/usr/lib/python3/dist-packages/PyTango/ipython/ipython_00_10/ipython_00_10.py is in python3-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
import sys
import os
import re
import io
import textwrap
import IPython.ipapi
import IPython.ColorANSI
import IPython.Prompts
import IPython.PyColorize
import IPython.excolors
import IPython.ipstruct
import IPython.genutils
import PyTango
import PyTango.utils
_DB_SYMB = "db"
_DFT_TANGO_HOST = None
_TANGO_STORE = "__tango_store"
_TANGO_ERR = "__tango_error"
_PYTHON_ERR = "__python_error"
_tango_init = False
_TG_EXCEPTIONS = PyTango.DevFailed, PyTango.CommunicationFailed, \
PyTango.NamedDevFailed, PyTango.NamedDevFailedList, \
PyTango.WrongNameSyntax, PyTango.NonDbDevice, PyTango.WrongData, \
PyTango.NonSupportedFeature, PyTango.AsynCall, \
PyTango.AsynReplyNotArrived, PyTango.EventSystemFailed, \
PyTango.DeviceUnlocked, PyTango.NotAllowed
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]
def __switchdb_completer(ip, evt):
return list(__get_store(ip, "database_list").keys())
__monitor_completer = __AttributeProxy_completer
#-------------------------------------------------------------------------------
# Magic commands
#-------------------------------------------------------------------------------
def magic_refreshdb(self, parameter_s=''):
init_db(IPython.ipapi.get(), parameter_s)
def magic_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 IPython.ipapi.UsageError("%switchdb: Must specify a tango database name. See '%switchdb?'")
return init_db(IPython.ipapi.get(), parameter_s)
def magic_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()
cols = 40, 25, 25, 20
l = "%{0}s %{1}s %{2}s %{3}s".format(*cols)
print(l % ("Device", "Alias", "Server", "Class"), file=s)
print(l % (cols[0]*"-", cols[1]*"-", cols[2]*"-", cols[3]*"-"), file=s)
for d, v in data.items():
if reg_exp and not reg_exp.match(d): continue
print(l % (d, v[0], v[1], v[2]), file=s)
s.seek(0)
IPython.genutils.page(s.read())
def magic_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)
IPython.genutils.page(s)
def magic_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)
IPython.genutils.page(s)
def magic_tango_error(self, parameter_s=''):
"""Displays detailed information about the last tango error"""
global _TANGO_ERR
err_info = self.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 magic_python_error(self, parameter_s=''):
"""Displays detailed information about the last python error"""
global _PYTHON_ERR
err_info = self.user_ns.get(_PYTHON_ERR)
if err_info is None:
print("No error reported so far.")
return
ip = IPython.ipapi.get()
etype, evalue, etb = err_info[:3]
ip.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:
import PyTango.ipython.eventlogger
_EVT_LOG = PyTango.ipython.eventlogger.EventLogger(capacity=10000, pager=IPython.genutils.page)
return _EVT_LOG
def magic_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
opts, args = self.parse_options(parameter_s,'adril', mode='list')
if len(args) > 3:
raise IPython.ipapi.UsageError("%mon: too many arguments")
if 'd' in opts:
try:
todel = args[0]
except IndexError:
raise IPython.ipapi.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 IPython.ipapi.UsageError(
"%%mon -d: Not monitoring '%s'" % todel)
elif 'a' in opts:
try:
toadd = args[0]
except IndexError:
raise IPython.ipapi.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 IPython.ipapi.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 IPython.ipapi.UsageError(
"%mon -i: must provide an event ID")
except ValueError:
raise IPython.ipapi.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 IPython.ipapi.UsageError(
"%mon -i: must provide a valid event ID")
elif 'l' in opts:
try:
dexpr = args[0]
aexpr = args[1]
except IndexError:
raise IPython.ipapi.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):
global _TG_EXCEPTIONS
if etype in _TG_EXCEPTIONS:
global _TANGO_ERR
ip.user_ns[_TANGO_ERR] = etype, value, tb
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
ip.user_ns[_PYTHON_ERR] = etype, value, tb
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 = IPython.ipapi.get()
global _DB_SYMB
db = ip.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(":"))
ip.user_ns["DB_NAME"] = host_port
except Exception:
print()
if db:
print("Could not access Database", host_port)
old_host_port = "%s:%s" % (db.get_db_host(), db.get_db_port())
print("Maintaining connection to Database", old_host_port)
ip.user_ns["DB_NAME"] = old_host_port
else:
print("Could not access any Database.")
print("Make sure .tangorc, /etc/tangorc or TANGO_HOST environment is defined.")
ip.user_ns["DB_NAME"] = "OFFLINE"
# register the 'db' in the user namespace
ip.to_user_ns({ _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 informantion:")
print(IPython.ipapi.get().options.banner)
print(80*"-")
print("Completer:",__get_obj_name(f))
print(80*"-")
print(str(e))
print(80*"-")
raise e
return wrapper
def __get_ipapi():
return IPython.ipapi.get()
def __expose_magic(ip, name, fn, completer_func=None):
ip.expose_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):
mg = 'magic_%s' % name
delattr(ip.IP, mg)
def __build_color_scheme(ip, name):
# make some schemes as instances so we can copy them for modification easily:
ColorANSI = IPython.ColorANSI
InputColors = ColorANSI.InputTermColors
TermColors = ColorANSI.TermColors
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 = InputColors.Purple
promptTangoColors.colors.in_number = InputColors.LightPurple
promptTangoColors.colors.in_prompt2 = InputColors.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
def __set_store(ip, key=None, value=None):
if key is not None:
tango_store = ip.user_ns.get(_TANGO_STORE)
tango_store[key] = value
__store(ip, _TANGO_STORE)
def __get_store(ip, key, nvalue=None):
tango_store = ip.user_ns.get(_TANGO_STORE)
v = tango_store.get(key)
if v is None and nvalue is not None:
tango_store[key] = nvalue
v = nvalue
return v
def __store(ip, var):
# this executes the magic command store which prints a lot of info. So, first
# we hide the standard output
stdout = sys.stdout
try:
sys.stdout = io.BytesIO()
ip.magic("store %s" % var)
finally:
sys.stdout = stdout
#-------------------------------------------------------------------------------
# Initialization methods
#-------------------------------------------------------------------------------
def init_colors(ip):
ColorANSI = IPython.ColorANSI
InputColors = ColorANSI.InputTermColors
TermColors = ColorANSI.TermColors
name = "Tango"
scheme = __build_color_scheme(ip, name)
for k, v in scheme.items():
v[0].add_scheme(v[1])
name = "PurpleTango"
scheme = __build_color_scheme(ip, name)
for k, v in scheme.items():
v[0].add_scheme(v[1])
name = "BlueTango"
scheme = __build_color_scheme(ip, name)
prompt = scheme["prompt"][1]
prompt.colors.in_prompt = InputColors.Blue
prompt.colors.in_number = InputColors.LightBlue
prompt.colors.in_prompt2 = InputColors.Blue
prompt.colors.out_prompt = TermColors.Cyan
prompt.colors.out_number = TermColors.LightCyan
for k, v in scheme.items():
v[0].add_scheme(v[1])
name = "GreenTango"
scheme = __build_color_scheme(ip, name)
prompt = scheme["prompt"][1]
prompt.colors.in_prompt = InputColors.Green
prompt.colors.in_number = InputColors.LightGreen
prompt.colors.in_prompt2 = InputColors.Green
prompt.colors.out_prompt = TermColors.Red
prompt.colors.out_number = TermColors.LightRed
for k, v in scheme.items():
v[0].add_scheme(v[1])
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(ip, parameter_s=''):
global _DB_SYMB
old_db = ip.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 ip.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
if klass not in ip.user_ns 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
ip.to_user_ns(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 = IPython.ipstruct.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)
valid_dbs = __get_store(ip, "database_list", {})
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())
valid_dbs[db_name] = None
__set_store(ip)
return db
def init_store(ip):
# recover the environment
ip.magic("store -r")
tango_store = ip.user_ns.get(_TANGO_STORE)
if tango_store is None:
print("Initializing tango store (should only happen once)")
tango_store = {}
ip.to_user_ns( { _TANGO_STORE : tango_store} )
__store(ip, _TANGO_STORE)
def init_console(ip):
import PyTango.ipython
TermColors = IPython.ColorANSI.TermColors
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(TermColors.__dict__)
o = ip.options
so = IPython.ipstruct.Struct(
tango_banner = """%(Blue)shint: Try typing: mydev = Device("%(LightBlue)s<tab>%(Normal)s\n""")
so = ip.user_ns.get("tango_options", so)
#o.colors = "Tango"
o.prompt_in1 = "ITango [\\#]: "
o.prompt_out = "Result [\\#]: "
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.
""" + so.tango_banner
o.banner = banner % d
if hasattr(o.banner, "format"):
o.banner = o.banner.format(**d)
def init_magic(ip):
__expose_magic(ip, "refreshdb", magic_refreshdb)
__expose_magic(ip, "reloaddb", magic_refreshdb)
__expose_magic(ip, "switchdb", magic_switchdb, __switchdb_completer)
__expose_magic(ip, "lsdev", magic_lsdev)
__expose_magic(ip, "lsdevclass", magic_lsdevclass)
__expose_magic(ip, "lsserv", magic_lsserv)
__expose_magic(ip, "tango_error", magic_tango_error)
__expose_magic(ip, "python_error", magic_python_error)
__expose_magic(ip, "mon", magic_mon, __monitor_completer)
#__expose_magic(ip, "umon", magic_umon, __monitor_completer)
ip.to_user_ns({"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})
#__expose_magic(ip, "get_device_map", get_device_map)
#__expose_magic(ip, "get_server_map", get_server_map)
#__expose_magic(ip, "get_class_map", get_class_map)
#__expose_magic(ip, "get_alias_map", get_alias_map)
#__expose_magic(ip, "get_device_list", get_device_list)
#__expose_magic(ip, "get_alias_list", get_alias_list)
def complete(text):
"""a super complete!!!!"""
self = IPython.ipapi.get().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
def init_ipython(ip, store=True, pytango=True, colors=True, console=True, magic=True):
if ip is None:
raise Exception("ITango's init_ipython must be called from inside IPython")
global _tango_init
if _tango_init is True: return
#ip.IP._orig_complete = ip.IP.complete
#ip.IP.complete = complete
if colors: init_colors(ip)
if store: init_store(ip)
if pytango: init_pytango(ip)
init_db(ip)
if console: init_console(ip)
if magic: init_magic(ip)
_tango_init = True
def run():
argv = sys.argv
try:
for i, arg in enumerate(argv[:1]):
if arg.startswith('--profile='):
break
else:
argv.append("--profile=tango")
except:
pass
shell = IPython.Shell.start()
shell.mainloop()
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