def get(name,return_type):
"""Return a variable from hoc.
name can be a hoc variable (int, float, string) or a function/method
that returns such a variable.
"""
fmt_dict = {'int' : '%d', 'float' : '%g', 'string' : '\\"%s\\"'}
hoc_commands = ['strdef cmd',
'{sprint(cmd,"HocToPy.hocvar = %s",%s)}' % (fmt_dict[return_type],name),
'{nrnpython(cmd)}']
for cmd in hoc_commands:
hoc.execute(cmd)
return HocToPy.hocvar
def hoc_execute(hoc_commands, comment=None):
assert isinstance(hoc_commands,list)
if comment:
logging.debug(comment)
for cmd in hoc_commands:
logging.debug(cmd)
success = hoc.execute(cmd)
if not success:
raise HocError('Error produced by hoc command "%s"' % cmd)
def hoc_execute(hoc_commands, comment=None):
assert isinstance(hoc_commands,list)
if comment:
logging.debug(comment)
for cmd in hoc_commands:
logging.debug(cmd)
success = hoc.execute(cmd)
if not success:
raise HocError('Error produced by hoc command "%s"' % cmd)
def get(name,return_type):
"""Return a variable from hoc.
name can be a hoc variable (int, float, string) or a function/method
that returns such a variable.
"""
fmt_dict = {'int' : '%d', 'float' : '%g', 'string' : '\\"%s\\"'}
hoc_commands = ['strdef cmd',
'{sprint(cmd,"HocToPy.hocvar = %s",%s)}' % (fmt_dict[return_type],name),
'{nrnpython(cmd)}']
for cmd in hoc_commands:
hoc.execute(cmd)
return HocToPy.hocvar
get = staticmethod(get)
hoc.execute("a = 2")
hoc.execute("pi = 3.14159")
hoc.execute("strdef hello")
hoc.execute('hello = "Hello World"')
a = HocToPy.get('a','int')
pi = HocToPy.get('pi','float')
hello = HocToPy.get('hello','string')
print("a = ", a)
print("pi = ", pi)
print(hello)
hoc.execute('create soma')
hoc.execute('{finitialize(-70)}')
v = HocToPy.get('soma.v(.5)', 'float')
import hoc
hoc.execute("hoc_ac_ = PI")
pi = hoc.hoc_ac()
print(pi)
from hoc import execute
execute('load_file("nrngui.hoc")')
secnames = []
execute('''
create soma, axon, dend[3]
strdef str
forall { \
sprint(str, "secnames.append('%s')", secname()) \
nrnpython(str) \
}
''')
print(secnames)
import hoc
hoc.execute('print "scalar get tests"')
h = hoc.HocObject()
print(h)
h('print "goodbye"')
h('x = 2')
print(h.x)
h('strdef str')
h('str = "test hoc string"')
print(h.str)
h('objref obj')
h('obj = new Vector(10)')
a = h.obj
print(a)
h('print "scalar set tests"')
h.x = 5
print(h.x)
h.str = 'from python'
print(h.str)
h('objref o2')
h('o2 = new List()')
h.obj = h.o2
print(h.obj)
h('print "function tests"')
f = h.printf
