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import sys
import os
import stat
import errno
import time
import shutil
import subprocess
import fnmatch
import itertools
import popenasync
from distutils.spawn import spawn
from distutils.spawn import DistutilsExecError
try:
WindowsError
except NameError:
WindowsError = None
def has_option(name):
try:
sys.argv.remove('--%s' % name)
return True
except ValueError:
pass
return False
def option_value(name):
for index, option in enumerate(sys.argv):
if option == '--' + name:
if index+1 >= len(sys.argv):
raise DistutilsOptionError(
'The option %s requires a value' % option)
value = sys.argv[index+1]
sys.argv[index:index+2] = []
return value
if option.startswith('--' + name + '='):
value = option[len(name)+3:]
sys.argv[index:index+1] = []
return value
env_val = os.getenv(name.upper().replace('-', '_'))
return env_val
def filter_match(name, patterns):
for pattern in patterns:
if pattern is None:
continue
if fnmatch.fnmatch(name, pattern):
return True
return False
def find_vcvarsall(version):
from distutils import msvc9compiler
vcvarsall_path = msvc9compiler.find_vcvarsall(version)
return vcvarsall_path
def copyfile(src, dst, logger=None, force=True, vars=None, subst_content=False):
if vars is not None:
src = src.format(**vars)
dst = dst.format(**vars)
if not os.path.exists(src) and not force:
if logger is not None:
logger.info("**Skiping copy file %s to %s. Source does not exists." % (src, dst))
return
if logger is not None:
logger.info("Copying file %s to %s." % (src, dst))
if vars is None or not subst_content:
shutil.copy2(src, dst)
return
print ("copyfile " + src)
f = open(src, "rt")
content = f.read()
f.close()
content = content.format(**vars)
f = open(dst, "wt")
f.write(content)
f.close()
def makefile(dst, content=None, logger=None, vars=None):
if vars is not None:
if content is not None:
content = content.format(**vars)
dst = dst.format(**vars)
if logger is not None:
logger.info("Making file %s." % (dst))
dstdir = os.path.dirname(dst)
if not os.path.exists(dstdir):
os.makedirs(dstdir)
f = open(dst, "wt")
if content is not None:
f.write(content)
f.close()
def copydir(src, dst, logger=None, filter=None, ignore=None, force=True,
recursive=True, vars=None, subst_files_content=False):
if vars is not None:
src = src.format(**vars)
dst = dst.format(**vars)
if filter is not None:
for i in range(len(filter)):
filter[i] = filter[i].format(**vars)
if ignore is not None:
for i in range(len(ignore)):
ignore[i] = ignore[i].format(**vars)
if not os.path.exists(src) and not force:
if logger is not None:
logger.info("**Skiping copy tree %s to %s. Source does not exists. filter=%s. ignore=%s." % \
(src, dst, filter, ignore))
return
if logger is not None:
logger.info("Copying tree %s to %s. filter=%s. ignore=%s." % \
(src, dst, filter, ignore))
names = os.listdir(src)
errors = []
for name in names:
srcname = os.path.join(src, name)
dstname = os.path.join(dst, name)
try:
if os.path.isdir(srcname):
if recursive:
copydir(srcname, dstname, logger, filter, ignore, force, recursive,
vars, subst_files_content)
else:
if (filter is not None and not filter_match(name, filter)) or \
(ignore is not None and filter_match(name, ignore)):
continue
if not os.path.exists(dst):
os.makedirs(dst)
copyfile(srcname, dstname, logger, True, vars, subst_files_content)
# catch the Error from the recursive copytree so that we can
# continue with other files
except shutil.Error as err:
errors.extend(err.args[0])
except EnvironmentError as why:
errors.append((srcname, dstname, str(why)))
try:
shutil.copystat(src, dst)
except OSError as why:
if WindowsError is not None and isinstance(why, WindowsError):
# Copying file access times may fail on Windows
pass
else:
errors.extend((src, dst, str(why)))
if errors:
raise EnvironmentError(errors)
def rmtree(dirname):
def handleRemoveReadonly(func, path, exc):
excvalue = exc[1]
if func in (os.rmdir, os.remove) and excvalue.errno == errno.EACCES:
os.chmod(path, stat.S_IRWXU| stat.S_IRWXG| stat.S_IRWXO) # 0777
func(path)
else:
raise
shutil.rmtree(dirname, ignore_errors=False, onerror=handleRemoveReadonly)
def run_process(args, logger=None, initial_env=None):
def log(buffer, checkNewLine=False):
endsWithNewLine = False
if buffer.endswith('\n'):
endsWithNewLine = True
if checkNewLine and buffer.find('\n') == -1:
return buffer
lines = buffer.splitlines()
buffer = ''
if checkNewLine and not endsWithNewLine:
buffer = lines[-1]
lines = lines[:-1]
for line in lines:
if not logger is None:
logger.info(line.rstrip('\r'))
else:
print(line.rstrip('\r'))
return buffer
log("Running process: {0}".format(" ".join([(" " in x and '"{0}"'.format(x) or x) for x in args])))
if sys.platform != "win32":
try:
spawn(args)
return 0
except DistutilsExecError:
return -1
shell = False
if sys.platform == "win32":
shell = True
if initial_env is None:
initial_env = os.environ
proc = popenasync.Popen(args,
stdin = subprocess.PIPE,
stdout = subprocess.PIPE,
stderr = subprocess.STDOUT,
universal_newlines = 1,
shell = shell,
env = initial_env)
log_buffer = None;
while proc.poll() is None:
log_buffer = log(proc.read_async(wait=0.1, e=0))
if log_buffer:
log(log_buffer)
proc.wait()
return proc.returncode
def get_environment_from_batch_command(env_cmd, initial=None):
"""
Take a command (either a single command or list of arguments)
and return the environment created after running that command.
Note that if the command must be a batch file or .cmd file, or the
changes to the environment will not be captured.
If initial is supplied, it is used as the initial environment passed
to the child process.
"""
def validate_pair(ob):
try:
if not (len(ob) == 2):
print("Unexpected result: %s" % ob)
raise ValueError
except:
return False
return True
def consume(iter):
try:
while True: next(iter)
except StopIteration:
pass
if not isinstance(env_cmd, (list, tuple)):
env_cmd = [env_cmd]
# construct the command that will alter the environment
env_cmd = subprocess.list2cmdline(env_cmd)
# create a tag so we can tell in the output when the proc is done
tag = 'Done running command'
# construct a cmd.exe command to do accomplish this
cmd = 'cmd.exe /s /c "{env_cmd} && echo "{tag}" && set"'.format(**vars())
# launch the process
proc = subprocess.Popen(cmd, stdout=subprocess.PIPE, env=initial)
# parse the output sent to stdout
lines = proc.stdout
if sys.version_info[0] > 2:
# make sure the lines are strings
make_str = lambda s: s.decode()
lines = map(make_str, lines)
# consume whatever output occurs until the tag is reached
consume(itertools.takewhile(lambda l: tag not in l, lines))
# define a way to handle each KEY=VALUE line
handle_line = lambda l: l.rstrip().split('=',1)
# parse key/values into pairs
pairs = map(handle_line, lines)
# make sure the pairs are valid
valid_pairs = filter(validate_pair, pairs)
# construct a dictionary of the pairs
result = dict(valid_pairs)
# let the process finish
proc.communicate()
return result
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