Initial Query
I want to call some rust code from python on a linux machine. Specifically, I want to be able to run
python3 -c 'import magic; print(magic.do_add(3, 4))'
and have it give me the sum of these numbers. Here, do_add should be a rust function that adds two integers.
Please give me a complete set of instructions for how to make this run, so that when I run this code as-is it will work.
LLM Generation
Query
I want to call some rust code from python on a linux machine. Specifically, I want to be able to run
python3 -c 'import magic; print(magic.do_add(3, 4))'
and have it give me the sum of these numbers. Here, do_add should be a rust function that adds two integers.
Please give me a complete set of instructions for how to make this run, so that when I run this code as-is it will work.
Output
Sure, I can guide you through the process of creating a Rust library, compiling it to a shared object, and then using it in Python with the help of the `ctypes` library. Here are the steps:
1. **Install Rust and Python3:**
If you haven't already, you'll need to install Rust and Python3. For Rust, you can follow the instructions on the official website: https://www.rust-lang.org/tools/install. For Python3, you can usually install it through your package manager. On Ubuntu, for example, you'd use `sudo apt install python3`.
2. **Create a Rust library:**
Create a new directory for your project and navigate into it:
| mkdir rust-python-add
cd rust-python-add
|
Then, initialize a new Rust library with Cargo, Rust's package manager:
| cargo new --lib add_lib
cd add_lib
|
This will create a new Rust library named `add_lib`. Open the `src/lib.rs` file in your favorite text editor and replace its contents with the following:
| #[no_mangle]
pub extern "C" fn do_add(a: i32, b: i32) -> i32 {
a + b
}
|
The `#[no_mangle]` attribute ensures that the function's name isn't mangled, which is a process that encodes information in the function's name to assist with linking. The `extern "C"` attribute ensures that the function uses the C Application Binary Interface (ABI), which is necessary for interoperability with Python.
3. **Compile the Rust library to a shared object:**
You can compile the Rust library to a shared object, which is a type of file that can be loaded by Python, with the following command:
| cargo build --release --target=x86_64-unknown-linux-gnu --lib
|
This will create a new shared object named `librust_python_add.so` in the `target/x86_64-unknown-linux-gnu/release` directory.
4. **Create a Python script that uses the Rust library:**
Create a new Python script named `add.py` in the root of your project directory with the following contents:
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16 | import ctypes
# Load the Rust library
lib = ctypes.CDLL('./target/x86_64-unknown-linux-gnu/release/librust_python_add.so')
# Define the do_add function
lib.do_add.argtypes = [ctypes.c_int32, ctypes.c_int32]
lib.do_add.restype = ctypes.c_int32
def do_add(a, b):
return lib.do_add(a, b)
if __name__ == '__main__':
import sys
print(do_add(int(sys.argv[1]), int(sys.argv[2])))
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This script loads the Rust library with the help of the `ctypes` library, which is a foreign function library for Python. It then defines the `do_add` function, which is a Python wrapper around the Rust `do_add` function.
5. **Run the Python script:**
You can now run the Python script with the following command:
This should print `7`, which is the sum of `3` and `4`.
Please note that this is a basic example and might not cover all the edge cases. For a more robust solution, you might want to look into tools like `pyo3` which is specifically designed for creating Python bindings for Rust.
LLM Generation
Query
Now please conver this answer into a JSON array that packages it all up so I don't need to think and can just copy files to specific locations and then run things. Format your answer
{"path/to/file": "contents of rust file",
"path/to/python_file": "contents of any necessary python file that exposes do_add",
"build.sh": "contents of a bash file to build the project",
... # any other files necessary
}
The only thing I will do is put files in the right place and run `bash build.sh`. Do not give any explanation of the code. ONLY ANSWER WITH A SINGLE JSON OBJECT. Your answer should start
.
Output
| {
"rust-python-add/add_lib/src/lib.rs": "#[no_mangle]\npub extern \"C\" fn do_add(a: i32, b: i32) -> i32 {\n a + b\n}\n",
"rust-python-add/add.py": "import ctypes\n\n# Load the Rust library\nlib = ctypes.CDLL(' ./rust-python-add/target/x86_64-unknown-linux-gnu/release/librust_python_add.so')\n\n# Define the do_add function\nlib.do_add.argtypes = [ctypes.c_int32, ctypes.c_int32]\nlib.do_add.restype = ctypes.c_int32\n\ndef do_add(a, b):\n return lib.do_add(a, b)\n\nif __name__ == '__main__':\n import sys\n print(do_add(int(sys.argv[1]), int(sys.argv[2]))))\n",
"build.sh": "#!/bin/bash\n\nmkdir rust-python-add\ncd rust-python-add\n\ncargo new --lib add_lib\ncd add_lib\n\n# Compile the Rust library to a shared object\n\ncargo build --release --target=x86_64-unknown-linux-gnu --lib\n\ncd ..\n\n# Make the build script executable\nchmod +x build.sh\n\n"
}
|
Extract Json
I extracted the following JSON from that output:
| {
"rust-python-add/add_lib/src/lib.rs": "#[no_mangle]\npub extern \"C\" fn do_add(a: i32, b: i32) -> i32 {\n a + b\n}\n",
"rust-python-add/add.py": "import ctypes\n\n# Load the Rust library\nlib = ctypes.CDLL(' ./rust-python-add/target/x86_64-unknown-linux-gnu/release/librust_python_add.so')\n\n# Define the do_add function\nlib.do_add.argtypes = [ctypes.c_int32, ctypes.c_int32]\nlib.do_add.restype = ctypes.c_int32\n\ndef do_add(a, b):\n return lib.do_add(a, b)\n\nif __name__ == '__main__':\n import sys\n print(do_add(int(sys.argv[1]), int(sys.argv[2]))))\n",
"build.sh": "#!/bin/bash\n\nmkdir rust-python-add\ncd rust-python-add\n\ncargo new --lib add_lib\ncd add_lib\n\n# Compile the Rust library to a shared object\n\ncargo build --release --target=x86_64-unknown-linux-gnu --lib\n\ncd ..\n\n# Make the build script executable\nchmod +x build.sh\n\n"
}
|
UNKNOWN NODE TYPE:
PyFunc
final: False
mkdir: cannot create directory ‘rust-python-add’: File exists
Creating library `add_lib` package
error: destination `/usr/src/app/rust-python-add/add_lib` already exists
Use `cargo init` to initialize the directory
error: could not find `Cargo.toml` in `/usr/src/app/rust-python-add/add_lib` or any parent directory
chmod: cannot access 'build.sh': No such file or directory
Traceback (most recent call last):
File "<string>", line 1, in <module>
ModuleNotFoundError: No module named 'magic'
Resulting in output:
False
Initial Query
I want to call some rust code from python on a linux machine. Specifically, I want to be able to run
python3 -c 'import magic; print(magic.do_add(3, 4))'
and have it give me the sum of these numbers. Here, do_add should be a rust function that adds two integers.
Please give me a complete set of instructions for how to make this run, so that when I run this code as-is it will work.
LLM Generation
Query
I want to call some rust code from python on a linux machine. Specifically, I want to be able to run
python3 -c 'import magic; print(magic.do_add(3, 4))'
and have it give me the sum of these numbers. Here, do_add should be a rust function that adds two integers.
Please give me a complete set of instructions for how to make this run, so that when I run this code as-is it will work.
Output
Sure, I can guide you through the process of creating a Rust library, compiling it to a shared object, and then using it in Python with the help of the `ctypes` library. Here are the steps:
1. **Install Rust and Python3**: Make sure you have Rust and Python3 installed on your Linux machine. If not, you can install them using the package manager of your distribution.
2. **Create a Rust library**: Create a new Rust library by running the following command in your terminal:
| cargo new --lib magic
cd magic
|
This will create a new directory named `magic` with a Rust library.
3. **Define the Rust function**: Open the `src/lib.rs` file in your favorite text editor and replace its content with the following:
| #[no_mangle]
pub extern "C" fn do_add(a: i32, b: i32) -> i32 {
a + b
}
|
The `#[no_mangle]` attribute ensures that the name of the function in the compiled library will be `do_add`, and `extern "C"` is needed to use the function from C and C-compatible languages like Python.
4. **Compile the Rust library**: Compile the Rust library as a shared object by running the following command in your terminal:
| cargo build --release --shared-lib
|
This will create a `.so` file in the `target/release` directory.
5. **Create a Python script**: Create a new Python script named `main.py` in the `magic` directory with the following content:
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14 | import os
import sys
from ctypes import cdll
# Get the path of the shared library
lib_path = os.path.join(os.path.dirname(__file__), "target", "release", "librustmagic.so")
# Load the shared library
lib = cdll.LoadLibrary(lib_path)
# Call the Rust function
result = lib.do_add(3, 4)
print(result)
|
The `cdll.LoadLibrary` function is used to load the shared library, and then you can call the Rust function as a method of the `lib` object.
6. **Run the Python script**: Run the Python script by executing the following command in your terminal:
This should print `7`, the sum of `3` and `4`.
Please note that this approach is quite low-level and is not suitable for complex Rust-Python interactions. For more complex projects, you might want to look into tools like `pyo3` or `rust-cpython` that provide more high-level and safe APIs.
Also, the shared library name (`librustmagic.so`) is the default name that Cargo gives to the shared library. If you've changed the name of your library in the `Cargo.toml` file, you'll need to use the correct name in the Python script.
LLM Generation
Query
Now please conver this answer into a JSON array that packages it all up so I don't need to think and can just copy files to specific locations and then run things. Format your answer
{"path/to/file": "contents of rust file",
"path/to/python_file": "contents of any necessary python file that exposes do_add",
"build.sh": "contents of a bash file to build the project",
... # any other files necessary
}
The only thing I will do is put files in the right place and run `bash build.sh`. Do not give any explanation of the code. ONLY ANSWER WITH A SINGLE JSON OBJECT. Your answer should start
.
Output
| {
"magic/src/lib.rs": "#[no_mangle]\npub extern \"C\" fn do_add(a: i32, b: i32) -> i32 {\n a + b\n}\n",
"magic/main.py": "import os\nimport sys\nfrom ctypes import cdll\n\nlib_path = os.path.join(os.path.dirname(__file__), \"target\", \"release\", \"librustmagic.so\")\nlib = cdll.LoadLibrary(lib_path)\n\nresult = lib.do_add(3, 4)\nprint(result)\n",
"build.sh": "#!/bin/bash\n\ncd magic\n\ncargo build --release --shared-lib\n\npython3 main.py\n"
}
|
Extract Json
I extracted the following JSON from that output:
| {
"magic/src/lib.rs": "#[no_mangle]\npub extern \"C\" fn do_add(a: i32, b: i32) -> i32 {\n a + b\n}\n",
"magic/main.py": "import os\nimport sys\nfrom ctypes import cdll\n\nlib_path = os.path.join(os.path.dirname(__file__), \"target\", \"release\", \"librustmagic.so\")\nlib = cdll.LoadLibrary(lib_path)\n\nresult = lib.do_add(3, 4)\nprint(result)\n",
"build.sh": "#!/bin/bash\n\ncd magic\n\ncargo build --release --shared-lib\n\npython3 main.py\n"
}
|
UNKNOWN NODE TYPE:
PyFunc
final: False
error: unexpected argument '--shared-lib' found
Usage: cargo build --release
For more information, try '--help'.
Traceback (most recent call last):
File "/usr/src/app/magic/main.py", line 6, in <module>
lib = cdll.LoadLibrary(lib_path)
File "/usr/lib/python3.10/ctypes/__init__.py", line 452, in LoadLibrary
return self._dlltype(name)
File "/usr/lib/python3.10/ctypes/__init__.py", line 374, in __init__
self._handle = _dlopen(self._name, mode)
OSError: /usr/src/app/magic/target/release/librustmagic.so: cannot open shared object file: No such file or directory
Traceback (most recent call last):
File "<string>", line 1, in <module>
AttributeError: module 'magic' has no attribute 'do_add'
Resulting in output:
False
Initial Query
I want to call some rust code from python on a linux machine. Specifically, I want to be able to run
python3 -c 'import magic; print(magic.do_add(3, 4))'
and have it give me the sum of these numbers. Here, do_add should be a rust function that adds two integers.
Please give me a complete set of instructions for how to make this run, so that when I run this code as-is it will work.
LLM Generation
Query
I want to call some rust code from python on a linux machine. Specifically, I want to be able to run
python3 -c 'import magic; print(magic.do_add(3, 4))'
and have it give me the sum of these numbers. Here, do_add should be a rust function that adds two integers.
Please give me a complete set of instructions for how to make this run, so that when I run this code as-is it will work.
Output
To achieve this, you'll need to create a Rust library, a Python extension using CFFI, and then use the Python extension to call the Rust function. Here's a step-by-step guide:
1. **Install Rust and Cargo** (Skip this step if you have already installed it)
| curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh
|
This command will install the latest version of Rust and its package manager, Cargo.
2. **Install Python and CFFI** (Skip this step if you have already installed it)
Make sure you have Python 3 installed. You can install it using your system's package manager. For example, on Ubuntu:
| sudo apt-get install python3
|
Install CFFI (C Foreign Function Interface for Python) using pip:
3. **Create the Rust library**
Create a new Rust library using Cargo:
| cargo new --lib magic
cd magic
|
This will create a new directory called `magic` with the basic files for a Rust library.
Edit the `src/lib.rs` file to contain your Rust function:
| #[no_mangle]
pub extern "C" fn do_add(a: i32, b: i32) -> i32 {
a + b
}
|
The `#[no_mangle]` attribute is required to ensure that the function name does not get mangled, and `extern "C"` is used to ensure that the function uses the C ABI (Application Binary Interface).
4. **Build the Rust library**
Build the Rust library using Cargo:
This will create a `.so` file (the Rust library) in the `target/release` directory.
5. **Create the Python extension**
In the `magic` directory, create a new Python file `magic.py`:
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15 | from cffi import FFI
ffi = FFI()
# Include the Rust header file we just wrote as a string.
ffi.cdef("""
int32_t do_add(int32_t a, int32_t b);
""")
# Load the Rust library.
lib = ffi.dlopen("/path/to/magic/target/release/libmagic.so")
# Define Python functions that call the Rust functions.
def do_add(a, b):
return lib.do_add(a, b)
|
Make sure to replace `/path/to/magic` with the actual path to the `magic` directory.
6. **Test the Python extension**
You can now test the Python extension:
| python3 -c 'import magic; print(magic.do_add(3, 4))'
|
This should print `7`, the sum of `3` and `4`.
LLM Generation
Query
Now please conver this answer into a JSON array that packages it all up so I don't need to think and can just copy files to specific locations and then run things. Format your answer
{"path/to/file": "contents of rust file",
"path/to/python_file": "contents of any necessary python file that exposes do_add",
"build.sh": "contents of a bash file to build the project",
... # any other files necessary
}
The only thing I will do is put files in the right place and run `bash build.sh`. Do not give any explanation of the code. ONLY ANSWER WITH A SINGLE JSON OBJECT. Your answer should start
.
Output
| {
"magic/src/lib.rs": "#[no_mangle]\npub extern \"C\" fn do_add(a: i32, b: i32) -> i32 {\n a + b\n}\n",
"magic/magic.py": "from cffi import FFI\n\nffi = FFI()\n\n# Include the Rust header file we just wrote as a string.\nffi.cdef(\"\"\"\n int32_t do_add(int32_t a, int32_t b);\n\"\"\")\n\n# Load the Rust library.\nlib = ffi.dlopen(\"./target/release/libmagic.so\")\n\n# Define Python functions that call the Rust functions.\ndef do_add(a, b):\n return lib.do_add(a, b)\n",
"build.sh": "#!/bin/bash\n\ncargo install --git https://github.com/rust-lang-nursery/rust-cargo-c.git\n\ncargo new --lib magic\n\ncd magic\n\ncargo build --release\n\npython3 -c 'import magic; print(magic.do_add(3, 4))'"
}
|
Extract Json
I extracted the following JSON from that output:
| {
"magic/src/lib.rs": "#[no_mangle]\npub extern \"C\" fn do_add(a: i32, b: i32) -> i32 {\n a + b\n}\n",
"magic/magic.py": "from cffi import FFI\n\nffi = FFI()\n\n# Include the Rust header file we just wrote as a string.\nffi.cdef(\"\"\"\n int32_t do_add(int32_t a, int32_t b);\n\"\"\")\n\n# Load the Rust library.\nlib = ffi.dlopen(\"./target/release/libmagic.so\")\n\n# Define Python functions that call the Rust functions.\ndef do_add(a, b):\n return lib.do_add(a, b)\n",
"build.sh": "#!/bin/bash\n\ncargo install --git https://github.com/rust-lang-nursery/rust-cargo-c.git\n\ncargo new --lib magic\n\ncd magic\n\ncargo build --release\n\npython3 -c 'import magic; print(magic.do_add(3, 4))'"
}
|
UNKNOWN NODE TYPE:
PyFunc
final: False
Updating git repository `https://github.com/rust-lang-nursery/rust-cargo-c.git`
error: failed to fetch into: /root/.cargo/git/db/rust-cargo-c-18efafa6181000bd
Caused by:
failed to authenticate when downloading repository
* attempted to find username/password via git's `credential.helper` support, but failed
if the git CLI succeeds then `net.git-fetch-with-cli` may help here
https://doc.rust-lang.org/cargo/reference/config.html#netgit-fetch-with-cli
Caused by:
failed to acquire username/password from local configuration
Creating library `magic` package
error: destination `/usr/src/app/magic` already exists
Use `cargo init` to initialize the directory
error: could not find `Cargo.toml` in `/usr/src/app/magic` or any parent directory
Traceback (most recent call last):
File "<string>", line 1, in <module>
File "/usr/src/app/magic/magic.py", line 1, in <module>
from cffi import FFI
ModuleNotFoundError: No module named 'cffi'
Traceback (most recent call last):
File "<string>", line 1, in <module>
AttributeError: module 'magic' has no attribute 'do_add'
Resulting in output:
False
Initial Query
I want to call some rust code from python on a linux machine. Specifically, I want to be able to run
python3 -c 'import magic; print(magic.do_add(3, 4))'
and have it give me the sum of these numbers. Here, do_add should be a rust function that adds two integers.
Please give me a complete set of instructions for how to make this run, so that when I run this code as-is it will work.
LLM Generation
Query
I want to call some rust code from python on a linux machine. Specifically, I want to be able to run
python3 -c 'import magic; print(magic.do_add(3, 4))'
and have it give me the sum of these numbers. Here, do_add should be a rust function that adds two integers.
Please give me a complete set of instructions for how to make this run, so that when I run this code as-is it will work.
Output
Sure, I can guide you through the process of calling Rust code from Python. We'll be using the `pyo3` crate to create a Python extension module in Rust, and then we'll use that module in Python.
Here are the steps:
1. **Install Rust and PyO3:**
If you haven't already, install Rust by following the instructions on the [official website](https://www.rust-lang.org/tools/install).
Next, install PyO3 and its build dependencies. PyO3 is a Rust library for creating Python bindings. You can add it to your Rust project by including it in your `Cargo.toml` file. But first, you need to install it and its build dependencies. On a Linux machine, you can do this with the following commands:
| sudo apt-get install python3-dev
cargo install cargo-pyo3
|
2. **Create a new Rust project:**
Navigate to the directory where you want to create your Rust project and run the following command:
| cargo new magic --bin
cd magic
|
This will create a new Rust project named "magic" and navigate into the project directory.
3. **Modify the Cargo.toml file:**
Open the `Cargo.toml` file in a text editor and replace its contents with the following:
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16 | [package]
name = "magic"
version = "0.1.0"
authors = ["Your Name <you@example.com>"]
edition = "2018"
[lib]
name = "magic"
crate-type = ["cdylib"]
[dependencies]
pyo3 = { version = "0.14.5", features = ["extension-module"] }
[[package.metadata.cargo-pyo3]]]
name = "magic"
|
This sets up your Rust project to build a Python extension module.
4. **Write the Rust code:**
Replace the contents of the `src/main.rs` file with the following:
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13 | use pyo3::prelude::*;
#[pyfunction]
fn do_add(a: i32, b: i32) -> i32 {
a + b
}
#[pymodule]
fn magic(_py: Python, m: &PyModule) -> PyResult<()> {
m.add_wrapped(wrap_pyfunction!(do_add)))?;
Ok(())
}
|
This Rust code defines a function `do_add` that adds two integers, and then sets up a Python module named "magic" that has a function `do_add` which calls the Rust function.
5. **Build the Rust project:**
Run the following command in the project directory to build the Rust project:
This will build your Rust code into a Python extension module.
6. **Use the Python extension module:**
You can now use the Python extension module in Python. The module will be located in the `target/pyo3/so` directory. To use it, you need to set the `PYTHONPATH` environment variable to include this directory. For example:
| export PYTHONPATH=$PYTHONPATH:/path/to/magic/target/pyo3/so
|
Replace `/path/to/magic` with the actual path to your Rust project.
You can now run your Python command:
| python3 -c 'import magic; print(magic.do_add(3, 4))'
|
This should print `7`, the sum of `3` and `4`.
LLM Generation
Query
Now please conver this answer into a JSON array that packages it all up so I don't need to think and can just copy files to specific locations and then run things. Format your answer
{"path/to/file": "contents of rust file",
"path/to/python_file": "contents of any necessary python file that exposes do_add",
"build.sh": "contents of a bash file to build the project",
... # any other files necessary
}
The only thing I will do is put files in the right place and run `bash build.sh`. Do not give any explanation of the code. ONLY ANSWER WITH A SINGLE JSON OBJECT. Your answer should start
.
Output
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38 | {
"Cargo.toml": "
[package]
name = \"magic\"
version = \"0.1.0\"
authors = [\"Your Name <you@example.com>\"]
edition = \"2018\"
[lib]
name = \"magic\"
crate-type = [\"cdylib\"]
[dependencies]
pyo3 = { version = \"0.14.5\", features = [\"extension-module\"] }
[[package.metadata.cargo-pyo3]]]
name = \"magic\"
",
"src/main.rs": "
use pyo3::prelude::*;
#[pyfunction]
fn do_add(a: i32, b: i32) -> i32 {
a + b
}
#[pymodule]
fn magic(_py: Python, m: &PyModule) -> PyResult<()> {
m.add_wrapped(wrap_pyfunction!(do_add)))?;
Ok(())
}
",
"build.sh": "#/bin/bash
cargo pyo3 build
export PYTHONPATH=$PYTHONPATH:$(pwd)/target/pyo3/so
python3 -c 'import magic; print(magic.do_add(3, 4))'
"
}
|
This JSON object contains the contents of the `Cargo.toml` file, the `src/main.rs` file, and the `build.sh` file. The `build.sh` script will build the Rust project, set the `PYTHONPATH` environment variable to include the directory containing the Python extension module, and then run the Python command to test the module.
Extract Json
I extracted the following JSON from that output:
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38 | {
"Cargo.toml": "
[package]
name = \"magic\"
version = \"0.1.0\"
authors = [\"Your Name <you@example.com>\"]
edition = \"2018\"
[lib]
name = \"magic\"
crate-type = [\"cdylib\"]
[dependencies]
pyo3 = { version = \"0.14.5\", features = [\"extension-module\"] }
[[package.metadata.cargo-pyo3]]]
name = \"magic\"
",
"src/main.rs": "
use pyo3::prelude::*;
#[pyfunction]
fn do_add(a: i32, b: i32) -> i32 {
a + b
}
#[pymodule]
fn magic(_py: Python, m: &PyModule) -> PyResult<()> {
m.add_wrapped(wrap_pyfunction!(do_add)))?;
Ok(())
}
",
"build.sh": "#/bin/bash
cargo pyo3 build
export PYTHONPATH=$PYTHONPATH:$(pwd)/target/pyo3/so
python3 -c 'import magic; print(magic.do_add(3, 4))'
"
}
|
UNKNOWN NODE TYPE:
PyFunc
final: False
bash: build.sh: No such file or directory
Traceback (most recent call last):
File "<string>", line 1, in <module>
ModuleNotFoundError: No module named 'magic'
Resulting in output:
False
Initial Query
I want to call some rust code from python on a linux machine. Specifically, I want to be able to run
python3 -c 'import magic; print(magic.do_add(3, 4))'
and have it give me the sum of these numbers. Here, do_add should be a rust function that adds two integers.
Please give me a complete set of instructions for how to make this run, so that when I run this code as-is it will work.
LLM Generation
Query
I want to call some rust code from python on a linux machine. Specifically, I want to be able to run
python3 -c 'import magic; print(magic.do_add(3, 4))'
and have it give me the sum of these numbers. Here, do_add should be a rust function that adds two integers.
Please give me a complete set of instructions for how to make this run, so that when I run this code as-is it will work.
Output
To achieve this, you'll need to create a Rust library, a Python extension using Cython, and then use this extension in your Python code. Here's a step-by-step guide:
1. **Install the necessary tools:**
Make sure you have the following tools installed:
- Rust: `curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh`
- Python 3: `sudo apt install python3`
- Cython: `pip3 install Cython`
- Setuptools: `pip3 install setuptools`
2. **Create the Rust library:**
Create a new directory for your project and navigate to it:
| mkdir rust_python_add
cd rust_python_add
|
Create a new Rust file named `add.rs` and add the following code:
| #[no_mangle]
pub extern "C" fn do_add(a: i32, b: i32) -> i32 {
a + b
}
|
Compile the Rust library as a shared object:
| rustc --crate-type=cdylib add.rs -o add.so
|
3. **Create the Python extension with Cython:**
Create a new Cython file named `py_add.pyx` and add the following code:
| cdef extern from "add.so" nogil:
int do_add(int a, int b)
def py_do_add(a, b):
return do_add(a, b)
|
Create a new setup file named `setup.py` and add the following code:
| from setuptools import setup
from Cython.Build import cythonize
setup(
ext_modules=cythonize("py_add.pyx")
)
|
Build the Python extension:
| python3 setup.py build_ext --inplace
|
4. **Use the Python extension:**
You can now import the `py_do_add` function from the `py_add` module and use it in your Python code. To run your example command, create a new Python file named `main.py` and add the following code:
| from py_add import py_do_add
if __name__ == "__main__":
print(py_do_add(3, 4))
|
Run the Python script:
This should output `7`, the sum of `3` and `4`.
Now, when you want to use the `do_add` function from Rust in your Python code, you can simply import the `py_do_add` function from the `py_add` module.
LLM Generation
Query
Now please conver this answer into a JSON array that packages it all up so I don't need to think and can just copy files to specific locations and then run things. Format your answer
{"path/to/file": "contents of rust file",
"path/to/python_file": "contents of any necessary python file that exposes do_add",
"build.sh": "contents of a bash file to build the project",
... # any other files necessary
}
The only thing I will do is put files in the right place and run `bash build.sh`. Do not give any explanation of the code. ONLY ANSWER WITH A SINGLE JSON OBJECT. Your answer should start
.
Output
| {
"rust_python_add/add.rs": "#[no_mangle]\npub extern \"C\" fn do_add(a: i32, b: i32) -> i32 {\n a + b\n}\n",
"rust_python_add/py_add.pyx": "cdef extern from \"add.so\" nogil:\n int do_add(int a, int b)\n\ndef py_do_add(a, b):\n return do_add(a, b)\n",
"rust_python_add/setup.py": "from setuptools import setup\nfrom Cython.Build import cythonize\n\nsetup(\n ext_modules=cythonize(\"py_add.pyx\"))\n)\n",
"rust_python_add/main.py": "from py_add import py_do_add\n\nif __name__ == \"__main__:\":\n print(py_do_add(3, 4))\n",
"build.sh": "#!/bin/bash\n\ncd rust_python_add\n\ncurl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh -s -- -y\nsource $HOME/.cargo/env\n\nrustc --crate-type=cdylib add.rs -o add.so\n\npython3 -m venv venv\nsource venv/bin/activate\n\npip3 install Cython\n\npip3 install setuptools\n\npython3 setup.py build_ext --inplace\n\npython3 main.py\n"
}
|
Extract Json
I extracted the following JSON from that output:
| {
"rust_python_add/add.rs": "#[no_mangle]\npub extern \"C\" fn do_add(a: i32, b: i32) -> i32 {\n a + b\n}\n",
"rust_python_add/py_add.pyx": "cdef extern from \"add.so\" nogil:\n int do_add(int a, int b)\n\ndef py_do_add(a, b):\n return do_add(a, b)\n",
"rust_python_add/setup.py": "from setuptools import setup\nfrom Cython.Build import cythonize\n\nsetup(\n ext_modules=cythonize(\"py_add.pyx\"))\n)\n",
"rust_python_add/main.py": "from py_add import py_do_add\n\nif __name__ == \"__main__:\":\n print(py_do_add(3, 4))\n",
"build.sh": "#!/bin/bash\n\ncd rust_python_add\n\ncurl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh -s -- -y\nsource $HOME/.cargo/env\n\nrustc --crate-type=cdylib add.rs -o add.so\n\npython3 -m venv venv\nsource venv/bin/activate\n\npip3 install Cython\n\npip3 install setuptools\n\npython3 setup.py build_ext --inplace\n\npython3 main.py\n"
}
|
UNKNOWN NODE TYPE:
PyFunc
final: False
info: downloading installer
info: profile set to 'default'
info: default host triple is x86_64-unknown-linux-gnu
warning: Updating existing toolchain, profile choice will be ignored
info: syncing channel updates for 'stable-x86_64-unknown-linux-gnu'
info: default toolchain set to 'stable-x86_64-unknown-linux-gnu'
build.sh: line 11: venv/bin/activate: No such file or directory
WARNING: Running pip as the 'root' user can result in broken permissions and conflicting behaviour with the system package manager. It is recommended to use a virtual environment instead: https://pip.pypa.io/warnings/venv
WARNING: Running pip as the 'root' user can result in broken permissions and conflicting behaviour with the system package manager. It is recommended to use a virtual environment instead: https://pip.pypa.io/warnings/venv
File "/usr/src/app/rust_python_add/setup.py", line 6
)
^
SyntaxError: unmatched ')'
Traceback (most recent call last):
File "/usr/src/app/rust_python_add/main.py", line 1, in <module>
from py_add import py_do_add
ModuleNotFoundError: No module named 'py_add'
Traceback (most recent call last):
File "<string>", line 1, in <module>
ModuleNotFoundError: No module named 'magic'
Resulting in output:
False