def restore(fname, top_level=True, _larch=None):
"""restore data from a json Larch save file
Arguments
---------
top_level bool whether to restore to _main [True]
Returns
-------
None with `top_level=True` or group with `top_level=False`
Notes
-----
1. With top_level=False, a new group containing the
recovered data will be returned.
"""
grouplist = _larch.symtable._sys.saverestore_groups
datalines = open(fname, 'r').readlines()
line1 = datalines.pop(0)
if not line1.startswith("#Larch Save File:"):
raise ValueError("%s is not a valid Larch save file" % fname)
version_string = line1.split(':')[1].strip()
version_info = [s for s in version_string.split('.')]
ivar = 0
header = {'version': version_info}
varnames = []
gname = fix_varname('restore_%s' % fname)
out = Group(name=gname)
for line in datalines:
line = line[:-1]
if line.startswith('#save.'):
key, value = line[6:].split(':', 1)
value = value.strip()
if key == 'nitems': value = int(value)
header[key] = value
elif line.startswith('#=>'):
name = fix_varname(line[4:].strip())
ivar += 1
if name in (None, 'None', '__unknown__') or name in varnames:
name = 'var_%5.5i' % (ivar)
varnames.append(name)
else:
val = decode4js(json.loads(line), grouplist)
setattr(out, varnames[-1], val)
setattr(out, '_restore_metadata_', header)
if top_level:
_main = _larch.symtable
for objname in dir(out):
setattr(_main, objname, getattr(out, objname))
return
return out
def restore(fname, top_level=True, _larch=None):
"""restore data from a json Larch save file
Arguments
---------
top_level bool whether to restore to _main [True]
Returns
-------
None with `top_level=True` or group with `top_level=False`
Notes
-----
1. With top_level=False, a new group containing the
recovered data will be returned.
"""
grouplist = _larch.symtable._sys.saverestore_groups
datalines = open(fname, 'r').readlines()
line1 = datalines.pop(0)
if not line1.startswith("#Larch Save File:"):
raise ValueError("%s is not a valid Larch save file" % fname)
version_string = line1.split(':')[1].strip()
version_info = [s for s in version_string.split('.')]
ivar = 0
header = {'version': version_info}
varnames = []
gname = fix_varname('restore_%s' % fname)
out = Group(name=gname)
for line in datalines:
line = line[:-1]
if line.startswith('#save.'):
key, value = line[6:].split(':', 1)
value = value.strip()
if key == 'nitems': value = int(value)
header[key] = value
elif line.startswith('#=>'):
name = fix_varname(line[4:].strip())
ivar += 1
if name in (None, 'None', '__unknown__') or name in varnames:
name = 'var_%5.5i' % (ivar)
varnames.append(name)
else:
val = decode4js(json.loads(line), grouplist)
setattr(out, varnames[-1], val)
setattr(out, '_restore_metadata_', header)
if top_level:
_main = _larch.symtable
for objname in dir(out):
setattr(_main, objname, getattr(out, objname))
return
return out
import xmlrpclib
import time
import json
from larch.utils.jsonutils import decode4js
s = xmlrpclib.ServerProxy('http://127.0.0.1:4966')
print 'Avaialable Methods from XML-RPC server: ', s.system.listMethods()
s.larch('m = 222.3')
s.larch('g = group(x=linspace(0, 10, 11))')
s.larch('g.z = cos(g.x)')
# show and print will be done in server process of course!!!
s.larch('show(g)')
s.larch('print g.z[3:10]')
print '== Messages:'
print s.get_messages()
print '=='
gx = decode4js(s.get_data('g.z'))
print 'm = ', s.get_data('m')
print 'x = ', s.get_data('x')
print 'gx = ', gx, type(gx), gx.dtype
# could tell server to exit!
# s.exit()
def deval(obj):
out = decode4js(encode(obj))
print("Decoded to: ", out)
return out
def deval(obj):
out = decode4js(encode(obj))
print("Decoded to: ", out)
return out