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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,127 @@ | ||
| #!/usr/local/bin/python3 | ||
| import pymysql | ||
| import collections | ||
| import os | ||
|
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| def get_all_enrollments(): | ||
| db = pymysql.connect(host="dbc01.oist.jp", # your host, usually localhost | ||
| user="gs_readonly", # your username | ||
| passwd=***REMOVED***, # your password | ||
| db="grad_school") # name of the database | ||
|
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| # you must create a Cursor object. It will let | ||
| # you execute all the queries you need | ||
| cur = db.cursor() | ||
|
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| # Use all the SQL you like | ||
| cur.execute("SELECT student_id, co.course_id \ | ||
| FROM student_main s \ | ||
| JOIN class_registration c ON s.id=c.student_main_id\ | ||
| JOIN gsclass g ON g.id=c.gsclass_id\ | ||
| JOIN course co ON co.id=g.course_id\ | ||
| WHERE classification='OIST Student'\ | ||
| ORDER BY preferred_n") | ||
|
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| enrollment = collections.defaultdict(set) | ||
|
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| for student, course in cur.fetchall(): | ||
| enrollment[course].add(student) | ||
|
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| db.close() | ||
| return enrollment | ||
|
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| def get_term_courses(year): | ||
|
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| db = pymysql.connect(host="dbc01.oist.jp", # your host, usually localhost | ||
| user="gs_readonly", # your username | ||
| passwd=***REMOVED***, # your password | ||
| db="grad_school") # name of the database | ||
|
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||
| # you must create a Cursor object. It will let | ||
| # you execute all the queries you need | ||
| cur = db.cursor() | ||
|
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| enrollments = [] | ||
| for term in [1,2,3]: | ||
| cur.execute("SELECT co.course_id \ | ||
| FROM gsclass g \ | ||
| JOIN course co ON co.id=g.course_id\ | ||
| WHERE class_id LIKE '{}_{}_%'\ | ||
| AND co.course_id NOT IN (\"A406\",\"A407\",\"A408\", \ | ||
| \"IND\",\"IWS\",\"SPT\") \ | ||
| ORDER BY course_id".format(year, term)) | ||
|
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| enrollments.append(set(cur.fetchall())) | ||
|
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| db.close() | ||
| return enrollments | ||
|
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| def draw_chart(enrollment, courses, term): | ||
|
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| courses = sorted([c[0] for c in courses]) | ||
|
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| chart_path = "courses_collisions_term_{}.tex".format(term) | ||
|
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| title = "Student Overlap Chart for all Years and Terms" | ||
|
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| width = 277/(len(courses)+1) | ||
| height = 180/(len(courses)+1) | ||
|
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||
| # Writing LaTeX file | ||
| f = open(chart_path, 'w') | ||
| f.write("\\documentclass[landscape,a4paper]{article}\n" | ||
| "\\usepackage[dvipsnames, table]{xcolor}\n" | ||
| "\\usepackage{tikz, geometry}\n" | ||
| "\\newgeometry{margin=1cm}\n" | ||
| "\\begin{document}\n\n" | ||
| "\\centering\n" | ||
| "\\pagestyle{empty}\n\n") | ||
|
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||
| # Title | ||
| f.write(title + "\n\\vspace{2mm}\n\n") | ||
| f.write("\\begin{tikzpicture}\n") | ||
|
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| # General style | ||
| f.write("\n% Cell style\n") | ||
| f.write("\\tikzstyle{{cell}}=[draw, rectangle, minimum height={}mm, minimum width={}mm, anchor=north west]\n" | ||
| .format(height, width)) | ||
|
|
||
| # Headers | ||
| f.write("\n% Courses - Vertical\n") | ||
| for i, course in enumerate(courses): | ||
| f.write("\\node[cell] at (0, {}mm) {{{}}}; \n" | ||
| .format(171-(i+1)*height, course)) | ||
|
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| f.write("\n% Courses - Horizontal\n") | ||
| for i, course in enumerate(courses): | ||
| f.write("\\node[cell] at ({}mm,171mm) {{{}}}; \n" | ||
| .format((i+1)*width, course)) | ||
|
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||
| # Overlap | ||
| f.write("\n% Overlap \n") | ||
| for i, courseA in enumerate(courses): | ||
| for j, courseB in enumerate(courses): | ||
| overlap = len(enrollment[courseA].intersection(enrollment[courseB])) | ||
| if i==j: | ||
| f.write("\\node[cell, fill=Gray] at ({}mm,{}mm) {{{}}}; \n" | ||
| .format((i+1)*width, 171-(i+1)*height, overlap)) | ||
| elif overlap > 0: | ||
| f.write("\\node[cell, fill = red] at ({}mm,{}mm) {{{}}}; \n" | ||
| .format((i+1)*width, 171-(j+1)*height, overlap)) | ||
| else: | ||
| f.write("\\node[cell] at ({}mm,{}mm) {{}}; \n" | ||
| .format((i+1)*width, 171-(j+1)*height)) | ||
|
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| f.write("\\end{tikzpicture}\n" | ||
| "\\end{document}") | ||
| f.close() | ||
|
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| os.system("pdflatex -output-directory=. {}".format(chart_path)) | ||
| os.system("rm *.aux *.log") | ||
|
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| if __name__ == '__main__': | ||
| all_enrollment = get_all_enrollments() | ||
| term_courses = get_term_courses(2019) | ||
| for term, courses in enumerate(term_courses): | ||
| draw_chart(all_enrollment, courses, term + 1) |
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