| 1 | #! /usr/bin/python |
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| 2 | # -*- mode: python; coding: utf-8 -*- |
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| 3 | # :Progetto: vcpx -- Interactive session |
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| 4 | # :Creato: ven 13 mag 2005 02:00:57 CEST |
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| 5 | # :Autore: Lele Gaifax <lele@nautilus.homeip.net> |
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| 6 | # :Licenza: GNU General Public License |
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| 7 | # |
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| 8 | |
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| 9 | """ |
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| 10 | Tailor interactive session. |
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| 11 | |
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| 12 | This module implements an alternative approach at driving the various |
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| 13 | steps tipically performed by tailor, using an interaction with the user |
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| 14 | instead of pushing options madness on him. |
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| 15 | """ |
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| 16 | |
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| 17 | __docformat__ = 'reStructuredText' |
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| 18 | |
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| 19 | from cmd import Cmd |
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| 20 | from os import chdir, getcwd |
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| 21 | |
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| 22 | |
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| 23 | INTRO = """\ |
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| 24 | Welcome to the Tailor interactive session: you can issue several commands |
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| 25 | with the usual `readline` facilities. With "help" you'll get a list of |
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| 26 | available commands. |
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| 27 | """ |
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| 28 | |
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| 29 | |
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| 30 | class Session(Cmd): |
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| 31 | """Tailor interactive session.""" |
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| 32 | |
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| 33 | prompt = "tailor $ " |
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| 34 | |
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| 35 | def __init__(self, options, args): |
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| 36 | """ |
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| 37 | Initialize a new interactive session. |
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| 38 | |
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| 39 | Set the default values, and override them with option settings, |
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| 40 | then slurp in each command line argument that should contain |
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| 41 | a list of commands to be executed. |
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| 42 | """ |
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| 43 | |
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| 44 | Cmd.__init__(self) |
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| 45 | self.options = options |
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| 46 | self.args = args |
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| 47 | |
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| 48 | self.source_repository = options.repository |
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| 49 | self.source_kind = options.source_kind |
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| 50 | self.source_module = options.module |
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| 51 | self.target_repository = None |
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| 52 | self.target_kind = options.target_kind |
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| 53 | self.target_module = None |
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| 54 | self.current_directory = getcwd() |
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| 55 | self.sub_directory = None |
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| 56 | |
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| 57 | self.state_file = 'tailor.state' |
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| 58 | |
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| 59 | self.changesets = None |
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| 60 | self.logfile = None |
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| 61 | self.logger = None |
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| 62 | |
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| 63 | self.__processArgs() |
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| 64 | |
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| 65 | def __processArgs(self): |
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| 66 | """ |
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| 67 | Process optional command line arguments. |
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| 68 | |
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| 69 | Each argument is assumed to contain a list of tailor commands |
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| 70 | to execute in order. |
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| 71 | """ |
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| 72 | |
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| 73 | for arg in self.args: |
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| 74 | self.cmdqueue.extend(file(arg).readlines()) |
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| 75 | |
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| 76 | def __log(self, what): |
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| 77 | if self.logger: |
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| 78 | self.logger.info(what) |
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| 79 | |
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| 80 | if self.options.verbose: |
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| 81 | self.stdout.write(what) |
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| 82 | |
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| 83 | def __err(self, what): |
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| 84 | if self.logger: |
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| 85 | self.logger.error(what) |
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| 86 | |
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| 87 | self.stdout.write('Error: ') |
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| 88 | self.stdout.write(what) |
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| 89 | |
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| 90 | |
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| 91 | ## Interactive commands |
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| 92 | |
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| 93 | def emptyline(self): |
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| 94 | """Override the default impl of reexecuting last command.""" |
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| 95 | pass |
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| 96 | |
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| 97 | def do_exit(self, arg): |
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| 98 | """ |
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| 99 | Usage: exit |
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| 100 | |
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| 101 | Terminate the interactive session. This is the same thing |
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| 102 | happening upon EOF (Ctrl-D). |
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| 103 | """ |
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| 104 | |
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| 105 | self.__log('Exiting...\n') |
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| 106 | return True |
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| 107 | |
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| 108 | do_EOF = do_exit |
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| 109 | |
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| 110 | def do_save(self, arg): |
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| 111 | """ |
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| 112 | Usage: save filename |
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| 113 | |
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| 114 | Save the commands history on the specified file. |
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| 115 | """ |
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| 116 | |
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| 117 | import readline |
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| 118 | |
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| 119 | if not arg: |
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| 120 | return |
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| 121 | |
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| 122 | readline.write_history_file(arg) |
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| 123 | self.__log('History saved in: %s\n' % arg) |
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| 124 | |
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| 125 | def do_cd(self, arg): |
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| 126 | """ |
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| 127 | Usage: cd [dirname] |
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| 128 | |
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| 129 | Print or set current active directory. |
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| 130 | """ |
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| 131 | |
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| 132 | if arg and self.current_directory <> arg: |
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| 133 | try: |
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| 134 | chdir(arg) |
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| 135 | self.current_directory = getcwd() |
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| 136 | except: |
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| 137 | self.__log('Cannot change current directory to %s\n' % |
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| 138 | arg) |
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| 139 | self.__log('Current directory: %s\n' % self.current_directory) |
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| 140 | |
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| 141 | do_current_directory = do_cd |
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| 142 | |
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| 143 | def do_sub_directory(self, arg): |
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| 144 | """ |
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| 145 | Usage: sub_directory dirname |
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| 146 | |
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| 147 | Print or set the subdirectory that actually contains the |
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| 148 | working copy. When not explicitly set, this is desumed from |
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| 149 | the last component of the upstream module name or repository. |
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| 150 | """ |
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| 151 | |
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| 152 | if arg and self.sub_directory <> arg: |
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| 153 | self.sub_directory = arg |
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| 154 | |
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| 155 | self.__log('Sub directory: %s\n' % self.sub_directory) |
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| 156 | |
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| 157 | def do_logfile(self, arg): |
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| 158 | """ |
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| 159 | Usage: logfile [filename] |
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| 160 | |
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| 161 | Print or set the logfile of operations. By default there's no log. |
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| 162 | """ |
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| 163 | |
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| 164 | import logging |
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| 165 | |
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| 166 | if arg: |
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| 167 | self.logfile = arg |
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| 168 | self.logger = logging.getLogger('tailor') |
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| 169 | hdlr = logging.FileHandler(self.logfile) |
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| 170 | formatter = logging.Formatter('%(asctime)s [%(levelname)s] %(message)s') |
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| 171 | hdlr.setFormatter(formatter) |
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| 172 | self.logger.addHandler(hdlr) |
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| 173 | self.logger.setLevel(logging.INFO) |
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| 174 | |
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| 175 | self.__log('Logging to: %s\n' % self.logfile) |
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| 176 | |
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| 177 | def do_print_executed_commands(self, arg): |
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| 178 | """ |
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| 179 | Usage: print_executed_commands [0|1] |
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| 180 | |
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| 181 | Print or set the verbosity on external commands execution. |
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| 182 | """ |
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| 183 | |
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| 184 | from shwrap import SystemCommand |
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| 185 | |
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| 186 | if arg: |
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| 187 | SystemCommand.VERBOSE = bool(arg) |
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| 188 | |
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| 189 | self.__log('Print executed commands: %s\n' % SystemCommand.VERBOSE) |
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| 190 | |
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| 191 | def do_patch_name_format(self, arg): |
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| 192 | """ |
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| 193 | Usage: patch_name_format [format] |
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| 194 | |
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| 195 | Print or set the patch name format, ie the prototype that will |
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| 196 | be used to compute the patch name. |
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| 197 | |
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| 198 | The prototype may contain %(keyword)s such as 'module', |
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| 199 | 'author', 'date', 'revision', 'firstlogline', 'remaininglog' |
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| 200 | for normal updates, otherwise 'module', 'authors', |
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| 201 | 'nchangesets', 'mindate' and 'maxdate'. |
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| 202 | """ |
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| 203 | |
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| 204 | from target import SyncronizableTargetWorkingDir |
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| 205 | |
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| 206 | if arg: |
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| 207 | SyncronizableTargetWorkingDir.PATCH_NAME_FORMAT = arg |
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| 208 | |
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| 209 | self.__log('Patch name format: %s\n' % |
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| 210 | SyncronizableTargetWorkingDir.PATCH_NAME_FORMAT) |
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| 211 | |
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| 212 | def do_remove_first_log_line(self, arg): |
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| 213 | """ |
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| 214 | Usage: remove_first_log_line [0|1] |
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| 215 | |
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| 216 | Print or set if tailor should drop the first line of the |
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| 217 | upstream changelog. |
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| 218 | |
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| 219 | This is intended to go in pair with patch_name_format, when |
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| 220 | using it's 'firstlogline' variable to build the name of the |
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| 221 | patch. |
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| 222 | """ |
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| 223 | |
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| 224 | from target import SyncronizableTargetWorkingDir |
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| 225 | |
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| 226 | if arg: |
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| 227 | SyncronizableTargetWorkingDir.REMOVE_FIRST_LOG_LINE = bool(arg) |
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| 228 | |
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| 229 | self.__log('Remove first log line: %s\n' % |
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| 230 | SyncronizableTargetWorkingDir.REMOVE_FIRST_LOG_LINE) |
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| 231 | |
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| 232 | def do_refill_changelogs(self, arg): |
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| 233 | """ |
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| 234 | Usage: refill_changelogs [0|1] |
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| 235 | |
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| 236 | Print or set if tailor should refill the upstream changelogs, |
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| 237 | as it does by default. |
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| 238 | """ |
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| 239 | |
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| 240 | from changes import Changeset |
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| 241 | |
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| 242 | if arg: |
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| 243 | Changeset.REFILL_MESSAGE = bool(arg) |
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| 244 | |
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| 245 | self.__log('Refill changelogs: %s\n' % Changeset.REFILL_MESSAGE) |
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| 246 | |
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| 247 | def do_source_kind(self, arg): |
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| 248 | """ |
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| 249 | Usage: source_kind [svn|darcs|cvs] |
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| 250 | |
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| 251 | Print or set the source repository kind. |
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| 252 | """ |
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| 253 | |
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| 254 | if arg and self.source_kind <> arg: |
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| 255 | self.source_kind = arg |
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| 256 | |
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| 257 | self.__log('Current source kind: %s\n' % self.source_kind) |
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| 258 | |
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| 259 | def do_target_kind(self, arg): |
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| 260 | """ |
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| 261 | Usage: target_kind [svn|darcs|cvs|monotone|cdv|bzr] |
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| 262 | |
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| 263 | Print or set the target repository kind. |
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| 264 | """ |
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| 265 | |
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| 266 | if arg and self.target_kind <> arg: |
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| 267 | self.target_kind = arg |
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| 268 | |
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| 269 | self.__log('Current target kind: %s\n' % self.target_kind) |
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| 270 | |
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| 271 | def do_source_repository(self, arg): |
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| 272 | """ |
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| 273 | Usage: source_repository [repos] |
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| 274 | |
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| 275 | Print or set the source repository. |
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| 276 | """ |
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| 277 | |
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| 278 | from os.path import sep |
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| 279 | |
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| 280 | if arg and self.source_repository <> arg: |
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| 281 | if arg.endswith(sep): |
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| 282 | arg = arg[:-1] |
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| 283 | self.source_repository = arg |
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| 284 | |
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| 285 | self.__log('Current source repository: %s\n' % self.source_repository) |
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| 286 | |
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| 287 | def do_target_repository(self, arg): |
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| 288 | """ |
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| 289 | Usage: target_repository [repos] |
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| 290 | |
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| 291 | Print or set the target repository. This is currently unused. |
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| 292 | """ |
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| 293 | |
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| 294 | from os.path import sep |
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| 295 | |
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| 296 | if arg and self.target_repository <> arg: |
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| 297 | if arg.endswith(sep): |
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| 298 | arg = arg[:-1] |
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| 299 | self.target_repository = arg |
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| 300 | |
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| 301 | self.__log('Current target repository: %s\n' % self.target_repository) |
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| 302 | |
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| 303 | def do_source_module(self, arg): |
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| 304 | """ |
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| 305 | Usage: source_module [module] |
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| 306 | |
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| 307 | Print or set the source module. |
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| 308 | """ |
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| 309 | |
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| 310 | from os.path import sep |
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| 311 | |
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| 312 | if arg and self.source_module <> arg: |
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| 313 | if arg.endswith(sep): |
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| 314 | arg = arg[:-1] |
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| 315 | self.source_module = arg |
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| 316 | |
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| 317 | self.__log('Current target kind: %s\n' % self.source_module) |
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| 318 | |
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| 319 | def do_target_module(self, arg): |
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| 320 | """ |
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| 321 | Usage: target_module [module] |
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| 322 | |
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| 323 | Print or set the target module. This is currently not used. |
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| 324 | """ |
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| 325 | |
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| 326 | from os.path import sep |
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| 327 | |
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| 328 | if arg and self.target_module <> arg: |
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| 329 | if arg.endswith(sep): |
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| 330 | arg = arg[:-1] |
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| 331 | self.target_module = arg |
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| 332 | |
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| 333 | self.__log('Current target kind: %s\n' % self.target_module) |
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| 334 | |
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| 335 | def readSourceRevision(self): |
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| 336 | """Read the source revision from the state file.""" |
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| 337 | |
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| 338 | try: |
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| 339 | sf = open(self.state_file) |
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| 340 | revision = sf.read() |
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| 341 | sf.close() |
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| 342 | except IOError: |
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| 343 | revision = None |
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| 344 | |
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| 345 | return revision |
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| 346 | |
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| 347 | def saveSourceRevision(self, revision): |
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| 348 | """Write current source revision in the state file.""" |
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| 349 | |
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| 350 | sf = open(self.state_file, 'w') |
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| 351 | sf.write(revision) |
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| 352 | sf.close() |
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| 353 | |
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| 354 | def do_state_file(self, arg): |
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| 355 | """ |
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| 356 | Usage: state_file [filename] |
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| 357 | |
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| 358 | Print or set the current state file, where tailor stores the |
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| 359 | source revision that has been applied last. |
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| 360 | |
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| 361 | The argument must be a file name, possibly with the usual |
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| 362 | "~user/file" convention. |
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| 363 | """ |
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| 364 | |
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| 365 | from os.path import isabs, abspath, expanduser |
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| 366 | |
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| 367 | if arg: |
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| 368 | arg = expanduser(arg) |
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| 369 | if not isabs(arg): |
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| 370 | arg = abspath(arg) |
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| 371 | |
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| 372 | if arg and self.state_file <> arg: |
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| 373 | self.state_file = arg |
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| 374 | |
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| 375 | self.__log('Current state file: %s\n' % self.state_file) |
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| 376 | |
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| 377 | def do_get_changes(self, arg): |
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| 378 | """Fetch information on upstream changes.""" |
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| 379 | |
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| 380 | source_revision = self.readSourceRevision() |
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| 381 | if self.source_kind and \ |
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| 382 | self.source_repository and \ |
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| 383 | self.source_module and \ |
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| 384 | source_revision: |
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| 385 | |
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| 386 | dwd = DualWorkingDir(self.source_kind, self.target_kind) |
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| 387 | self.changesets = dwd.getUpstreamChangesets(self.current_directory, |
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| 388 | self.source_repository, |
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| 389 | self.source_module, |
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| 390 | source_revision) |
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| 391 | self.__log('Collected %d upstream changesets\n' % |
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| 392 | len(self.changesets)) |
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| 393 | else: |
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| 394 | self.__err("needs 'source_kind', 'source_repository' and " |
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| 395 | "'source_module' to proceed.\n") |
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| 396 | |
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| 397 | def do_show_changes(self, arg): |
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| 398 | """Show the upstream changes not yet applied.""" |
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| 399 | |
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| 400 | if self.changesets: |
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| 401 | self.__log(`self.changesets`) |
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| 402 | self.__log('\n') |
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| 403 | else: |
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| 404 | self.__err("needs `get_changes` to proceed.\n") |
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| 405 | |
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| 406 | def do_bootstrap(self, arg): |
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| 407 | """ |
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| 408 | Usage: bootstrap [revision] |
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| 409 | |
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| 410 | Checkout the initial upstream revision, by default HEAD (or |
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| 411 | specified by argument), then import the subtree into the |
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| 412 | target repository. |
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| 413 | """ |
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| 414 | |
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| 415 | from os.path import join, split, sep |
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| 416 | from dualwd import DualWorkingDir |
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| 417 | |
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| 418 | if self.sub_directory: |
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| 419 | subdir = self.sub_directory |
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| 420 | else: |
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| 421 | subdir = split(self.source_module or self.source_repository)[1] or '' |
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| 422 | self.do_sub_directory(subdir) |
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| 423 | |
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| 424 | revision = arg or self.options.revision or 'HEAD' |
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| 425 | |
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| 426 | dwd = DualWorkingDir(self.source_kind, self.target_kind) |
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| 427 | self.__log("Getting %s revision '%s' of '%s' from '%s'\n" % ( |
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| 428 | self.source_kind, revision, |
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| 429 | self.source_module, self.source_repository)) |
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| 430 | |
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| 431 | try: |
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| 432 | actual = dwd.checkoutUpstreamRevision(self.current_directory, |
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| 433 | self.source_repository, |
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| 434 | self.source_module, |
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| 435 | revision, |
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| 436 | subdir=subdir, |
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| 437 | logger=self.logger) |
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| 438 | self.saveSourceRevision(actual) |
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| 439 | except Exception, exc: |
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| 440 | self.__err('Checkout failed: %s, %s' % (exc.__doc__, exc)) |
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| 441 | if self.logger: |
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| 442 | self.logger.exception('Checkout failed') |
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| 443 | |
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| 444 | try: |
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| 445 | dwd.initializeNewWorkingDir(self.current_directory, |
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| 446 | self.target_repository, |
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| 447 | self.target_module, |
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| 448 | self.sub_directory, |
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| 449 | actual) |
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| 450 | except: |
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| 451 | self.__err('Working copy initialization failed: %s, %s' % (exc.__doc__, exc)) |
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| 452 | if self.logger: |
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| 453 | self.logger.exception('Working copy initialization failed') |
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| 454 | |
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| 455 | |
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| 456 | def interactive(options, args): |
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| 457 | session = Session(options, args) |
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| 458 | session.cmdloop(options.verbose and INTRO or "") |
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