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toolchain.py
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executable file
·3151 lines (2676 loc) · 117 KB
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#!/usr/bin/env python
"""
Tool for compiling Android toolchain
====================================
This tool intend to replace all the previous tools/ in shell script.
"""
from __future__ import print_function
import sys
from sys import stdout, stderr, platform
from os.path import (join, dirname, realpath, exists, isdir, basename,
expanduser, splitext, split)
from os import listdir, unlink, makedirs, environ, chdir, getcwd, uname
import os
import zipfile
import tarfile
import importlib
import io
import json
import glob
import shutil
import re
import imp
import contextlib
import logging
import shlex
from copy import deepcopy
from functools import wraps
from datetime import datetime
from distutils.spawn import find_executable
from tempfile import mkdtemp
from math import log10
try:
from urllib.request import FancyURLopener
except ImportError:
from urllib import FancyURLopener
try:
from urlparse import urlparse
except ImportError:
from urllib.parse import urlparse
import argparse
from appdirs import user_data_dir
import sh
from colorama import Style as Colo_Style, Fore as Colo_Fore
from collections import defaultdict
class colorama_shim(object):
def __init__(self):
self._dict = defaultdict(str)
def __getattr__(self, key):
return self._dict[key]
Null_Style = Null_Fore = colorama_shim()
if stdout.isatty():
Out_Style = Colo_Style
Out_Fore = Colo_Fore
else:
Out_Style = Null_Style
Out_Fore = Null_Fore
if stderr.isatty():
Err_Style = Colo_Style
Err_Fore = Colo_Fore
else:
Err_Style = Null_Style
Err_Fore = Null_Fore
Fore = Colo_Fore
Style = Colo_Style
user_dir = dirname(realpath(os.path.curdir))
toolchain_dir = dirname(__file__)
sys.path.insert(0, join(toolchain_dir, "tools", "external"))
DEFAULT_ANDROID_API = 15
class LevelDifferentiatingFormatter(logging.Formatter):
def format(self, record):
if record.levelno > 30:
record.msg = '{}{}[ERROR]{}{}: '.format(
Err_Style.BRIGHT, Err_Fore.RED, Err_Fore.RESET,
Err_Style.RESET_ALL) + record.msg
elif record.levelno > 20:
record.msg = '{}{}[WARNING]{}{}: '.format(
Err_Style.BRIGHT, Err_Fore.RED, Err_Fore.RESET,
Err_Style.RESET_ALL) + record.msg
elif record.levelno > 10:
record.msg = '{}[INFO]{}: '.format(
Err_Style.BRIGHT, Err_Style.RESET_ALL) + record.msg
else:
record.msg = '{}{}[DEBUG]{}{}: '.format(
Err_Style.BRIGHT, Err_Fore.LIGHTBLACK_EX, Err_Fore.RESET,
Err_Style.RESET_ALL) + record.msg
return super(LevelDifferentiatingFormatter, self).format(record)
logger = logging.getLogger('p4a')
if not hasattr(logger, 'touched'): # Necessary as importlib reloads
# this, which would add a second
# handler and reset the level
logger.setLevel(logging.INFO)
logger.touched = True
ch = logging.StreamHandler(stderr)
formatter = LevelDifferentiatingFormatter('%(message)s')
ch.setFormatter(formatter)
logger.addHandler(ch)
info = logger.info
debug = logger.debug
warning = logger.warning
error = logger.error
IS_PY3 = sys.version_info[0] >= 3
info(''.join(
[Err_Style.BRIGHT, Err_Fore.RED,
'This python-for-android revamp is an experimental alpha release!',
Err_Style.RESET_ALL]))
info(''.join(
[Err_Fore.RED,
('It should work (mostly), but you may experience '
'missing features or bugs.'),
Err_Style.RESET_ALL]))
def info_main(*args):
logger.info(''.join([Err_Style.BRIGHT, Err_Fore.GREEN] + list(args) +
[Err_Style.RESET_ALL, Err_Fore.RESET]))
def info_notify(s):
info('{}{}{}{}'.format(Err_Style.BRIGHT, Err_Fore.LIGHTBLUE_EX, s,
Err_Style.RESET_ALL))
def pretty_log_dists(dists, log_func=info):
infos = []
for dist in dists:
infos.append('{Fore.GREEN}{Style.BRIGHT}{name}{Style.RESET_ALL}: '
'includes recipes ({Fore.GREEN}{recipes}'
'{Style.RESET_ALL}), built for archs ({Fore.BLUE}'
'{archs}{Style.RESET_ALL})'.format(
name=dist.name, recipes=', '.join(dist.recipes),
archs=', '.join(dist.archs) if dist.archs else 'UNKNOWN',
Fore=Err_Fore, Style=Err_Style))
for line in infos:
log_func('\t' + line)
def shorten_string(string, max_width):
''' make limited length string in form:
"the string is very lo...(and 15 more)"
'''
string_len = len(string)
if string_len <= max_width:
return string
visible = max_width - 16 - int(log10(string_len))
# expected suffix len "...(and XXXXX more)"
return ''.join((string[:visible], '...(and ', str(string_len - visible),
' more)'))
def shprint(command, *args, **kwargs):
'''Runs the command (which should be an sh.Command instance), while
logging the output.'''
kwargs["_iter"] = True
kwargs["_out_bufsize"] = 1
kwargs["_err_to_out"] = True
kwargs["_bg"] = True
is_critical = kwargs.pop('_critical', False)
tail_n = kwargs.pop('_tail', 0)
filter_in = kwargs.pop('_filter', None)
filter_out = kwargs.pop('_filterout', None)
if len(logger.handlers) > 1:
logger.removeHandler(logger.handlers[1])
try:
columns = max(25, int(os.popen('stty size', 'r').read().split()[1]))
except:
columns = 100
command_path = str(command).split('/')
command_string = command_path[-1]
string = ' '.join(['running', command_string] + list(args))
# If logging is not in DEBUG mode, trim the command if necessary
if logger.level > logging.DEBUG:
logger.info('{}{}'.format(shorten_string(string, columns - 12),
Err_Style.RESET_ALL))
else:
logger.debug('{}{}'.format(string, Err_Style.RESET_ALL))
need_closing_newline = False
try:
msg_hdr = ' working: '
msg_width = columns - len(msg_hdr) - 1
output = command(*args, **kwargs)
for line in output:
if logger.level > logging.DEBUG:
msg = line.replace(
'\n', ' ').replace(
'\t', ' ').replace(
'\b', ' ').rstrip()
if msg:
sys.stdout.write(u'{}\r{}{:<{width}}'.format(
Err_Style.RESET_ALL, msg_hdr,
shorten_string(msg, msg_width), width=msg_width))
sys.stdout.flush()
need_closing_newline = True
else:
logger.debug(''.join(['\t', line.rstrip()]))
if need_closing_newline:
sys.stdout.write('{}\r{:>{width}}\r'.format(
Err_Style.RESET_ALL, ' ', width=(columns - 1)))
sys.stdout.flush()
except sh.ErrorReturnCode as err:
if need_closing_newline:
sys.stdout.write('{}\r{:>{width}}\r'.format(
Err_Style.RESET_ALL, ' ', width=(columns - 1)))
sys.stdout.flush()
if tail_n or filter_in or filter_out:
def printtail(out, name, forecolor, tail_n=0,
re_filter_in=None, re_filter_out=None):
lines = out.splitlines()
if re_filter_in is not None:
lines = [l for l in lines if re_filter_in.search(l)]
if re_filter_out is not None:
lines = [l for l in lines if not re_filter_out.search(l)]
if tail_n == 0 or len(lines) <= tail_n:
info('{}:\n{}\t{}{}'.format(
name, forecolor, '\t\n'.join(lines), Out_Fore.RESET))
else:
info('{} (last {} lines of {}):\n{}\t{}{}'.format(
name, tail_n, len(lines),
forecolor, '\t\n'.join(lines[-tail_n:]), Out_Fore.RESET))
printtail(err.stdout, 'STDOUT', Out_Fore.YELLOW, tail_n,
re.compile(filter_in) if filter_in else None,
re.compile(filter_out) if filter_out else None)
printtail(err.stderr, 'STDERR', Err_Fore.RED)
if is_critical:
env = kwargs.get("env")
if env is not None:
info("{}ENV:{}\n{}\n".format(
Err_Fore.YELLOW, Err_Fore.RESET, "\n".join(
"set {}={}".format(n, v) for n, v in env.items())))
info("{}COMMAND:{}\ncd {} && {} {}\n".format(
Err_Fore.YELLOW, Err_Fore.RESET, getcwd(), command, ' '.join(args)))
warning("{}ERROR: {} failed!{}".format(
Err_Fore.RED, command, Err_Fore.RESET))
exit(1)
else:
raise
return output
# shprint(sh.ls, '-lah')
# exit(1)
def add_boolean_option(parser, names, no_names=None,
default=True, dest=None, description=None):
group = parser.add_argument_group(description=description)
if not isinstance(names, (list, tuple)):
names = [names]
if dest is None:
dest = names[0].strip("-").replace("-", "_")
def add_dashes(x):
return x if x.startswith("-") else "--"+x
opts = [add_dashes(x) for x in names]
group.add_argument(
*opts, help=("(this is the default)" if default else None),
dest=dest, action='store_true')
if no_names is None:
def add_no(x):
x = x.lstrip("-")
return ("no_"+x) if "_" in x else ("no-"+x)
no_names = [add_no(x) for x in names]
opts = [add_dashes(x) for x in no_names]
group.add_argument(
*opts, help=(None if default else "(this is the default)"),
dest=dest, action='store_false')
parser.set_defaults(**{dest: default})
def require_prebuilt_dist(func):
'''Decorator for ToolchainCL methods. If present, the method will
automatically make sure a dist has been built before continuing
or, if no dists are present or can be obtained, will raise an
error.
'''
@wraps(func)
def wrapper_func(self, args):
ctx = self.ctx
ctx.set_archs(self._archs)
ctx.prepare_build_environment(user_sdk_dir=self.sdk_dir,
user_ndk_dir=self.ndk_dir,
user_android_api=self.android_api,
user_ndk_ver=self.ndk_version)
dist = self._dist
if dist.needs_build:
info_notify('No dist exists that meets your requirements, '
'so one will be built.')
args = build_dist_from_args(ctx, dist, args)
func(self, args)
return wrapper_func
def get_directory(filename):
'''If the filename ends with a recognised file extension, return the
filename without this extension.'''
if filename.endswith('.tar.gz'):
return basename(filename[:-7])
elif filename.endswith('.tgz'):
return basename(filename[:-4])
elif filename.endswith('.tar.bz2'):
return basename(filename[:-8])
elif filename.endswith('.tbz2'):
return basename(filename[:-5])
elif filename.endswith('.zip'):
return basename(filename[:-4])
info('Unknown file extension for {}'.format(filename))
exit(1)
def which(program, path_env):
'''Locate an executable in the system.'''
import os
def is_exe(fpath):
return os.path.isfile(fpath) and os.access(fpath, os.X_OK)
fpath, fname = os.path.split(program)
if fpath:
if is_exe(program):
return program
else:
for path in path_env.split(os.pathsep):
path = path.strip('"')
exe_file = os.path.join(path, program)
if is_exe(exe_file):
return exe_file
return None
@contextlib.contextmanager
def current_directory(new_dir):
cur_dir = getcwd()
logger.info(''.join((Err_Fore.CYAN, '-> directory context ', new_dir,
Err_Fore.RESET)))
chdir(new_dir)
yield
logger.info(''.join((Err_Fore.CYAN, '<- directory context ', cur_dir,
Err_Fore.RESET)))
chdir(cur_dir)
@contextlib.contextmanager
def temp_directory():
temp_dir = mkdtemp()
try:
logger.debug(''.join((Err_Fore.CYAN, ' + temp directory used ',
temp_dir, Err_Fore.RESET)))
yield temp_dir
finally:
shutil.rmtree(temp_dir)
logger.debug(''.join((Err_Fore.CYAN, ' - temp directory deleted ',
temp_dir, Err_Fore.RESET)))
def cache_execution(f):
def _cache_execution(self, *args, **kwargs):
state = self.ctx.state
key = "{}.{}".format(self.name, f.__name__)
force = kwargs.pop("force", False)
if args:
for arg in args:
key += ".{}".format(arg)
key_time = "{}.at".format(key)
if key in state and not force:
print("# (ignored) {} {}".format(
f.__name__.capitalize(), self.name))
return
print("{} {}".format(f.__name__.capitalize(), self.name))
f(self, *args, **kwargs)
state[key] = True
state[key_time] = str(datetime.utcnow())
return _cache_execution
class ChromeDownloader(FancyURLopener):
version = (
'Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 '
'(KHTML, like Gecko) Chrome/28.0.1500.71 Safari/537.36')
urlretrieve = ChromeDownloader().retrieve
class JsonStore(object):
"""Replacement of shelve using json, needed for support python 2 and 3.
"""
def __init__(self, filename):
super(JsonStore, self).__init__()
self.filename = filename
self.data = {}
if exists(filename):
try:
with io.open(filename, encoding='utf-8') as fd:
self.data = json.load(fd)
except ValueError:
print("Unable to read the state.db, content will be replaced.")
def __getitem__(self, key):
return self.data[key]
def __setitem__(self, key, value):
self.data[key] = value
self.sync()
def __delitem__(self, key):
del self.data[key]
self.sync()
def __contains__(self, item):
return item in self.data
def get(self, item, default=None):
return self.data.get(item, default)
def keys(self):
return self.data.keys()
def remove_all(self, prefix):
for key in self.data.keys()[:]:
if not key.startswith(prefix):
continue
del self.data[key]
self.sync()
def sync(self):
# http://stackoverflow.com/questions/12309269/write-json-data-to-file-in-python/14870531#14870531
if IS_PY3:
with open(self.filename, 'w') as fd:
json.dump(self.data, fd, ensure_ascii=False)
else:
with io.open(self.filename, 'w', encoding='utf-8') as fd:
fd.write(unicode(json.dumps(self.data, ensure_ascii=False)))
class Arch(object):
toolchain_prefix = None
'''The prefix for the toolchain dir in the NDK.'''
command_prefix = None
'''The prefix for NDK commands such as gcc.'''
def __init__(self, ctx):
super(Arch, self).__init__()
self.ctx = ctx
def __str__(self):
return self.arch
@property
def include_dirs(self):
return [
"{}/{}".format(
self.ctx.include_dir,
d.format(arch=self))
for d in self.ctx.include_dirs]
def get_env(self):
include_dirs = [
"-I{}/{}".format(
self.ctx.include_dir,
d.format(arch=self))
for d in self.ctx.include_dirs]
env = {}
env["CFLAGS"] = " ".join([
"-DANDROID", "-mandroid", "-fomit-frame-pointer",
"--sysroot", self.ctx.ndk_platform])
env["CXXFLAGS"] = env["CFLAGS"]
env["LDFLAGS"] = " ".join(['-lm'])
py_platform = sys.platform
if py_platform in ['linux2', 'linux3']:
py_platform = 'linux'
toolchain_prefix = self.ctx.toolchain_prefix
toolchain_version = self.ctx.toolchain_version
env['TOOLCHAIN_PREFIX'] = toolchain_prefix
env['TOOLCHAIN_VERSION'] = toolchain_version
if toolchain_prefix == 'x86':
toolchain_prefix = 'i686-linux-android'
print('path is', environ['PATH'])
cc = find_executable('{toolchain_prefix}-gcc'.format(
toolchain_prefix=toolchain_prefix), path=environ['PATH'])
if cc is None:
warning('Couldn\'t find executable for CC. This indicates a '
'problem locating the {} executable in the Android '
'NDK, not that you don\'t have a normal compiler '
'installed. Exiting.')
exit(1)
env['CC'] = '{toolchain_prefix}-gcc {cflags}'.format(
toolchain_prefix=toolchain_prefix,
cflags=env['CFLAGS'])
env['CXX'] = '{toolchain_prefix}-g++ {cxxflags}'.format(
toolchain_prefix=toolchain_prefix,
cxxflags=env['CXXFLAGS'])
env['AR'] = '{}-ar'.format(toolchain_prefix)
env['RANLIB'] = '{}-ranlib'.format(toolchain_prefix)
env['LD'] = '{}-ld'.format(toolchain_prefix)
env['STRIP'] = '{}-strip --strip-unneeded'.format(toolchain_prefix)
env['MAKE'] = 'make -j5'
env['READELF'] = '{}-readelf'.format(toolchain_prefix)
hostpython_recipe = Recipe.get_recipe('hostpython2', self.ctx)
# AND: This hardcodes python version 2.7, needs fixing
env['BUILDLIB_PATH'] = join(
hostpython_recipe.get_build_dir(self.arch),
'build', 'lib.linux-{}-2.7'.format(uname()[-1]))
env['PATH'] = environ['PATH']
env['ARCH'] = self.arch
return env
class ArchARM(Arch):
arch = "armeabi"
toolchain_prefix = 'arm-linux-androideabi'
command_prefix = 'arm-linux-androideabi'
platform_dir = 'arch-arm'
class ArchARMv7_a(ArchARM):
arch = 'armeabi-v7a'
def get_env(self):
env = super(ArchARMv7_a, self).get_env()
env['CFLAGS'] = (env['CFLAGS'] +
' -march=armv7-a -mfloat-abi=softfp -mfpu=vfp -mthumb')
env['CXXFLAGS'] = env['CFLAGS']
return env
class Archx86(Arch):
arch = 'x86'
toolchain_prefix = 'x86'
command_prefix = 'i686-linux-android'
platform_dir = 'arch-x86'
def get_env(self):
env = super(Archx86, self).get_env()
env['CFLAGS'] = (env['CFLAGS'] +
' -march=i686 -mtune=intel -mssse3 -mfpmath=sse -m32')
env['CXXFLAGS'] = env['CFLAGS']
return env
class Archx86_64(Arch):
arch = 'x86_64'
toolchain_prefix = 'x86'
command_prefix = 'x86_64-linux-android'
platform_dir = 'arch-x86'
def get_env(self):
env = super(Archx86_64, self).get_env()
env['CFLAGS'] = (env['CFLAGS'] +
' -march=x86-64 -msse4.2 -mpopcnt -m64 -mtune=intel')
env['CXXFLAGS'] = env['CFLAGS']
return env
class Graph(object):
# Taken from the old python-for-android/depsort
# Modified to include alternative dependencies
def __init__(self):
# `graph`: dict that maps each package to a set of its dependencies.
self.graphs = [{}]
# self.graph = {}
def remove_redundant_graphs(self):
'''Removes possible graphs if they are equivalent to others.'''
graphs = self.graphs
initial_num_graphs = len(graphs)
# Walk the list backwards so that popping elements doesn't
# mess up indexing
for i in range(len(graphs) - 1):
graph = graphs[initial_num_graphs - 1 - i]
for j in range(1, len(graphs)):
comparison_graph = graphs[initial_num_graphs - 1 - j]
if set(comparison_graph.keys()) == set(graph.keys()):
graphs.pop(initial_num_graphs - 1 - i)
break
def add(self, dependent, dependency):
"""Add a dependency relationship to the graph"""
if isinstance(dependency, (tuple, list)):
for graph in self.graphs[:]:
for dep in dependency[1:]:
new_graph = deepcopy(graph)
self._add(new_graph, dependent, dep)
self.graphs.append(new_graph)
self._add(graph, dependent, dependency[0])
else:
for graph in self.graphs:
self._add(graph, dependent, dependency)
self.remove_redundant_graphs()
def _add(self, graph, dependent, dependency):
'''Add a dependency relationship to a specific graph, where dependency
must be a single dependency, not a list or tuple.
'''
graph.setdefault(dependent, set())
graph.setdefault(dependency, set())
if dependent != dependency:
graph[dependent].add(dependency)
def conflicts(self, conflict):
graphs = self.graphs
for i in range(len(graphs)):
graph = graphs[len(graphs) - 1 - i]
if conflict in graph:
graphs.pop(len(graphs) - 1 - i)
return len(graphs) == 0
def remove_remaining_conflicts(self, ctx):
# It's unpleasant to have to pass ctx as an argument...
'''Checks all possible graphs for conflicts that have arisen during
the additon of alternative repice branches, as these are not checked
for conflicts at the time.'''
new_graphs = []
for i, graph in enumerate(self.graphs):
for name in graph.keys():
recipe = Recipe.get_recipe(name, ctx)
if any([c in graph for c in recipe.conflicts]):
break
else:
new_graphs.append(graph)
self.graphs = new_graphs
def add_optional(self, dependent, dependency):
"""Add an optional (ordering only) dependency relationship to the graph
Only call this after all mandatory requirements are added
"""
for graph in self.graphs:
if dependent in graph and dependency in graph:
self._add(graph, dependent, dependency)
def find_order(self, index=0):
"""Do a topological sort on a dependency graph
:Parameters:
:Returns:
iterator, sorted items form first to last
"""
graph = self.graphs[index]
graph = dict((k, set(v)) for k, v in graph.items())
while graph:
# Find all items without a parent
leftmost = [l for l, s in graph.items() if not s]
if not leftmost:
raise ValueError('Dependency cycle detected! %s' % graph)
# If there is more than one, sort them for predictable order
leftmost.sort()
for result in leftmost:
# Yield and remove them from the graph
yield result
graph.pop(result)
for bset in graph.values():
bset.discard(result)
class Context(object):
'''A build context. If anything will be built, an instance this class
will be instantiated and used to hold all the build state.'''
env = environ.copy()
root_dir = None # the filepath of toolchain.py
storage_dir = None # the root dir where builds and dists will be stored
build_dir = None # in which bootstraps are copied for building and recipes are built
dist_dir = None # the Android project folder where everything ends up
libs_dir = None # where Android libs are cached after build but
# before being placed in dists
aars_dir = None
javaclass_dir = None
ccache = None # whether to use ccache
cython = None # the cython interpreter name
ndk_platform = None # the ndk platform directory
dist_name = None # should be deprecated in favour of self.dist.dist_name
bootstrap = None
bootstrap_build_dir = None
recipe_build_order = None # Will hold the list of all built recipes
@property
def packages_path(self):
'''Where packages are downloaded before being unpacked'''
return join(self.storage_dir, 'packages')
@property
def templates_dir(self):
return join(self.root_dir, 'templates')
@property
def libs_dir(self):
# Was previously hardcoded as self.build_dir/libs
dir = join(self.build_dir, 'libs_collections',
self.bootstrap.distribution.name)
ensure_dir(dir)
return dir
@property
def javaclass_dir(self):
# Was previously hardcoded as self.build_dir/java
dir = join(self.build_dir, 'javaclasses',
self.bootstrap.distribution.name)
ensure_dir(dir)
return dir
@property
def aars_dir(self):
dir = join(self.build_dir, 'aars', self.bootstrap.distribution.name)
ensure_dir(dir)
return dir
@property
def python_installs_dir(self):
dir = join(self.build_dir, 'python-installs')
ensure_dir(dir)
return dir
def get_python_install_dir(self):
dir = join(self.python_installs_dir, self.bootstrap.distribution.name)
return dir
def setup_dirs(self):
'''Calculates all the storage and build dirs, and makes sure
the directories exist where necessary.'''
self.root_dir = realpath(dirname(__file__))
# AND: TODO: Allow the user to set the build_dir
self.storage_dir = user_data_dir('python-for-android')
self.build_dir = join(self.storage_dir, 'build')
self.dist_dir = join(self.storage_dir, 'dists')
ensure_dir(self.storage_dir)
ensure_dir(self.build_dir)
ensure_dir(self.dist_dir)
@property
def android_api(self):
'''The Android API being targeted.'''
if self._android_api is None:
raise ValueError('Tried to access android_api but it has not '
'been set - this should not happen, something '
'went wrong!')
return self._android_api
@android_api.setter
def android_api(self, value):
self._android_api = value
@property
def ndk_ver(self):
'''The version of the NDK being used for compilation.'''
if self._ndk_ver is None:
raise ValueError('Tried to access android_api but it has not '
'been set - this should not happen, something '
'went wrong!')
return self._ndk_ver
@ndk_ver.setter
def ndk_ver(self, value):
self._ndk_ver = value
@property
def sdk_dir(self):
'''The path to the Android SDK.'''
if self._sdk_dir is None:
raise ValueError('Tried to access android_api but it has not '
'been set - this should not happen, something '
'went wrong!')
return self._sdk_dir
@sdk_dir.setter
def sdk_dir(self, value):
self._sdk_dir = value
@property
def ndk_dir(self):
'''The path to the Android NDK.'''
if self._ndk_dir is None:
raise ValueError('Tried to access android_api but it has not '
'been set - this should not happen, something '
'went wrong!')
return self._ndk_dir
@ndk_dir.setter
def ndk_dir(self, value):
self._ndk_dir = value
def prepare_build_environment(self, user_sdk_dir, user_ndk_dir,
user_android_api, user_ndk_ver):
'''Checks that build dependencies exist and sets internal variables
for the Android SDK etc.
..warning:: This *must* be called before trying any build stuff
'''
if self._build_env_prepared:
return
# AND: This needs revamping to carefully check each dependency
# in turn
ok = True
# Work out where the Android SDK is
sdk_dir = None
if user_sdk_dir:
sdk_dir = user_sdk_dir
if sdk_dir is None: # This is the old P4A-specific var
sdk_dir = environ.get('ANDROIDSDK', None)
if sdk_dir is None: # This seems used more conventionally
sdk_dir = environ.get('ANDROID_HOME', None)
if sdk_dir is None: # Checks in the buildozer SDK dir, useful
# # for debug tests of p4a
possible_dirs = glob.glob(expanduser(join(
'~', '.buildozer', 'android', 'platform', 'android-sdk-*')))
if possible_dirs:
info('Found possible SDK dirs in buildozer dir: {}'.format(
', '.join([d.split(os.sep)[-1] for d in possible_dirs])))
info('Will attempt to use SDK at {}'.format(possible_dirs[0]))
warning('This SDK lookup is intended for debug only, if you '
'use python-for-android much you should probably '
'maintain your own SDK download.')
sdk_dir = possible_dirs[0]
if sdk_dir is None:
warning('Android SDK dir was not specified, exiting.')
exit(1)
self.sdk_dir = realpath(sdk_dir)
# Check what Android API we're using
android_api = None
if user_android_api:
android_api = user_android_api
if android_api is not None:
info('Getting Android API version from user argument')
if android_api is None:
android_api = environ.get('ANDROIDAPI', None)
if android_api is not None:
info('Found Android API target in $ANDROIDAPI')
if android_api is None:
info('Android API target was not set manually, using '
'the default of {}'.format(DEFAULT_ANDROID_API))
android_api = DEFAULT_ANDROID_API
android_api = int(android_api)
self.android_api = android_api
android = sh.Command(join(sdk_dir, 'tools', 'android'))
targets = android('list').stdout.split('\n')
apis = [s for s in targets if re.match(r'^ *API level: ', s)]
apis = [re.findall(r'[0-9]+', s) for s in apis]
apis = [int(s[0]) for s in apis if s]
info('Available Android APIs are ({})'.format(
', '.join(map(str, apis))))
if android_api in apis:
info(('Requested API target {} is available, '
'continuing.').format(android_api))
else:
warning(('Requested API target {} is not available, install '
'it with the SDK android tool.').format(android_api))
warning('Exiting.')
exit(1)
# Find the Android NDK
# Could also use ANDROID_NDK, but doesn't look like many tools use this
ndk_dir = None
if user_ndk_dir:
ndk_dir = user_ndk_dir
if ndk_dir is not None:
info('Getting NDK dir from from user argument')
if ndk_dir is None: # The old P4A-specific dir
ndk_dir = environ.get('ANDROIDNDK', None)
if ndk_dir is not None:
info('Found NDK dir in $ANDROIDNDK')
if ndk_dir is None: # Apparently the most common convention
ndk_dir = environ.get('NDK_HOME', None)
if ndk_dir is not None:
info('Found NDK dir in $NDK_HOME')
if ndk_dir is None: # Another convention (with maven?)
ndk_dir = environ.get('ANDROID_NDK_HOME', None)
if ndk_dir is not None:
info('Found NDK dir in $ANDROID_NDK_HOME')
if ndk_dir is None: # Checks in the buildozer NDK dir, useful
# # for debug tests of p4a
possible_dirs = glob.glob(expanduser(join(
'~', '.buildozer', 'android', 'platform', 'android-ndk-r*')))
if possible_dirs:
info('Found possible NDK dirs in buildozer dir: {}'.format(
', '.join([d.split(os.sep)[-1] for d in possible_dirs])))
info('Will attempt to use NDK at {}'.format(possible_dirs[0]))
warning('This NDK lookup is intended for debug only, if you '
'use python-for-android much you should probably '
'maintain your own NDK download.')
ndk_dir = possible_dirs[0]
if ndk_dir is None:
warning('Android NDK dir was not specified, exiting.')
exit(1)
self.ndk_dir = realpath(ndk_dir)
# Find the NDK version, and check it against what the NDK dir
# seems to report
ndk_ver = None
if user_ndk_ver:
ndk_ver = user_ndk_ver
if ndk_dir is not None:
info('Got NDK version from from user argument')
if ndk_ver is None:
ndk_ver = environ.get('ANDROIDNDKVER', None)
if ndk_dir is not None:
info('Got NDK version from $ANDROIDNDKVER')
try:
with open(join(ndk_dir, 'RELEASE.TXT')) as fileh:
reported_ndk_ver = fileh.read().split(' ')[0]
except IOError:
pass
else:
if ndk_ver is None:
ndk_ver = reported_ndk_ver
info(('Got Android NDK version from the NDK dir: '
'it is {}').format(ndk_ver))
else:
if ndk_ver != reported_ndk_ver:
warning('NDK version was set as {}, but checking '
'the NDK dir claims it is {}.'.format(
ndk_ver, reported_ndk_ver))
warning('The build will try to continue, but it may '
'fail and you should check '
'that your setting is correct.')
warning('If the NDK dir result is correct, you don\'t '
'need to manually set the NDK ver.')
if ndk_ver is None:
warning('Android NDK version could not be found, exiting.')
self.ndk_ver = ndk_ver
virtualenv = None
if virtualenv is None:
virtualenv = sh.which('virtualenv2')
if virtualenv is None:
virtualenv = sh.which('virtualenv-2.7')
if virtualenv is None:
virtualenv = sh.which('virtualenv')
if virtualenv is None:
raise IOError('Couldn\'t find a virtualenv executable, '
'you must install this to use p4a.')
self.virtualenv = virtualenv
info('Found virtualenv at {}'.format(virtualenv))
# path to some tools
self.ccache = sh.which("ccache")
if not self.ccache:
info('ccache is missing, the build will not be optimized in the '
'future.')
for cython_fn in ("cython2", "cython-2.7", "cython"):
cython = sh.which(cython_fn)
if cython:
self.cython = cython
break
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