Mercurial > p > roundup > code

annotate roundup/mlink_expr.py @ 8566:e4191aa7b402 default tip

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
doc: issue2551415 correct doc for change input->input_payload in 2.5 the rest interface changed a variable name from input to input_payload. An earlier commit changed the rest docs. This commit adds an item for it to the upgrading 2.4.0->2.5.0 section. Also cross reference added to the rest docs with the updated examples.
author John Rouillard <rouilj@ieee.org>
date Thu, 09 Apr 2026 00:19:06 -0400
parents 224ccb8b49ca
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
6401
8bc5faeb7677 Make rev multilink expressions work for anydbm
Ralf Schlatterbeck <rsc@runtux.com>
parents:
diff changeset
1 #
8bc5faeb7677 Make rev multilink expressions work for anydbm
Ralf Schlatterbeck <rsc@runtux.com>
parents:
diff changeset
2 # Copyright: 2010 Intevation GmbH.
8bc5faeb7677 Make rev multilink expressions work for anydbm
Ralf Schlatterbeck <rsc@runtux.com>
parents:
diff changeset
3 # 2021 Ralf Schlatterbeck, rsc@runtux.com.
6960
7b090bb35c25 flake8 fixes - exception handling changed
John Rouillard <rouilj@ieee.org>
parents: 6412
diff changeset
4 #
6401
8bc5faeb7677 Make rev multilink expressions work for anydbm
Ralf Schlatterbeck <rsc@runtux.com>
parents:
diff changeset
5
8bc5faeb7677 Make rev multilink expressions work for anydbm
Ralf Schlatterbeck <rsc@runtux.com>
parents:
diff changeset
6 # This module is Free Software under the Roundup licensing,
8bc5faeb7677 Make rev multilink expressions work for anydbm
Ralf Schlatterbeck <rsc@runtux.com>
parents:
diff changeset
7 # see the COPYING.txt file coming with Roundup.
8bc5faeb7677 Make rev multilink expressions work for anydbm
Ralf Schlatterbeck <rsc@runtux.com>
parents:
diff changeset
8 #
8bc5faeb7677 Make rev multilink expressions work for anydbm
Ralf Schlatterbeck <rsc@runtux.com>
parents:
diff changeset
9
8241
741ea8a86012 fix: issue2551374. Error handling for filter expressions.
John Rouillard <rouilj@ieee.org>
parents: 6964
diff changeset
10 from roundup.exceptions import RoundupException
741ea8a86012 fix: issue2551374. Error handling for filter expressions.
John Rouillard <rouilj@ieee.org>
parents: 6964
diff changeset
11 from roundup.i18n import _
741ea8a86012 fix: issue2551374. Error handling for filter expressions.
John Rouillard <rouilj@ieee.org>
parents: 6964
diff changeset
12
741ea8a86012 fix: issue2551374. Error handling for filter expressions.
John Rouillard <rouilj@ieee.org>
parents: 6964
diff changeset
13 opcode_names = {
741ea8a86012 fix: issue2551374. Error handling for filter expressions.
John Rouillard <rouilj@ieee.org>
parents: 6964
diff changeset
14 -2: "not",
741ea8a86012 fix: issue2551374. Error handling for filter expressions.
John Rouillard <rouilj@ieee.org>
parents: 6964
diff changeset
15 -3: "and",
741ea8a86012 fix: issue2551374. Error handling for filter expressions.
John Rouillard <rouilj@ieee.org>
parents: 6964
diff changeset
16 -4: "or",
741ea8a86012 fix: issue2551374. Error handling for filter expressions.
John Rouillard <rouilj@ieee.org>
parents: 6964
diff changeset
17 }
741ea8a86012 fix: issue2551374. Error handling for filter expressions.
John Rouillard <rouilj@ieee.org>
parents: 6964
diff changeset
18
741ea8a86012 fix: issue2551374. Error handling for filter expressions.
John Rouillard <rouilj@ieee.org>
parents: 6964
diff changeset
19
741ea8a86012 fix: issue2551374. Error handling for filter expressions.
John Rouillard <rouilj@ieee.org>
parents: 6964
diff changeset
20 class ExpressionError(RoundupException):
741ea8a86012 fix: issue2551374. Error handling for filter expressions.
John Rouillard <rouilj@ieee.org>
parents: 6964
diff changeset
21 """Takes two arguments.
741ea8a86012 fix: issue2551374. Error handling for filter expressions.
John Rouillard <rouilj@ieee.org>
parents: 6964
diff changeset
22
741ea8a86012 fix: issue2551374. Error handling for filter expressions.
John Rouillard <rouilj@ieee.org>
parents: 6964
diff changeset
23 ExpressionError(template, context={})
741ea8a86012 fix: issue2551374. Error handling for filter expressions.
John Rouillard <rouilj@ieee.org>
parents: 6964
diff changeset
24
741ea8a86012 fix: issue2551374. Error handling for filter expressions.
John Rouillard <rouilj@ieee.org>
parents: 6964
diff changeset
25 The repr of ExpressionError is:
741ea8a86012 fix: issue2551374. Error handling for filter expressions.
John Rouillard <rouilj@ieee.org>
parents: 6964
diff changeset
26
741ea8a86012 fix: issue2551374. Error handling for filter expressions.
John Rouillard <rouilj@ieee.org>
parents: 6964
diff changeset
27 template % context
741ea8a86012 fix: issue2551374. Error handling for filter expressions.
John Rouillard <rouilj@ieee.org>
parents: 6964
diff changeset
28
741ea8a86012 fix: issue2551374. Error handling for filter expressions.
John Rouillard <rouilj@ieee.org>
parents: 6964
diff changeset
29 """
741ea8a86012 fix: issue2551374. Error handling for filter expressions.
John Rouillard <rouilj@ieee.org>
parents: 6964
diff changeset
30
741ea8a86012 fix: issue2551374. Error handling for filter expressions.
John Rouillard <rouilj@ieee.org>
parents: 6964
diff changeset
31 # only works on python 3
741ea8a86012 fix: issue2551374. Error handling for filter expressions.
John Rouillard <rouilj@ieee.org>
parents: 6964
diff changeset
32 #def __init__(self, *args, context=None):
741ea8a86012 fix: issue2551374. Error handling for filter expressions.
John Rouillard <rouilj@ieee.org>
parents: 6964
diff changeset
33 # super().__init__(*args)
741ea8a86012 fix: issue2551374. Error handling for filter expressions.
John Rouillard <rouilj@ieee.org>
parents: 6964
diff changeset
34 # self.context = context if isinstance(context, dict) else {}
741ea8a86012 fix: issue2551374. Error handling for filter expressions.
John Rouillard <rouilj@ieee.org>
parents: 6964
diff changeset
35
741ea8a86012 fix: issue2551374. Error handling for filter expressions.
John Rouillard <rouilj@ieee.org>
parents: 6964
diff changeset
36 # works python 2 and 3
741ea8a86012 fix: issue2551374. Error handling for filter expressions.
John Rouillard <rouilj@ieee.org>
parents: 6964
diff changeset
37 def __init__(self, *args, **kwargs):
741ea8a86012 fix: issue2551374. Error handling for filter expressions.
John Rouillard <rouilj@ieee.org>
parents: 6964
diff changeset
38 super(RoundupException, self).__init__(*args)
741ea8a86012 fix: issue2551374. Error handling for filter expressions.
John Rouillard <rouilj@ieee.org>
parents: 6964
diff changeset
39 self.context = {}
741ea8a86012 fix: issue2551374. Error handling for filter expressions.
John Rouillard <rouilj@ieee.org>
parents: 6964
diff changeset
40 if 'context' in kwargs and isinstance(kwargs['context'], dict):
741ea8a86012 fix: issue2551374. Error handling for filter expressions.
John Rouillard <rouilj@ieee.org>
parents: 6964
diff changeset
41 self.context = kwargs['context']
741ea8a86012 fix: issue2551374. Error handling for filter expressions.
John Rouillard <rouilj@ieee.org>
parents: 6964
diff changeset
42
741ea8a86012 fix: issue2551374. Error handling for filter expressions.
John Rouillard <rouilj@ieee.org>
parents: 6964
diff changeset
43 # Skip testing for a bad call to ExpressionError
741ea8a86012 fix: issue2551374. Error handling for filter expressions.
John Rouillard <rouilj@ieee.org>
parents: 6964
diff changeset
44 # keywords = [x for x in list(kwargs) if x != "context"]
741ea8a86012 fix: issue2551374. Error handling for filter expressions.
John Rouillard <rouilj@ieee.org>
parents: 6964
diff changeset
45 #if len(keywords) != 0:
741ea8a86012 fix: issue2551374. Error handling for filter expressions.
John Rouillard <rouilj@ieee.org>
parents: 6964
diff changeset
46 # raise ValueError("unknown keyword argument(s) passed to ExpressionError: %s" % keywords)
741ea8a86012 fix: issue2551374. Error handling for filter expressions.
John Rouillard <rouilj@ieee.org>
parents: 6964
diff changeset
47
741ea8a86012 fix: issue2551374. Error handling for filter expressions.
John Rouillard <rouilj@ieee.org>
parents: 6964
diff changeset
48 def __str__(self):
741ea8a86012 fix: issue2551374. Error handling for filter expressions.
John Rouillard <rouilj@ieee.org>
parents: 6964
diff changeset
49 try:
741ea8a86012 fix: issue2551374. Error handling for filter expressions.
John Rouillard <rouilj@ieee.org>
parents: 6964
diff changeset
50 return self.args[0] % self.context
741ea8a86012 fix: issue2551374. Error handling for filter expressions.
John Rouillard <rouilj@ieee.org>
parents: 6964
diff changeset
51 except KeyError:
741ea8a86012 fix: issue2551374. Error handling for filter expressions.
John Rouillard <rouilj@ieee.org>
parents: 6964
diff changeset
52 return "%s: context=%s" % (self.args[0], self.context)
741ea8a86012 fix: issue2551374. Error handling for filter expressions.
John Rouillard <rouilj@ieee.org>
parents: 6964
diff changeset
53
741ea8a86012 fix: issue2551374. Error handling for filter expressions.
John Rouillard <rouilj@ieee.org>
parents: 6964
diff changeset
54 def __repr__(self):
741ea8a86012 fix: issue2551374. Error handling for filter expressions.
John Rouillard <rouilj@ieee.org>
parents: 6964
diff changeset
55 try:
741ea8a86012 fix: issue2551374. Error handling for filter expressions.
John Rouillard <rouilj@ieee.org>
parents: 6964
diff changeset
56 return self.args[0] % self.context
741ea8a86012 fix: issue2551374. Error handling for filter expressions.
John Rouillard <rouilj@ieee.org>
parents: 6964
diff changeset
57 except KeyError:
741ea8a86012 fix: issue2551374. Error handling for filter expressions.
John Rouillard <rouilj@ieee.org>
parents: 6964
diff changeset
58 return "%s: context=%s" % (self.args[0], self.context)
741ea8a86012 fix: issue2551374. Error handling for filter expressions.
John Rouillard <rouilj@ieee.org>
parents: 6964
diff changeset
59
741ea8a86012 fix: issue2551374. Error handling for filter expressions.
John Rouillard <rouilj@ieee.org>
parents: 6964
diff changeset
60
6401
8bc5faeb7677 Make rev multilink expressions work for anydbm
Ralf Schlatterbeck <rsc@runtux.com>
parents:
diff changeset
61 class Binary:
8bc5faeb7677 Make rev multilink expressions work for anydbm
Ralf Schlatterbeck <rsc@runtux.com>
parents:
diff changeset
62
8472
224ccb8b49ca refactor: change some classes to use __slots__
John Rouillard <rouilj@ieee.org>
parents: 8241
diff changeset
63 __slots__ = ("x", "y")
224ccb8b49ca refactor: change some classes to use __slots__
John Rouillard <rouilj@ieee.org>
parents: 8241
diff changeset
64
6401
8bc5faeb7677 Make rev multilink expressions work for anydbm
Ralf Schlatterbeck <rsc@runtux.com>
parents:
diff changeset
65 def __init__(self, x, y):
8bc5faeb7677 Make rev multilink expressions work for anydbm
Ralf Schlatterbeck <rsc@runtux.com>
parents:
diff changeset
66 self.x = x
8bc5faeb7677 Make rev multilink expressions work for anydbm
Ralf Schlatterbeck <rsc@runtux.com>
parents:
diff changeset
67 self.y = y
8bc5faeb7677 Make rev multilink expressions work for anydbm
Ralf Schlatterbeck <rsc@runtux.com>
parents:
diff changeset
68
8bc5faeb7677 Make rev multilink expressions work for anydbm
Ralf Schlatterbeck <rsc@runtux.com>
parents:
diff changeset
69 def visit(self, visitor):
8bc5faeb7677 Make rev multilink expressions work for anydbm
Ralf Schlatterbeck <rsc@runtux.com>
parents:
diff changeset
70 self.x.visit(visitor)
8bc5faeb7677 Make rev multilink expressions work for anydbm
Ralf Schlatterbeck <rsc@runtux.com>
parents:
diff changeset
71 self.y.visit(visitor)
8bc5faeb7677 Make rev multilink expressions work for anydbm
Ralf Schlatterbeck <rsc@runtux.com>
parents:
diff changeset
72
6960
7b090bb35c25 flake8 fixes - exception handling changed
John Rouillard <rouilj@ieee.org>
parents: 6412
diff changeset
73
6401
8bc5faeb7677 Make rev multilink expressions work for anydbm
Ralf Schlatterbeck <rsc@runtux.com>
parents:
diff changeset
74 class Unary:
8bc5faeb7677 Make rev multilink expressions work for anydbm
Ralf Schlatterbeck <rsc@runtux.com>
parents:
diff changeset
75
8472
224ccb8b49ca refactor: change some classes to use __slots__
John Rouillard <rouilj@ieee.org>
parents: 8241
diff changeset
76 __slots__ = ("x",)
224ccb8b49ca refactor: change some classes to use __slots__
John Rouillard <rouilj@ieee.org>
parents: 8241
diff changeset
77
6401
8bc5faeb7677 Make rev multilink expressions work for anydbm
Ralf Schlatterbeck <rsc@runtux.com>
parents:
diff changeset
78 def __init__(self, x):
8bc5faeb7677 Make rev multilink expressions work for anydbm
Ralf Schlatterbeck <rsc@runtux.com>
parents:
diff changeset
79 self.x = x
8bc5faeb7677 Make rev multilink expressions work for anydbm
Ralf Schlatterbeck <rsc@runtux.com>
parents:
diff changeset
80
8bc5faeb7677 Make rev multilink expressions work for anydbm
Ralf Schlatterbeck <rsc@runtux.com>
parents:
diff changeset
81 def generate(self, atom):
8bc5faeb7677 Make rev multilink expressions work for anydbm
Ralf Schlatterbeck <rsc@runtux.com>
parents:
diff changeset
82 return atom(self)
8bc5faeb7677 Make rev multilink expressions work for anydbm
Ralf Schlatterbeck <rsc@runtux.com>
parents:
diff changeset
83
8bc5faeb7677 Make rev multilink expressions work for anydbm
Ralf Schlatterbeck <rsc@runtux.com>
parents:
diff changeset
84 def visit(self, visitor):
8bc5faeb7677 Make rev multilink expressions work for anydbm
Ralf Schlatterbeck <rsc@runtux.com>
parents:
diff changeset
85 self.x.visit(visitor)
8bc5faeb7677 Make rev multilink expressions work for anydbm
Ralf Schlatterbeck <rsc@runtux.com>
parents:
diff changeset
86
6960
7b090bb35c25 flake8 fixes - exception handling changed
John Rouillard <rouilj@ieee.org>
parents: 6412
diff changeset
87
6401
8bc5faeb7677 Make rev multilink expressions work for anydbm
Ralf Schlatterbeck <rsc@runtux.com>
parents:
diff changeset
88 class Equals(Unary):
8bc5faeb7677 Make rev multilink expressions work for anydbm
Ralf Schlatterbeck <rsc@runtux.com>
parents:
diff changeset
89
8472
224ccb8b49ca refactor: change some classes to use __slots__
John Rouillard <rouilj@ieee.org>
parents: 8241
diff changeset
90 __slots__ = ()
224ccb8b49ca refactor: change some classes to use __slots__
John Rouillard <rouilj@ieee.org>
parents: 8241
diff changeset
91
6401
8bc5faeb7677 Make rev multilink expressions work for anydbm
Ralf Schlatterbeck <rsc@runtux.com>
parents:
diff changeset
92 def evaluate(self, v):
8bc5faeb7677 Make rev multilink expressions work for anydbm
Ralf Schlatterbeck <rsc@runtux.com>
parents:
diff changeset
93 return self.x in v
8bc5faeb7677 Make rev multilink expressions work for anydbm
Ralf Schlatterbeck <rsc@runtux.com>
parents:
diff changeset
94
8bc5faeb7677 Make rev multilink expressions work for anydbm
Ralf Schlatterbeck <rsc@runtux.com>
parents:
diff changeset
95 def visit(self, visitor):
8bc5faeb7677 Make rev multilink expressions work for anydbm
Ralf Schlatterbeck <rsc@runtux.com>
parents:
diff changeset
96 visitor(self)
8bc5faeb7677 Make rev multilink expressions work for anydbm
Ralf Schlatterbeck <rsc@runtux.com>
parents:
diff changeset
97
8241
741ea8a86012 fix: issue2551374. Error handling for filter expressions.
John Rouillard <rouilj@ieee.org>
parents: 6964
diff changeset
98 def __repr__(self):
741ea8a86012 fix: issue2551374. Error handling for filter expressions.
John Rouillard <rouilj@ieee.org>
parents: 6964
diff changeset
99 return "Value %s" % self.x
741ea8a86012 fix: issue2551374. Error handling for filter expressions.
John Rouillard <rouilj@ieee.org>
parents: 6964
diff changeset
100
6960
7b090bb35c25 flake8 fixes - exception handling changed
John Rouillard <rouilj@ieee.org>
parents: 6412
diff changeset
101
6401
8bc5faeb7677 Make rev multilink expressions work for anydbm
Ralf Schlatterbeck <rsc@runtux.com>
parents:
diff changeset
102 class Empty(Unary):
8bc5faeb7677 Make rev multilink expressions work for anydbm
Ralf Schlatterbeck <rsc@runtux.com>
parents:
diff changeset
103
8472
224ccb8b49ca refactor: change some classes to use __slots__
John Rouillard <rouilj@ieee.org>
parents: 8241
diff changeset
104 __slots__ = ()
224ccb8b49ca refactor: change some classes to use __slots__
John Rouillard <rouilj@ieee.org>
parents: 8241
diff changeset
105
6401
8bc5faeb7677 Make rev multilink expressions work for anydbm
Ralf Schlatterbeck <rsc@runtux.com>
parents:
diff changeset
106 def evaluate(self, v):
8bc5faeb7677 Make rev multilink expressions work for anydbm
Ralf Schlatterbeck <rsc@runtux.com>
parents:
diff changeset
107 return not v
8bc5faeb7677 Make rev multilink expressions work for anydbm
Ralf Schlatterbeck <rsc@runtux.com>
parents:
diff changeset
108
8bc5faeb7677 Make rev multilink expressions work for anydbm
Ralf Schlatterbeck <rsc@runtux.com>
parents:
diff changeset
109 def visit(self, visitor):
8bc5faeb7677 Make rev multilink expressions work for anydbm
Ralf Schlatterbeck <rsc@runtux.com>
parents:
diff changeset
110 visitor(self)
8bc5faeb7677 Make rev multilink expressions work for anydbm
Ralf Schlatterbeck <rsc@runtux.com>
parents:
diff changeset
111
8241
741ea8a86012 fix: issue2551374. Error handling for filter expressions.
John Rouillard <rouilj@ieee.org>
parents: 6964
diff changeset
112 def __repr__(self):
741ea8a86012 fix: issue2551374. Error handling for filter expressions.
John Rouillard <rouilj@ieee.org>
parents: 6964
diff changeset
113 return "ISEMPTY(-1)"
741ea8a86012 fix: issue2551374. Error handling for filter expressions.
John Rouillard <rouilj@ieee.org>
parents: 6964
diff changeset
114
6960
7b090bb35c25 flake8 fixes - exception handling changed
John Rouillard <rouilj@ieee.org>
parents: 6412
diff changeset
115
6401
8bc5faeb7677 Make rev multilink expressions work for anydbm
Ralf Schlatterbeck <rsc@runtux.com>
parents:
diff changeset
116 class Not(Unary):
8bc5faeb7677 Make rev multilink expressions work for anydbm
Ralf Schlatterbeck <rsc@runtux.com>
parents:
diff changeset
117
8472
224ccb8b49ca refactor: change some classes to use __slots__
John Rouillard <rouilj@ieee.org>
parents: 8241
diff changeset
118 __slots__ = ()
224ccb8b49ca refactor: change some classes to use __slots__
John Rouillard <rouilj@ieee.org>
parents: 8241
diff changeset
119
6401
8bc5faeb7677 Make rev multilink expressions work for anydbm
Ralf Schlatterbeck <rsc@runtux.com>
parents:
diff changeset
120 def evaluate(self, v):
8bc5faeb7677 Make rev multilink expressions work for anydbm
Ralf Schlatterbeck <rsc@runtux.com>
parents:
diff changeset
121 return not self.x.evaluate(v)
8bc5faeb7677 Make rev multilink expressions work for anydbm
Ralf Schlatterbeck <rsc@runtux.com>
parents:
diff changeset
122
8bc5faeb7677 Make rev multilink expressions work for anydbm
Ralf Schlatterbeck <rsc@runtux.com>
parents:
diff changeset
123 def generate(self, atom):
8bc5faeb7677 Make rev multilink expressions work for anydbm
Ralf Schlatterbeck <rsc@runtux.com>
parents:
diff changeset
124 return "NOT(%s)" % self.x.generate(atom)
8bc5faeb7677 Make rev multilink expressions work for anydbm
Ralf Schlatterbeck <rsc@runtux.com>
parents:
diff changeset
125
8241
741ea8a86012 fix: issue2551374. Error handling for filter expressions.
John Rouillard <rouilj@ieee.org>
parents: 6964
diff changeset
126 def __repr__(self):
741ea8a86012 fix: issue2551374. Error handling for filter expressions.
John Rouillard <rouilj@ieee.org>
parents: 6964
diff changeset
127 return "NOT(%s)" % self.x
741ea8a86012 fix: issue2551374. Error handling for filter expressions.
John Rouillard <rouilj@ieee.org>
parents: 6964
diff changeset
128
6960
7b090bb35c25 flake8 fixes - exception handling changed
John Rouillard <rouilj@ieee.org>
parents: 6412
diff changeset
129
6401
8bc5faeb7677 Make rev multilink expressions work for anydbm
Ralf Schlatterbeck <rsc@runtux.com>
parents:
diff changeset
130 class Or(Binary):
8bc5faeb7677 Make rev multilink expressions work for anydbm
Ralf Schlatterbeck <rsc@runtux.com>
parents:
diff changeset
131
8472
224ccb8b49ca refactor: change some classes to use __slots__
John Rouillard <rouilj@ieee.org>
parents: 8241
diff changeset
132 __slots__ = ()
224ccb8b49ca refactor: change some classes to use __slots__
John Rouillard <rouilj@ieee.org>
parents: 8241
diff changeset
133
6401
8bc5faeb7677 Make rev multilink expressions work for anydbm
Ralf Schlatterbeck <rsc@runtux.com>
parents:
diff changeset
134 def evaluate(self, v):
8bc5faeb7677 Make rev multilink expressions work for anydbm
Ralf Schlatterbeck <rsc@runtux.com>
parents:
diff changeset
135 return self.x.evaluate(v) or self.y.evaluate(v)
8bc5faeb7677 Make rev multilink expressions work for anydbm
Ralf Schlatterbeck <rsc@runtux.com>
parents:
diff changeset
136
8bc5faeb7677 Make rev multilink expressions work for anydbm
Ralf Schlatterbeck <rsc@runtux.com>
parents:
diff changeset
137 def generate(self, atom):
8bc5faeb7677 Make rev multilink expressions work for anydbm
Ralf Schlatterbeck <rsc@runtux.com>
parents:
diff changeset
138 return "(%s)OR(%s)" % (
8bc5faeb7677 Make rev multilink expressions work for anydbm
Ralf Schlatterbeck <rsc@runtux.com>
parents:
diff changeset
139 self.x.generate(atom),
8bc5faeb7677 Make rev multilink expressions work for anydbm
Ralf Schlatterbeck <rsc@runtux.com>
parents:
diff changeset
140 self.y.generate(atom))
8bc5faeb7677 Make rev multilink expressions work for anydbm
Ralf Schlatterbeck <rsc@runtux.com>
parents:
diff changeset
141
8241
741ea8a86012 fix: issue2551374. Error handling for filter expressions.
John Rouillard <rouilj@ieee.org>
parents: 6964
diff changeset
142 def __repr__(self):
741ea8a86012 fix: issue2551374. Error handling for filter expressions.
John Rouillard <rouilj@ieee.org>
parents: 6964
diff changeset
143 return "(%s OR %s)" % (self.y, self.x)
741ea8a86012 fix: issue2551374. Error handling for filter expressions.
John Rouillard <rouilj@ieee.org>
parents: 6964
diff changeset
144
6960
7b090bb35c25 flake8 fixes - exception handling changed
John Rouillard <rouilj@ieee.org>
parents: 6412
diff changeset
145
6401
8bc5faeb7677 Make rev multilink expressions work for anydbm
Ralf Schlatterbeck <rsc@runtux.com>
parents:
diff changeset
146 class And(Binary):
8bc5faeb7677 Make rev multilink expressions work for anydbm
Ralf Schlatterbeck <rsc@runtux.com>
parents:
diff changeset
147
8472
224ccb8b49ca refactor: change some classes to use __slots__
John Rouillard <rouilj@ieee.org>
parents: 8241
diff changeset
148 __slots__ = ()
224ccb8b49ca refactor: change some classes to use __slots__
John Rouillard <rouilj@ieee.org>
parents: 8241
diff changeset
149
6401
8bc5faeb7677 Make rev multilink expressions work for anydbm
Ralf Schlatterbeck <rsc@runtux.com>
parents:
diff changeset
150 def evaluate(self, v):
8bc5faeb7677 Make rev multilink expressions work for anydbm
Ralf Schlatterbeck <rsc@runtux.com>
parents:
diff changeset
151 return self.x.evaluate(v) and self.y.evaluate(v)
8bc5faeb7677 Make rev multilink expressions work for anydbm
Ralf Schlatterbeck <rsc@runtux.com>
parents:
diff changeset
152
8bc5faeb7677 Make rev multilink expressions work for anydbm
Ralf Schlatterbeck <rsc@runtux.com>
parents:
diff changeset
153 def generate(self, atom):
8bc5faeb7677 Make rev multilink expressions work for anydbm
Ralf Schlatterbeck <rsc@runtux.com>
parents:
diff changeset
154 return "(%s)AND(%s)" % (
8bc5faeb7677 Make rev multilink expressions work for anydbm
Ralf Schlatterbeck <rsc@runtux.com>
parents:
diff changeset
155 self.x.generate(atom),
8bc5faeb7677 Make rev multilink expressions work for anydbm
Ralf Schlatterbeck <rsc@runtux.com>
parents:
diff changeset
156 self.y.generate(atom))
8bc5faeb7677 Make rev multilink expressions work for anydbm
Ralf Schlatterbeck <rsc@runtux.com>
parents:
diff changeset
157
8241
741ea8a86012 fix: issue2551374. Error handling for filter expressions.
John Rouillard <rouilj@ieee.org>
parents: 6964
diff changeset
158 def __repr__(self):
741ea8a86012 fix: issue2551374. Error handling for filter expressions.
John Rouillard <rouilj@ieee.org>
parents: 6964
diff changeset
159 return "(%s AND %s)" % (self.y, self.x)
741ea8a86012 fix: issue2551374. Error handling for filter expressions.
John Rouillard <rouilj@ieee.org>
parents: 6964
diff changeset
160
6960
7b090bb35c25 flake8 fixes - exception handling changed
John Rouillard <rouilj@ieee.org>
parents: 6412
diff changeset
161
6401
8bc5faeb7677 Make rev multilink expressions work for anydbm
Ralf Schlatterbeck <rsc@runtux.com>
parents:
diff changeset
162 def compile_expression(opcodes):
8bc5faeb7677 Make rev multilink expressions work for anydbm
Ralf Schlatterbeck <rsc@runtux.com>
parents:
diff changeset
163
8bc5faeb7677 Make rev multilink expressions work for anydbm
Ralf Schlatterbeck <rsc@runtux.com>
parents:
diff changeset
164 stack = []
8bc5faeb7677 Make rev multilink expressions work for anydbm
Ralf Schlatterbeck <rsc@runtux.com>
parents:
diff changeset
165 push, pop = stack.append, stack.pop
8241
741ea8a86012 fix: issue2551374. Error handling for filter expressions.
John Rouillard <rouilj@ieee.org>
parents: 6964
diff changeset
166 try:
741ea8a86012 fix: issue2551374. Error handling for filter expressions.
John Rouillard <rouilj@ieee.org>
parents: 6964
diff changeset
167 for position, opcode in enumerate(opcodes): # noqa: B007
741ea8a86012 fix: issue2551374. Error handling for filter expressions.
John Rouillard <rouilj@ieee.org>
parents: 6964
diff changeset
168 if opcode == -1: push(Empty(opcode)) # noqa: E271,E701
741ea8a86012 fix: issue2551374. Error handling for filter expressions.
John Rouillard <rouilj@ieee.org>
parents: 6964
diff changeset
169 elif opcode == -2: push(Not(pop())) # noqa: E701
741ea8a86012 fix: issue2551374. Error handling for filter expressions.
John Rouillard <rouilj@ieee.org>
parents: 6964
diff changeset
170 elif opcode == -3: push(And(pop(), pop())) # noqa: E701
741ea8a86012 fix: issue2551374. Error handling for filter expressions.
John Rouillard <rouilj@ieee.org>
parents: 6964
diff changeset
171 elif opcode == -4: push(Or(pop(), pop())) # noqa: E701
741ea8a86012 fix: issue2551374. Error handling for filter expressions.
John Rouillard <rouilj@ieee.org>
parents: 6964
diff changeset
172 else: push(Equals(opcode)) # noqa: E701
741ea8a86012 fix: issue2551374. Error handling for filter expressions.
John Rouillard <rouilj@ieee.org>
parents: 6964
diff changeset
173 except IndexError:
741ea8a86012 fix: issue2551374. Error handling for filter expressions.
John Rouillard <rouilj@ieee.org>
parents: 6964
diff changeset
174 raise ExpressionError(
741ea8a86012 fix: issue2551374. Error handling for filter expressions.
John Rouillard <rouilj@ieee.org>
parents: 6964
diff changeset
175 _("There was an error searching %(class)s by %(attr)s using: "
741ea8a86012 fix: issue2551374. Error handling for filter expressions.
John Rouillard <rouilj@ieee.org>
parents: 6964
diff changeset
176 "%(opcodes)s. "
741ea8a86012 fix: issue2551374. Error handling for filter expressions.
John Rouillard <rouilj@ieee.org>
parents: 6964
diff changeset
177 "The operator %(opcode)s (%(opcodename)s) at position "
741ea8a86012 fix: issue2551374. Error handling for filter expressions.
John Rouillard <rouilj@ieee.org>
parents: 6964
diff changeset
178 "%(position)d has too few arguments."),
741ea8a86012 fix: issue2551374. Error handling for filter expressions.
John Rouillard <rouilj@ieee.org>
parents: 6964
diff changeset
179 context={
741ea8a86012 fix: issue2551374. Error handling for filter expressions.
John Rouillard <rouilj@ieee.org>
parents: 6964
diff changeset
180 "opcode": opcode,
741ea8a86012 fix: issue2551374. Error handling for filter expressions.
John Rouillard <rouilj@ieee.org>
parents: 6964
diff changeset
181 "opcodename": opcode_names[opcode],
741ea8a86012 fix: issue2551374. Error handling for filter expressions.
John Rouillard <rouilj@ieee.org>
parents: 6964
diff changeset
182 "position": position + 1,
741ea8a86012 fix: issue2551374. Error handling for filter expressions.
John Rouillard <rouilj@ieee.org>
parents: 6964
diff changeset
183 "opcodes": opcodes,
741ea8a86012 fix: issue2551374. Error handling for filter expressions.
John Rouillard <rouilj@ieee.org>
parents: 6964
diff changeset
184 })
741ea8a86012 fix: issue2551374. Error handling for filter expressions.
John Rouillard <rouilj@ieee.org>
parents: 6964
diff changeset
185 if len(stack) != 1:
741ea8a86012 fix: issue2551374. Error handling for filter expressions.
John Rouillard <rouilj@ieee.org>
parents: 6964
diff changeset
186 # Too many arguments - I don't think stack can be zero length
741ea8a86012 fix: issue2551374. Error handling for filter expressions.
John Rouillard <rouilj@ieee.org>
parents: 6964
diff changeset
187 raise ExpressionError(
741ea8a86012 fix: issue2551374. Error handling for filter expressions.
John Rouillard <rouilj@ieee.org>
parents: 6964
diff changeset
188 _("There was an error searching %(class)s by %(attr)s using: "
741ea8a86012 fix: issue2551374. Error handling for filter expressions.
John Rouillard <rouilj@ieee.org>
parents: 6964
diff changeset
189 "%(opcodes)s. "
741ea8a86012 fix: issue2551374. Error handling for filter expressions.
John Rouillard <rouilj@ieee.org>
parents: 6964
diff changeset
190 "There are too many arguments for the existing operators. The "
741ea8a86012 fix: issue2551374. Error handling for filter expressions.
John Rouillard <rouilj@ieee.org>
parents: 6964
diff changeset
191 "values on the stack are: %(stack)s"),
741ea8a86012 fix: issue2551374. Error handling for filter expressions.
John Rouillard <rouilj@ieee.org>
parents: 6964
diff changeset
192 context={
741ea8a86012 fix: issue2551374. Error handling for filter expressions.
John Rouillard <rouilj@ieee.org>
parents: 6964
diff changeset
193 "opcodes": opcodes,
741ea8a86012 fix: issue2551374. Error handling for filter expressions.
John Rouillard <rouilj@ieee.org>
parents: 6964
diff changeset
194 "stack": stack,
741ea8a86012 fix: issue2551374. Error handling for filter expressions.
John Rouillard <rouilj@ieee.org>
parents: 6964
diff changeset
195 })
6401
8bc5faeb7677 Make rev multilink expressions work for anydbm
Ralf Schlatterbeck <rsc@runtux.com>
parents:
diff changeset
196
8bc5faeb7677 Make rev multilink expressions work for anydbm
Ralf Schlatterbeck <rsc@runtux.com>
parents:
diff changeset
197 return pop()
8bc5faeb7677 Make rev multilink expressions work for anydbm
Ralf Schlatterbeck <rsc@runtux.com>
parents:
diff changeset
198
6960
7b090bb35c25 flake8 fixes - exception handling changed
John Rouillard <rouilj@ieee.org>
parents: 6412
diff changeset
199
6401
8bc5faeb7677 Make rev multilink expressions work for anydbm
Ralf Schlatterbeck <rsc@runtux.com>
parents:
diff changeset
200 class Expression:
8bc5faeb7677 Make rev multilink expressions work for anydbm
Ralf Schlatterbeck <rsc@runtux.com>
parents:
diff changeset
201
8472
224ccb8b49ca refactor: change some classes to use __slots__
John Rouillard <rouilj@ieee.org>
parents: 8241
diff changeset
202 __slots__ = ("evaluate",)
224ccb8b49ca refactor: change some classes to use __slots__
John Rouillard <rouilj@ieee.org>
parents: 8241
diff changeset
203
6412
a0c0ee3ed8b1 Tests for Link expressions
Ralf Schlatterbeck <rsc@runtux.com>
parents: 6401
diff changeset
204 def __init__(self, v, is_link=False):
6401
8bc5faeb7677 Make rev multilink expressions work for anydbm
Ralf Schlatterbeck <rsc@runtux.com>
parents:
diff changeset
205 try:
8bc5faeb7677 Make rev multilink expressions work for anydbm
Ralf Schlatterbeck <rsc@runtux.com>
parents:
diff changeset
206 opcodes = [int(x) for x in v]
8bc5faeb7677 Make rev multilink expressions work for anydbm
Ralf Schlatterbeck <rsc@runtux.com>
parents:
diff changeset
207 if min(opcodes) >= -1:
8bc5faeb7677 Make rev multilink expressions work for anydbm
Ralf Schlatterbeck <rsc@runtux.com>
parents:
diff changeset
208 raise ValueError()
8bc5faeb7677 Make rev multilink expressions work for anydbm
Ralf Schlatterbeck <rsc@runtux.com>
parents:
diff changeset
209
8bc5faeb7677 Make rev multilink expressions work for anydbm
Ralf Schlatterbeck <rsc@runtux.com>
parents:
diff changeset
210 compiled = compile_expression(opcodes)
6412
a0c0ee3ed8b1 Tests for Link expressions
Ralf Schlatterbeck <rsc@runtux.com>
parents: 6401
diff changeset
211 if is_link:
a0c0ee3ed8b1 Tests for Link expressions
Ralf Schlatterbeck <rsc@runtux.com>
parents: 6401
diff changeset
212 self.evaluate = lambda x: compiled.evaluate(
8241
741ea8a86012 fix: issue2551374. Error handling for filter expressions.
John Rouillard <rouilj@ieee.org>
parents: 6964
diff changeset
213 (x and [int(x)]) or [])
6412
a0c0ee3ed8b1 Tests for Link expressions
Ralf Schlatterbeck <rsc@runtux.com>
parents: 6401
diff changeset
214 else:
a0c0ee3ed8b1 Tests for Link expressions
Ralf Schlatterbeck <rsc@runtux.com>
parents: 6401
diff changeset
215 self.evaluate = lambda x: compiled.evaluate([int(y) for y in x])
6964
87af08c75695 catch type error as well.
John Rouillard <rouilj@ieee.org>
parents: 6960
diff changeset
216 except (ValueError, TypeError):
6412
a0c0ee3ed8b1 Tests for Link expressions
Ralf Schlatterbeck <rsc@runtux.com>
parents: 6401
diff changeset
217 if is_link:
a0c0ee3ed8b1 Tests for Link expressions
Ralf Schlatterbeck <rsc@runtux.com>
parents: 6401
diff changeset
218 v = [None if x == '-1' else x for x in v]
a0c0ee3ed8b1 Tests for Link expressions
Ralf Schlatterbeck <rsc@runtux.com>
parents: 6401
diff changeset
219 self.evaluate = lambda x: x in v
a0c0ee3ed8b1 Tests for Link expressions
Ralf Schlatterbeck <rsc@runtux.com>
parents: 6401
diff changeset
220 elif '-1' in v:
6401
8bc5faeb7677 Make rev multilink expressions work for anydbm
Ralf Schlatterbeck <rsc@runtux.com>
parents:
diff changeset
221 v = [x for x in v if int(x) > 0]
8bc5faeb7677 Make rev multilink expressions work for anydbm
Ralf Schlatterbeck <rsc@runtux.com>
parents:
diff changeset
222 self.evaluate = lambda x: bool(set(x) & set(v)) or not x
8bc5faeb7677 Make rev multilink expressions work for anydbm
Ralf Schlatterbeck <rsc@runtux.com>
parents:
diff changeset
223 else:
8bc5faeb7677 Make rev multilink expressions work for anydbm
Ralf Schlatterbeck <rsc@runtux.com>
parents:
diff changeset
224 self.evaluate = lambda x: bool(set(x) & set(v))
6960
7b090bb35c25 flake8 fixes - exception handling changed
John Rouillard <rouilj@ieee.org>
parents: 6412
diff changeset
225 except BaseException:
7b090bb35c25 flake8 fixes - exception handling changed
John Rouillard <rouilj@ieee.org>
parents: 6412
diff changeset
226 raise
Roundup Issue Tracker: http://roundup-tracker.org/