university-setup/scripts/courses.py

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#!/usr/bin/python3
from pathlib import Path
import yaml
from lectures import Lectures
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from config import ROOT, CURRENT_COURSE_ROOT, CURRENT_COURSE_SYMLINK, CURRENT_COURSE_WATCH_FILE, COURSE_IGNORE_FILE, \
COURSE_INFO_FILE
class Course:
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def __init__(self, path):
self.path = path
self.name = path.stem
self.info = yaml.safe_load((path / COURSE_INFO_FILE).open())
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self._lectures = None
@property
def lectures(self):
if not self._lectures:
self._lectures = Lectures(self)
return self._lectures
def __eq__(self, other):
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if other is None:
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return False
return self.path == other.path
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def ignored_courses():
with open(ROOT / COURSE_IGNORE_FILE) as ignore:
lines = ignore.readlines()
paths = []
for line in lines:
paths.append(ROOT / line.strip())
return paths
def read_files():
course_directories = [x for x in ROOT.iterdir() if x.is_dir() and x not in ignored_courses()]
_courses = [Course(path) for path in course_directories]
return sorted(_courses, key=lambda c: c.name)
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class Courses(list):
def __init__(self):
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list.__init__(self, read_files())
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@property
def current(self):
return Course(CURRENT_COURSE_ROOT.resolve())
@current.setter
def current(self, course):
CURRENT_COURSE_SYMLINK.unlink()
CURRENT_COURSE_SYMLINK.symlink_to(course.path)
CURRENT_COURSE_WATCH_FILE.write_text('{}\n'.format(course.info['short']))