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course3.py
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course3.py
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import bisect
import json
from dataclasses import asdict, astuple, dataclass, field, fields
from util import dataclassToJson
@dataclass
class Course:
subjectId: int
course: int
campusId: int
semesterId: int
year: int
creditHours: list = None
sectionIds: list = None
titleId: int = None
descriptionId: int = None
tagIds: set = None
lectureHours: int = None
labHours: int = None
levelId: int = None
scheduleTypeIds: list = None
restrictionIds: list = None
prerequisiteId: int = None
courseAttributeIds: list = None
# https://docs.python.org/3/library/bisect.html#searching-sorted-lists
def bisectIndex(ls: list, value) -> int:
if value is None:
return -1
index = bisect.bisect_left(ls, value)
if index != len(ls) and ls[index] == value:
return index
return -1
if __name__ == '__main__':
subjects: list = json.load(open('subject.json', 'r'))
subjects = [
subject['code']
for subject in subjects
]
courses: list = json.load(open('course2.json', 'r'))
for course in courses:
subjectCode: str = course['subject']
subjectId = bisectIndex(subjects, subjectCode)
course['subjectId'] = subjectId
keys = [f.name for f in fields(Course)]
courses = [
Course(**{key: c[key] for key in keys})
for c in courses
]
dataclassToJson(Course, courses, 'course3', sort=False)