[segment] added kubecontext segment

Author: sandjaie

.gitignore

@@ -9,3 +9,142 @@ config.json
 powerline-shell.json
 .DS_Store
 *sublime*
+
+# Byte-compiled / optimized / DLL files
+__pycache__/
+*.py[cod]
+*$py.class
+
+# C extensions
+*.so
+
+# Distribution / packaging
+.Python
+build/
+develop-eggs/
+dist/
+downloads/
+eggs/
+.eggs/
+lib/
+lib64/
+parts/
+sdist/
+var/
+wheels/
+share/python-wheels/
+*.egg-info/
+.installed.cfg
+*.egg
+MANIFEST
+
+# PyInstaller
+#  Usually these files are written by a python script from a template
+#  before PyInstaller builds the exe, so as to inject date/other infos into it.
+*.manifest
+*.spec
+
+# Installer logs
+pip-log.txt
+pip-delete-this-directory.txt
+
+# Unit test / coverage reports
+htmlcov/
+.tox/
+.nox/
+.coverage
+.coverage.*
+.cache
+nosetests.xml
+coverage.xml
+*.cover
+*.py,cover
+.hypothesis/
+.pytest_cache/
+cover/
+
+# Translations
+*.mo
+*.pot
+
+# Django stuff:
+*.log
+local_settings.py
+db.sqlite3
+db.sqlite3-journal
+
+# Flask stuff:
+instance/
+.webassets-cache
+
+# Scrapy stuff:
+.scrapy
+
+# Sphinx documentation
+docs/_build/
+
+# PyBuilder
+.pybuilder/
+target/
+
+# Jupyter Notebook
+.ipynb_checkpoints
+
+# IPython
+profile_default/
+ipython_config.py
+
+# pyenv
+#   For a library or package, you might want to ignore these files since the code is
+#   intended to run in multiple environments; otherwise, check them in:
+# .python-version
+
+# pipenv
+#   According to pypa/pipenv#598, it is recommended to include Pipfile.lock in version control.
+#   However, in case of collaboration, if having platform-specific dependencies or dependencies
+#   having no cross-platform support, pipenv may install dependencies that don't work, or not
+#   install all needed dependencies.
+#Pipfile.lock
+
+# PEP 582; used by e.g. github.com/David-OConnor/pyflow
+__pypackages__/
+
+# Celery stuff
+celerybeat-schedule
+celerybeat.pid
+
+# SageMath parsed files
+*.sage.py
+
+# Environments
+.env
+.venv
+env/
+venv/
+ENV/
+env.bak/
+venv.bak/
+
+# Spyder project settings
+.spyderproject
+.spyproject
+
+# Rope project settings
+.ropeproject
+
+# mkdocs documentation
+/site
+
+# mypy
+.mypy_cache/
+.dmypy.json
+dmypy.json
+
+# Pyre type checker
+.pyre/
+
+# pytype static type analyzer
+.pytype/
+
+# Cython debug symbols
+cython_debug/

powerline_shell/colortrans.py

@@ -106,13 +106,13 @@ def rgbstring2tuple(s):
     (95, 175, 215): 74,
     (95, 175, 255): 75,
     (95, 215, 0):   76,
-    (95, 215, 95) : 77,
+    (95, 215, 95):  77,
     (95, 215, 135): 78,
     (95, 215, 175): 79,
     (95, 215, 215): 80,
     (95, 215, 255): 81,
     (95, 255, 0):   82,
-    (95, 255, 95) : 83,
+    (95, 255, 95):  83,
     (95, 255, 135): 84,
     (95, 255, 175): 85,
     (95, 255, 215): 86,

powerline_shell/segments/kubecontext.py

@@ -0,0 +1,15 @@
+"""
+Shows the exported kubectl context
+e.g $ export KUBECONFIG=~/.kube/config-staging-cluster
+"""
+from ..utils import BasicSegment
+import os
+
+
+class Segment(BasicSegment):
+    def add_to_powerline(self):
+        kubecontext = os.environ.get("KUBECONFIG")
+        if kubecontext:
+            self.powerline.append(" kctx:%s " % os.path.basename(kubecontext),
+                                  self.powerline.theme.KUBECONFIG_FG,
+                                  self.powerline.theme.KUBECONFIG_BG)

powerline_shell/themes/basic.py

@@ -43,3 +43,6 @@ class Color(DefaultColor):
 
     TIME_FG = 8
     TIME_BG = 7
+
+    KUBECONFIG_FG = 14
+    KUBECONFIG_BG = 8

powerline_shell/themes/default.py

@@ -75,6 +75,8 @@ class DefaultColor(object):
     TIME_FG = 250
     TIME_BG = 238
 
+    KUBECONFIG_FG = 38
+    KUBECONFIG_BG = 239
 
 class Color(DefaultColor):
     """

powerline_shell/themes/gruvbox.py

@@ -109,3 +109,6 @@ class Color(DefaultColor):
 
     TIME_FG = light2
     TIME_BG = dark4
+
+    KUBECONFIG_BG = neutral_blue
+    KUBECONFIG_FG = dark2

powerline_shell/themes/solarized_dark.py

@@ -42,3 +42,6 @@ class Color(DefaultColor):
 
     TIME_FG = 15
     TIME_BG = 10
+
+    KUBECONFIG_FG = 7
+    KUBECONFIG_BG = 2

powerline_shell/themes/washed.py

@@ -42,3 +42,6 @@ class Color(DefaultColor):
 
     TIME_FG = 8
     TIME_BG = 7
+
+    KUBECONFIG_FG = 0
+    KUBECONFIG_BG = 7

setup.py

@@ -2,7 +2,7 @@
 from setuptools import setup, find_packages
 
 setup(
-    name="powerline-shell",
+    name="powerline-shell-test",
     version="0.7.0",
     description="A pretty prompt for your shell",
     author="Buck Ryan",
@@ -27,6 +27,6 @@
     ],
     entry_points="""
     [console_scripts]
-    powerline-shell=powerline_shell:main
+    powerline-shell-test=powerline_shell:main
     """,
 )