summaryrefslogtreecommitdiffstats
path: root/Tools/Scripts/webkitpy/tool/steps/abstractstep.py
blob: 2ba4291f6d393db8197dcc5eaf9d36a40dd7fa3f (plain)
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
# Copyright (C) 2010 Google Inc. All rights reserved.
# 
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are
# met:
# 
#     * Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
#     * Redistributions in binary form must reproduce the above
# copyright notice, this list of conditions and the following disclaimer
# in the documentation and/or other materials provided with the
# distribution.
#     * Neither the name of Google Inc. nor the names of its
# contributors may be used to endorse or promote products derived from
# this software without specific prior written permission.
# 
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

from webkitpy.common.system.deprecated_logging import log
from webkitpy.common.system.executive import ScriptError
from webkitpy.common.config.ports import WebKitPort
from webkitpy.tool.steps.options import Options


class AbstractStep(object):
    def __init__(self, tool, options):
        self._tool = tool
        self._options = options

    # FIXME: This should use tool.port()
    def _run_script(self, script_name, args=None, quiet=False, port=WebKitPort):
        log("Running %s" % script_name)
        command = port.script_shell_command(script_name)
        if args:
            command.extend(args)
        self._tool.executive.run_and_throw_if_fail(command, quiet)

    def _changed_files(self, state):
        return self.cached_lookup(state, "changed_files")

    _well_known_keys = {
        "bug_title": lambda self, state: self._tool.bugs.fetch_bug(state["bug_id"]).title(),
        "changed_files": lambda self, state: self._tool.scm().changed_files(self._options.git_commit),
        "diff": lambda self, state: self._tool.scm().create_patch(self._options.git_commit, changed_files=self._changed_files(state)),
        # Absolute path to ChangeLog files.
        "changelogs": lambda self, state: self._tool.checkout().modified_changelogs(self._options.git_commit, changed_files=self._changed_files(state)),
    }

    def cached_lookup(self, state, key, promise=None):
        if state.get(key):
            return state[key]
        if not promise:
            promise = self._well_known_keys.get(key)
        state[key] = promise(self, state)
        return state[key]

    def did_modify_checkout(self, state):
        state["diff"] = None
        state["changelogs"] = None
        state["changed_files"] = None

    @classmethod
    def options(cls):
        return [
            # We need this option here because cached_lookup uses it.  :(
            Options.git_commit,
        ]

    def run(self, state):
        raise NotImplementedError, "subclasses must implement"