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pyon: fraction support

This commit is contained in:
Sebastien Bourdeauducq 2014-11-21 11:30:37 -08:00
parent 64866a0f49
commit 57cc6479c4
1 changed files with 13 additions and 1 deletions
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14
artiq/management/pyon.py
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@ -19,6 +19,7 @@ function call syntax to mark special data types.
import base64 import base64
from fractions import Fraction
import numpy import numpy
@ -66,6 +67,10 @@ def _encode_dict(x):
return r return r
def _encode_fraction(x):
return "Fraction({}, {})".format(encode(x.numerator),
encode(x.denominator))
def _encode_nparray(x): def _encode_nparray(x):
r = "nparray(" r = "nparray("
r += encode(x.shape) + ", " r += encode(x.shape) + ", "
@ -84,6 +89,7 @@ _encode_map = {
tuple: _encode_tuple, tuple: _encode_tuple,
list: _encode_list, list: _encode_list,
dict: _encode_dict, dict: _encode_dict,
Fraction: _encode_fraction,
numpy.ndarray: _encode_nparray numpy.ndarray: _encode_nparray
} }
@ -101,9 +107,15 @@ def _nparray(shape, dtype, data):
return a.reshape(shape) return a.reshape(shape)
_eval_dict = {
"__builtins__": None,
"Fraction": Fraction,
"nparray": _nparray
}
def decode(s): def decode(s):
"""Parses a string in the Python syntax, reconstructs the corresponding """Parses a string in the Python syntax, reconstructs the corresponding
object, and returns it. object, and returns it.
""" """
return eval(s, {"__builtins__": None, "nparray": _nparray}, {}) return eval(s, _eval_dict, {})