diff --git a/.gitignore b/.gitignore
index a6f0ba3..30d2520 100644
--- a/.gitignore
+++ b/.gitignore
@@ -3,4 +3,6 @@ __pycache__
 
 index-v2.json
 sourceCodes.txt
-success_repos.txt
\ No newline at end of file
+success_repos.txt
+
+.pdm-python
\ No newline at end of file
diff --git a/README.md b/README.md
index f356fe2..c3b1d30 100644
--- a/README.md
+++ b/README.md
@@ -1,23 +1,2 @@
-# F-Droid_src
+# fdroid-push-swh
 
-## Install
-
-```shell
-pip install -r requirements.txt
-```
-
-## Usage
-
-```shell
-python3 main.py --help
-```
-
-```shell
-usage: main.py [-h] [--refresh] [--swh-token SWH_TOKEN] [--list-only]
-
-options:
-  -h, --help            show this help message and exit
-  --refresh             Redownload index-v2.json
-  --swh-token SWH_TOKEN
-  --list-only           Only list repos to sourceCodes.txt, do not submit to SWH
-```
diff --git a/pdm.lock b/pdm.lock
new file mode 100644
index 0000000..aacafba
--- /dev/null
+++ b/pdm.lock
@@ -0,0 +1,188 @@
+# This file is @generated by PDM.
+# It is not intended for manual editing.
+
+[metadata]
+groups = ["default"]
+strategy = ["inherit_metadata"]
+lock_version = "4.5.0"
+content_hash = "sha256:0e64b9568985c55d411bf19329ca2d668160f79b48f127207476b81dabf87d3a"
+
+[[metadata.targets]]
+requires_python = ">=3.12"
+
+[[package]]
+name = "anyio"
+version = "4.4.0"
+requires_python = ">=3.8"
+summary = "High level compatibility layer for multiple asynchronous event loop implementations"
+groups = ["default"]
+dependencies = [
+    "exceptiongroup>=1.0.2; python_version < \"3.11\"",
+    "idna>=2.8",
+    "sniffio>=1.1",
+    "typing-extensions>=4.1; python_version < \"3.11\"",
+]
+files = [
+    {file = "anyio-4.4.0-py3-none-any.whl", hash = "sha256:c1b2d8f46a8a812513012e1107cb0e68c17159a7a594208005a57dc776e1bdc7"},
+    {file = "anyio-4.4.0.tar.gz", hash = "sha256:5aadc6a1bbb7cdb0bede386cac5e2940f5e2ff3aa20277e991cf028e0585ce94"},
+]
+
+[[package]]
+name = "certifi"
+version = "2024.8.30"
+requires_python = ">=3.6"
+summary = "Python package for providing Mozilla's CA Bundle."
+groups = ["default"]
+files = [
+    {file = "certifi-2024.8.30-py3-none-any.whl", hash = "sha256:922820b53db7a7257ffbda3f597266d435245903d80737e34f8a45ff3e3230d8"},
+    {file = "certifi-2024.8.30.tar.gz", hash = "sha256:bec941d2aa8195e248a60b31ff9f0558284cf01a52591ceda73ea9afffd69fd9"},
+]
+
+[[package]]
+name = "charset-normalizer"
+version = "3.3.2"
+requires_python = ">=3.7.0"
+summary = "The Real First Universal Charset Detector. Open, modern and actively maintained alternative to Chardet."
+groups = ["default"]
+files = [
+    {file = "charset-normalizer-3.3.2.tar.gz", hash = "sha256:f30c3cb33b24454a82faecaf01b19c18562b1e89558fb6c56de4d9118a032fd5"},
+    {file = "charset_normalizer-3.3.2-cp312-cp312-macosx_10_9_universal2.whl", hash = "sha256:0b2b64d2bb6d3fb9112bafa732def486049e63de9618b5843bcdd081d8144cd8"},
+    {file = "charset_normalizer-3.3.2-cp312-cp312-macosx_10_9_x86_64.whl", hash = "sha256:ddbb2551d7e0102e7252db79ba445cdab71b26640817ab1e3e3648dad515003b"},
+    {file = "charset_normalizer-3.3.2-cp312-cp312-macosx_11_0_arm64.whl", hash = "sha256:55086ee1064215781fff39a1af09518bc9255b50d6333f2e4c74ca09fac6a8f6"},
+    {file = "charset_normalizer-3.3.2-cp312-cp312-manylinux_2_17_aarch64.manylinux2014_aarch64.whl", hash = "sha256:8f4a014bc36d3c57402e2977dada34f9c12300af536839dc38c0beab8878f38a"},
+    {file = "charset_normalizer-3.3.2-cp312-cp312-manylinux_2_17_ppc64le.manylinux2014_ppc64le.whl", hash = "sha256:a10af20b82360ab00827f916a6058451b723b4e65030c5a18577c8b2de5b3389"},
+    {file = "charset_normalizer-3.3.2-cp312-cp312-manylinux_2_17_s390x.manylinux2014_s390x.whl", hash = "sha256:8d756e44e94489e49571086ef83b2bb8ce311e730092d2c34ca8f7d925cb20aa"},
+    {file = "charset_normalizer-3.3.2-cp312-cp312-manylinux_2_17_x86_64.manylinux2014_x86_64.whl", hash = "sha256:90d558489962fd4918143277a773316e56c72da56ec7aa3dc3dbbe20fdfed15b"},
+    {file = "charset_normalizer-3.3.2-cp312-cp312-manylinux_2_5_i686.manylinux1_i686.manylinux_2_17_i686.manylinux2014_i686.whl", hash = "sha256:6ac7ffc7ad6d040517be39eb591cac5ff87416c2537df6ba3cba3bae290c0fed"},
+    {file = "charset_normalizer-3.3.2-cp312-cp312-musllinux_1_1_aarch64.whl", hash = "sha256:7ed9e526742851e8d5cc9e6cf41427dfc6068d4f5a3bb03659444b4cabf6bc26"},
+    {file = "charset_normalizer-3.3.2-cp312-cp312-musllinux_1_1_i686.whl", hash = "sha256:8bdb58ff7ba23002a4c5808d608e4e6c687175724f54a5dade5fa8c67b604e4d"},
+    {file = "charset_normalizer-3.3.2-cp312-cp312-musllinux_1_1_ppc64le.whl", hash = "sha256:6b3251890fff30ee142c44144871185dbe13b11bab478a88887a639655be1068"},
+    {file = "charset_normalizer-3.3.2-cp312-cp312-musllinux_1_1_s390x.whl", hash = "sha256:b4a23f61ce87adf89be746c8a8974fe1c823c891d8f86eb218bb957c924bb143"},
+    {file = "charset_normalizer-3.3.2-cp312-cp312-musllinux_1_1_x86_64.whl", hash = "sha256:efcb3f6676480691518c177e3b465bcddf57cea040302f9f4e6e191af91174d4"},
+    {file = "charset_normalizer-3.3.2-cp312-cp312-win32.whl", hash = "sha256:d965bba47ddeec8cd560687584e88cf699fd28f192ceb452d1d7ee807c5597b7"},
+    {file = "charset_normalizer-3.3.2-cp312-cp312-win_amd64.whl", hash = "sha256:96b02a3dc4381e5494fad39be677abcb5e6634bf7b4fa83a6dd3112607547001"},
+    {file = "charset_normalizer-3.3.2-py3-none-any.whl", hash = "sha256:3e4d1f6587322d2788836a99c69062fbb091331ec940e02d12d179c1d53e25fc"},
+]
+
+[[package]]
+name = "colorama"
+version = "0.4.6"
+requires_python = "!=3.0.*,!=3.1.*,!=3.2.*,!=3.3.*,!=3.4.*,!=3.5.*,!=3.6.*,>=2.7"
+summary = "Cross-platform colored terminal text."
+groups = ["default"]
+marker = "platform_system == \"Windows\""
+files = [
+    {file = "colorama-0.4.6-py2.py3-none-any.whl", hash = "sha256:4f1d9991f5acc0ca119f9d443620b77f9d6b33703e51011c16baf57afb285fc6"},
+    {file = "colorama-0.4.6.tar.gz", hash = "sha256:08695f5cb7ed6e0531a20572697297273c47b8cae5a63ffc6d6ed5c201be6e44"},
+]
+
+[[package]]
+name = "h11"
+version = "0.14.0"
+requires_python = ">=3.7"
+summary = "A pure-Python, bring-your-own-I/O implementation of HTTP/1.1"
+groups = ["default"]
+dependencies = [
+    "typing-extensions; python_version < \"3.8\"",
+]
+files = [
+    {file = "h11-0.14.0-py3-none-any.whl", hash = "sha256:e3fe4ac4b851c468cc8363d500db52c2ead036020723024a109d37346efaa761"},
+    {file = "h11-0.14.0.tar.gz", hash = "sha256:8f19fbbe99e72420ff35c00b27a34cb9937e902a8b810e2c88300c6f0a3b699d"},
+]
+
+[[package]]
+name = "httpcore"
+version = "1.0.5"
+requires_python = ">=3.8"
+summary = "A minimal low-level HTTP client."
+groups = ["default"]
+dependencies = [
+    "certifi",
+    "h11<0.15,>=0.13",
+]
+files = [
+    {file = "httpcore-1.0.5-py3-none-any.whl", hash = "sha256:421f18bac248b25d310f3cacd198d55b8e6125c107797b609ff9b7a6ba7991b5"},
+    {file = "httpcore-1.0.5.tar.gz", hash = "sha256:34a38e2f9291467ee3b44e89dd52615370e152954ba21721378a87b2960f7a61"},
+]
+
+[[package]]
+name = "httpx"
+version = "0.27.2"
+requires_python = ">=3.8"
+summary = "The next generation HTTP client."
+groups = ["default"]
+dependencies = [
+    "anyio",
+    "certifi",
+    "httpcore==1.*",
+    "idna",
+    "sniffio",
+]
+files = [
+    {file = "httpx-0.27.2-py3-none-any.whl", hash = "sha256:7bb2708e112d8fdd7829cd4243970f0c223274051cb35ee80c03301ee29a3df0"},
+    {file = "httpx-0.27.2.tar.gz", hash = "sha256:f7c2be1d2f3c3c3160d441802406b206c2b76f5947b11115e6df10c6c65e66c2"},
+]
+
+[[package]]
+name = "idna"
+version = "3.9"
+requires_python = ">=3.6"
+summary = "Internationalized Domain Names in Applications (IDNA)"
+groups = ["default"]
+files = [
+    {file = "idna-3.9-py3-none-any.whl", hash = "sha256:69297d5da0cc9281c77efffb4e730254dd45943f45bbfb461de5991713989b1e"},
+    {file = "idna-3.9.tar.gz", hash = "sha256:e5c5dafde284f26e9e0f28f6ea2d6400abd5ca099864a67f576f3981c6476124"},
+]
+
+[[package]]
+name = "requests"
+version = "2.32.3"
+requires_python = ">=3.8"
+summary = "Python HTTP for Humans."
+groups = ["default"]
+dependencies = [
+    "certifi>=2017.4.17",
+    "charset-normalizer<4,>=2",
+    "idna<4,>=2.5",
+    "urllib3<3,>=1.21.1",
+]
+files = [
+    {file = "requests-2.32.3-py3-none-any.whl", hash = "sha256:70761cfe03c773ceb22aa2f671b4757976145175cdfca038c02654d061d6dcc6"},
+    {file = "requests-2.32.3.tar.gz", hash = "sha256:55365417734eb18255590a9ff9eb97e9e1da868d4ccd6402399eaf68af20a760"},
+]
+
+[[package]]
+name = "sniffio"
+version = "1.3.1"
+requires_python = ">=3.7"
+summary = "Sniff out which async library your code is running under"
+groups = ["default"]
+files = [
+    {file = "sniffio-1.3.1-py3-none-any.whl", hash = "sha256:2f6da418d1f1e0fddd844478f41680e794e6051915791a034ff65e5f100525a2"},
+    {file = "sniffio-1.3.1.tar.gz", hash = "sha256:f4324edc670a0f49750a81b895f35c3adb843cca46f0530f79fc1babb23789dc"},
+]
+
+[[package]]
+name = "tqdm"
+version = "4.66.5"
+requires_python = ">=3.7"
+summary = "Fast, Extensible Progress Meter"
+groups = ["default"]
+dependencies = [
+    "colorama; platform_system == \"Windows\"",
+]
+files = [
+    {file = "tqdm-4.66.5-py3-none-any.whl", hash = "sha256:90279a3770753eafc9194a0364852159802111925aa30eb3f9d85b0e805ac7cd"},
+    {file = "tqdm-4.66.5.tar.gz", hash = "sha256:e1020aef2e5096702d8a025ac7d16b1577279c9d63f8375b63083e9a5f0fcbad"},
+]
+
+[[package]]
+name = "urllib3"
+version = "2.2.3"
+requires_python = ">=3.8"
+summary = "HTTP library with thread-safe connection pooling, file post, and more."
+groups = ["default"]
+files = [
+    {file = "urllib3-2.2.3-py3-none-any.whl", hash = "sha256:ca899ca043dcb1bafa3e262d73aa25c465bfb49e0bd9dd5d59f1d0acba2f8fac"},
+    {file = "urllib3-2.2.3.tar.gz", hash = "sha256:e7d814a81dad81e6caf2ec9fdedb284ecc9c73076b62654547cc64ccdcae26e9"},
+]
diff --git a/pyproject.toml b/pyproject.toml
new file mode 100644
index 0000000..2872f43
--- /dev/null
+++ b/pyproject.toml
@@ -0,0 +1,25 @@
+[project]
+name = "fdroid_push_swh"
+version = "0.1.0"
+description = "aaaa"
+authors = [
+    {name = "yzqzss", email = "yzqzss@yandex.com"},
+]
+dependencies = [
+    "requests",
+    "tqdm",
+    "httpx",
+]
+requires-python = ">=3.12"
+readme = "README.md"
+license = {text = "AGPL"}
+
+[build-system]
+requires = ["pdm-backend"]
+build-backend = "pdm.backend"
+
+[project.scripts]
+fdroid-push-swh = "fdroid_push_swh:main"
+
+[tool.pdm]
+distribution = true
diff --git a/requirements.txt b/requirements.txt
deleted file mode 100644
index be50dd0..0000000
--- a/requirements.txt
+++ /dev/null
@@ -1,3 +0,0 @@
-requests
-tqdm
-httpx
\ No newline at end of file
diff --git a/src/fdroid_push_swh/__init__.py b/src/fdroid_push_swh/__init__.py
new file mode 100644
index 0000000..5d5c814
--- /dev/null
+++ b/src/fdroid_push_swh/__init__.py
@@ -0,0 +1,8 @@
+import logging
+from fdroid_push_swh.main import main as lib_main
+
+import asyncio
+
+def main():
+    logging.basicConfig(level=logging.INFO)
+    asyncio.run(lib_main())
\ No newline at end of file
diff --git a/main.py b/src/fdroid_push_swh/main.py
similarity index 96%
rename from main.py
rename to src/fdroid_push_swh/main.py
index 09cde66..cab9eec 100644
--- a/main.py
+++ b/src/fdroid_push_swh/main.py
@@ -6,7 +6,7 @@
 import tqdm
 import argparse
 
-from swh import git_swh
+from fdroid_push_swh.swh import git_swh
 
 json_url = 'https://f-droid.org/repo/index-v2.json'
 json_cache = Path('index-v2.json')
@@ -28,12 +28,12 @@ async def main():
     else:
         r = requests.get(json_url, stream=True)
         r.raise_for_status()
-        data = b''
+        _data = b''
         for chunk in tqdm.tqdm(r.iter_content(chunk_size=1024 * 1024), unit='chunk', unit_scale=True):
-            data += chunk
+            _data += chunk
         with json_cache.open('wb') as f:
-            f.write(data)
-        data: dict = json.loads(data)
+            f.write(_data)
+        data: dict = json.loads(_data)
     print(len(data)//1024//1024, 'MiB')
     packages = data.get('packages', {})
 
diff --git a/swh.py b/src/fdroid_push_swh/swh.py
similarity index 97%
rename from swh.py
rename to src/fdroid_push_swh/swh.py
index 84c0044..fe97e40 100644
--- a/swh.py
+++ b/src/fdroid_push_swh/swh.py
@@ -78,6 +78,8 @@ async def post_git_url(client: httpx.AsyncClient, url: str, swh_token: str):
     save_request_status = r_json['save_request_status']
     request_url = r_json['request_url']
     return
+
+    # Why I commented out the following code? IDK what I thought 1 year ago (2023), lol.
     while True:
         await asyncio.sleep(10)
         r = await client.get(request_url, headers=headers, follow_redirects=True)
diff --git a/tests/__init__.py b/tests/__init__.py
new file mode 100644
index 0000000..e69de29