add rofi opening script for exercises

scripts/rofi-exercises.py

@@ -0,0 +1,49 @@
+#!/usr/bin/python3
+from courses import Courses
+from exercises import Exercises
+from rofi import rofi
+from config import MAX_LEN
+import sys
+
+
+def rofi_pick_exercise(spec: str = 'writeup'):
+    exercises = Courses().current.exercises
+    switcher = {
+        'writeup': Exercises.writeups,
+        'solution': Exercises.solutions,
+        'sheet': Exercises.sheets
+    }
+
+    sorted_ex = sorted(switcher[spec].fget(exercises), key=lambda e: -e.number)
+
+    options = [
+        "{number: >2}".format(
+            number=ex.number
+        )
+        for ex in sorted_ex
+    ]
+
+    switcher = {
+        'writeup': 'writeup',
+        'solution': 'solution',
+        'sheet': 'sheet'
+    }
+
+    key, index, selected = rofi('Select number of exercise {spec}'.format(spec=switcher[spec]), options, [
+        '-lines', max(5, min(15, len(sorted_ex))),
+        '-markup-rows',
+        '-kb-custom-1', 'Alt+n'
+    ])
+
+    if key == 0:
+        sorted_ex[index].open()
+    elif key == 1:
+        pass  # TODO: make new exercise
+
+
+if __name__ == '__main__':
+    if not len(sys.argv) == 1:
+        print('Please specify exactly one of "writeup", "solution" and "sheet"')
+        exit(1)
+    rofi_pick_exercise('sheet')
+    exit(0)

scripts/window_subprocess.py

@@ -5,13 +5,13 @@ from pathlib import Path
 import os
 
 
-def edit(filepath: Path, rootpath: Path = None, env=os.environ):
+def edit(filepath: Path, rootpath: Path = None, env=os.environ, servername='tex lecture'):
     if not rootpath:
         rootpath = filepath.root
     subprocess.Popen([
         "termite",
         "-e",
-        f"vim --servername tex-vorlesung --remote-silent {str(filepath)}"
+        f"vim --servername {servername} --remote-silent {str(filepath)}"
     ], env=env, cwd=str(rootpath))