#!/usr/bin/env python # encoding: utf-8 import pandas as pd import numpy as np from math import ceil # Values manipulations def round_half_point(val): try: return 0.5 * ceil(2.0 * val) except ValueError: return val latex_caract = ["\\NoRep", "\\RepZ", "\\RepU", "\\RepD", "\\RepT"] def note_to_rep(x): r""" Transform a Note to the latex caracter >>> d = {"Eleve":["E1"]*6 + ["E2"]*6, ... "Nom": ["N1"]*4+["N2"]*2 + ["N1"]*4+["N2"]*2, ... "Exercice":["Ex1"]*2+["Ex2"]*2+["Ex1"]+["Ex2"] + ["Ex1"]*2+["Ex2"]*2+["Ex1"]+["Ex2"], ... "Question":["Q1"]+["Q2"]+["Q1"]+["Q2"]+["Q1"]+["Q1"] + ["Q1"]+["Q2"]+["Q1"]+["Q2"]+["Q1"]+["Q1"], ... "Date":["16/09/2016"]*4+["01/10/2016"]*2 + ["16/09/2016"]*4+["01/10/2016"]*2, ... "Trimestre": ["1"]*12, ... "Bareme":[1]*2+[2]*2+[2]*2 + [1]*2+[2]*2+[2]*2, ... "Niveau":[0]*4+[1]*2 + [0]*4+[1]*2, ... "Note":[1, 0.33, 2, 1.5, 1, 3, 0.666, 1, 1.5, 1, 2, 3], ... } >>> df = pd.DataFrame(d) >>> note_to_rep(df.loc[0]) 1.0 >>> note_to_rep(df.loc[4]) '\\RepU' """ if x["Niveau"]: if pd.isnull(x["Note"]): return latex_caract[0] elif x["Note"] in range(4): return latex_caract[int(x["Note"])+1] return x["Note"] def note_to_mark(x): """ Compute the mark when it is a "Nivea" note >>> d = {"Eleve":["E1"]*6 + ["E2"]*6, ... "Nom": ["N1"]*4+["N2"]*2 + ["N1"]*4+["N2"]*2, ... "Exercice":["Ex1"]*2+["Ex2"]*2+["Ex1"]+["Ex2"] + ["Ex1"]*2+["Ex2"]*2+["Ex1"]+["Ex2"], ... "Question":["Q1"]+["Q2"]+["Q1"]+["Q2"]+["Q1"]+["Q1"] + ["Q1"]+["Q2"]+["Q1"]+["Q2"]+["Q1"]+["Q1"], ... "Date":["16/09/2016"]*4+["01/10/2016"]*2 + ["16/09/2016"]*4+["01/10/2016"]*2, ... "Trimestre": ["1"]*12, ... "Bareme":[1]*2+[2]*2+[2]*2 + [1]*2+[2]*2+[2]*2, ... "Niveau":[0]*4+[1]*2 + [0]*4+[1]*2, ... "Note":[1, 0.33, 2, 1.5, 1, 3, 0.666, 1, 1.5, 1, 2, 3], ... } >>> df = pd.DataFrame(d) >>> note_to_mark(df.loc[0]) 1.0 >>> note_to_mark(df.loc[10]) 1.3333333333333333 """ if x["Niveau"]: return x["Note"] * x["Bareme"] / 3 return x["Note"] # DataFrame columns manipulations def compute_marks(df): """ Add Mark column to df >>> d = {"Eleve":["E1"]*6 + ["E2"]*6, ... "Nom": ["N1"]*4+["N2"]*2 + ["N1"]*4+["N2"]*2, ... "Exercice":["Ex1"]*2+["Ex2"]*2+["Ex1"]+["Ex2"] + ["Ex1"]*2+["Ex2"]*2+["Ex1"]+["Ex2"], ... "Question":["Q1"]+["Q2"]+["Q1"]+["Q2"]+["Q1"]+["Q1"] + ["Q1"]+["Q2"]+["Q1"]+["Q2"]+["Q1"]+["Q1"], ... "Date":["16/09/2016"]*4+["01/10/2016"]*2 + ["16/09/2016"]*4+["01/10/2016"]*2, ... "Trimestre": ["1"]*12, ... "Bareme":[1]*2+[2]*2+[2]*2 + [1]*2+[2]*2+[2]*2, ... "Niveau":[0]*4+[1]*2 + [0]*4+[1]*2, ... "Note":[1, 0.33, 2, 1.5, 1, 3, 0.666, 1, 1.5, 1, 2, 3], ... } >>> df = pd.DataFrame(d) >>> compute_marks(df) 0 1.000000 1 0.330000 2 2.000000 3 1.500000 4 0.666667 5 2.000000 6 0.666000 7 1.000000 8 1.500000 9 1.000000 10 1.333333 11 2.000000 dtype: float64 """ return df[["Note", "Niveau", "Bareme"]].apply(note_to_mark, axis=1).fillna(0) def compute_latex_rep(df): """ Add Latex_rep column to df >>> d = {"Eleve":["E1"]*6 + ["E2"]*6, ... "Nom": ["N1"]*4+["N2"]*2 + ["N1"]*4+["N2"]*2, ... "Exercice":["Ex1"]*2+["Ex2"]*2+["Ex1"]+["Ex2"] + ["Ex1"]*2+["Ex2"]*2+["Ex1"]+["Ex2"], ... "Question":["Q1"]+["Q2"]+["Q1"]+["Q2"]+["Q1"]+["Q1"] + ["Q1"]+["Q2"]+["Q1"]+["Q2"]+["Q1"]+["Q1"], ... "Date":["16/09/2016"]*4+["01/10/2016"]*2 + ["16/09/2016"]*4+["01/10/2016"]*2, ... "Trimestre": ["1"]*12, ... "Bareme":[1]*2+[2]*2+[2]*2 + [1]*2+[2]*2+[2]*2, ... "Niveau":[0]*4+[1]*2 + [0]*4+[1]*2, ... "Note":[1, 0.33, 2, 1.5, 1, 3, 0.666, 1, 1.5, 1, 2, 3], ... } >>> df = pd.DataFrame(d) >>> compute_latex_rep(df) 0 1 1 0.33 2 2 3 1.5 4 \RepU 5 \RepT 6 0.666 7 1 8 1.5 9 1 10 \RepD 11 \RepT dtype: object """ return df[["Note", "Niveau"]].apply(note_to_rep, axis=1).fillna("??") # Computing custom values def compute_exo_marks(df): """ Compute Exercice level marks :param df: the original marks :returns: DataFrame with computed marks >>> d = {"Eleve":["E1"]*6 + ["E2"]*6, ... "Nom": ["N1"]*4+["N2"]*2 + ["N1"]*4+["N2"]*2, ... "Exercice":["Ex1"]*2+["Ex2"]*2+["Ex1"]+["Ex2"] + ["Ex1"]*2+["Ex2"]*2+["Ex1"]+["Ex2"], ... "Question":["Q1"]+["Q2"]+["Q1"]+["Q2"]+["Q1"]+["Q1"] + ["Q1"]+["Q2"]+["Q1"]+["Q2"]+["Q1"]+["Q1"], ... "Date":["16/09/2016"]*4+["01/10/2016"]*2 + ["16/09/2016"]*4+["01/10/2016"]*2, ... "Trimestre": ["1"]*12, ... "Bareme":[1]*2+[2]*2+[2]*2 + [1]*2+[2]*2+[2]*2, ... "Niveau":[0]*4+[1]*2 + [0]*4+[1]*2, ... "Note":[1, 0.33, 2, 1.5, 1, 3, 0.666, 1, 1.5, 1, 2, 3], ... } >>> df = pd.DataFrame(d) >>> df["Mark"] = compute_marks(df) >>> compute_exo_marks(df) Eleve Nom Exercice Date Trimestre Bareme Mark Question Niveau 0 E1 N1 Ex1 16/09/2016 1 2 1.5 Total 0 1 E1 N1 Ex2 16/09/2016 1 4 3.5 Total 0 2 E1 N2 Ex1 01/10/2016 1 2 1.0 Total 0 3 E1 N2 Ex2 01/10/2016 1 2 2.0 Total 0 4 E2 N1 Ex1 16/09/2016 1 2 2.0 Total 0 5 E2 N1 Ex2 16/09/2016 1 4 2.5 Total 0 6 E2 N2 Ex1 01/10/2016 1 2 1.5 Total 0 7 E2 N2 Ex2 01/10/2016 1 2 2.0 Total 0 """ exo_pt = pd.pivot_table(df, index = [ "Eleve", "Nom", "Exercice", "Date", "Trimestre"], values = ["Bareme", "Mark"], aggfunc=np.sum, ).applymap(round_half_point) exo = exo_pt.reset_index() exo["Question"] = "Total" exo["Niveau"] = 0 return exo def compute_eval_marks(df): """ Compute Nom level marks from the dataframe using only row with Total in Question :param df: DataFrame with value Total in Question column :returns: DataFrame with evaluation marks >>> d = {"Eleve":["E1"]*6 + ["E2"]*6, ... "Nom": ["N1"]*4+["N2"]*2 + ["N1"]*4+["N2"]*2, ... "Exercice":["Ex1"]*2+["Ex2"]*2+["Ex1"]+["Ex2"] + ["Ex1"]*2+["Ex2"]*2+["Ex1"]+["Ex2"], ... "Question":["Q1"]+["Q2"]+["Q1"]+["Q2"]+["Q1"]+["Q1"] + ["Q1"]+["Q2"]+["Q1"]+["Q2"]+["Q1"]+["Q1"], ... "Date":["16/09/2016"]*4+["01/10/2016"]*2 + ["16/09/2016"]*4+["01/10/2016"]*2, ... "Trimestre": ["1"]*12, ... "Bareme":[1]*2+[2]*2+[2]*2 + [1]*2+[2]*2+[2]*2, ... "Niveau":[0]*4+[1]*2 + [0]*4+[1]*2, ... "Note":[1, 0.33, 2, 1.5, 1, 3, 0.666, 1, 1.5, 1, 2, 3], ... } >>> df = pd.DataFrame(d) >>> df["Mark"] = compute_marks(df) >>> df_exo = compute_exo_marks(df) >>> compute_eval_marks(df_exo) Eleve Nom Date Trimestre Bareme Mark Exercice Niveau 0 E1 N1 16/09/2016 1 6 5.0 Total 0 1 E1 N2 01/10/2016 1 4 3.0 Total 0 2 E2 N1 16/09/2016 1 6 4.5 Total 0 3 E2 N2 01/10/2016 1 4 3.5 Total 0 """ exo = df[df["Question"] == "Total"] eval_pt = pd.pivot_table(exo, index = [ "Eleve", "Nom", "Date", "Trimestre"], values = ["Bareme", "Mark"], aggfunc=np.sum, ).applymap(round_half_point) eval_m = eval_pt.reset_index() eval_m["Exercice"] = "Total" eval_m["Niveau"] = 0 return eval_m def digest_flat_df(flat_df): """ Compute necessary element to make a flat df usable for analysis. >>> d = {"Eleve":["E1"]*6 + ["E2"]*6, ... "Nom": ["N1"]*4+["N2"]*2 + ["N1"]*4+["N2"]*2, ... "Exercice":["Ex1"]*2+["Ex2"]*2+["Ex1"]+["Ex2"] + ["Ex1"]*2+["Ex2"]*2+["Ex1"]+["Ex2"], ... "Question":["Q1"]+["Q2"]+["Q1"]+["Q2"]+["Q1"]+["Q1"] + ["Q1"]+["Q2"]+["Q1"]+["Q2"]+["Q1"]+["Q1"], ... "Date":["16/09/2016"]*4+["01/10/2016"]*2 + ["16/09/2016"]*4+["01/10/2016"]*2, ... "Trimestre": ["1"]*12, ... "Bareme":[1]*2+[2]*2+[2]*2 + [1]*2+[2]*2+[2]*2, ... "Niveau":[0]*4+[1]*2 + [0]*4+[1]*2, ... "Note":[1, 0.33, 2, 1.5, 1, 3, 0.666, 1, 1.5, 1, 2, 3], ... } >>> df = pd.DataFrame(d) >>> quest_df, exo_df, eval_df = digest_flat_df(df) """ df = flat_df.copy() df["Mark"] = compute_marks(flat_df) df["Latex_rep"] = compute_latex_rep(flat_df) exo_df = compute_exo_marks(df) eval_df = compute_eval_marks(exo_df) return df, exo_df, eval_df def students_pov(quest_df, exo_df, eval_df): """ >>> d = {"Eleve":["E1"]*6 + ["E2"]*6, ... "Nom": ["N1"]*4+["N2"]*2 + ["N1"]*4+["N2"]*2, ... "Exercice":["Ex1"]*2+["Ex2"]*2+["Ex1"]+["Ex2"] + ["Ex1"]*2+["Ex2"]*2+["Ex1"]+["Ex2"], ... "Question":["Q1"]+["Q2"]+["Q1"]+["Q2"]+["Q1"]+["Q1"] + ["Q1"]+["Q2"]+["Q1"]+["Q2"]+["Q1"]+["Q1"], ... "Date":["16/09/2016"]*4+["01/10/2016"]*2 + ["16/09/2016"]*4+["01/10/2016"]*2, ... "Trimestre": ["1"]*12, ... "Bareme":[1]*2+[2]*2+[2]*2 + [1]*2+[2]*2+[2]*2, ... "Niveau":[0]*4+[1]*2 + [0]*4+[1]*2, ... "Note":[1, 0.33, 2, 1.5, 1, 3, 0.666, 1, 1.5, 1, 2, 3], ... } >>> df = pd.DataFrame(d) >>> quest_df, exo_df, eval_df = digest_flat_df(df) >>> std_pov = students_pov(quest_df, exo_df, eval_df) >>> std = std_pov[0] >>> std["Nom"] 'E1' >>> "{} / {}".format(std["Total"]["Mark"], std["Total"]["Bareme"]) '5.0 / 6.0' >>> for exo in std["Exercices"]: ... print("{}: {} / {}".format(exo["Nom"], exo["Total"]["Mark"], exo["Total"]["Bareme"])) Ex1: 1.5 / 2.0 Ex2: 3.5 / 4.0 >>> exo = std["Exercices"][0] >>> for _,q in exo["Questions"].iterrows(): ... print("{} : {}".format(q["Question"], q["Latex_rep"])) Q1 : 1.0 Q2 : 0.33 Q1 : \RepU """ es = [] for e in eval_df["Eleve"].unique(): eleve = {"Nom":e} e_quest = quest_df[quest_df["Eleve"] == e] e_exo = exo_df[exo_df["Eleve"] == e] #e_df = ds_df[ds_df["Eleve"] == e][["Exercice", "Question", "Bareme", "Commentaire", "Niveau", "Mark", "Latex_rep"]] eleve["Total"] = eval_df[eval_df["Eleve"]==e].iloc[0] exos = [] for exo in e_exo["Exercice"].unique(): ex = {"Nom":exo} ex["Total"] = e_exo[e_exo["Exercice"]==exo].iloc[0] ex["Questions"] = e_quest[e_quest["Exercice"] == exo] exos.append(ex) eleve["Exercices"] = exos es.append(eleve) return es # ----------------------------- # Reglages pour 'vim' # vim:set autoindent expandtab tabstop=4 shiftwidth=4: # cursor: 16 del