Initial version, modified original by als

.gitignore

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+###SublimeText###
+
+# cache files for sublime text
+*.tmlanguage.cache
+*.tmPreferences.cache
+*.stTheme.cache
+
+# workspace files are user-specific
+*.sublime-workspace
+
+# project files should be checked into the repository, unless a significant
+# proportion of contributors will probably not be using SublimeText
+# *.sublime-project
+
+# sftp configuration file
+sftp-config.json
+
+
+###Python###
+
+# 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/
+*.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/
+.coverage
+.coverage.*
+.cache
+nosetests.xml
+coverage.xml
+*.cover
+.hypothesis/
+
+# Translations
+*.mo
+*.pot
+
+# Django stuff:
+*.log
+.static_storage/
+.media/
+local_settings.py
+
+# Flask stuff:
+instance/
+.webassets-cache
+
+# Scrapy stuff:
+.scrapy
+
+# Sphinx documentation
+docs/_build/
+
+# PyBuilder
+target/
+
+# Jupyter Notebook
+.ipynb_checkpoints
+
+# pyenv
+.python-version
+
+# celery beat schedule file
+celerybeat-schedule
+
+# 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/

LICENSE

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+Creative Commons Legal Code
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PyEclipseLaunch.py

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+#!/usr/bin/env python3
+
+# Python Eclipse Launcher by Alexander Schulz-Rosengarten
+# Modified by Nis Wechselberg <enbewe@enbewe.de>
+#
+# To the extent possible under law, the person who associated CC0 with
+# Python Eclipse Launcher has waived all copyright and related or
+# neighboring rights to Python Eclipse Launcher.
+#
+# You should have received a copy of the CC0 legalcode along with this
+# work. If not, see <http://creativecommons.org/publicdomain/zero/1.0/>.
+
+"""
+Python Eclipse Launcher
+
+Small launcher application to access the different eclipse installations
+in a common main directory.
+"""
+
+from subprocess import Popen
+import sys
+import os
+import re
+
+import gi
+gi.require_version('Gtk', '3.0')
+from gi.repository import Gtk
+
+# The common main directory for the eclipse installations
+ECLIPSES_DIR = "/home/enbewe/Software/Eclipse"
+
+
+ ######   ##     ## ####
+##    ##  ##     ##  ##
+##        ##     ##  ##
+##   #### ##     ##  ##
+##    ##  ##     ##  ##
+##    ##  ##     ##  ##
+ ######    #######  ####
+
+class LauncherWindow(Gtk.ApplicationWindow):
+    """GTK window construction"""
+    def __init__(self, app):
+        Gtk.Window.__init__(self, title="Eclipse Launcher", application=app)
+        # configure window
+        self.set_default_size(200, 400)
+        #self.set_resizable(False)
+        self.set_position(Gtk.WindowPosition.CENTER)
+        self.set_icon_from_file(get_resource_path(ECLIPSES_DIR+"/icon.png"))
+
+        # the scrolled panel
+        scrolled_window = Gtk.ScrolledWindow()
+        scrolled_window.set_border_width(15)
+        scrolled_window.set_policy(Gtk.PolicyType.NEVER, Gtk.PolicyType.AUTOMATIC)
+
+        # a grid
+        grid = Gtk.Grid()
+        # some space between the row of the grid
+        grid.set_row_spacing(2)
+
+        eclipses = []
+        for entry in [edir for edir in os.listdir(ECLIPSE_DIR_RES) if is_eclipse_dir(edir)]:
+            eclipses.append(entry)
+
+        eclipses.sort(key=natural_sort_key)
+        if eclipses:
+            eclipse_label = Gtk.Button()
+            eclipse_label.set_label(to_label(eclipses[0]))
+            eclipse_label.set_relief(Gtk.ReliefStyle.NONE)
+            eclipse_label.connect("clicked", start_eclipse, eclipses[0])
+            eclipse_label.set_hexpand(True)
+            grid.attach(eclipse_label, 0, 0, 1, 1)
+
+            for eclipse in eclipses[1:]:
+                next_eclipse_label = Gtk.Button()
+                next_eclipse_label.set_label(to_label(eclipse))
+                next_eclipse_label.set_relief(Gtk.ReliefStyle.NONE)
+                next_eclipse_label.connect("clicked", start_eclipse, eclipse)
+                next_eclipse_label.set_hexpand(True)
+                grid.attach_next_to(
+                    next_eclipse_label, eclipse_label, Gtk.PositionType.BOTTOM, 1, 1)
+                eclipse_label = next_eclipse_label
+
+        # add the grid to the scrolled window
+        scrolled_window.add_with_viewport(grid)
+        # add the scrolled window to the window
+        self.add(scrolled_window)
+
+class LauncherApp(Gtk.Application):
+    """Main GTK application"""
+    def __init__(self):
+        Gtk.Application.__init__(self)
+
+    def do_activate(self):
+        """Create and activate a window"""
+        win = LauncherWindow(self)
+        win.show_all()
+
+    def do_startup(self):
+        """Application startup handler"""
+        Gtk.Application.do_startup(self)
+
+##     ## ######## #### ##       #### ######## ##    ##
+##     ##    ##     ##  ##        ##     ##     ##  ##
+##     ##    ##     ##  ##        ##     ##      ####
+##     ##    ##     ##  ##        ##     ##       ##
+##     ##    ##     ##  ##        ##     ##       ##
+##     ##    ##     ##  ##        ##     ##       ##
+ #######     ##    #### ######## ####    ##       ##
+
+def get_resource_path(rel_path):
+    """Resolve a relative or absolute path"""
+    dir_of_py_file = os.path.dirname(__file__)
+    rel_path_to_resource = os.path.join(dir_of_py_file, rel_path)
+    abs_path_to_resource = os.path.abspath(rel_path_to_resource)
+    return abs_path_to_resource
+
+def start_eclipse(_self, eclipse):
+    """Fork eclipse process"""
+    menv = os.environ.copy()
+    # menv["SWT_GTK3"] = "0"
+    Popen([ECLIPSE_DIR_RES+"/"+eclipse+"/eclipse/eclipse"], env=menv, start_new_session=True)
+    sys.exit(1)
+
+def to_label(name):
+    """Extract button label from folder name"""
+    return " ".join(map(str.capitalize, name.split("-")))
+
+def natural_sort_key(line, _nsre=re.compile('([0-9]+)')):
+    """Extract sort keys from given lines"""
+    return [int(text) if text.isdigit() else text.lower() for text in re.split(_nsre, line)]
+
+def is_eclipse_dir(dirname):
+    """Check if the given path points to an eclipse installation"""
+    path = ECLIPSE_DIR_RES+"/"+dirname
+    return os.path.isdir(path) and os.path.isfile(path+"/eclipse/eclipse")
+
+##     ##    ###    #### ##    ##
+###   ###   ## ##    ##  ###   ##
+#### ####  ##   ##   ##  ####  ##
+## ### ## ##     ##  ##  ## ## ##
+##     ## #########  ##  ##  ####
+##     ## ##     ##  ##  ##   ###
+##     ## ##     ## #### ##    ##
+
+# Create and run the application
+ECLIPSE_DIR_RES = get_resource_path(ECLIPSES_DIR)
+EXIT_STATE = LauncherApp().run(sys.argv)
+# exit with the value returned by running the program
+sys.exit(EXIT_STATE)

PyEclipseLaunch.sublime-project

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+{
+	"folders":
+	[
+		{
+			"path": "."
+		}
+	]
+}

README.md

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+# Python Eclipse Launcher Tool
+
+Small GTK based tool to start Eclipse installations stored in a common
+directory. This is primarily useful when using multiple Eclipse Installations
+created through the Oomph installer.
+
+## Installation
+
+* Clone the repository to any location
+* Adjust the variable `ECLIPSES_DIR` to point to your common Eclipse root.
+* Create a launcher shortcut to this script.
+
+## License
+
+```
+Python Eclipse Launcher by Alexander Schulz-Rosengarten
+Modified by Nis Wechselberg <enbewe@enbewe.de>
+
+To the extent possible under law, the person who associated CC0 with
+Python Eclipse Launcher has waived all copyright and related or
+neighboring rights to Python Eclipse Launcher.
+
+You should have received a copy of the CC0 legalcode along with this
+work. If not, see <http://creativecommons.org/publicdomain/zero/1.0/>.
+```
+
+The full copy of the CC0 legalcode can be found in the file LICENSE.