build: pinning unstructured to lowest working versions (#1841)

* finding lowest working versions

* adding missing CI job

* adding missing limitation

Author: davidsbatista

.github/workflows/unstructured.yml

@@ -72,9 +72,16 @@ jobs:
       - name: Run tests
         run: hatch run cov-retry
 
+      - name: Run unit tests with lowest direct dependencies
+        run: |
+          hatch run uv pip compile pyproject.toml --resolution lowest-direct --output-file requirements_lowest_direct.txt
+          hatch run uv pip install -r requirements_lowest_direct.txt
+          hatch run test -m "not integration"
+
       - name: Nightly - run unit tests with Haystack main branch
         if: github.event_name == 'schedule'
         run: |
+          hatch env prune
           hatch run uv pip install git+https://github.com/deepset-ai/haystack.git@main
           hatch run cov-retry -m "not integration"
 

integrations/unstructured/pyproject.toml

@@ -23,7 +23,12 @@ classifiers = [
   "Programming Language :: Python :: Implementation :: CPython",
   "Programming Language :: Python :: Implementation :: PyPy",
 ]
-dependencies = ["haystack-ai", "unstructured", "unstructured-client<0.30.0"]
+dependencies = [
+  "haystack-ai>=2.0.0",
+  "unstructured>=0.15.0",
+  "unstructured-client>=0.21.0",
+]
+
 
 [project.urls]
 Documentation = "https://github.com/deepset-ai/haystack-core-integrations/tree/main/integrations/unstructured#readme"