Index: trunk/wikiation/installer/download_installer.py |
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| 2 | +# This software, copyright (C) 2008-2009 by Wikiation. |
| 3 | +# This software is developed by Kim Bruning. |
| 4 | +# |
| 5 | +# Distributed under the terms of the MIT license. |
| 6 | + |
| 7 | +import settings |
| 8 | +import os, os.path, shutil |
| 9 | +import subprocess |
| 10 | + |
| 11 | +from installation_system import Installation_System |
| 12 | +from extension_installer import Extension_Installer_Exception |
| 13 | + |
| 14 | +class Download_Installer_Exception(Extension_Installer_Exception): |
| 15 | + pass |
| 16 | + |
| 17 | +class Unsupported_Exception(Exception): |
| 18 | + pass |
| 19 | + |
| 20 | +class Download_Installer(Installation_System): |
| 21 | + """download an extension, do nothing else""" |
| 22 | + system_name='download' |
| 23 | + destination_dir=None |
| 24 | + |
| 25 | + def set_revision(self,revision): |
| 26 | + self.destination_dir=os.path.join(settings.revisionsdir,revision,"extensions") |
| 27 | + Installation_System.set_revision(self,revision) |
| 28 | + |
| 29 | + def get_installers(self): |
| 30 | + l=list(os.popen('svn ls '+settings.extensionsdir)) |
| 31 | + # tidy l in place |
| 32 | + for i in range(len(l)): |
| 33 | + l[i]=l[i].strip() |
| 34 | + if l[i].endswith("/"): |
| 35 | + l[i]=l[i][:-1] |
| 36 | + return l |
| 37 | + #exists() ok. |
| 38 | + |
| 39 | + def installdir_name(): |
| 40 | + raise Unsupported_Exception("naive installer does not use installdirs") |
| 41 | + |
| 42 | + def exec_task(): |
| 43 | + raise Unsupported_Exception("naive installer does not use installdirs, and therefore also does not exec scripts in installdirs") |
| 44 | + |
| 45 | + def can_exec(self, installer_name, task): |
| 46 | + return False # we don't have an installdir, so we |
| 47 | + # can never exec a task. |
| 48 | + |
| 49 | + # get_installed: works ok. |
| 50 | + |
| 51 | + def is_installed(self, installer_name): |
| 52 | + if self.revision==None: |
| 53 | + raise Download_Installer_Exception("no revision specified ... did you try doing ... in <Revision> ?") |
| 54 | + path=os.path.join(self.destination_dir,installer_name) |
| 55 | + return os.path.isdir(path) |
| 56 | + |
| 57 | + # get info will cause an exception to be raised |
| 58 | + # install: ok. |
| 59 | + |
| 60 | + def do_download (self, installer_name, destination_dir): |
| 61 | + os.chdir(destination_dir) |
| 62 | + command="svn checkout '"+\ |
| 63 | + settings.extensionsdir+"/"+\ |
| 64 | + installer_name+"'" |
| 65 | + #print command |
| 66 | + os.system(command) |
| 67 | + |
| 68 | + def _settings_filepath(self, installer_name): |
| 69 | + settingsdir=os.path.join(self.destination_dir,"../LocalSettings") |
| 70 | + filename=installer_name+".settings.php" |
| 71 | + filepath=os.path.join(settingsdir,filename) |
| 72 | + return filepath |
| 73 | + |
| 74 | + def do_uninstall(self, installer_name, destination_dir): |
| 75 | + pathname=os.path.join(destination_dir, installer_name) |
| 76 | + shutil.rmtree(pathname,ignore_errors=True) |
| 77 | + |