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chore: import upstream snapshot with attribution
2026-07-13 13:17:32 +08:00

713 lines
26 KiB
Python

import os
import shutil
import tempfile
from contextlib import contextmanager
from pathlib import Path
from unittest.mock import patch
import httpx
import numpy as np
import pytest
from PIL import Image, ImageCms
from pydantic import BaseModel
from pydub import AudioSegment
import gradio as gr
from gradio import components, data_classes, processing_utils, utils
from gradio._vendor import ffmpy
from gradio.context import LocalContext
from gradio.exceptions import InvalidPathError
from gradio.route_utils import API_PREFIX
class TestTempFileManagement:
def test_hash_file(self):
from gradio.media import get_image
h1 = processing_utils.hash_file(get_image("cheetah1.jpg"))
h2 = processing_utils.hash_file(get_image("cheetah1.jpg"))
h3 = processing_utils.hash_file("gradio/test_data/cheetah2.jpg")
assert h1 == h2
assert h1 != h3
def test_make_temp_copy_if_needed(self, gradio_temp_dir):
from gradio.media import get_image
cheetah_path = get_image("cheetah1.jpg")
f = processing_utils.save_file_to_cache(cheetah_path, cache_dir=gradio_temp_dir)
try: # Delete if already exists from before this test
os.remove(f)
except OSError:
pass
f = processing_utils.save_file_to_cache(cheetah_path, cache_dir=gradio_temp_dir)
assert len([f for f in gradio_temp_dir.glob("**/*") if f.is_file()]) == 1
assert Path(f).name == "cheetah1.jpg"
f = processing_utils.save_file_to_cache(cheetah_path, cache_dir=gradio_temp_dir)
assert len([f for f in gradio_temp_dir.glob("**/*") if f.is_file()]) == 1
f = processing_utils.save_file_to_cache(
"gradio/test_data/cheetah1-copy.jpg", cache_dir=gradio_temp_dir
)
assert len([f for f in gradio_temp_dir.glob("**/*") if f.is_file()]) == 2
assert Path(f).name == "cheetah1-copy.jpg"
def test_save_b64_to_cache(self, gradio_temp_dir, media_data):
base64_file_1 = media_data.BASE64_IMAGE
base64_file_2 = media_data.BASE64_AUDIO["data"]
f = processing_utils.save_base64_to_cache(
base64_file_1, cache_dir=gradio_temp_dir
)
try: # Delete if already exists from before this test
os.remove(f)
except OSError:
pass
f = processing_utils.save_base64_to_cache(
base64_file_1, cache_dir=gradio_temp_dir
)
assert len([f for f in gradio_temp_dir.glob("**/*") if f.is_file()]) == 1
f = processing_utils.save_base64_to_cache(
base64_file_1, cache_dir=gradio_temp_dir
)
assert len([f for f in gradio_temp_dir.glob("**/*") if f.is_file()]) == 1
f = processing_utils.save_base64_to_cache(
base64_file_2, cache_dir=gradio_temp_dir
)
assert len([f for f in gradio_temp_dir.glob("**/*") if f.is_file()]) == 2
@pytest.mark.flaky
def test_ssrf_protected_download(self, gradio_temp_dir):
url1 = "https://raw.githubusercontent.com/gradio-app/gradio/main/gradio/test_data/test_image.png"
url2 = "https://raw.githubusercontent.com/gradio-app/gradio/main/gradio/media_assets/images/cheetah1.jpg"
f = processing_utils.save_url_to_cache(url1, cache_dir=gradio_temp_dir)
try: # Delete if already exists from before this test
os.remove(f)
except OSError:
pass
f = processing_utils.save_url_to_cache(url1, cache_dir=gradio_temp_dir)
assert len([f for f in gradio_temp_dir.glob("**/*") if f.is_file()]) == 1
f = processing_utils.save_url_to_cache(url1, cache_dir=gradio_temp_dir)
assert len([f for f in gradio_temp_dir.glob("**/*") if f.is_file()]) == 1
f = processing_utils.save_url_to_cache(url2, cache_dir=gradio_temp_dir)
assert len([f for f in gradio_temp_dir.glob("**/*") if f.is_file()]) == 2
@pytest.mark.flaky
def test_ssrf_protected_download_with_redirect(self, gradio_temp_dir):
url = "https://huggingface.co/datasets/Xenova/transformers.js-docs/resolve/main/bread_small.png"
processing_utils.save_url_to_cache(url, cache_dir=gradio_temp_dir)
assert len([f for f in gradio_temp_dir.glob("**/*") if f.is_file()]) == 1
class TestImagePreprocessing:
def test_encode_plot_to_base64(self):
with utils.MatplotlibBackendMananger():
import matplotlib.pyplot as plt
plt.plot([1, 2, 3, 4])
output_base64 = processing_utils.encode_plot_to_base64(plt)
assert output_base64.startswith(
"data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAo"
)
def test_save_pil_to_file_keeps_pnginfo(self, gradio_temp_dir):
input_img = Image.open("gradio/test_data/test_image.png")
input_img = input_img.convert("RGB")
input_img.info = {"key1": "value1", "key2": "value2"}
input_img.save(gradio_temp_dir / "test_test_image.png")
file_obj = processing_utils.save_pil_to_cache(
input_img, cache_dir=gradio_temp_dir, format="png"
)
output_img = Image.open(file_obj)
assert output_img.info == input_img.info
def test_save_pil_to_file_keeps_all_gif_frames(self, gradio_temp_dir):
input_img = Image.open("gradio/test_data/rectangles.gif")
file_obj = processing_utils.save_pil_to_cache(
input_img, cache_dir=gradio_temp_dir, format="gif"
)
output_img = Image.open(file_obj)
assert output_img.n_frames == input_img.n_frames == 3 # type: ignore
def test_np_pil_encode_to_the_same(self, gradio_temp_dir):
arr = np.random.randint(0, 255, size=(100, 100, 3), dtype=np.uint8)
pil = Image.fromarray(arr)
assert processing_utils.save_pil_to_cache(
pil, cache_dir=gradio_temp_dir
) == processing_utils.save_img_array_to_cache(arr, cache_dir=gradio_temp_dir)
def test_encode_pil_to_temp_file_metadata_color_profile(self, gradio_temp_dir):
# Read image
img = Image.open("gradio/test_data/test_image.png")
img_metadata = Image.open("gradio/test_data/test_image.png")
img_metadata.info = {"key1": "value1", "key2": "value2"}
# Creating sRGB profile
profile = ImageCms.createProfile("sRGB")
profile2 = ImageCms.ImageCmsProfile(profile)
img.save(
gradio_temp_dir / "img_color_profile.png", icc_profile=profile2.tobytes()
)
img_cp1 = Image.open(str(gradio_temp_dir / "img_color_profile.png"))
# Creating XYZ profile
profile = ImageCms.createProfile("XYZ")
profile2 = ImageCms.ImageCmsProfile(profile)
img.save(
gradio_temp_dir / "img_color_profile_2.png", icc_profile=profile2.tobytes()
)
img_cp2 = Image.open(str(gradio_temp_dir / "img_color_profile_2.png"))
img_path = processing_utils.save_pil_to_cache(
img, cache_dir=gradio_temp_dir, format="png"
)
img_metadata_path = processing_utils.save_pil_to_cache(
img_metadata, cache_dir=gradio_temp_dir, format="png"
)
img_cp1_path = processing_utils.save_pil_to_cache(
img_cp1, cache_dir=gradio_temp_dir, format="png"
)
img_cp2_path = processing_utils.save_pil_to_cache(
img_cp2, cache_dir=gradio_temp_dir, format="png"
)
assert len({img_path, img_metadata_path, img_cp1_path, img_cp2_path}) == 4
def test_resize_and_crop(self):
img = Image.open("gradio/test_data/test_image.png")
new_img = processing_utils.resize_and_crop(img, (20, 20))
assert new_img.size == (20, 20)
with pytest.raises(ValueError):
processing_utils.resize_and_crop( # type: ignore
**{"img": img, "size": (20, 20), "crop_type": "test"}
)
class TestAudioPreprocessing:
def test_audio_from_file(self):
audio = processing_utils.audio_from_file("gradio/test_data/test_audio.wav")
assert audio[0] == 22050
assert isinstance(audio[1], np.ndarray)
def test_audio_to_file(self):
audio = processing_utils.audio_from_file("gradio/test_data/test_audio.wav")
processing_utils.audio_to_file(audio[0], audio[1], "test_audio_to_file")
assert os.path.exists("test_audio_to_file")
os.remove("test_audio_to_file")
@pytest.mark.parametrize("fmt", ["wav", "mp3", "flac"])
def test_audio_to_file_float32_non_wav(self, fmt, tmp_path):
# Regression test for #13364: audio_to_file produced static noise for
# non-WAV formats because float32 samples were not converted to int16
# before being handed to pydub (which then treated the 4-byte values
# as int32 PCM). Round-tripping a sine through audio_to_file and
# decoding it back should preserve the waveform shape for every
# supported format, not just "wav".
sr = 24000
t = np.arange(sr) / sr # 1 second
sine = np.sin(2 * np.pi * 440 * t).astype(np.float32)
out_path = tmp_path / f"sine.{fmt}"
processing_utils.audio_to_file(sr, sine, str(out_path), format=fmt)
assert out_path.exists()
decoded = AudioSegment.from_file(str(out_path), format=fmt)
samples = np.array(decoded.get_array_of_samples(), dtype=np.float64)
n = min(len(samples), len(sine))
samples = samples[:n]
reference = sine[:n].astype(np.float64)
if np.abs(samples).max() > 0:
samples = samples / np.abs(samples).max()
# Lossy codecs (mp3) blur the waveform but preserve overall shape;
# the int32-misinterpretation bug produced noise with RMS error
# ~0.3+, so 0.1 cleanly separates "encoded correctly" from "noise".
rms_error = float(np.sqrt(np.mean((samples - reference) ** 2)))
assert rms_error < 0.1, (
f"audio_to_file produced noise for format={fmt!r} "
f"(RMS error {rms_error:.3f} vs sine input)"
)
def test_save_audio_to_cache_uses_audio_metadata_in_cache_key(
self, gradio_temp_dir
):
data = np.array([0, 1, 2, 3], dtype=np.int16)
data_with_different_dtype = np.array([0, 1, 2, 3], dtype=np.uint16)
data_with_different_shape = np.array([[0, 1], [2, 3]], dtype=np.int16)
with patch("gradio.processing_utils.audio_to_file"):
path_8000 = processing_utils.save_audio_to_cache(
data, 8000, "wav", cache_dir=gradio_temp_dir
)
path_16000 = processing_utils.save_audio_to_cache(
data, 16000, "wav", cache_dir=gradio_temp_dir
)
path_mp3 = processing_utils.save_audio_to_cache(
data, 8000, "mp3", cache_dir=gradio_temp_dir
)
path_uint16 = processing_utils.save_audio_to_cache(
data_with_different_dtype, 8000, "wav", cache_dir=gradio_temp_dir
)
path_stereo = processing_utils.save_audio_to_cache(
data_with_different_shape, 8000, "wav", cache_dir=gradio_temp_dir
)
assert Path(path_8000).parent != Path(path_16000).parent
assert Path(path_8000).parent != Path(path_mp3).parent
assert Path(path_8000).parent != Path(path_uint16).parent
assert Path(path_8000).parent != Path(path_stereo).parent
def test_save_audio_to_cache_accepts_numpy_sample_rate(self, gradio_temp_dir):
data = np.array([0, 1, 2, 3], dtype=np.int16)
with patch("gradio.processing_utils.audio_to_file"):
path_py_int = processing_utils.save_audio_to_cache(
data, 8000, "wav", cache_dir=gradio_temp_dir
)
path_np_int = processing_utils.save_audio_to_cache(
data, np.int64(8000), "wav", cache_dir=gradio_temp_dir
)
assert Path(path_py_int).parent == Path(path_np_int).parent
def test_convert_to_16_bit_audio(self):
# Generate a random audio sample and set the amplitude
audio = np.random.randint(-100, 100, size=(100), dtype="int16")
audio[0] = -32767
audio[1] = 32766
audio_ = audio.astype("float64")
audio_ = processing_utils.convert_to_16_bit_audio(audio_)
assert np.allclose(audio, audio_)
assert audio_.dtype == "int16"
audio_ = audio.astype("float32")
audio_ = processing_utils.convert_to_16_bit_audio(audio_)
assert np.allclose(audio, audio_)
assert audio_.dtype == "int16"
audio_ = processing_utils.convert_to_16_bit_audio(audio)
assert np.allclose(audio, audio_)
assert audio_.dtype == "int16"
def test_convert_to_16_bit_audio_silence(self):
# Regression test: all-zero float input has a peak of 0, which used to
# divide by zero and produce NaNs that cast to nonzero int16 garbage,
# turning silence into noise. Silence must stay silent.
for dtype in ("float16", "float32", "float64"):
silence = np.zeros(100, dtype=dtype)
converted = processing_utils.convert_to_16_bit_audio(silence)
assert converted.dtype == "int16"
assert np.all(converted == 0)
def test_convert_to_16_bit_wav_alias(self):
# `convert_to_16_bit_wav` is kept as a backwards-compatible alias.
assert (
processing_utils.convert_to_16_bit_wav
is processing_utils.convert_to_16_bit_audio
)
class TestOutputPreprocessing:
float_dtype_list = [
float,
float,
np.double,
np.single,
np.float32,
np.float64,
"float32",
"float64",
]
def test_float_conversion_dtype(self):
"""Test any conversion from a float dtype to an other."""
x = np.array([-1, 1])
# Test all combinations of dtypes conversions
dtype_combin = np.array(
np.meshgrid( # type: ignore
TestOutputPreprocessing.float_dtype_list, # type: ignore
TestOutputPreprocessing.float_dtype_list, # type: ignore
) # type: ignore
).T.reshape(-1, 2)
for dtype_in, dtype_out in dtype_combin:
x = x.astype(dtype_in)
y = processing_utils._convert(x, dtype_out)
assert y.dtype == np.dtype(dtype_out)
def test_subclass_conversion(self):
"""Check subclass conversion behavior"""
x = np.array([-1, 1])
for dtype in TestOutputPreprocessing.float_dtype_list:
x = x.astype(dtype)
y = processing_utils._convert(x, np.floating)
assert y.dtype == x.dtype
class TestVideoProcessing:
def test_video_has_playable_codecs(self, test_file_dir):
assert processing_utils.video_is_playable(
str(test_file_dir / "video_sample.mp4")
)
assert processing_utils.video_is_playable(
str(test_file_dir / "video_sample.ogg")
)
assert processing_utils.video_is_playable(
str(test_file_dir / "video_sample.webm")
)
assert not processing_utils.video_is_playable(
str(test_file_dir / "bad_video_sample.mp4")
)
def raise_ffmpy_runtime_exception(*args, **kwargs):
raise ffmpy.FFRuntimeError("", "", "", "") # type: ignore
@pytest.mark.parametrize(
"exception_to_raise", [raise_ffmpy_runtime_exception, KeyError(), IndexError()]
)
def test_video_has_playable_codecs_catches_exceptions(
self, exception_to_raise, test_file_dir
):
with (
patch(
"gradio._vendor.ffmpy.FFprobe.run",
side_effect=exception_to_raise,
),
tempfile.NamedTemporaryFile(
suffix="out.avi", delete=False
) as tmp_not_playable_vid,
):
shutil.copy(
str(test_file_dir / "bad_video_sample.mp4"),
tmp_not_playable_vid.name,
)
assert processing_utils.video_is_playable(tmp_not_playable_vid.name)
def test_convert_video_to_playable_mp4(self, test_file_dir):
with tempfile.NamedTemporaryFile(
suffix="out.avi", delete=False
) as tmp_not_playable_vid:
shutil.copy(
str(test_file_dir / "bad_video_sample.mp4"), tmp_not_playable_vid.name
)
with patch("os.remove", wraps=os.remove) as mock_remove:
playable_vid = processing_utils.convert_video_to_playable_mp4(
tmp_not_playable_vid.name
)
# check tempfile got deleted
assert not Path(mock_remove.call_args[0][0]).exists()
assert processing_utils.video_is_playable(playable_vid)
@patch(
"gradio._vendor.ffmpy.FFmpeg.run",
side_effect=raise_ffmpy_runtime_exception,
)
def test_video_conversion_returns_original_video_if_fails(
self, mock_run, test_file_dir
):
with tempfile.NamedTemporaryFile(
suffix="out.avi", delete=False
) as tmp_not_playable_vid:
shutil.copy(
str(test_file_dir / "bad_video_sample.mp4"), tmp_not_playable_vid.name
)
playable_vid = processing_utils.convert_video_to_playable_mp4(
tmp_not_playable_vid.name
)
# If the conversion succeeded it'd be .mp4
assert Path(playable_vid).suffix == ".avi"
def test_add_root_url():
data = {
"file": {
"path": "path",
"url": f"{API_PREFIX}/file=path",
"meta": {"_type": "gradio.FileData"},
},
"file2": {
"path": "path2",
"url": "https://www.gradio.app",
"meta": {"_type": "gradio.FileData"},
},
}
root_url = "http://localhost:7860"
expected = {
"file": {
"path": "path",
"url": f"{root_url}{API_PREFIX}/file=path",
"meta": {"_type": "gradio.FileData"},
},
"file2": {
"path": "path2",
"url": "https://www.gradio.app",
"meta": {"_type": "gradio.FileData"},
},
}
assert processing_utils.add_root_url(data, root_url, None) == expected
new_root_url = "https://1234.gradio.live"
new_expected = {
"file": {
"path": "path",
"url": f"{new_root_url}{API_PREFIX}/file=path",
"meta": {"_type": "gradio.FileData"},
},
"file2": {
"path": "path2",
"url": "https://www.gradio.app",
"meta": {"_type": "gradio.FileData"},
},
}
assert (
processing_utils.add_root_url(expected, new_root_url, root_url) == new_expected
)
def test_hash_url_encodes_url():
assert processing_utils.hash_url(
"https://www.gradio.app/image 1.jpg"
) == processing_utils.hash_bytes(b"https://www.gradio.app/image 1.jpg")
@pytest.mark.asyncio
async def test_json_data_not_moved_to_cache():
data = data_classes.JsonData(
root={
"file": {
"path": "path",
"url": f"{API_PREFIX}/file=path",
"meta": {"_type": "gradio.FileData"},
}
}
)
assert (
processing_utils.move_files_to_cache(data, components.Number(), False) == data
)
assert processing_utils.move_files_to_cache(data, components.Number(), True) == data
assert (
await processing_utils.async_move_files_to_cache(
data, components.Number(), False
)
== data
)
assert (
await processing_utils.async_move_files_to_cache(
data, components.Number(), True
)
== data
)
@contextmanager
def launched_blocks_context():
"""Set up a Blocks instance that looks launched, with LocalContext wired up."""
blocks = gr.Blocks()
blocks.has_launched = True
blocks.allowed_paths = []
blocks.blocked_paths = []
token = LocalContext.blocks.set(blocks)
try:
yield blocks
finally:
LocalContext.blocks.reset(token)
def _make_file_data_dict(path: str) -> dict:
return {
"path": path,
"url": None,
"size": None,
"orig_name": None,
"mime_type": None,
"is_stream": False,
"meta": {"_type": "gradio.FileData"},
}
class TestMoveFilesToCacheSecurity:
"""Verify that move_files_to_cache rejects arbitrary file paths."""
def test_filedata_with_disallowed_path_raises(self):
data = _make_file_data_dict("/etc/passwd")
with launched_blocks_context():
with pytest.raises(InvalidPathError):
processing_utils.move_files_to_cache(data, gr.File(), postprocess=True)
def test_path_traversal_raises(self):
data = _make_file_data_dict("../../../etc/passwd")
with launched_blocks_context():
with pytest.raises(InvalidPathError):
processing_utils.move_files_to_cache(data, gr.File(), postprocess=True)
def test_nested_filedata_with_disallowed_path_raises(self):
data = {
"chatbot": [
{
"role": "assistant",
"content": _make_file_data_dict("/etc/shadow"),
}
]
}
with launched_blocks_context():
with pytest.raises(InvalidPathError):
processing_utils.move_files_to_cache(
data, gr.Chatbot(), postprocess=True
)
class TestBrowserStatePydanticNoFileCaching:
"""Ensure Pydantic model_dump() in BrowserState doesn't trick file caching."""
def test_model_with_path_field_not_treated_as_file(self):
"""model_dump() won't produce the FileData meta signature."""
class Config(BaseModel):
path: str
name: str
state = gr.BrowserState()
result = state.postprocess(Config(path="/etc/passwd", name="secret"))
assert result == {"path": "/etc/passwd", "name": "secret"}
cached = processing_utils.move_files_to_cache(result, state, postprocess=True)
assert cached == result
def test_model_with_filedata_signature_blocked(self):
"""Even if model_dump() matches FileData shape, _check_allowed blocks it."""
class MaliciousModel(BaseModel):
path: str
url: str | None = None
size: int | None = None
orig_name: str | None = None
mime_type: str | None = None
is_stream: bool = False
meta: dict = {"_type": "gradio.FileData"}
state = gr.BrowserState()
result = state.postprocess(MaliciousModel(path="/etc/passwd"))
with launched_blocks_context():
with pytest.raises(InvalidPathError):
processing_utils.move_files_to_cache(result, state, postprocess=True)
def test_nested_model_with_path_not_treated_as_file(self):
class FileRef(BaseModel):
path: str
label: str
class Report(BaseModel):
title: str
files: list[FileRef]
state = gr.BrowserState()
report = Report(
title="Test",
files=[
FileRef(path="/etc/passwd", label="passwords"),
FileRef(path="/etc/shadow", label="shadow"),
],
)
result = state.postprocess(report)
cached = processing_utils.move_files_to_cache(result, state, postprocess=True)
assert cached == result
@pytest.mark.flaky
def test_public_request_pass():
tempdir = tempfile.TemporaryDirectory()
file = processing_utils.ssrf_protected_download(
"https://huggingface.co/datasets/freddyaboulton/bucket/resolve/main/Hugging%20Face%20x%20Cloudflare.png",
tempdir.name,
)
assert os.path.exists(file)
@pytest.mark.asyncio
@pytest.mark.flaky
async def test_async_public_request_pass():
tempdir = tempfile.TemporaryDirectory()
file = await processing_utils.async_ssrf_protected_download(
"https://huggingface.co/datasets/freddyaboulton/bucket/resolve/main/Hugging%20Face%20x%20Cloudflare.png",
tempdir.name,
)
assert os.path.exists(file)
def test_private_request_fail():
with pytest.raises(ValueError, match="failed validation"):
tempdir = tempfile.TemporaryDirectory()
processing_utils.ssrf_protected_download(
"http://192.168.1.250.nip.io/image.png", tempdir.name
)
@pytest.mark.asyncio
async def test_async_private_request_fail():
with pytest.raises(ValueError, match="failed validation"):
tempdir = tempfile.TemporaryDirectory()
await processing_utils.async_ssrf_protected_download(
"http://192.168.1.250.nip.io/image.png", tempdir.name
)
@pytest.mark.asyncio
async def test_async_get_private_request_fail():
with pytest.raises(ValueError, match="failed validation"):
await processing_utils.async_ssrf_protected_get(
"http://192.168.1.250.nip.io/image.png"
)
@pytest.mark.asyncio
async def test_async_get_redirect_without_location_returns_response(monkeypatch):
expected = httpx.Response(
302, request=httpx.Request("GET", "https://example.com/image.png")
)
async def mock_get(*args, **kwargs):
return expected
monkeypatch.setattr(processing_utils.sh, "get", mock_get)
response = await processing_utils.async_ssrf_protected_get(
"https://example.com/image.png"
)
assert response is expected
class TestAudioFormatDetection:
@pytest.mark.parametrize(
"file_path,expected",
[
("gradio/media_assets/audio/audio_sample.wav", ".wav"),
("gradio/test_data/test_audio.mp3", ".mp3"),
],
)
def test_detect_audio_format_files(self, file_path, expected):
with open(file_path, "rb") as f:
assert processing_utils.detect_audio_format(f.read()) == expected
@pytest.mark.parametrize(
"data,expected",
[
(b"\x00\x00\x00\x00\x00\x00\x00\x00", ""), # Unknown format
(b"\xff\xff", ""), # Too short
(b"", ""), # Empty
],
)
def test_detect_audio_format_edge_cases(self, data, expected):
assert processing_utils.detect_audio_format(data) == expected