summaryrefslogtreecommitdiff
path: root/scripts/common.py
blob: ec0cc707dba068fe73e1d2b047f3cdc423d98589 (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
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
import os
import sys
import shlex
import shutil
import argparse
import platform
import subprocess
import uuid


ROOTDIR = os.path.abspath(os.path.dirname(__file__))


if os.name == 'nt':
    import ctypes
    from ctypes import wintypes
    _GetShortPathNameW = ctypes.windll.kernel32.GetShortPathNameW
    _GetShortPathNameW.argtypes = [wintypes.LPCWSTR, wintypes.LPWSTR, wintypes.DWORD]
    _GetShortPathNameW.restype = wintypes.DWORD

def win32_get_short_path_name(long_name):
    """
    Gets the short path name of a given long path.
    http://stackoverflow.com/a/23598461/200291
    """
    output_buf_size = 0
    while True:
        output_buf = ctypes.create_unicode_buffer(output_buf_size)
        needed = _GetShortPathNameW(long_name, output_buf, output_buf_size)
        if output_buf_size >= needed:
            return output_buf.value
        else:
            output_buf_size = needed


def get_wine_shortpath(winecmd, wine_paths):
    seen = set()
    wine_paths += [p for p in wine_paths if not (p in seen or seen.add(p))]

    getShortPathScript = '%s.bat' % str(uuid.uuid4()).lower()[:5]
    with open(getShortPathScript, mode='w') as f:
        f.write("@ECHO OFF\nfor %%x in (%*) do (\n echo|set /p=;%~sx\n)\n")
        f.flush()
    try:
        with open(os.devnull, 'w') as stderr:
            wine_path = subprocess.check_output(
                winecmd +
                ['cmd', '/C', getShortPathScript] + wine_paths,
                stderr=stderr).decode('utf-8')
    except subprocess.CalledProcessError as e:
        print("Could not get short paths: %s" % e)
        wine_path = ';'.join(wine_paths)
    finally:
        os.remove(getShortPathScript)
    if len(wine_path) > 2048:
        raise AssertionError('WINEPATH size {} > 2048'
                                ' this will cause random failure.'.format(
                                    len(wine_path)))
    return wine_path


class Colors:
    HEADER = '\033[95m'
    OKBLUE = '\033[94m'
    OKGREEN = '\033[92m'
    WARNING = '\033[93m'
    FAIL = '\033[91m'
    ENDC = '\033[0m'

    force_disable = False

    def _windows_ansi():
        from ctypes import windll, byref
        from ctypes.wintypes import DWORD

        kernel = windll.kernel32
        stdout = kernel.GetStdHandle(-11)
        mode = DWORD()
        if not kernel.GetConsoleMode(stdout, byref(mode)):
            return False
        # Try setting ENABLE_VIRTUAL_TERMINAL_PROCESSING (0x4)
        # If that fails (returns 0), we disable colors
        return kernel.SetConsoleMode(stdout, mode.value | 0x4) or os.environ.get('ANSICON')

    @classmethod
    def can_enable(cls):
        if not os.isatty(sys.stdout.fileno()):
            return False
        if platform.system().lower() == 'windows':
            return cls._windows_ansi()
        return os.environ.get('TERM') != 'dumb'

    @classmethod
    def disable(cls):
        cls.HEADER = ''
        cls.OKBLUE = ''
        cls.OKGREEN = ''
        cls.WARNING = ''
        cls.FAIL = ''
        cls.ENDC = ''

    @classmethod
    def enable(cls):
        if cls.force_disable:
            return

        cls.HEADER = '\033[95m'
        cls.OKBLUE = '\033[94m'
        cls.OKGREEN = '\033[92m'
        cls.WARNING = '\033[93m'
        cls.FAIL = '\033[91m'
        cls.ENDC = '\033[0m'



def git(*args, repository_path='.', fatal=True):
    try:
        ret = subprocess.check_output(["git"] + list(args), cwd=repository_path,
                                      stdin=subprocess.DEVNULL,
                                      stderr=subprocess.STDOUT).decode()
    except subprocess.CalledProcessError as e:
        if fatal:
            raise e
        print("Non-fatal error running git {}:\n{}".format(' '.join(args), e))
        return None
    return ret

def accept_command(commands):
    """Search @commands and returns the first found absolute path."""
    for command in commands:
        command = shutil.which(command)
        if command:
            return command
    return None

def get_meson():
    meson = os.path.join(ROOTDIR, 'meson', 'meson.py')
    if os.path.exists(meson):
        return [sys.executable, meson]

    mesonintrospect = os.environ.get('MESONINTROSPECT', '')
    for comp in shlex.split (mesonintrospect):
        # mesonintrospect might look like "/usr/bin/python /somewhere/meson introspect",
        # let's not get tricked
        if 'python' in os.path.basename (comp):
            continue
        if os.path.exists(comp):
            if comp.endswith('.py'):
                return [sys.executable, comp]
            else:
                return [comp]

    meson = accept_command(['meson.py'])
    if meson:
        return [sys.executable, meson]
    meson = accept_command(['meson'])
    if meson:
        return [meson]
    raise RuntimeError('Could not find Meson')