update documentation and style

.gitignore

@@ -303,3 +303,4 @@ _unittests/ut_challenge/*.shx
 _unittests/ut_challenge/*.dbf
 _unittests/ut_challenge/*.zip
 
+_doc/sphinxdoc/source/phdoc_static/style_notebook_snippet.css

_doc/sphinxdoc/source/conf.py

@@ -20,7 +20,7 @@
             "pyquickhelper",
             "src")))
 
-from pyquickhelper.helpgen.default_conf import set_sphinx_variables
+from pyquickhelper.helpgen.default_conf import set_sphinx_variables, get_default_stylesheet
 
 set_sphinx_variables(__file__, "ensae_projects", "ENSAE", 2016,
                      "alabaster",  # "sphinx_py3doc_enhanced_theme",
@@ -35,5 +35,5 @@
 blog_background = False
 
 html_context = {
-    'css_files': ['_static/my-styles.css'],
+    'css_files': get_default_stylesheet() + ['_static/my-styles.css'],
 }

src/ensae_projects/data/croix_rouge.py

@@ -29,10 +29,13 @@ def get_password_from_keyring_or_env(pwd):
     if pwd is None:
         import keyring
         pwd = keyring.get_password("HACKATHON2015", "PWDCROIXROUGE")
-        if pwd is None and "PWDCROIXROUGE" not in os.environ:
-            raise PasswordException(
-                "password not found in environment variables: PWDCROIXROUGE is not set")
-        return bytes(os.environ["PWDCROIXROUGE"], encoding="ascii")
+        if pwd is None:
+            if "PWDCROIXROUGE" not in os.environ:
+                raise PasswordException(
+                    "password not found in environment variables: PWDCROIXROUGE is not set")
+            else:
+                pwd = os.environ["PWDCROIXROUGE"]
+        return bytes(pwd, encoding="ascii")
     elif not isinstance(pwd, bytes):
         return bytes(pwd, encoding="ascii")
     else: