Mention conda package in the documentation

Author: fcollonval

README.md

@@ -96,19 +96,16 @@ Use of a python `virtualenv` or a conda env is also recommended.
    conda install -c conda-forge python=3
    ```
 
-1. install JupyterLab
+1. install JupyterLab and the server extension
 
    ```bash
-   conda install -c conda-forge 'jupyterlab>=2.2,<3.0.0a0'
+   conda install -c conda-forge 'jupyterlab>=2.2,<3.0.0a0' jupyter-lsp
    # or
-   pip install 'jupyterlab>=2.2,<3.0.0a0'
+   pip install 'jupyterlab>=2.2,<3.0.0a0' jupyter-lsp
    ```
 
-1. install the server extension:
-
-   ```bash
-   pip install jupyter-lsp
-   ```
+   > Note: With conda, you could take advantage of the meta-packages `jupyter-lsp-python`
+   > or `jupyter-lsp-r` to install the language server and the server extension.
 
 1. install `nodejs`
 
@@ -175,6 +172,9 @@ Use of a python `virtualenv` or a conda env is also recommended.
 To update previously installed extensions:
 
 ```bash
+conda update jupyter-lsp
+jupyter labextension update @krassowski/jupyterlab-lsp
+# or
 pip install -U jupyter-lsp
 jupyter labextension update @krassowski/jupyterlab-lsp
 ```

docs/Installation.ipynb

@@ -97,10 +97,9 @@
     "#### conda (minimal python)\n",
     "\n",
     "```bash\n",
-    "conda create -c conda-forge -n lsp 'python >=3.7,<3.8' 'jupyterlab={JUPYTERLAB_VERSION}' 'nodejs>10' python-language-server\n",
-    "# Also consider: r-languageserver [*]\n",
-    "source activate lsp\n",
-    "python -m pip install 'jupyter-lsp={JUPYTER_LSP_VERSION}' --no-deps\n",
+    "conda create -c conda-forge -n lsp 'python >=3.7,<3.8' 'jupyterlab={JUPYTERLAB_VERSION}' 'nodejs>10' 'jupyter-lsp-python={JUPYTER_LSP_VERSION}'\n",
+    "# Also consider: jupyter-lsp-r [*]\n",
+    "conda activate lsp\n",
     "jupyter labextension install '@krassowski/jupyterlab-lsp@{JUPYTERLAB_LSP_VERSION}'\n",
     "```\n",
     "\n",
@@ -146,7 +145,6 @@
     "    'r-languageserver' \\\n",
     "    'texlab' \\\n",
     "    'chktex' \\\n",
-    "  && python3 -m pip install --no-cache-dir --no-deps \\\n",
     "    'jupyter-lsp={JUPYTER_LSP_VERSION}' \\\n",
     "  && jupyter labextension install --no-build \\\n",
     "    '@krassowski/jupyterlab-lsp@{JUPYTERLAB_LSP_VERSION}' \\\n",
@@ -261,6 +259,15 @@
     "%%markdown\n",
     "#### Install Jupyter[Lab] LSP\n",
     "\n",
+    "##### conda\n",
+    "\n",
+    "```bash\n",
+    "conda install jupyter-lsp={JUPYTER_LSP_VERSION}\n",
+    "jupyter labextension install @krassowski/jupyterlab-lsp@{JUPYTERLAB_LSP_VERSION}\n",
+    "```\n",
+    "\n",
+    "##### pip\n",
+    "\n",
     "```bash\n",
     "pip install jupyter-lsp={JUPYTER_LSP_VERSION}\n",
     "jupyter labextension install @krassowski/jupyterlab-lsp@{JUPYTERLAB_LSP_VERSION}\n",
@@ -304,4 +311,4 @@
  },
  "nbformat": 4,
  "nbformat_minor": 4
-}
+}

py_src/jupyter_lsp/specs/pyls.py

@@ -17,8 +17,18 @@ class PythonLanguageServer(PythonModuleSpec):
             conda="conda install -c conda-forge python-language-server",
         ),
         extend=[
-            dict(display_name="pyls-mypy", install=dict(pip="pip install pyls-mypy")),
-            dict(display_name="pyls-black", install=dict(pip="pip install pyls-black")),
+            dict(
+                display_name="pyls-mypy",
+                install=dict(
+                    pip="pip install pyls-mypy", conda="conda install pyls-mypy"
+                ),
+            ),
+            dict(
+                display_name="pyls-black",
+                install=dict(
+                    pip="pip install pyls-black", conda="conda install pyls-black"
+                ),
+            ),
             dict(display_name="pyls-isort", install=dict(pip="pip install pyls-isort")),
         ],
         config_schema=load_config_schema(key),