Revert "Deprecated platform method in Python 3.7 #945"

This reverts commit 4877be45.

NEWS

@@ -21,7 +21,6 @@ Enhancements and news features:
     * Configure server cached time from the command line --cached-time (issue #901)
     * Make the log logger configurable (issue #900)
     * System uptime in export (issue #890)
-    * Deprecated platform method in Python 3.7 (issue #945)
     * Refactor the --disable-* options (issue #948)
 
 Bugs corrected:

glances/plugins/glances_system.py

@@ -23,14 +23,7 @@ import os
 import platform
 import re
 from io import open
-try:
-    import distro
-except ImportError:
-    distro_tag = False
-else:
-    distro_tag = True
-
-from glances.logger import logger
+
 from glances.compat import iteritems
 from glances.plugins.glances_plugin import GlancesPlugin
 
@@ -120,19 +113,11 @@ class Plugin(GlancesPlugin):
             self.stats['hostname'] = platform.node()
             self.stats['platform'] = platform.architecture()[0]
             if self.stats['os_name'] == "Linux":
-                if distro_tag:
-                    # Use the distro external lib
-                    # Why ?
-                    # Because platform.linux_distribution is predicated in Python 3.7
-                    linux_distro = distro.linux_distribution()
-                    self.stats['linux_distro'] = ' '.join(linux_distro[:2])
+                linux_distro = platform.linux_distribution()
+                if linux_distro[0] == '':
+                    self.stats['linux_distro'] = _linux_os_release()
                 else:
-                    try:
-                        # For Python < 3.7
-                        linux_distro = platform.linux_distribution()
-                        self.stats['linux_distro'] = ' '.join(linux_distro[:2])
-                    except AttributeError:
-                        self.stats['linux_distro'] = _linux_os_release()
+                    self.stats['linux_distro'] = ' '.join(linux_distro[:2])
                 self.stats['os_version'] = platform.release()
             elif self.stats['os_name'].endswith('BSD'):
                 self.stats['os_version'] = platform.release()

requirements.txt

 psutil==4.4.0
-distro==1.0.0

setup.py

@@ -33,7 +33,7 @@ def get_data_files():
 
 
 def get_requires():
-    requires = ['psutil>=2.0.0', 'distro>=1.0.0']
+    requires = ['psutil>=2.0.0']
 
     return requires