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Ad hoc fix for math department classes.
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,84 @@ | ||
| """ | ||
| This isn't run automatically, but it is a temporary workaround to the math classes being wrong. | ||
| Used to generate the math overrides in package.py | ||
| """ | ||
|
|
||
| from bs4 import BeautifulSoup | ||
| from fireroad import parse_timeslot, parse_section | ||
| from pprint import pprint | ||
| import requests | ||
|
|
||
| response = requests.get("https://math.mit.edu/academics/classes.html") | ||
| soup = BeautifulSoup(response.text, features="lxml") | ||
| course_list = soup.find("ul", {"class": "course-list"}) | ||
| rows = course_list.findAll("li", recursive=False) | ||
|
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| def parse_when(when): | ||
| # special casing is good enough (otherwise this could be a for loop) | ||
| if when[1].isdigit(): | ||
| r = when[:1], when[1:] | ||
| elif when[2].isdigit(): | ||
| r = when[:2], when[2:] | ||
| elif when[3].isdigit(): | ||
| r = when[:3], when[3:] | ||
| else: | ||
| assert False | ||
| days, times = r | ||
| # fireroad.py wants dots instead of colons | ||
| times = times.replace(":", ".") | ||
| return days, times | ||
|
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||
| assert parse_when("F10:30-12") == ("F", "10.30-12") | ||
| assert parse_when("MW1") == ("MW", "1") | ||
| assert parse_when("MWF11") == ("MWF", "11") | ||
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| def parse_many_timeslots(days, times): | ||
| # parse timeslot wants only one letter | ||
| return [parse_timeslot(day, times) for day in days] | ||
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| def make_raw_sections(days, times, room): | ||
| return f"{room}/{days}/0/{times}" | ||
|
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| def make_section_override(timeslots, room): | ||
| return [[timeslots, room]] | ||
| # lol this is wrong | ||
| #return [[section, room] for section in timeslots] | ||
|
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| overrides = {} | ||
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| for row in rows: | ||
| subject = row.find("div", {"class": "subject"}).text | ||
| # remove "J" from joint subjects | ||
| subject = subject.replace("J", "") | ||
|
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||
| # special case specific to math, if a slash it means that there | ||
| # is an additional graduate subject ending in 1 | ||
| if " / " in subject: | ||
| subject = subject.split(" / ")[0] | ||
| subjects = [subject, f"{subject}1"] | ||
| else: | ||
| subjects = [subject] | ||
| assert ["/" not in subject for subject in subjects] | ||
|
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| where_when = row.find("div", {"class": "where-when"}) | ||
| when, where = where_when.findAll("div", recursive=False) | ||
| where = where.text | ||
| when = when.text | ||
| if ";" in when: | ||
| # Don't want to handle special case - calculus, already right | ||
| continue | ||
| days, times = parse_when(when) | ||
| timeslots = parse_many_timeslots(days, times) | ||
| for subject in subjects: | ||
| lecture_raw_sections = make_raw_sections(days, times, where) | ||
| lecture_sections = make_section_override(timeslots, where) | ||
| overrides[subject] = { | ||
| "lectureRawSections": lecture_raw_sections, | ||
| "lectureSections": lecture_sections | ||
| } | ||
| # Make sure the raw thing that I do not comprehend is actually correct | ||
| assert parse_section(lecture_raw_sections) == lecture_sections[0] | ||
|
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||
| pprint(overrides) |
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