Fix runtime version (#67)

* Fix runtime version

* Use logging instead of warning

* Filter warnings from setuptools_scm

* better warning

Co-authored-by: Konstantinos Kavvadias <kavvkon@gmail.com>

dispaset/__init__.py

@@ -1,19 +1,8 @@
 import logging.config
 import os
 
-# Sets the __version__ variable
 from .common import commons
 
-try:
-    from setuptools_scm import get_version
-    version = get_version(version_scheme='post-release',
-                          local_scheme=lambda version: version.format_choice("" if version.exact else "+{node}", "+dirty"),
-                          root='..', relative_to=__file__)
-except (ImportError, LookupError):
-    import pkg_resources
-    version = pkg_resources.get_distribution(__package__).version
-__version__ = version
-
 # Logging: # TODO: Parametrize in dispacli or external config
 _LOGCONFIG = {
      "version": 1,
@@ -53,6 +42,34 @@
      }
 }
 
+# Setting logging configuration:
+try:
+    logging.config.dictConfig(_LOGCONFIG)
+except Exception:
+    # if it didn't work, it might be due to ipython messing with the output
+    # typical error: Unable to configure handler 'console': IOStream has no fileno
+    # try without console output:
+    print('WARNING: the colored console output is failing (possibly because of ipython). Switching to monochromatic output')
+    _LOGCONFIG['handlers']['console']['class'] = "logging.StreamHandler"
+    logging.config.dictConfig(_LOGCONFIG)
+
+# Sets the __version__ variable
+try:
+    from setuptools_scm import get_version
+    import warnings
+    with warnings.catch_warnings():
+        warnings.simplefilter("ignore")
+        version = get_version(version_scheme='post-release',
+                              local_scheme=lambda version: version.format_choice("" if version.exact else "+{node}", "+dirty"),
+                              root='..', relative_to=__file__)
+except (ImportError, LookupError):
+    try:
+        from pkg_resources import get_distribution, DistributionNotFound
+        version = get_distribution(__package__).version
+    except DistributionNotFound:
+        logging.warning("Unable to detect version, most probably because you did not install it properly. To avoid further errors, please install it by running 'pip install -e .'.")
+        version = 'N/A'
+__version__ = version
 
 # Importing the main Dispa-SET functions so that they can be called with "ds.function"
 from .preprocessing.data_handler import load_config_excel, load_config_yaml, load_config, export_yaml_config
@@ -73,14 +90,3 @@
         os.remove(filename)
     except OSError:
         print ('Could not erase previous log file ' + filename)
-
-# Setting logging configuration:
-try:
-    logging.config.dictConfig(_LOGCONFIG)
-except Exception:
-    # if it didn't work, it might be due to ipython messing with the output
-    # typical error: Unable to configure handler 'console': IOStream has no fileno
-    # try without console output:
-    print('WARNING: the colored console output is failing (possibly because of ipython). Switching to monochromatic output')
-    _LOGCONFIG['handlers']['console']['class'] = "logging.StreamHandler"
-    logging.config.dictConfig(_LOGCONFIG)