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
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
|
#!/usr/bin/env python3
#
# build-command-template: converts new style command definitions in XML
# to the old style (bunch of dirs and node.def's) command templates
#
# Copyright (C) 2017 VyOS maintainers <maintainers@vyos.net>
#
# This library is free software; you can redistribute it and/or
# modify it under the terms of the GNU Lesser General Public
# License as published by the Free Software Foundation; either
# version 2.1 of the License, or (at your option) any later version.
#
# This library is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public
# License along with this library; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301
# USA
import sys
import os
import getopt
import copy
import functools
import pprint
from lxml import etree as ET
## Get arguments
if len(sys.argv) < 4:
print("Usage: {0} <interface definition file> <schema file> <output directory>".format(sys.argv[0]))
sys.exit(1)
input_file = sys.argv[1]
schema_file = sys.argv[2]
output_dir = sys.argv[3]
debug = False
try:
opts, args = getopt.getopt(sys.argv[4:], '', ['debug=', ])
for opt, arg in opts:
if opt == '--debug':
if arg == "1":
debug = True
except getopt.GetoptError as err:
pass
## Load and validate the inputs
try:
xml = ET.parse(input_file)
except Exception as e:
print("Failed to load interface definition file {0}".format(input_file))
print(e)
sys.exit(1)
try:
relaxng_xml = ET.parse(schema_file)
validator = ET.RelaxNG(relaxng_xml)
if not validator.validate(xml):
print(validator.error_log)
print("Interface definition file {0} does not match the schema!".format(input_file))
sys.exit(1)
except Exception as e:
print("Failed to load the XML schema {0}".format(schema_file))
print(e)
sys.exit(1)
if not os.access(output_dir, os.W_OK):
print("The output directory {0} is not writeable".format(output_dir))
sys.exit(1)
## If we got this far, everything must be ok and we can convert the file
def make_path(l):
path = functools.reduce(os.path.join, l)
if debug:
print(path)
return path
def get_properties(p):
props = {}
if p is None:
return props
# Get the help string
try:
props["help"] = p.find("help").text
except:
pass
# Get value help strings
try:
vhe = p.findall("valueHelp")
vh = []
for v in vhe:
vh.append( (v.find("format").text, v.find("description").text) )
props["val_help"] = vh
except:
props["val_help"] = []
# Get the completion help strings
try:
che = p.findall("completionHelp")
ch = ""
for c in che:
scripts = c.findall("script")
paths = c.findall("path")
lists = c.findall("list")
# Current backend doesn't support multiple allowed: tags
# so we get to emulate it
comp_exprs = []
for i in lists:
comp_exprs.append("echo \"{0}\"".format(i.text))
for i in paths:
comp_exprs.append("/bin/cli-shell-api listNodes {0}".format(i.text))
for i in scripts:
comp_exprs.append("sh -c \"{0}\"".format(i.text))
comp_help = " && ".join(comp_exprs)
props["comp_help"] = comp_help
except:
props["comp_help"] = []
# Get priority
try:
props["priority"] = p.find("priority").text
except:
pass
# Get "multi"
if p.find("multi") is not None:
props["multi"] = True
return props
def make_node_def(props):
# XXX: replace with a template processor if it grows
# out of control
node_def = ""
if "tag" in props:
node_def += "tag:\n"
if "type" in props:
node_def += "type: {0}\n".format(props["type"])
if "multi" in props:
node_def += "multi:\n"
if "priority" in props:
node_def += "priority: {0}\n".format(props["priority"])
if "help" in props:
node_def += "help: {0}\n".format(props["help"])
if "val_help" in props:
for v in props["val_help"]:
node_def += "val_help: {0}; {1}\n".format(v[0], v[1])
if "comp_help" in props:
node_def += "allowed: {0}\n".format(props["comp_help"])
if "owner" in props:
node_def += "end: sudo sh -c \"{0}\"\n".format(props["owner"])
if debug:
print("The content of node_def:", node_def)
return node_def
def process_node(n, tmpl_dir):
# Avoid mangling the path from the outer call
my_tmpl_dir = copy.copy(tmpl_dir)
props_elem = n.find("properties")
children = n.find("children")
name = n.get("name")
owner = n.get("owner")
node_type = n.tag
my_tmpl_dir.append(name)
if debug:
print("Name of the node: {};\n Created directory: ".format(name), end="")
os.makedirs(make_path(my_tmpl_dir), exist_ok=True)
props = get_properties(props_elem)
if owner:
props["owner"] = owner
# Type should not be set for non-tag, non-leaf nodes
if node_type != "node":
props["type"] = "txt"
if node_type == "tagNode":
props["tag"] = "True"
with open(os.path.join(make_path(my_tmpl_dir), "node.def"), "w") as f:
f.write(make_node_def(props))
if node_type == "node":
inner_nodes = children.iterfind("*")
for inner_n in inner_nodes:
process_node(inner_n, my_tmpl_dir)
if node_type == "tagNode":
my_tmpl_dir.append("node.tag")
if debug:
print("Created path for the tagNode:", end="")
os.makedirs(make_path(my_tmpl_dir), exist_ok=True)
inner_nodes = children.iterfind("*")
for inner_n in inner_nodes:
process_node(inner_n, my_tmpl_dir)
else:
# This is a leaf node
pass
root = xml.getroot()
nodes = root.iterfind("*")
for n in nodes:
process_node(n, [output_dir])
|
