Python3 messages for installation

CMakeLists.txt

@@ -474,6 +474,13 @@ ecbuild_info("   |  ecCodes version ${ECCODES_VERSION}  |")
 ecbuild_info("   +--------------------------+")
 ecbuild_info("")
 
-if (HAVE_PYTHON AND PYTHON_VERSION_MAJOR GREATER 2)
-    ecbuild_info("Please note: For Python3 bindings:\n\tFirst install ecCodes and then install from PyPI with::\n\tpip install eccodes-python\n")
+if (PYTHON_FOUND AND PYTHON_VERSION_MAJOR EQUAL 3)
+    ecbuild_info("   +--------------------------------------+")
+    ecbuild_info("   | Please note:                         |")
+    ecbuild_info("   | For Python3 support, first install   |")
+    ecbuild_info("   | ecCodes and then install the Python  |")
+    ecbuild_info("   | bindings from PyPI with:             |")
+    ecbuild_info("   |   $ pip install eccodes-python       |")
+    ecbuild_info("   +--------------------------------------+")
+    ecbuild_info("")
 endif()

INSTALL

@@ -34,6 +34,8 @@ However it requires that cmake be installed on your system.
    > make install
 
 To add the Python3 bindings, use pip install from PyPI as follows:
+   > pip install eccodes-python
+   or
    > pip install --install-option="--prefix=/path/to/where/you/install/eccodes" eccodes-python
 
 You can also pass options to the cmake command above. Some typical examples are:

README.md

@@ -53,6 +53,10 @@ INSTALLATION
    ```
 
 To add the Python3 bindings, use pip install from PyPI as follows:
+   ```
+   pip install eccodes-python
+   ```
+   or
    ```
    pip install --install-option="--prefix=/path/to/where/you/install/eccodes" eccodes-python
    ```