feat: use uv instead of pip (#389)

# Description

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# Testing

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# Pull Request Type

Please select the option(s) that are relevant to this PR.

- [ ] Bug fix (non-breaking change which fixes an issue)
- [ ] New feature (non-breaking change which adds functionality)
- [ ] Breaking change (fix or feature that would cause existing
functionality to not work as expected)
- [ ] Improvement (fixing a typo, updating readme, renaming a variable
name, etc)

Author: Justintime50

.github/workflows/ci.yml

@@ -12,6 +12,7 @@ jobs:
     steps:
       - uses: actions/checkout@v6
       - uses: extractions/setup-just@v3
+      - uses: astral-sh/setup-uv@v7
       - uses: actions/setup-python@v6
         with:
           python-version: '3.14'
@@ -28,6 +29,7 @@ jobs:
     steps:
       - uses: actions/checkout@v6
       - uses: extractions/setup-just@v3
+      - uses: astral-sh/setup-uv@v7
       - uses: actions/setup-python@v6
         with:
           python-version: ${{ matrix.pythonversion }}
@@ -48,6 +50,7 @@ jobs:
     steps:
       - uses: actions/checkout@v6
       - uses: extractions/setup-just@v3
+      - uses: astral-sh/setup-uv@v7
       - uses: actions/setup-python@v6
         with:
           python-version: '3.14'

.github/workflows/release.yml

@@ -11,6 +11,7 @@ jobs:
     steps:
       - uses: actions/checkout@v6
       - uses: extractions/setup-just@v3
+      - uses: astral-sh/setup-uv@v7
       - uses: actions/setup-python@v6
         with:
           python-version: '3.14'

justfile

@@ -1,5 +1,4 @@
-PYTHON_BINARY := "python3"
-VIRTUAL_ENV := "venv"
+VIRTUAL_ENV := ".venv"
 VIRTUAL_BIN := VIRTUAL_ENV / "bin"
 PROJECT_NAME := "easypost"
 TEST_DIR := "tests"
@@ -29,8 +28,8 @@ init-examples-submodule:
 
 # Install the project locally (dev mode)
 install: init-examples-submodule
-    {{PYTHON_BINARY}} -m venv {{VIRTUAL_ENV}}
-    {{VIRTUAL_BIN}}/pip install -e ."[dev]"
+    uv venv
+    uv pip install -e '.[dev]'
 
 # Update the examples submodule
 update-examples-submodule: