Sith/migrate.py

import MySQLdb
import os
import django
import random
from io import StringIO

os.environ["DJANGO_SETTINGS_MODULE"] = "sith.settings"
os.environ['DJANGO_COLORS'] = 'nocolor'
django.setup()

from django.db import IntegrityError
from django.conf import settings
from django.core.management import call_command
from django.db import connection


from core.models import User, SithFile
from club.models import Club, Membership

db = MySQLdb.connect(
        host="ae-db",
        user="taiste_rw",
        passwd=input("password: "),
        db="ae2-taiste",
        charset='utf8',
        use_unicode=True)

def reset_index(*args):
    sqlcmd = StringIO()
    call_command("sqlsequencereset", *args, stdout=sqlcmd)
    cursor = connection.cursor()
    cursor.execute(sqlcmd.getvalue())

def to_unicode(s):
    if s:
        return bytes(s, 'cp1252', errors="replace").decode('utf-8', errors='replace')
    return ""


def migrate_users():
    SEX = {'1': 'MAN', '2': 'WOMAN', None: 'MAN'}
    TSHIRT = {
            None: '-',
            '': '-',
            'NULL': '-',
            'XS': 'XS',
            'S': 'S',
            'M': 'M',
            'L': 'L',
            'XL': 'XL',
            'XXL': 'XXL',
            'XXXL': 'XXXL',
            }
    ROLE = {
            'doc': 'DOCTOR',
            'etu': 'STUDENT',
            'anc': 'FORMER STUDENT',
            'ens': 'TEACHER',
            'adm': 'ADMINISTRATIVE',
            'srv': 'SERVICE',
            'per': 'AGENT',
            None: '',
            }
    DEPARTMENTS = {
            'tc': 'TC',
            'gi': 'GI',
            'gesc': 'GESC',
            'na': 'NA',
            'mc': 'MC',
            'imap': 'IMAP',
            'huma': 'HUMA',
            'edim': 'EDIM',
            'ee': 'EE',
            'imsi': 'IMSI',
            'truc': 'NA',
            None: 'NA',
            }

    def get_random_free_email():
        id = random.randrange(4000)
        email = "no_email_%s@git.an" % random.randrange(4000, 40000)
        while User.objects.filter(email=email).exists():
            email = "no_email_%s@git.an" % random.randrange(4000, 40000)
        return email

    c = db.cursor(MySQLdb.cursors.DictCursor)
    c.execute("""
    SELECT *
    FROM utilisateurs utl
    JOIN utl_etu ue
    ON ue.id_utilisateur = utl.id_utilisateur
    JOIN utl_etu_utbm ueu
    ON ueu.id_utilisateur = utl.id_utilisateur
    JOIN utl_extra uxtra
    ON uxtra.id_utilisateur = utl.id_utilisateur
    JOIN loc_ville ville
    ON utl.id_ville = ville.id_ville
    -- WHERE utl.id_utilisateur > 9000
    """)
    User.objects.filter(id__gt=0).delete()
    print("Users deleted")

    for u in c.fetchall():
        try:
            new = User(
                    id=u['id_utilisateur'],
                    last_name=to_unicode(u['nom_utl']) or "Bou",
                    first_name=to_unicode(u['prenom_utl']) or "Bi",
                    email=u['email_utl'],
                    second_email=u['email_utbm'] or "",
                    date_of_birth=u['date_naissance_utl'],
                    last_update=u['date_maj_utl'],
                    nick_name=to_unicode(u['surnom_utbm']),
                    sex=SEX[u['sexe_utl']],
                    tshirt_size=TSHIRT[u['taille_tshirt_utl']],
                    role=ROLE[u['role_utbm']],
                    department=DEPARTMENTS[u['departement_utbm']],
                    dpt_option=to_unicode(u['filiere_utbm']),
                    semester=u['semestre_utbm'] or 0,
                    quote=to_unicode(u['citation']),
                    school=to_unicode(u['nom_ecole_etudiant']),
                    promo=u['promo_utbm'] or 0,
                    forum_signature=to_unicode(u['signature_utl']),
                    address=(to_unicode(u['addresse_utl']) + ", " + to_unicode(u['cpostal_ville']) + " " + to_unicode(u['nom_ville'])),
                    parent_address=(to_unicode(u['adresse_parents']) + ", " + to_unicode(u['cpostal_parents']) + " " + to_unicode(u['ville_parents'])),
                    phone=u['tel_portable_utl'] or "",
                    parent_phone=u['tel_parents'] or "",
            )
            new.generate_username()
            new.save()
        except IntegrityError as e:
            if "Key (email)" in repr(e):
                new.email = get_random_free_email()
                new.save()
                print("New email generated")
            else:
                print("FAIL for user %s: %s" % (u['id_utilisateur'], repr(e)))
        except Exception as e:
            print("FAIL for user %s: %s" % (u['id_utilisateur'], repr(e)))
    c.close()
    reset_index('core')

def migrate_profile_pict():
    PROFILE_ROOT = "/data/matmatronch/"

    from os import listdir
    from django.core.files import File

    profile = SithFile.objects.filter(parent=None, name="profiles").first()
    profile.children.all().delete()
    print("Profiles pictures deleted")
    for filename in listdir(PROFILE_ROOT):
        if filename.split('.')[-2] != "mini":
            try:
                uid = filename.split('.')[0].split('-')[0]
                user = User.objects.filter(id=int(uid)).first()
                if user:
                    f = File(open(PROFILE_ROOT + '/' + filename, 'rb'))
                    f.name = f.name.split('/')[-1]
                    t = filename.split('.')[1]
                    new_file = SithFile(parent=profile, name=filename,
                            file=f, owner=user, is_folder=False, mime_type="image/jpeg", size=f.size)
                    if t == "identity":
                        new_file.save()
                        user.profile_pict = new_file
                        user.save()
                    elif t == "blouse":
                        new_file.save()
                        user.scrub_pict = new_file
                        user.save()
                    else:
                        new_file.save()
                        user.avatar_pict = new_file
                        user.save()
            except Exception as e:
                print(repr(e))

def migrate_clubs():
    cur = db.cursor(MySQLdb.cursors.DictCursor)
    cur.execute("""
    SELECT *
    FROM asso asso
    WHERE nom_unix_asso <> "ae"
        AND nom_unix_asso <> "bdf"
        AND nom_unix_asso <> "laverie"
    """)
    # club = cur.fetchone()
    # for k,v in club.items():
    #     print("%40s | %40s" % (k, v))

    for c in cur.fetchall():
        try:
            new = Club(
                    id=c['id_asso'],
                    name=to_unicode(c['nom_asso']),
                    unix_name=to_unicode(c['nom_unix_asso']),
                    address=to_unicode(c['adresse_postale']),
                    )
            new.save()
        except Exception as e:
                print("FAIL for club %s: %s" % (c['nom_unix_asso'], repr(e)))
    cur.execute("""
    SELECT *
    FROM asso
    """)
    for c in cur.fetchall():
        club = Club.objects.filter(id=c['id_asso']).first()
        parent = Club.objects.filter(id=c['id_asso_parent']).first()
        club.parent = parent
        club.save()
    cur.close()

def migrate_club_memberships():
    cur = db.cursor(MySQLdb.cursors.DictCursor)
    cur.execute("""
    SELECT *
    FROM asso_membre
    """)

    Membership.objects.all().delete()
    print("Memberships deleted")
    for m in cur.fetchall():
        try:
            club = Club.objects.filter(id=m['id_asso']).first()
            user = User.objects.filter(id=m['id_utilisateur']).first()
            if club and user:
                new = Membership(
                        club=club,
                        user=user,
                        start_date=m['date_debut'],
                        end_date=m['date_fin'],
                        role=m['role'],
                        description=to_unicode(m['desc_role']),
                        )
                new.save()
        except Exception as e:
                print("FAIL for club membership %s: %s" % (m['id_asso'], repr(e)))
    cur.close()


def main():
    # migrate_users()
    # migrate_profile_pict()
    # migrate_clubs()
    migrate_club_memberships()

if __name__ == "__main__":
    main()