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feature: add musllinux armv7l
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‎README.md‎

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@@ -22,20 +22,20 @@ Python wheels are great. Building them across **Mac, Linux, Windows**, on **mult
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What does it do?
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----------------
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| | macOS Intel | macOS Apple Silicon | Windows 64bit | Windows 32bit | Windows Arm64 | manylinux<br/>musllinux x86_64 | manylinux<br/>musllinux i686 | manylinux<br/>musllinux aarch64 | manylinux<br/>musllinux ppc64le | manylinux<br/>musllinux s390x | Pyodide |
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|----------------|----|-----|-----|-----|-----|----|-----|----|-----|-----|-----|
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| CPython 3.6 | ✅ | N/A | ✅ | ✅ | N/A | ✅ | ✅ | ✅ | ✅ | ✅ | N/A |
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| CPython 3.7 | ✅ | N/A | ✅ | ✅ | N/A | ✅ | ✅ | ✅ | ✅ | ✅ | N/A |
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| CPython 3.8 | ✅ | ✅ | ✅ | ✅ | N/A | ✅ | ✅ | ✅ | ✅ | ✅ | N/A |
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| CPython 3.9 | ✅ | ✅ | ✅ | ✅ | ✅² | ✅ | ✅ | ✅ | ✅ | ✅ | N/A |
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| CPython 3.10 | ✅ | ✅ | ✅ | ✅ | ✅² | ✅ | ✅ | ✅ | ✅ | ✅ | N/A |
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| CPython 3.11 | ✅ | ✅ | ✅ | ✅ | ✅² | ✅ | ✅ | ✅ | ✅ | ✅ | N/A |
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| CPython 3.12 | ✅ | ✅ | ✅ | ✅ | ✅² | ✅ | ✅ | ✅ | ✅ | ✅ | ✅⁴ |
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| CPython 3.13³ | ✅ | ✅ | ✅ | ✅ | ✅² | ✅ | ✅ | ✅ | ✅ | ✅ | N/A |
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| PyPy 3.7 v7.3 | ✅ | N/A | ✅ | N/A | N/A | ✅¹ | ✅¹ | ✅¹ | N/A | N/A | N/A |
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| PyPy 3.8 v7.3 | ✅ | ✅ | ✅ | N/A | N/A | ✅¹ | ✅¹ | ✅¹ | N/A | N/A | N/A |
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| PyPy 3.9 v7.3 | ✅ | ✅ | ✅ | N/A | N/A | ✅¹ | ✅¹ | ✅¹ | N/A | N/A | N/A |
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| PyPy 3.10 v7.3 | ✅ | ✅ | ✅ | N/A | N/A | ✅¹ | ✅¹ | ✅¹ | N/A | N/A | N/A |
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| | macOS Intel | macOS Apple Silicon | Windows 64bit | Windows 32bit | Windows Arm64 | manylinux<br/>musllinux x86_64 | manylinux<br/>musllinux i686 | manylinux<br/>musllinux aarch64 | manylinux<br/>musllinux ppc64le | manylinux<br/>musllinux s390x | musllinux armv7l | Pyodide |
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|----------------|----|-----|-----|-----|-----|----|-----|----|-----|-----|---|-----|
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| CPython 3.6 | ✅ | N/A | ✅ | ✅ | N/A | ✅ | ✅ | ✅ | ✅ | ✅ | ✅ | N/A |
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| CPython 3.7 | ✅ | N/A | ✅ | ✅ | N/A | ✅ | ✅ | ✅ | ✅ | ✅ | ✅ | N/A |
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| CPython 3.8 | ✅ | ✅ | ✅ | ✅ | N/A | ✅ | ✅ | ✅ | ✅ | ✅ | ✅ | N/A |
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| CPython 3.9 | ✅ | ✅ | ✅ | ✅ | ✅² | ✅ | ✅ | ✅ | ✅ | ✅ | ✅ | N/A |
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| CPython 3.10 | ✅ | ✅ | ✅ | ✅ | ✅² | ✅ | ✅ | ✅ | ✅ | ✅ | ✅ | N/A |
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| CPython 3.11 | ✅ | ✅ | ✅ | ✅ | ✅² | ✅ | ✅ | ✅ | ✅ | ✅ | ✅ | N/A |
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| CPython 3.12 | ✅ | ✅ | ✅ | ✅ | ✅² | ✅ | ✅ | ✅ | ✅ | ✅ | ✅ | ✅⁴ |
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| CPython 3.13³ | ✅ | ✅ | ✅ | ✅ | ✅² | ✅ | ✅ | ✅ | ✅ | ✅ | ✅ | N/A |
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| PyPy 3.7 v7.3 | ✅ | N/A | ✅ | N/A | N/A | ✅¹ | ✅¹ | ✅¹ | N/A | N/A | N/A | N/A |
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| PyPy 3.8 v7.3 | ✅ | ✅ | ✅ | N/A | N/A | ✅¹ | ✅¹ | ✅¹ | N/A | N/A | N/A | N/A |
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| PyPy 3.9 v7.3 | ✅ | ✅ | ✅ | N/A | N/A | ✅¹ | ✅¹ | ✅¹ | N/A | N/A | N/A | N/A |
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| PyPy 3.10 v7.3 | ✅ | ✅ | ✅ | N/A | N/A | ✅¹ | ✅¹ | ✅¹ | N/A | N/A | N/A | N/A |
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<sup>¹ PyPy is only supported for manylinux wheels.</sup><br>
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<sup>² Windows arm64 support is experimental.</sup><br>

‎bin/generate_schema.py‎

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@@ -137,6 +137,9 @@
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musllinux-aarch64-image:
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type: string
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description: Specify alternative manylinux / musllinux container images
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musllinux-armv7l-image:
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type: string
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description: Specify alternative manylinux / musllinux container images
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musllinux-i686-image:
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type: string
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description: Specify alternative manylinux / musllinux container images

‎bin/update_docker.py‎

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@@ -65,6 +65,7 @@ class Image:
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Image("musllinux_1_2", "aarch64", "quay.io/pypa/musllinux_1_2_aarch64", None),
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Image("musllinux_1_2", "ppc64le", "quay.io/pypa/musllinux_1_2_ppc64le", None),
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Image("musllinux_1_2", "s390x", "quay.io/pypa/musllinux_1_2_s390x", None),
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Image("musllinux_1_2", "armv7l", "quay.io/pypa/musllinux_1_2_armv7l", None),
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]
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config = configparser.ConfigParser()

‎cibuildwheel/architecture.py‎

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@@ -37,6 +37,7 @@ class Architecture(Enum):
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aarch64 = "aarch64"
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ppc64le = "ppc64le"
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s390x = "s390x"
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armv7l = "armv7l"
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# mac archs
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universal2 = "universal2"
@@ -132,6 +133,7 @@ def all_archs(platform: PlatformName) -> set[Architecture]:
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Architecture.aarch64,
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Architecture.ppc64le,
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Architecture.s390x,
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Architecture.armv7l,
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},
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"macos": {Architecture.x86_64, Architecture.arm64, Architecture.universal2},
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"windows": {Architecture.x86, Architecture.AMD64, Architecture.ARM64},
@@ -140,17 +142,15 @@ def all_archs(platform: PlatformName) -> set[Architecture]:
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return all_archs_map[platform]
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@staticmethod
143-
# pylint: disable-next=inconsistent-return-statements
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def bitness_archs(platform: PlatformName, bitness: Literal["64", "32"]) -> set[Architecture]:
145-
archs_32 = {Architecture.i686, Architecture.x86}
146+
archs_32 = {Architecture.i686, Architecture.x86, Architecture.armv7l}
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auto_archs = Architecture.auto_archs(platform)
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148149
if bitness == "64":
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return auto_archs - archs_32
150-
elif bitness == "32":
151+
if bitness == "32":
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return auto_archs & archs_32
152-
else:
153-
assert_never(bitness)
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assert_never(bitness)
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def allowed_architectures_check(

‎cibuildwheel/linux.py‎

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@@ -35,6 +35,7 @@
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Architecture.aarch64: OCIPlatform.ARM64,
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Architecture.ppc64le: OCIPlatform.PPC64LE,
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Architecture.s390x: OCIPlatform.S390X,
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Architecture.armv7l: OCIPlatform.ARMV7,
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}
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‎cibuildwheel/logger.py‎

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@@ -27,7 +27,8 @@
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"musllinux_i686": "musllinux i686",
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"musllinux_aarch64": "musllinux aarch64",
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"musllinux_ppc64le": "musllinux ppc64le",
30-
"musllinux_s390x": "manylinux s390x",
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"musllinux_s390x": "musllinux s390x",
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"musllinux_armv7l": "musllinux armv7l",
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"win32": "Windows 32bit",
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"win_amd64": "Windows 64bit",
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"win_arm64": "Windows on ARM 64bit",

‎cibuildwheel/oci_container.py‎

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@@ -38,6 +38,7 @@
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class OCIPlatform(Enum):
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i386 = "linux/386"
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AMD64 = "linux/amd64"
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ARMV7 = "linux/arm/v7"
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ARM64 = "linux/arm64"
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PPC64LE = "linux/ppc64le"
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S390X = "linux/s390x"
@@ -215,7 +216,7 @@ def __enter__(self) -> Self:
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platform_args = self._get_platform_args()
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217218
simulate_32_bit = False
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if self.oci_platform == OCIPlatform.i386:
219+
if self.oci_platform in {OCIPlatform.i386, OCIPlatform.ARMV7}:
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# If the architecture running the image is already the right one
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# or the image entrypoint takes care of enforcing this, then we don't need to
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# simulate this
@@ -226,13 +227,14 @@ def __enter__(self) -> Self:
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*run_cmd, *platform_args, self.image, *ctr_cmd, capture_stdout=True
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).strip()
228229
except subprocess.CalledProcessError:
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# The image might have been built with amd64 architecture
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# Let's try that
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platform_args = self._get_platform_args(oci_platform=OCIPlatform.AMD64)
232-
container_machine = call(
233-
*run_cmd, *platform_args, self.image, *ctr_cmd, capture_stdout=True
234-
).strip()
235-
simulate_32_bit = container_machine != "i686"
230+
if self.oci_platform == OCIPlatform.i386:
231+
# The image might have been built with amd64 architecture
232+
# Let's try that
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platform_args = self._get_platform_args(oci_platform=OCIPlatform.AMD64)
234+
container_machine = call(
235+
*run_cmd, *platform_args, self.image, *ctr_cmd, capture_stdout=True
236+
).strip()
237+
simulate_32_bit = container_machine not in {"i686", "armv7l", "armv8l"}
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shell_args = ["linux32", "/bin/bash"] if simulate_32_bit else ["/bin/bash"]
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‎cibuildwheel/resources/build-platforms.toml‎

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@@ -102,6 +102,15 @@ python_configurations = [
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{ identifier = "cp312-musllinux_s390x", version = "3.12", path_str = "/opt/python/cp312-cp312" },
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{ identifier = "cp313-musllinux_s390x", version = "3.13", path_str = "/opt/python/cp313-cp313" },
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{ identifier = "cp313t-musllinux_s390x", version = "3.13", path_str = "/opt/python/cp313-cp313t" },
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{ identifier = "cp36-musllinux_armv7l", version = "3.6", path_str = "/opt/python/cp36-cp36m" },
106+
{ identifier = "cp37-musllinux_armv7l", version = "3.7", path_str = "/opt/python/cp37-cp37m" },
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{ identifier = "cp38-musllinux_armv7l", version = "3.8", path_str = "/opt/python/cp38-cp38" },
108+
{ identifier = "cp39-musllinux_armv7l", version = "3.9", path_str = "/opt/python/cp39-cp39" },
109+
{ identifier = "cp310-musllinux_armv7l", version = "3.10", path_str = "/opt/python/cp310-cp310" },
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{ identifier = "cp311-musllinux_armv7l", version = "3.11", path_str = "/opt/python/cp311-cp311" },
111+
{ identifier = "cp312-musllinux_armv7l", version = "3.12", path_str = "/opt/python/cp312-cp312" },
112+
{ identifier = "cp313-musllinux_armv7l", version = "3.13", path_str = "/opt/python/cp313-cp313" },
113+
{ identifier = "cp313t-musllinux_armv7l", version = "3.13", path_str = "/opt/python/cp313-cp313t" },
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]
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[macos]

‎cibuildwheel/resources/cibuildwheel.schema.json‎

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@@ -312,6 +312,11 @@
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"description": "Specify alternative manylinux / musllinux container images",
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"title": "CIBW_MUSLLINUX_AARCH64_IMAGE"
314314
},
315+
"musllinux-armv7l-image": {
316+
"type": "string",
317+
"description": "Specify alternative manylinux / musllinux container images",
318+
"title": "CIBW_MUSLLINUX_ARMV7L_IMAGE"
319+
},
315320
"musllinux-i686-image": {
316321
"type": "string",
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"description": "Specify alternative manylinux / musllinux container images",
@@ -542,6 +547,9 @@
542547
"musllinux-aarch64-image": {
543548
"$ref": "#/properties/musllinux-aarch64-image"
544549
},
550+
"musllinux-armv7l-image": {
551+
"$ref": "#/properties/musllinux-armv7l-image"
552+
},
545553
"musllinux-i686-image": {
546554
"$ref": "#/properties/musllinux-i686-image"
547555
},
@@ -630,6 +638,9 @@
630638
"musllinux-aarch64-image": {
631639
"$ref": "#/properties/musllinux-aarch64-image"
632640
},
641+
"musllinux-armv7l-image": {
642+
"$ref": "#/properties/musllinux-armv7l-image"
643+
},
633644
"musllinux-i686-image": {
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"$ref": "#/properties/musllinux-i686-image"
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},

‎cibuildwheel/resources/defaults.toml‎

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@@ -37,6 +37,7 @@ musllinux-i686-image = "musllinux_1_2"
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musllinux-aarch64-image = "musllinux_1_2"
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musllinux-ppc64le-image = "musllinux_1_2"
3939
musllinux-s390x-image = "musllinux_1_2"
40+
musllinux-armv7l-image = "musllinux_1_2"
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[tool.cibuildwheel.linux]

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