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Project description
OmniPath
OmniPath 是一个统一的路径处理库,支持本地文件系统、HTTP 和 S3 存储的路径操作。它提供了同步和异步 API,使得在不同存储系统间操作文件变得简单统一。
安装
pip install omni_pathlib
基本用法
from omni_pathlib import OmniPath
# 创建不同类型的路径
http_path = OmniPath("https://example.com/file.txt")
s3_path = OmniPath("s3://my-bucket/path/to/file.txt")
local_path = OmniPath("/local/path/to/file.txt")
# 读取文件内容
content = http_path.read_text() # 从 HTTP 读取
s3_content = s3_path.read_text() # 从 S3 读取
local_content = local_path.read_text() # 从本地读取
# 异步操作
async def main():
content = await http_path.async_read_text()
s3_content = await s3_path.async_read_text()
local_content = await local_path.async_read_text()
特性
- 统一的路径操作接口
- 支持本地文件系统、HTTP 和 S3 存储
- 同步和异步 API
- HTTP 支持缓存和断点续传
- S3 支持完整的存储桶操作
- 本地文件系统支持标准的路径操作
函数接口说明
基础操作
exists()/async_exists()- 检查路径是否存在iterdir()/async_iterdir()- 遍历目录内容stat()/async_stat()- 获取文件信息(大小、修改时间等)read_bytes()/async_read_bytes()- 读取文件内容(二进制)read_text()/async_read_text()- 读取文件内容(文本)write_bytes(data)/async_write_bytes(data)- 写入文件内容(二进制)write_text(data)/async_write_text(data)- 写入文件内容(文本)delete()/async_delete()- 删除文件
本地文件系统特有操作
mkdir(parents=False, exist_ok=False)/async_mkdir()- 创建目录rmdir()/async_rmdir()- 删除空目录rename(target)/async_rename(target)- 重命名文件/目录is_dir()/async_is_dir()- 检查是否为目录is_file()/async_is_file()- 检查是否为文件
HTTP 特有功能
- 支持断点续传
- 自动缓存下载内容
- 不支持写入和删除操作
S3 特有功能
- 完整支持 S3 存储桶操作
- 支持自定义 endpoint
- 支持多种认证方式
- 支持在 URL scheme 中指定 profile
S3 Profile 配置优先级
配置优先级从高到低:
- 通过参数直接传入的配置
- 通过 URL scheme 指定的 profile(例如:
s3+my_profile://bucket/key) - 通过环境变量
AWS_PROFILE配置 - 配置文件中的
defaultprofile - 配置文件中的第一个 profile
S3 URL Scheme 示例
# 参数优先级高于 URL scheme
path = OmniPath(
"s3+my_profile://bucket/key",
profile_name="other_profile" # 将使用 other_profile 而不是 my_profile
)
# 通过 URL scheme 指定 profile
path = OmniPath("s3+my_profile://bucket/key") # 将使用 my_profile 配置
# 通过环境变量指定 profile
os.environ["AWS_PROFILE"] = "other_profile"
path = OmniPath("s3://bucket/key") # 将使用 other_profile 配置
# 通过配置文件指定 profile
path = OmniPath("s3://bucket/key") # 将使用 default 配置(如果存在)或者找到的第一个配置
S3 Profiles 获取逻辑
- 从环境变量
AWS_ACCESS_KEY_ID,AWS_SECRET_ACCESS_KEY,AWS_REGION,OSS_ENDPOINT,S3_ENDPOINT,AWS_ENDPOINT_URL获取环境变量配置,这些配置默认会覆盖到名为defaultprofile 中,但是可以通过添加前缀指定到其他名字的 profile 中,例如:my_profile__AWS_ACCESS_KEY_ID=my_access_key_id会放到名为my_profile的 profile 中 - 从环境变量
AWS_SHARED_CREDENTIALS_FILE获取配置文件路径并加载配置,默认~/.aws/credentials
开发
安装依赖
uv sync
运行测试
uv run pytest
commit
pre-commit install
cz commit
发布
cz bump
git push --follow-tags
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