1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
|
import os
from sqlalchemy import create_engine, Table, Column, String, Integer, DateTime, Float
from sqlalchemy.orm import sessionmaker
from sqlalchemy.ext.declarative import declarative_base, declared_attr
from sqlalchemy.ext.declarative import AbstractConcreteBase, ConcreteBase
connection_url = "mysql+mysqldb://{}:{}@{}/{}".format(
os.getenv("DB_USER"),
os.getenv("DB_PASS"),
os.getenv("DB_HOST"),
os.getenv("DB_NAME")
)
engine = create_engine(connection_url)
Session = sessionmaker(bind=engine)
session = Session()
Base = declarative_base(engine)
class SqlDataset:
def __init__(self, name):
self.name = name
self.tables = {}
def get_table(self, type):
if type in self.tables:
return self.tables[type]
elif type == 'uuid':
self.tables[type] = self.uuid_table()
elif type == 'roi':
self.tables[type] = self.roi_table()
elif type == 'identity_meta':
self.tables[type] = self.identity_table()
elif type == 'pose':
self.tables[type] = self.pose_table()
else:
return None
return self.tables[type]
# ==> uuids.csv <==
# index,uuid
# 0,f03fd921-2d56-4e83-8115-f658d6a72287
def uuid_table(self):
class UUID(Base):
__tablename__ = self.name + "_uuid"
id = Column(Integer, primary_key=True)
uuid = Column(String(36), nullable=False)
return UUID
# ==> roi.csv <==
# index,h,image_height,image_index,image_width,w,x,y
# 0,0.33000000000000007,250,0,250,0.32999999999999996,0.33666666666666667,0.35
def roi_table(self):
class ROI(Base):
__tablename__ = self.name + "_roi"
id = Column(Integer, primary_key=True)
h = Column(Float, nullable=False)
image_height = Column(Integer, nullable=False)
image_index = Column(Integer, nullable=False)
image_width = Column(Integer, nullable=False)
w = Column(Float, nullable=False)
x = Column(Float, nullable=False)
y = Column(Float, nullable=False)
return ROI
# ==> identity.csv <==
# index,fullname,description,gender,images,image_index
# 0,A. J. Cook,Canadian actress,f,1,0
def identity_table(self):
class Identity(Base):
__tablename__ = self.name + "_identity"
id = Column(Integer, primary_key=True)
fullname = Column(String(36), nullable=False)
description = Column(String(36), nullable=False)
gender = Column(String(1), nullable=False)
images = Column(Integer, nullable=False)
image_id = Column(Integer, nullable=False)
return Identity
# ==> pose.csv <==
# index,image_index,pitch,roll,yaw
# 0,0,11.16264458441435,10.415885631337728,22.99719032415318
def pose_table(self):
class Pose(Base):
__tablename__ = self.name + "_pose"
id = Column(Integer, primary_key=True)
image_id = Column(Integer, primary_key=True)
pitch = Column(Float, nullable=False)
roll = Column(Float, nullable=False)
yaw = Column(Float, nullable=False)
return Pose
|
