get_db(parameter_s)
if old_db is not None and hasattr(old_db, "_db_cache"):
old_junk = old_db._db_cache["junk"].keys()
for e in old_junk:
del user_ns[e]
else:
old_junk = ()
if db is None: return
os.environ["TANGO_HOST"] = "%s:%s" % (db.get_db_host(), db.get_db_port())
# Initialize device and server information
query = "SELECT name, alias, server, class FROM device order by name"
r = db.command_inout("DbMySqlSelect", query)
row_nb, column_nb = r[0][-2], r[0][-1]
results, data = r[0][:-2], r[1]
assert row_nb == len(data) / column_nb
devices, aliases, servers, klasses = data[0::4], data[1::4], data[2::4], data[3::4]
#CD = PyTango.utils.CaselessDict
CD = dict
dev_dict, serv_dict, klass_dict, alias_dict = CD(), CD(), CD(), CD()
for device, alias, server, klass in zip(devices, aliases, servers, klasses):
dev_lower = device.lower()
# hide dserver devices
if dev_lower.startswith("dserver/"): continue
# hide alias that start with "_"
if alias and alias[0] == "_": alias = ''
# last None below is to be filled by DeviceProxy object on demand
# last empty dict<str, int> where keys is attribute name and value is
# the subscription id
dev_dict[device] = [alias, server, klass, None, {}]
serv_devs = serv_dict.get(server)
if serv_devs is None:
serv_dict[server] = serv_devs = []
serv_devs.append(device)
klass_devs = klass_dict.get(klass)
if klass_devs is None:
klass_dict[klass] = klass_devs = []
klass_devs.append(device)
if len(alias):
alias_dict[alias] = device
serv_devs.append(alias)
klass_devs.append(alias)
exposed_klasses = {}
excluded_klasses = "DServer",
for klass, devices in klass_dict.items():
if klass in excluded_klasses:
continue
exists = klass in user_ns
if not exists or klass in old_junk:
c = DeviceClassCompleter(klass, devices)
ip.set_hook('complete_command', c, re_key = ".*" + klass + "[^\w\.]+")
exposed_klasses[klass] = PyTango.DeviceProxy
# expose classes no user namespace
user_ns.update(exposed_klasses)
# Initialize attribute information
query = "SELECT name, alias FROM attribute_alias order by alias"
r = db.command_inout("DbMySqlSelect", query)
row_nb, column_nb = r[0][-2], r[0][-1]
results, data = r[0][:-2], r[1]
assert row_nb == len(data) / column_nb
attributes, aliases = data[0::2], data[1::2]
attr_alias_dict = {}
for attribute, alias in zip(attributes, aliases):
if len(alias):
attr_alias_dict[alias] = attribute
device_list = PyTango.utils.CaselessList(dev_dict.keys())
alias_list = PyTango.utils.CaselessList(alias_dict.keys())
attr_alias_list = PyTango.utils.CaselessList(attr_alias_dict.keys())
# Build cache
db_cache = Struct(devices=dev_dict, aliases=alias_dict,
servers=serv_dict, klasses=klass_dict, junk=exposed_klasses,
attr_aliases=attr_alias_dict, device_list=device_list,
alias_list=alias_list, attr_alias_list=attr_alias_list)
db._db_cache = db_cache
# Add this DB to the list of known DBs (for possible use in magic commands)
if db.get_db_port_num() == 10000:
db_name = db.get_db_host()
else:
db_name = "%s:%s" % (db.get_db_host(), db.get_db_port())
return db
def init_magic(ip):
import IPython.core.magic
new_style_magics = hasattr(IPython.core.magic, 'Magics') and hasattr(IPython.core.magic, 'magics_class')
if new_style_magics:
@IPython.core.magic.magics_class
class Tango(IPython.core.magic.Magics):
refreshdb = IPython.core.magic.line_magic(refreshdb)
switchdb = IPython.core.magic.line_magic(switchdb)
lsdev = IPython.core.magic.line_magic(lsdev)
lsdevclass = IPython.core.magic.line_magic(lsdevclass)
lsserv = IPython.core.magic.line_magic(lsserv)
tango_error = IPython.core.magic.line_magic(tango_error)
python_error = IPython.core.magic.line_magic(python_error)
mon = IPython.core.magic.line_magic(mon)
ip.register_magics(Tango)
ip.set_hook('complete_command', __monitor_completer, re_key = ".*" + "mon")
else:
__expose_magic(ip, "refreshdb", refreshdb)
__expose_magic(ip, "switchdb", switchdb)
__expose_magic(ip, "lsdev", lsdev)
__expose_magic(ip, "lsdevclass", lsdevclass)
__expose_magic(ip, "lsserv", lsserv)
__expose_magic(ip, "tango_error", tango_error)
__expose_magic(ip, "python_error", python_error)
__expose_magic(ip, "mon", mon, __monitor_completer)
get_user_ns().update({"get_device_map" : get_device_map,
"get_server_map" : get_server_map,
"get_class_map" : get_class_map,
"get_alias_map" : get_alias_map,
"get_device_list" : get_device_list,
"get_alias_list" : get_alias_list})
def complete(text):
"""a super complete!!!!"""
self = get_ipapi().IP
complete = self.Completer.complete
state = 0
comps = set()
while True:
newcomp = complete("", state, line_buffer=text)
if newcomp is None:
break
comps.add(newcomp)
state += 1
outcomps = sorted(comps)
return outcomps
__DIRNAME = os.path.dirname(os.path.abspath(__file__))
__RES_DIR = os.path.join(__DIRNAME, os.path.pardir, 'resource')
class __TangoInfo(object):
"""Helper class for when DeviceProxy.info() is not available"""
def __init__(self, dev):
try:
db = dev.get_device_db()
klass = db.get_class_for_device(dev.dev_name())
self.dev_class = self.dev_type = klass
except:
self.dev_class = self.dev_type = 'Device'
self.doc_url = 'http://www.esrf.eu/computing/cs/tango/tango_doc/ds_doc/index.html'
self.server_host = 'Unknown'
self.server_id = 'Unknown'
self.server_version = 1
def __get_device_icon(dev_proxy, klass="Device"):
icon_prop = "__icon"
db = dev_proxy.get_device_db()
try:
icon_filename = dev_proxy.get_property(icon_prop)[icon_prop]
if icon_filename:
icon_filename = icon_filename[0]
else:
icon_filename = db.get_class_property(klass, icon_prop)[icon_prop]
if icon_filename:
icon_filename = icon_filename[0]
else:
icon_filename = klass.lower() + os.path.extsep + "png"
except:
icon_filename = klass.lower() + os.path.extsep + "png"
if os.path.isabs(icon_filename):
icon = icon_filename
else:
icon = os.path.join(__RES_DIR, icon_filename)
if not os.path.isfile(icon):
icon = os.path.join(__RES_DIR, "device.png")
return icon
__DEV_HTML_TEMPLATE = """\
<table border="0" cellpadding="2" width="100%">
<tr><td width="140" rowspan="7" valign="middle" align="center"><img src="{icon}" height="128"/></td>
<td width="140">Name:</td><td><b>{name}</b></td></tr>
<tr><td width="140">Alias:</td><td>{alias}</td></tr>
<tr><td width="140">Database:</td><td>{database}</td></tr>
<tr><td width="140">Type:</td><td>{dev_class}</td></tr>
<tr><td width="140">Server:</td><td>{server_id}</td></tr>
<tr><td width="140">Server host:</td><td>{server_host}</td></tr>
<tr><td width="140">Documentation:</td><td><a target="_blank" href="{doc_url}">{doc_url}</a></td></tr>
</table>"""
def display_deviceproxy_html(dev_proxy):
"""displayhook function for PyTango.DeviceProxy, rendered as HTML"""
try:
info = dev_proxy.info()
except:
info = __TangoInfo(dev_proxy)
name = dev_proxy.dev_name()
fmt = dict(dev_class=info.dev_class, server_id=info.server_id,
server_host=info.server_host, name=name)
try:
fmt["alias"] = dev_proxy.alias()
except:
fmt["alias"] = "-----"
db = dev_proxy.get_device_db()
try:
fmt["database"] = db.get_db_host() + ":" + db.get_db_port()
except:
try:
fmt["database"] = db.get_file_name()
except:
fmt["database"] = "Unknown"
doc_url = info.doc_url.split("\n")[0]
try:
fmt["doc_url"] = doc_url[doc_url.index("http"):]
except ValueError:
fmt["doc_url"] = doc_url
fmt['icon'] = __get_device_icon(dev_proxy, info.dev_class)
return __DEV_HTML_TEMPLATE.format(**fmt)
__DB_HTML_TEMPLATE = """\
<table border="0" cellpadding="2" width="100%">
<tr><td width="140" rowspan="2" valign="middle" align="center"><img src="{icon}" height="128"/></td>
<td><b>{name}</b></td></tr>
<tr><td>{info}</td></tr>
</table>"""
def display_database_html(db):
"""displayhook function for PyTango.Database, rendered as HTML"""
fmt = dict()
try:
fmt["name"] = db.get_db_host() + ":" + db.get_db_port()
except:
try:
fmt["name"] = db.get_file_name()
except:
fmt["name"] = "Unknown"
try:
fmt["info"] = db.get_info().replace("\n", "<BR/>")
except:
fmt["info"] = "Unknown"
fmt['icon'] = os.path.join(__RES_DIR, "database.png")
return __DB_HTML_TEMPLATE.format(**fmt)
__DEV_ATTR_RW_HTML_TEMPLATE = """\
<table border="0" cellpadding="2" width="100%">
<tr><td colspan="2" bgcolor="{bgcolor}">{name} ({type}, {data_format}, {quality}) at {time}</td></tr>
<tr><td bgcolor="#EEEEEE" width="140">value{r_dim}:</td>
<td bgcolor="#EEEEEE">{value}</td></tr>
<tr><td bgcolor="#EEEEEE" width="140">w_value{w_dim}:</td>
<td bgcolor="#EEEEEE">{w_value}</td></tr>
</table>"""
__DEV_ATTR_RO_HTML_TEMPLATE = """\
<table border="0" cellpadding="2" width="100%">
<tr><td colspan="2" bgcolor="{bgcolor}">{name} ({type}, {data_format}, {quality}) at {time}</td></tr>
<tr><td bgcolor="#EEEEEE" width="140">value{r_dim}:</td>
<td bgcolor="#EEEEEE">{value}</td></tr>
</table>"""
__DEV_ATTR_ERR_HTML_TEMPLATE = """\
<table border="0" cellpadding="2" width="100%">
<tr><td bgcolor="#FF0000">{name} ({type}, {data_format}, {quality}) at {time}</td></tr>
<tr><td bgcolor="#EEEEEE">{error}</td></tr>
</table>"""
QUALITY_TO_HEXCOLOR_STR = {
PyTango.AttrQuality.ATTR_VALID : ("#00FF00", "#000000"),
PyTango.AttrQuality.ATTR_INVALID : ("#808080", "#FFFFFF"),
PyTango.AttrQuality.ATTR_ALARM : ("#FF8C00", "#FFFFFF"),
PyTango.AttrQuality.ATTR_WARNING : ("#FF8C00", "#FFFFFF"),
PyTango.AttrQuality.ATTR_CHANGING : ("#80A0FF", "#000000"),
None : ("#808080", "#000000"),
}
def display_deviceattribute_html(da):
"""displayhook function for PyTango.DeviceAttribute, rendered as HTML"""
fmt = dict(name=da.name, type=da.type, data_format=da.data_format)
template = None
if da.has_failed:
fmt['error'] = "\n".join(map(str, da.get_err_stack())).replace("\n", "<br/>")
template = __DEV_ATTR_ERR_HTML_TEMPLATE
else:
rd, wd = da.r_dimension, da.w_dimension
if wd.dim_x == 0 and wd.dim_y == 0 and da.w_value is None:
template = __DEV_ATTR_RO_HTML_TEMPLATE
else:
template = __DEV_ATTR_RW_HTML_TEMPLATE
fmt['w_value'] = str(da.w_value)
if da.data_format == PyTango.AttrDataFormat.SCALAR:
fmt['w_dim'] = ""
else:
fmt['w_dim'] = "<br/>(%d, %d)" % (wd.dim_x, wd.dim_y)
fmt['bgcolor'], fmt['fgcolor'] = QUALITY_TO_HEXCOLOR_STR[da.quality]
fmt['quality'] = str(da.quality)
if da.data_format == PyTango.AttrDataFormat.SCALAR:
fmt['r_dim'] = ""
else:
fmt['r_dim'] = "<br/>(%d, %d)" % (rd.dim_x, rd.dim_y)
fmt['value'] = str(da.value)
fmt['time'] = str(da.time.todatetime())
return template.format(**fmt)
__GROUP_HTML_TEMPLATE = """\
<table border="0" cellpadding="2" width="100%">
<tr><td width="100" bgcolor="#EEEEEE">Name:</td><td bgcolor="#EEEEEE">{name}</td></tr>
<tr><td width="100" bgcolor="#EEEEEE">Size:</td><td bgcolor="#EEEEEE">{size}</td></tr>
<tr><td width="100" bgcolor="#EEEEEE">Devices:</td><td bgcolor="#EEEEEE">{devices}</td></tr>
</table>"""
def display_group_html(group):
devices = group.get_device_list()
devices = ", ".join(devices)
fmt=dict(name=group.get_name(), size=group.get_size(), devices=devices)
return __GROUP_HTML_TEMPLATE.format(**fmt)
__GROUP_REPLY_HTML_TEMPLATE = """\
<table border="0" cellpadding="2" width="100%">
<tr><td bgcolor="#EEEEEE">{name}</td></tr>
<tr><td>{data}</td></tr>
"""
__GROUP_REPLY_ERR_HTML_TEMPLATE = """\
<table border="0" cellpadding="2" width="100%">
<tr><td bgcolor="#FF0000">{name}</td></tr>
<tr><td bgcolor="#EEEEEE">{error}</td></tr>
</table>"""
def display_groupreply_html(gr):
fmt = dict(name="%s/%s" % (gr.dev_name(), gr.obj_name()))
template = None
if gr.has_failed():
fmt['error'] = "\n".join(map(str, gr.get_err_stack())).replace("\n", "<br/>")
template = __GROUP_REPLY_ERR_HTML_TEMPLATE
else:
template = __GROUP_REPLY_HTML_TEMPLATE
data = gr.get_data()
if isinstance(data, PyTango.DeviceAttribute):
data = display_deviceattribute_html(data)
fmt["data"] = data
ret = template.format(**fmt)
return ret
def init_display(ip):
html_formatter = ip.display_formatter.formatters["text/html"]
html_formatter.for_type(PyTango.DeviceProxy, display_deviceproxy_html)
html_formatter.for_type(PyTango.Database, display_database_html)
html_formatter.for_type(PyTango.DeviceAttribute, display_deviceattribute_html)
html_formatter.for_type(PyTango.Group, display_group_html)
html_formatter.for_type(PyTango.GroupAttrReply, display_groupreply_html)
html_formatter.for_type(PyTango.GroupCmdReply, display_groupreply_html)
def init_ipython(ip=None, store=True, pytango=True, colors=True, console=True,
magic=True):
if ip is None:
ip = get_ipapi()
global _tango_init
if _tango_init is True: return
init_display(ip)
if pytango:
init_pytango(ip)
init_db()
if magic:
init_magic(ip)
_tango_init = True
def load_config(config):
import PyTango.ipython
import IPython.utils.coloransi
d = { "version" : str(PyTango.ipython.get_pytango_version()),
"pyver" : str(PyTango.ipython.get_python_version()),
"ipyver" : str(PyTango.ipython.get_ipython_version()),
"pytangover" : str(PyTango.ipython.get_pytango_version()), }
d.update(IPython.utils.coloransi.TermColors.__dict__)
so = Struct(
tango_banner="""%(Blue)shint: Try typing: mydev = Device("%(LightBlue)s<tab>%(Normal)s\n""")
so = config.get("tango_options", so)
ipy_ver = PyTango.ipython.get_ipython_version()
# ------------------------------------
# Application
# ------------------------------------
app = config.Application
app.log_level = 30
# ------------------------------------
# InteractiveShell
# ------------------------------------
i_shell = config.InteractiveShell
i_shell.colors = 'Linux'
if ipy_ver >= "0.12":
# ------------------------------------
# PromptManager (ipython >= 0.12)
# ------------------------------------
prompt = config.PromptManager
prompt.in_template = 'ITango [\\#]: '
prompt.out_template = 'Result [\\#]: '
else:
# (Deprecated in ipython >= 0.12 use PromptManager.in_template)
i_shell.prompt_in1 = 'ITango [\\#]: '
# (Deprecated in ipython >= 0.12 use PromptManager.out_template)
i_shell.prompt_out = 'Result [\\#]: '
# ------------------------------------
# InteractiveShellApp
# ------------------------------------
i_shell_app = config.InteractiveShellApp
extensions = getattr(i_shell_app, 'extensions', [])
extensions.append('PyTango.ipython')
i_shell_app.extensions = extensions
# ------------------------------------
# TerminalIPythonApp: options for the IPython terminal (and not Qt Console)
# ------------------------------------
term_app = config.TerminalIPythonApp
term_app.display_banner = True
#term_app.nosep = False
#term_app.classic = True
# ------------------------------------
# IPKernelApp: options for the Qt Console
# ------------------------------------
#kernel_app = config.IPKernelApp
ipython_widget = config.IPythonWidget
ipython_widget.in_prompt = 'ITango [<span class="in-prompt-number">%i</span>]: '
ipython_widget.out_prompt = 'Result [<span class="out-prompt-number">%i</span>]: '
#zmq_i_shell = config.ZMQInteractiveShell
# ------------------------------------
# TerminalInteractiveShell
# ------------------------------------
term_i_shell = config.TerminalInteractiveShell
banner = """\
%(Purple)sITango %(version)s%(Normal)s -- An interactive %(Purple)sTango%(Normal)s client.
Running on top of Python %(pyver)s, IPython %(ipyver)s and PyTango %(pytangover)s
help -> ITango's help system.
object? -> Details about 'object'. ?object also works, ?? prints more.
"""
banner = banner % d
banner = banner.format(**d)
tango_banner = so.tango_banner % d
tango_banner = tango_banner.format(**d)
all_banner = "\n".join((banner, tango_banner))
term_i_shell.banner1 = banner
term_i_shell.banner2 = tango_banner
# ------------------------------------
# FrontendWidget
# ------------------------------------
frontend_widget = config.ITangoConsole
frontend_widget.banner = all_banner
def load_ipython_extension(ipython):
# The ``ipython`` argument is the currently active
# :class:`InteractiveShell` instance that can be used in any way.
# This allows you do to things like register new magics, plugins or
# aliases.
init_ipython(ip=ipython, store=False, colors=False)
def unload_ipython_extension(ipython):
# If you want your extension to be unloadable, put that logic here.
#print "Unloading PyTango IPython extension"
pass
def run():
# overwrite the original IPython Qt widget with our own so we can put a
# customized banner. IPython may have been installed without Qt support so we
# protect this code against an import error
try:
from IPython.utils.traitlets import Unicode
from IPython.qt.console.rich_ipython_widget import RichIPythonWidget
class ITangoConsole(RichIPythonWidget):
banner = Unicode(config=True)
def _banner_default(self):
config = get_config()
return config.ITangoConsole.banner
import IPython.qt.console.qtconsoleapp
IPythonQtConsoleApp = IPython.qt.console.qtconsoleapp.IPythonQtConsoleApp
IPythonQtConsoleApp.widget_factory = ITangoConsole
except ImportError:
pass
argv = sys.argv
try:
for i, arg in enumerate(argv[:1]):
if arg.startswith('--profile='):
break
else:
argv.append("--profile=tango")
except:
pass
launch_new_instance()
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