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#!/usr/bin/env python3
# -*- coding: utf-8 -*-
"""Checks sanity of the database. Pass the path to the database on the command
line.
If you want to add a check, just add a "check_..." function to this program.
It must take a set of ElementTree roots.
"""
import glob, sys, os, inspect
from xml.etree import ElementTree
ERROR_FOUND = False
def normalize_string(string):
return " ".join(string.lower().split())
def name(element, tag_name):
for subelement in element.findall(tag_name):
if not subelement.attrib:
return normalize_string(subelement.text)
def check_primary_keys_uniqueness(roots):
global ERROR_FOUND
lenses, mounts, cameras = set(), set(), set()
for root in roots:
for element in root.findall("lens"):
lens = (name(element, "maker"), name(element, "model"), float(element.find("cropfactor").text))
if lens in lenses:
print("Double primary key for lens! {}".format(lens))
ERROR_FOUND = True
else:
lenses.add(lens)
for element in root.findall("mount"):
mount = name(element, "name")
if mount in mounts:
print("Double primary key for mounts! {}".format(mount))
ERROR_FOUND = True
else:
mounts.add(mount)
for element in root.findall("camera"):
camera = (name(element, "maker"), name(element, "model"), name(element, "variant"))
if camera in cameras:
print("Double primary key for cameras! {}".format(camera))
ERROR_FOUND = True
else:
cameras.add(camera)
roots = set()
for filepath in glob.glob(os.path.join(sys.argv[1], "*.xml")):
roots.add(ElementTree.parse(filepath).getroot())
for check_function in [function for function in globals().copy().values()
if inspect.isfunction(function) and function.__name__.startswith("check_")]:
check_function(roots)
if ERROR_FOUND:
sys.exit(1)
else:
sys.exit(0)
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