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Title: Multiple class definitions in the same file raise error "invalid syntax" · Issue #257 · go-python/gpython · GitHub

Open Graph Title: Multiple class definitions in the same file raise error "invalid syntax" · Issue #257 · go-python/gpython

X Title: Multiple class definitions in the same file raise error "invalid syntax" · Issue #257 · go-python/gpython

Description: Hey, there. It seems like it's not possible to define multiple classes in a single Python file with py.RunSrc(), unless I'm misunderstanding something...? It works with py.RunFile(), though. Go: context := py.NewContext(py.DefaultContext...

Open Graph Description: Hey, there. It seems like it's not possible to define multiple classes in a single Python file with py.RunSrc(), unless I'm misunderstanding something...? It works with py.RunFile(), though. Go: co...

X Description: Hey, there. It seems like it's not possible to define multiple classes in a single Python file with py.RunSrc(), unless I'm misunderstanding something...? It works with py.RunFile(), though...

Opengraph URL: https://github.com/go-python/gpython/issues/257

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{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"Multiple class definitions in the same file raise error \"invalid syntax\"","articleBody":"Hey, there. It seems like it's not possible to define multiple classes in a single Python file with `py.RunSrc()`, unless I'm misunderstanding something...? It works with `py.RunFile()`, though.\n\nGo:\n```go\n\ncontext := py.NewContext(py.DefaultContextOpts())\n\ndata, _ := fs.ReadFile(g.FS, \"math_stuff.py\")\n\n_, err := py.RunSrc(context, string(data), \"run\", nil)\n\nlog.Println(err)\n\n```\n\n`math_stuff.py`\n```python\nclass A:\n    pass\n\n\nclass B:\n    pass\n```\n\nGives me the error:\n\n```\n2026/07/02 15:06:16\n  File \"run\", line 5, offset 5\n    class B:\n\n\nSyntaxError: 'invalid syntax'\n```\n\nI'm testing with the latest commit.","author":{"url":"https://github.com/SolarLune","@type":"Person","name":"SolarLune"},"datePublished":"2026-07-02T22:07:54.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":1},"url":"https://github.com/257/gpython/issues/257"}

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