1 #
2 # Copyright (c) 2001 Bizar Software Pty Ltd (http://www.bizarsoftware.com.au/)
3 # This module is free software, and you may redistribute it and/or modify
4 # under the same terms as Python, so long as this copyright message and
5 # disclaimer are retained in their original form.
6 #
7 # IN NO EVENT SHALL BIZAR SOFTWARE PTY LTD BE LIABLE TO ANY PARTY FOR
8 # DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES ARISING
9 # OUT OF THE USE OF THIS CODE, EVEN IF THE AUTHOR HAS BEEN ADVISED OF THE
10 # POSSIBILITY OF SUCH DAMAGE.
11 #
12 # BIZAR SOFTWARE PTY LTD SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING,
13 # BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
14 # FOR A PARTICULAR PURPOSE. THE CODE PROVIDED HEREUNDER IS ON AN "AS IS"
15 # BASIS, AND THERE IS NO OBLIGATION WHATSOEVER TO PROVIDE MAINTENANCE,
16 # SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
17 #
18 # $Id: init.py,v 1.36 2005-12-03 11:22:50 a1s Exp $
20 """Init (create) a roundup instance.
21 """
22 __docformat__ = 'restructuredtext'
24 import os, errno, rfc822
26 from roundup import install_util, password
27 from roundup.configuration import CoreConfig
28 from roundup.i18n import _
30 def copytree(src, dst, symlinks=0):
31 """Recursively copy a directory tree using copyDigestedFile().
33 The destination directory os allowed to exist.
35 If the optional symlinks flag is true, symbolic links in the
36 source tree result in symbolic links in the destination tree; if
37 it is false, the contents of the files pointed to by symbolic
38 links are copied.
40 This was copied from shutil.py in std lib.
41 """
42 names = os.listdir(src)
43 try:
44 os.mkdir(dst)
45 except OSError, error:
46 if error.errno != errno.EEXIST: raise
47 for name in names:
48 srcname = os.path.join(src, name)
49 dstname = os.path.join(dst, name)
50 if symlinks and os.path.islink(srcname):
51 linkto = os.readlink(srcname)
52 os.symlink(linkto, dstname)
53 elif os.path.isdir(srcname):
54 copytree(srcname, dstname, symlinks)
55 else:
56 install_util.copyDigestedFile(srcname, dstname)
58 def install(instance_home, template, settings={}):
59 '''Install an instance using the named template and backend.
61 'instance_home'
62 the directory to place the instance data in
63 'template'
64 the directory holding the template to use in creating the instance data
65 'settings'
66 config.ini setting overrides (dictionary)
68 The instance_home directory will be created using the files found in
69 the named template (roundup.templates.<name>). A usual instance_home
70 contains:
72 config.ini
73 tracker configuration file
74 schema.py
75 database schema definition
76 initial_data.py
77 database initialization script, used to populate the database
78 with 'roundup-admin init' command
79 interfaces.py
80 (optional, not installed from standard templates) defines
81 the CGI Client and mail gateway MailGW classes that are
82 used by roundup.cgi, roundup-server and roundup-mailgw.
83 db/
84 the actual database that stores the instance's data
85 html/
86 the html templates that are used by the CGI Client
87 detectors/
88 the auditor and reactor modules for this instance
89 extensions/
90 code extensions to Roundup
91 '''
92 # At the moment, it's just a copy
93 copytree(template, instance_home)
95 # rename the tempate in the TEMPLATE-INFO.txt file
96 ti = loadTemplateInfo(instance_home)
97 ti['name'] = ti['name'] + '-' + os.path.split(instance_home)[1]
98 saveTemplateInfo(instance_home, ti)
100 # if there is no config.ini or old-style config.py
101 # installed from the template, write default config text
102 config_ini_file = os.path.join(instance_home, CoreConfig.INI_FILE)
103 if not os.path.isfile(config_ini_file):
104 config = CoreConfig(settings=settings)
105 config.save(config_ini_file)
108 def listTemplates(dir):
109 ''' List all the Roundup template directories in a given directory.
111 Find all the dirs that contain a TEMPLATE-INFO.txt and parse it.
113 Return a list of dicts of info about the templates.
114 '''
115 ret = {}
116 for idir in os.listdir(dir):
117 idir = os.path.join(dir, idir)
118 ti = loadTemplateInfo(idir)
119 if ti:
120 ret[ti['name']] = ti
121 return ret
123 def loadTemplateInfo(dir):
124 ''' Attempt to load a Roundup template from the indicated directory.
126 Return None if there's no template, otherwise a template info
127 dictionary.
128 '''
129 ti = os.path.join(dir, 'TEMPLATE-INFO.txt')
130 if not os.path.exists(ti):
131 return None
133 if os.path.exists(os.path.join(dir, 'config.py')):
134 print _("WARNING: directory '%s'\n"
135 "\tcontains old-style template - ignored"
136 ) % os.path.abspath(dir)
137 return None
139 # load up the template's information
140 f = open(ti)
141 try:
142 m = rfc822.Message(open(ti))
143 ti = {}
144 ti['name'] = m['name']
145 ti['description'] = m['description']
146 ti['intended-for'] = m['intended-for']
147 ti['path'] = dir
148 finally:
149 f.close()
150 return ti
152 def writeHeader(name, value):
153 ''' Write an rfc822-compatible header line, making it wrap reasonably
154 '''
155 out = [name.capitalize() + ':']
156 n = len(out[0])
157 for word in value.split():
158 if len(word) + n > 74:
159 out.append('\n')
160 n = 0
161 out.append(' ' + word)
162 n += len(out[-1])
163 return ''.join(out) + '\n'
165 def saveTemplateInfo(dir, info):
166 ''' Save the template info (dict of values) to the TEMPLATE-INFO.txt
167 file in the indicated directory.
168 '''
169 ti = os.path.join(dir, 'TEMPLATE-INFO.txt')
170 f = open(ti, 'w')
171 try:
172 for name in 'name description intended-for path'.split():
173 f.write(writeHeader(name, info[name]))
174 finally:
175 f.close()
177 def write_select_db(instance_home, backend):
178 ''' Write the file that selects the backend for the tracker
179 '''
180 dbdir = os.path.join(instance_home, 'db')
181 if not os.path.exists(dbdir):
182 os.makedirs(dbdir)
183 f = open(os.path.join(dbdir, 'backend_name'), 'w')
184 f.write(backend+'\n')
185 f.close()
189 # vim: set filetype=python sts=4 sw=4 et si :