CI: add URL checks searching for broken HTTP links in source code, docs, etc (#434)

Author: slayoo

.github/workflows/urlcheck.yml

@@ -0,0 +1,25 @@
+name: urlcheck
+
+on:
+  push:
+    branches: [ main ]
+  pull_request:
+    branches: [ main ]
+  schedule:
+    - cron: '0 13 * * 4'
+
+jobs:
+  url-check:
+    runs-on: ubuntu-24.04
+    steps:
+      - uses: actions/[email protected]
+      - uses: urlstechie/urlchecker-action@master
+        with:
+          file_types: .md,.py,.json,.ipynb,.yaml,.yml,.toml,.c,.hpp,.cpp,.F90,.f90,.txt,.dat,.cff
+          print_all: false
+          verbose: true
+          timeout: 7
+          retry_count: 3
+          exclude_urls: https://www.gnu.org/licenses/gpl-3.0.en.html,https://www.gnu.org/licenses/gpl-3.0.html,https://www.gnu.org/licenses/old-licenses/gpl-2.0.html
+          exclude_patterns: http://purl.org,http://www.w3.org
+          exclude_files: .github/workflows/urlcheck.yml

README.md

@@ -99,7 +99,7 @@ pip install PyPartMC[examples]
 
 ## Features
 
-- works on Linux, macOS and Windows (compatibility assured with [CI builds](https://github.com/open-atmos/PyPartMC/blob/main/.github/workflows/tests.yml))
+- works on Linux, macOS and Windows (compatibility assured with [CI builds](https://github.com/open-atmos/PyPartMC/blob/main/.github/workflows/buildwheels.yml))
 - hassle-free installation using `pip` (prior PartMC installation **not needed**)
 - works out of the box on [mybinder.org](https://mybinder.org/), [Google Colab](colab.research.google.com/) and alike
 - ships with [a set of examples](https://github.com/open-atmos/PyPartMC/tree/main/examples) maintained in a form of Jupyter notebooks

examples/additive_coag_comparison.ipynb

@@ -512,8 +512,8 @@
     "class RunDropletsJL(Run):\n",
     "    def __init__(self, _):\n",
     "        BASE_URL = (\n",
-    "            'https://raw.githubusercontent.com/emmacware/droplets.jl/REVISION/'\n",
-    "        ).replace('REVISION', 'c3b5ae4edf12c7b10dc8759639f18de1267bc52b')\n",
+    "            'https://raw.githubusercontent.com/emmacware/droplets.jl/refs/heads/main/README.md'\n",
+    "        ).replace('refs/heads/main/README.md', 'c3b5ae4edf12c7b10dc8759639f18de1267bc52b/')\n",
     "        for path in (\n",
     "            'src/SDfunc/constants.jl', 'src/SDfunc/binning.jl', 'src/SDfunc/coalescence.jl',\n",
     "        ):\n",
@@ -732,9 +732,6 @@
    "execution_count": 12,
    "id": "b33d3ccb",
    "metadata": {
-    "colab": {
-     "base_uri": "https://localhost:8080/"
-    },
     "id": "b33d3ccb",
     "outputId": "3ee99629-6f11-415e-8a65-aa5925f05610"
    },
@@ -888,18 +885,6 @@
    "execution_count": 13,
    "id": "6cc84269",
    "metadata": {
-    "colab": {
-     "base_uri": "https://localhost:8080/",
-     "height": 1000,
-     "referenced_widgets": [
-      "a70a8f1547324003bf5060e4a84ad1b7",
-      "2790c4f59c444e559a9eafc6d0efcf78",
-      "8bfad5ba5afa473ebf40426240c7d291",
-      "e491d2d597bf42218d52dd3e2d86fb64",
-      "66ea2bf94eb64790b2b53a0a7d28d1d0",
-      "dd3e2f8ce6f04a808e16ec6da1176ffc"
-     ]
-    },
     "id": "6cc84269",
     "outputId": "dc996ce6-b3ed-4278-9968-432c41ac8947"
    },