8000 Allow setting of the python module file by bmello4688 · Pull Request #2044 · pythonnet/pythonnet · GitHub
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Allow setting of the python module file #2044

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Merged
merged 6 commits into from
Oct 16, 2023
Merged

Allow setting of the python module file #2044

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ca79ae9
Allo the setting of the python module file in order to create a virtu…
bmello4688 Dec 8, 2022
c03d024
add test
bmello4688 Dec 8, 2022
f66ae8a
fixed test
bmello4688 Dec 8, 2022
51fed4d
Handle nitpicks and keep 'ABI' stable
filmor Oct 16, 2023
ae0b760
Fix test
filmor Oct 16, 2023
b5ca9bf
Add test for the new parameter
filmor Oct 16, 2023
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70 changes: 63 additions & 7 deletions src/embed_tests/Modules.cs
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10000
Original file line number Diff line number Diff line change
Expand Up @@ -51,7 +51,7 @@ public void TestEval()
ps.Set("a", 1);
var result = ps.Eval<int>("a + 2");
Assert.AreEqual(3, result);
}
}
}

/// <summary>
Expand Down Expand Up @@ -169,6 +169,62 @@ public void TestScopeClass()
}
}

/// <summary>
/// Create a class in the scope, the class can read variables in the scope.
/// Its methods can write the variables with the help of 'global' keyword.
/// </summary>
[Test]
public void TestCreateVirtualPackageStructure()
{
using (Py.GIL())
{
using var _p1 = PyModule.FromString("test", "");
// Sub-module
using var _p2 = PyModule.FromString("test.scope",
"class Class1():\n" +
" def __init__(self, value):\n" +
" self.value = value\n" +
" def call(self, arg):\n" +
" return self.value + bb + arg\n" + // use scope variables
" def update(self, arg):\n" +
" global bb\n" +
" bb = self.value + arg\n", // update scope variable
"test"
);

dynamic ps2 = Py.Import("test.scope");
ps2.bb = 100;

dynamic obj1 = ps2.Class1(20);
var result = obj1.call(10).As<int>();
Assert.AreEqual(130, result);

obj1.update(10);
result = ps2.Get<int>("bb");
Assert.AreEqual(30, result);
}
}

/// <summary>
/// Test setting the file attribute via a FromString parameter
/// </summary>
[Test]
public void TestCreateModuleWithFilename()
{
using var _gil = Py.GIL();

using var mod = PyModule.FromString("mod", "");
using var modWithoutName = PyModule.FromString("mod_without_name", "", " ");
using var modNullName = PyModule.FromString("mod_null_name", "", null);

using var modWithName = PyModule.FromString("mod_with_name", "", "some_filename");

Assert.AreEqual("none", mod.Get<string>("__file__"));
Assert.AreEqual("none", modWithoutName.Get<string>("__file__"));
Assert.AreEqual("none", modNullName.Get<string>("__file__"));
Assert.AreEqual("some_filename", modWithName.Get<string>("__file__"));
}

/// <summary>
/// Import a python module into the session.
/// Equivalent to the Python "import" statement.
Expand All @@ -194,7 +250,7 @@ public void TestImportModule()
}

/// <summary>
/// Create a scope and import variables from a scope,
/// Create a scope and import variables from a scope,
/// exec Python statements in the scope then discard it.
/// </summary>
[Test]
Expand All @@ -218,7 +274,7 @@ public void TestImportScope()
}

/// <summary>
/// Create a scope and import variables from a scope,
/// Create a scope and import variables from a scope,
/// exec Python statements in the scope then discard it.
/// </summary>
[Test]
Expand All @@ -241,7 +297,7 @@ public void TestImportAllFromScope()
}

/// <summary>
/// Create a scope and import variables from a scope,
/// Create a scope and import variables from a scope,
/// call the function imported.
/// </summary>
[Test]
Expand Down Expand Up @@ -286,7 +342,7 @@ public void TestImportScopeFunction()
public void TestVariables()
{
using (Py.GIL())
{
{
(ps.Variables() as dynamic)["ee"] = new PyInt(200);
var a0 = ps.Get<int>("ee");
Assert.AreEqual(200, a0);
Expand Down Expand Up @@ -326,8 +382,8 @@ public void TestThread()
_ps.res = 0;
_ps.bb = 100;
_ps.th_cnt = 0;
//add function to the scope
//can be call many times, more efficient than ast
//add function to the scope
//can be call many times, more efficient than ast
ps.Exec(
"import threading\n"+
"lock = threading.Lock()\n"+
Expand Down
13 changes: 12 additions & 1 deletion src/runtime/PythonTypes/PyModule.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -82,7 +82,18 @@ public PyModule Reload()

public static PyModule FromString(string name, string code)
{
using NewReference c = Runtime.Py_CompileString(code, "none", (int)RunFlagType.File);
return FromString(name, code, "");
}

public static PyModule FromString(string name, string code, string file)
{
// Force valid value
if (string.IsNullOrWhiteSpace(file))
{
file = "none";
}

using NewReference c = Runtime.Py_CompileString(code, file, (int)RunFlagType.File);
NewReference m = Runtime.PyImport_ExecCodeModule(name, c.BorrowOrThrow());
return new PyModule(m.StealOrThrow());
}
Expand Down
0