# Path: scripts/pkgs/constants.py
# def uniq(vals):
#     def cpu_count():
# def build_dir():
# def set_build_dir(x):
# def current_source():
# def set_current_source(x):
# def set_tdir(x):
# def mkdtemp(prefix=''):
# def putenv(**kw):
# ROOT = 'C:\\' if iswindows else '/'
# SW = ROOT + 'sw'
# SOURCES = ROOT + 'sources'
# PATCHES = ROOT + 'patches'
# SCRIPTS = ROOT + 'scripts'
# CALIBRE_DIR = ROOT + 'calibre'
# PREFIX = os.path.join(SW, 'sw')
# BIN = os.path.join(PREFIX, 'bin')
# PYTHON = os.path.join(PREFIX, 'private', 'python', 'python.exe') if iswindows else os.path.join(BIN, 'python')
#     CFLAGS = CPPFLAGS = LIBDIR = LDFLAGS = ''
#     CFLAGS = worker_env['CFLAGS'] = '-I' + os.path.join(PREFIX, 'include')
#     CPPFLAGS = worker_env['CPPFLAGS'] = '-I' + os.path.join(PREFIX, 'include')
#     LIBDIR = os.path.join(PREFIX, 'lib')
#     LDFLAGS = worker_env['LDFLAGS'] = '-L{0} -Wl,-rpath-link,{0}'.format(LIBDIR)
#     LDFLAGS = worker_env['LDFLAGS'] = '-headerpad_max_install_names -L{}'.format(LIBDIR)
# MAKEOPTS = '-j%d' % cpu_count()
# PKG_CONFIG_PATH = worker_env['PKG_CONFIG_PATH'] = os.path.join(PREFIX, 'lib', 'pkgconfig')
# CMAKE = os.path.join(PREFIX, 'bin', 'cmake') if isosx else 'cmake'
# QT_PREFIX = os.path.join(PREFIX, 'qt')
# QT_DLLS = ['Qt5' + x for x in (
#     'Core', 'Gui', 'Network', 'PrintSupport', 'Positioning', 'Sensors', 'Sql',
#     'Svg', 'WebKit', 'WebKitWidgets', 'Widgets', 'Multimedia', 'OpenGL',
#     'MultimediaWidgets', 'Xml',  # 'XmlPatterns',
# )]
# QT_PLUGINS = [
#     'imageformats', 'iconengines', 'mediaservice', 'platforms',
#     'playlistformats', 'sqldrivers',
#     # 'audio', 'printsupport', 'bearer', 'position',
# ]
# PYQT_MODULES = ('Qt', 'QtCore', 'QtGui', 'QtNetwork',  # 'QtMultimedia', 'QtMultimediaWidgets',
#                 'QtPrintSupport', 'QtSensors', 'QtSvg', 'QtWebKit', 'QtWebKitWidgets', 'QtWidgets')
# CODESIGN_KEYCHAIN = '/Users/kovid/codesign.keychain'
#     class SYSTEM_INFO(ctypes.Structure):


from contextlib import contextmanager
from .constants import (
    build_dir, current_source, mkdtemp, PATCHES, PYTHON, MAKEOPTS, LIBDIR, SW,
    worker_env, islinux, PREFIX, iswindows, isosx
)
        from .constants import cygwin_paths
    from ctypes import wintypes
import time
import os
import shlex
import pipes
import subprocess
import sys
import errno
import glob
import shutil
import zipfile
import stat
    import ctypes
    import msvcrt
def run(*args, **kw):
    if len(args) == 1 and isinstance(args[0], type('')):
        cmd = split(args[0])
    else:
        cmd = args
    print(' '.join(pipes.quote(x) for x in cmd))
    sys.stdout.flush()
    env = current_env(library_path=kw.get('library_path'))
    try:
        p = subprocess.Popen(cmd, env=env, cwd=kw.get('cwd'))
    except EnvironmentError as err:
        if err.errno == errno.ENOENT:
            raise SystemExit('Could not find the program: %s' % cmd[0])
        raise
    rc = p.wait()
    if kw.get('no_check'):
        return rc
    if rc != 0:
        print('The following command failed, with return code:', rc)
        print(' '.join(pipes.quote(x) for x in cmd))
        print('Dropping you into a shell')
        sys.stdout.flush()
        run_shell(library_path=kw.get('library_path'))
        raise SystemExit(1)


def extract(source):
    if source.lower().endswith('.zip'):
        with zipfile.ZipFile(source) as zf:
            zf.extractall()

# Path: scripts/pkgs/constants.py
# def uniq(vals):
#     def cpu_count():
# def build_dir():
# def set_build_dir(x):
# def current_source():
# def set_current_source(x):
# def set_tdir(x):
# def mkdtemp(prefix=''):
# def putenv(**kw):
# ROOT = 'C:\\' if iswindows else '/'
# SW = ROOT + 'sw'
# SOURCES = ROOT + 'sources'
# PATCHES = ROOT + 'patches'
# SCRIPTS = ROOT + 'scripts'
# CALIBRE_DIR = ROOT + 'calibre'
# PREFIX = os.path.join(SW, 'sw')
# BIN = os.path.join(PREFIX, 'bin')
# PYTHON = os.path.join(PREFIX, 'private', 'python', 'python.exe') if iswindows else os.path.join(BIN, 'python')
#     CFLAGS = CPPFLAGS = LIBDIR = LDFLAGS = ''
#     CFLAGS = worker_env['CFLAGS'] = '-I' + os.path.join(PREFIX, 'include')
#     CPPFLAGS = worker_env['CPPFLAGS'] = '-I' + os.path.join(PREFIX, 'include')
#     LIBDIR = os.path.join(PREFIX, 'lib')
#     LDFLAGS = worker_env['LDFLAGS'] = '-L{0} -Wl,-rpath-link,{0}'.format(LIBDIR)
#     LDFLAGS = worker_env['LDFLAGS'] = '-headerpad_max_install_names -L{}'.format(LIBDIR)
# MAKEOPTS = '-j%d' % cpu_count()
# PKG_CONFIG_PATH = worker_env['PKG_CONFIG_PATH'] = os.path.join(PREFIX, 'lib', 'pkgconfig')
# CMAKE = os.path.join(PREFIX, 'bin', 'cmake') if isosx else 'cmake'
# QT_PREFIX = os.path.join(PREFIX, 'qt')
# QT_DLLS = ['Qt5' + x for x in (
#     'Core', 'Gui', 'Network', 'PrintSupport', 'Positioning', 'Sensors', 'Sql',
#     'Svg', 'WebKit', 'WebKitWidgets', 'Widgets', 'Multimedia', 'OpenGL',
#     'MultimediaWidgets', 'Xml',  # 'XmlPatterns',
# )]
# QT_PLUGINS = [
#     'imageformats', 'iconengines', 'mediaservice', 'platforms',
#     'playlistformats', 'sqldrivers',
#     # 'audio', 'printsupport', 'bearer', 'position',
# ]
# PYQT_MODULES = ('Qt', 'QtCore', 'QtGui', 'QtNetwork',  # 'QtMultimedia', 'QtMultimediaWidgets',
#                 'QtPrintSupport', 'QtSensors', 'QtSvg', 'QtWebKit', 'QtWebKitWidgets', 'QtWidgets')
# CODESIGN_KEYCHAIN = '/Users/kovid/codesign.keychain'
#     class SYSTEM_INFO(ctypes.Structure):


# Path: scripts/pkgs/utils.py
from contextlib import contextmanager
from .constants import (
    build_dir, current_source, mkdtemp, PATCHES, PYTHON, MAKEOPTS, LIBDIR, SW,
    worker_env, islinux, PREFIX, iswindows, isosx
)
        from .constants import cygwin_paths
    from ctypes import wintypes
import time
import os
import shlex
import pipes
import subprocess
import sys
import errno
import glob
import shutil
import zipfile
import stat
    import ctypes
    import msvcrt

def run(*args, **kw):
    if len(args) == 1 and isinstance(args[0], type('')):
        cmd = split(args[0])
    else:
        cmd = args
    print(' '.join(pipes.quote(x) for x in cmd))
    sys.stdout.flush()
    env = current_env(library_path=kw.get('library_path'))
    try:
        p = subprocess.Popen(cmd, env=env, cwd=kw.get('cwd'))
    except EnvironmentError as err:
        if err.errno == errno.ENOENT:
            raise SystemExit('Could not find the program: %s' % cmd[0])
        raise
    rc = p.wait()
    if kw.get('no_check'):
        return rc
    if rc != 0:
        print('The following command failed, with return code:', rc)
        print(' '.join(pipes.quote(x) for x in cmd))
        print('Dropping you into a shell')
        sys.stdout.flush()
        run_shell(library_path=kw.get('library_path'))
        raise SystemExit(1)


def extract(source):
    if source.lower().endswith('.zip'):
        with zipfile.ZipFile(source) as zf:
            zf.extractall()

    else: