Issue 16 (#540)

* move SymPyPyCall -> SymPy; breaking change

* fix for 1.6

Author: jverzani

Project.toml

@@ -1,6 +1,6 @@
 name = "SymPy"
 uuid = "24249f21-da20-56a4-8eb1-6a02cf4ae2e6"
-version = "2.0.0"
+version = "2.0.1"
 
 [deps]
 CommonEq = "3709ef60-1bee-4518-9f2f-acd86f176c50"

src/SymPy.jl

@@ -15,10 +15,159 @@ _pyimport(a) = PyCall.pyimport(a)
 _pyimport_conda(a,b) = PyCall.pyimport_conda(a, b)
 _pyobject(x) = PyCall.PyObject(x)
 _pytype_mapping(typ,a)  = PyCall.pytype_mapping(typ, a)
-const _pybuiltin = PyCall.builtin
 
-core_src_path = joinpath(pathof(SymPy.SymPyCore), "../../src/SymPy")
-include(joinpath(core_src_path, "sympy.jl"))
+# for 1.6, we can't pass in _pybuiltin so we just
+# paste in here sympy.jl and modify.
+# not DRY!
+#core_src_path = joinpath(pathof(SymPy.SymPyCore), "../../src/SymPy")
+#include(joinpath(core_src_path, "sympy.jl"))
+## Common code
+
+using LinearAlgebra
+import SpecialFunctions
+import CommonEq
+import CommonSolve
+
+## XXX This should be in a file in SymPyCore...
+#=
+Several functions are exported
+
+* generic functions in base `Julia` having a `sympy` counterpart have
+  methods defined to dispatch on the first argument. (Basically,
+  `Base.sin(x::Sym) = \uparrow(_sympy_.sin(\downarrow(x))`.) These are
+  defined in the `generic_methods` list in `SymPyCore` and read in via
+  the package once a Python bridge is in place.
+
+* Some object methods, such as `ex.subs(...)` have exported functions
+  that use the `Julian` order `subs(ex, ...)`. All object methods
+  should be callable using the python syntax `obj.method(...)`.
+
+* Functions in `sympy` that are foundational (e.g., `simplify`) have
+  methods created dispatch on the first argument being symbolic
+  (typically type `Sym`). These are exported. Other functions, e.g.,
+  `trigsimp` may be called via `sympy.trigsimp(...)`.
+=#
+
+## import/exports
+import SymPyCore: ↑, ↓, ↓ₖ
+import SymPyCore: SymbolicObject, Sym, SymFunction
+import SymPyCore: symbols, free_symbols
+import SymPyCore: simplify, expand, together, apart, factor, cancel
+import SymPyCore: solve, dsolve, nsolve, linsolve, nonlinsolve, solveset
+import SymPyCore: subs, lambdify, simplify
+import SymPyCore: ask, doit
+import SymPyCore: N
+import SymPyCore: limit, diff, integrate, Differential, Heaviside
+import SymPyCore: rhs, lhs
+import SymPyCore: Wild, Permutation, PermutationGroup
+import SymPyCore: ∨, ∧, ¬  # infix logical operators
+
+# more exports defined in SymPyCore/src/gen_methods_sympy
+export Sym, SymFunction
+export sympy, PI, E, IM, oo, zoo
+export @syms, sympify, symbols, free_symbols
+export simplify, expand, together, apart, factor, cancel
+export solve, dsolve, nsolve, linsolve, nonlinsolve, solveset
+export real_roots,  nroots # roots
+export sign #,degree
+export series, summation, hessian
+export subs, lambdify
+export ask, doit, rewrite
+export N
+export limit, diff, integrate, Differential, Heaviside
+export rhs, lhs
+export Wild #, cse
+export Permutation, PermutationGroup
+export ∨, ∧, ¬
+export 𝑄, 𝑆, Introspection
+
+export ↓, ↑
+
+# emacs and indent; this goes last
+import SymPyCore: Lt, ≪, Le, ≦, Eq, ⩵, Ne, ≶, ≷, Ge, ≫, Gt, ≧
+export  Lt, ≪, Le, ≦, Eq, ⩵, Ne, ≶, ≷, Ge, ≫, Gt, ≧
+
+
+
+# exported symbols and their python counterparts
+const _sympy_  = _pynull()
+const sympy = Sym(_sympy_)
+
+const _combinatorics_ = _pynull()
+const combinatorics = Sym(_combinatorics_)
+
+const _PI_ =_pynull()
+const PI = Sym(_PI_)
+
+const _E_ =_pynull()
+const E = Sym(_E_)
+
+const _IM_ =_pynull()
+const IM = Sym(_IM_)
+
+const _oo_ =_pynull()
+const oo = Sym(_oo_)
+
+const _zoo_ =_pynull()
+const zoo = Sym(_zoo_)
+
+Base.@deprecate_binding TRUE Sym(true)
+Base.@deprecate_binding FALSE Sym(false)
+
+const _𝑄_ = _pynull()
+const 𝑄 = Sym(_𝑄_)
+
+const _𝑆_ = _pynull()
+const 𝑆 = Sym(_𝑆_)
+
+# ugly, but needed to speed up python_connection
+const _pyset_ = _pynull()
+const _pytuple_ = _pynull()
+const _pylist_ = _pynull()
+const _pydict_ = _pynull()
+const _bool_ = _pynull()
+const _types_  = _pynull()
+const _ModuleType_ = _pynull()
+const _FiniteSet_ = _pynull()
+const _MutableDenseMatrix_ = _pynull()
+
+function __init__()
+
+    ## Define sympy, mpmath, ...
+    _copy!(_sympy_, _pyimport_conda("sympy", "sympy"))
+    _copy!(_combinatorics_, _pyimport_conda("sympy.combinatorics", "sympy"))
+
+    _copy!(_PI_, _sympy_.pi)
+    _copy!(_E_, _sympy_.E)
+    _copy!(_IM_, _sympy_.I)
+    _copy!(_oo_, _sympy_.oo)
+    _copy!(_zoo_, _sympy_.zoo)
+    _copy!(_𝑆_, _sympy_.S)
+    _copy!(_𝑄_, _sympy_.Q)
+
+    # ugly, avoids allocation in PyCall
+    _pybuiltin = PyCall.builtin  # <-- needed with 1.6 + SymPy
+    _copy!(_pyset_, getproperty(_pybuiltin, :set))
+    _copy!(_pytuple_, getproperty(_pybuiltin, :tuple))
+    _copy!(_pylist_, getproperty(_pybuiltin, :list))
+    _copy!(_pydict_, getproperty(_pybuiltin, :dict))
+    _copy!(_bool_, getproperty(_pybuiltin, :bool))
+    _copy!(_types_, _pyimport_conda("types", "types"))
+    _copy!(_ModuleType_, getproperty(_types_, :ModuleType))
+    _copy!(_FiniteSet_, _sympy_.FiniteSet)
+    _copy!(_MutableDenseMatrix_, _sympy_.MutableDenseMatrix)
+
+
+end
+
+
+# includes
+core_src_path = joinpath(pathof(SymPyCore), "../../src/SymPy")
+include(joinpath(core_src_path, "constructors_sympy.jl"))
+include(joinpath(core_src_path, "gen_methods_sympy.jl"))
+include(joinpath(core_src_path, "additional_methods_sympy.jl"))
+include(joinpath(core_src_path, "show_sympy.jl"))
+
 
 include("python_connection.jl")