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import os
import re
import tarfile
import contextlib
from . import runtime
_JAVA_DIR = []
_JDK_RE = re.compile(r'jdk(\d+)\.tar')
def get_java_path(jdk_dir):
# deprecated - to be deleted
java_paths = (os.path.join(jdk_dir, 'bin', 'java'), os.path.join(jdk_dir, 'bin', 'java.exe'))
for p in java_paths:
if os.path.exists(p):
return p
for f in os.listdir(jdk_dir):
if f.endswith('.tar'):
with contextlib.closing(tarfile.open(os.path.join(jdk_dir, f))) as tf:
tf.extractall(jdk_dir)
for p in java_paths:
if os.path.exists(p):
return p
return ''
def get_build_java_dir(jdk_dir):
if _JAVA_DIR:
return _JAVA_DIR[0]
jdk_dest_dir = runtime.build_path('jdk4test')
if os.path.exists(os.path.join(jdk_dest_dir, "bin", "java")):
_JAVA_DIR.append(jdk_dest_dir)
return jdk_dest_dir
# Get jdk with the lowest version
jdk_tar_version = None
jdk_tar_path = None
for name in os.listdir(jdk_dir):
m = _JDK_RE.match(name)
if m:
v = int(m.group(1))
if jdk_tar_version is None or jdk_tar_version > v:
jdk_tar_version = v
jdk_tar_path = os.path.join(jdk_dir, name)
if jdk_tar_path is None:
_JAVA_DIR.append(None)
return None
with contextlib.closing(tarfile.open(jdk_tar_path)) as tf:
tf.extractall(jdk_dest_dir)
assert os.path.exists(os.path.join(jdk_dest_dir, "bin", "java"))
_JAVA_DIR.append(jdk_dest_dir)
return jdk_dest_dir
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