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Add an experimental WITH-PYTHON macro

Thanks to Mariano Montone (mmontone) for the idea.
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Pixie committed Feb 11, 2015
1 parent 40a09c6 commit 4c5792c94bee4c900cfff8cd66f731e4ba70790e
Showing with 16 additions and 0 deletions.
  1. +15 −0 api.lisp
  2. +1 −0 packages.lisp
@@ -27,6 +27,21 @@
:test (lambda (c) (declare (ignore c)) (not (.is-initialized)))
(defun call-with-python (thunk)
(let ((cpython-initialized? (.is-initialized)))
(unless cpython-initialized?
(funcall thunk)
(unless cpython-initialized?
(defmacro with-python (&body body)
"EXPERIMENTAL. Ensures the CPython interpreter is running, executes BODY,
then returns the interpreter to whatever state it was in prior to the
WITH-PYTHON form being entered."
`(call-with-python (lambda () ,@body)))
(defun import (name)
"Imports a Python module into the current namespace. Should be equivalent
to (run \"import NAME\")."
@@ -65,6 +65,7 @@ converting to and from the type. See the WARNING above (defpytype \"PyString\"
(:export #:startup-python

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