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
92
93
|
import web
import string
import helpers
from config import render, db
what = ['CAT', 'PKG', 'VER', 'REPO', 'COUNT(DISTINCT UUID) AS HOSTS']
order_by = ['HOSTS DESC','CAT', 'PKG', 'VER', 'REPO']
group_by = ['CAT', 'PKG', 'VER', 'REPO']
which = ['PACKAGES','INSTALLED_PACKAGES','REPOSITORIES']
class Search(object):
def GET(self):
self.args = web.input(cat='any', pkg='any', ver='any', repo='any')
try:
self.min_hosts = int(web.input(min_hosts=-1).min_hosts)
except ValueError:
self.min_hosts = -1
try:
self.max_hosts = int(web.input(max_hosts=-1).max_hosts)
except ValueError:
self.max_hosts = -1
where = self._build_where()
having = self._build_having()
query = self._build_query(where, having)
search_tuples = db.query(query, vars={
'cat':self.args.cat,
'pkg':self.args.pkg,
'ver':self.args.ver,
'repo':self.args.repo,
'min_hosts':self.min_hosts,
'max_hosts':self.max_hosts})
if helpers.is_json_request():
search_list = list()
for tuple in search_tuples:
search_list.append({
'CAT': tuple['CAT'],
'PKG': tuple['PKG'],
'VER': tuple['VER'],
'REPO': tuple['REPO'],
'HOSTS': tuple['HOSTS']
})
return helpers.serialize(search_list)
else:
return render.search(search_tuples)
def _build_query(self, where, having):
sep = ' '
query = ''
query += 'SELECT' + sep + ','.join(what) + sep
query += 'FROM' + sep + (sep + 'NATURAL LEFT OUTER JOIN' + sep).join(which) + sep
if len(where) != 0:
query += 'WHERE' + sep
query += (sep + 'AND' + sep).join(where)
query += sep
query += 'GROUP BY' + sep + ','.join(group_by) + sep
if len(having) != 0:
query += 'HAVING' + sep
query += (sep + 'AND' + sep).join(having)
query += sep
query += 'ORDER BY' + sep + ','.join(order_by) + sep
return query.strip()
def _build_where(self):
where = []
cat = string.lower(self.args.cat)
if cat != 'any':
where.append('CAT=$cat')
pkg = string.lower(self.args.pkg)
if pkg != 'any':
where.append('PKG=$pkg')
ver = string.lower(self.args.ver)
if ver != 'any':
where.append('VER=$ver')
repo = string.lower(self.args.repo)
if repo != 'any':
where.append('REPO=$repo')
return where
def _build_having(self):
having = []
if self.min_hosts != -1:
having.append('HOSTS>=$min_hosts')
if self.max_hosts != -1:
having.append('HOSTS<=$max_hosts')
return having
|
GitWeb