Fix doc, lazy-install dependencies & disable PyInstaller for Python 3.10

.travis.yml

@@ -10,53 +10,59 @@ python:
   - "pypy3"
 
 install:
-  # Archey package installation (and dependencies).
+  # Archey package (and dependencies) install.
   - pip3 install .
 
-  # Pylint, Stickytape, PyInstaller and PEX external dependencies (see below).
-  - pip3 install pylint stickytape pyinstaller pex
+  # Pylint development dependency install.
+  - pip3 install pylint
 
 script:
   # Simple execution.
   - time "${VIRTUAL_ENV}/bin/archey"
   - time python3 -m archey
 
   # Tests suite.
-  - python3 setup.py -q test
   - python3 -m unittest
+  - python3 -q setup.py test
 
   # Lint all the things !
   - pylint archey/
 
   # Build a standalone script from sources (Stickytape).
   - >
+      pip3 install stickytape && \
       stickytape \
         --copy-shebang \
         --add-python-path . \
         --output-file dist/archey \
-        archey/__main__.py
-  - chmod +x dist/archey
-  - time ./dist/archey
+        archey/__main__.py && \
+      chmod +x dist/archey && \
+      time ./dist/archey && \
+      rm ./dist/archey
 
   # Build a standalone script from sources (PyInstaller).
   # Disabled against Python 3.4 (PyInstaller does not support it since 4.0).
+  # Disabled against Python 3.10 (`lazy-object-proxy` PyInstaller dependency install fails).
   # Disabled against PyPy (see <https://stackoverflow.com/a/22245203>).
   - >
-      if ! [[ "$TRAVIS_PYTHON_VERSION" =~ ^(3\.4|pypy3)$ ]]; then
-        rm ./dist/archey
+      if ! [[ "$TRAVIS_PYTHON_VERSION" =~ ^(3\.4|3\.10|pypy3)$ ]]; then
+        pip3 install pyinstaller && \
         pyinstaller \
           --distpath dist \
           --specpath dist \
           --name archey \
           --onefile archey/__main__.py \
-          --log-level WARN
-        time ./dist/archey
+          --log-level WARN && \
+        time ./dist/archey && \
+        rm ./dist/archey
       fi
 
   # Build a standalone script from sources (PEX).
   - >
+      pip3 install pex && \
       pex \
         -o dist/archey \
         -m archey \
-        .
-  - time ./dist/archey
+        . && \
+      time ./dist/archey && \
+      rm ./dist/archey

README.md

@@ -128,14 +128,14 @@ mkdir -p ~/.config/archey4
 cp archey/config.json ~/.config/archey4/config.json
 ```
 
-#### Step 4 (optional) : Building & Installing
+#### Step 4 (optional) : Standalone building
 
 > Some years ago, Archey was a simple and unique Python file.  
 > Project evolved, and now it's a proper module.  
 > Some procedures below walk you through several ways of building Archey as a standalone program.
 
 ```bash
-# Using StickyTape :
+# Using Stickytape :
 sudo pip3 install stickytape
 stickytape \
 	--copy-shebang \
@@ -336,9 +336,11 @@ Here is a short procedure to run them (you'll only need `python3`) :
 ```bash
 git clone https://github.com/HorlogeSkynet/archey4.git
 cd archey4/
-# If you got `setuptools` installed
+
+# Run the suite from SetupTools.
 python3 setup.py test
-# But if you don't, no worries !
+
+# Run the suite from the unit testing framework itself.
 python3 -m unittest
 ```