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import hashlib
import os
import json
from devbot import config
from devbot import git
_BUILT_MODULES = "builtmodules"
_FULL_BUILD = "fullbuild"
_SYSTEM_CHECK = "syscheck"
def _get_state_path(name):
return os.path.join(config.build_state_dir, "%s.json" % name)
def _load_state(name, default=None):
state = default
try:
with open(_get_state_path(name)) as f:
state = json.load(f)
except IOError:
pass
return state
def _save_state(name, state):
with open(_get_state_path(name), "w+") as f:
json.dump(state, f, indent=4)
f.write('\n')
def _get_diff_hash(git_module):
diff = git_module.diff().strip()
if diff:
return hashlib.sha256(diff).hexdigest()
else:
return None
def _get_root_commit_id():
git_module = git.get_root_module()
if git_module:
commit_id = git_module.get_commit_id()
else:
commit_id = "snapshot"
return commit_id
def built_module_touch(module):
git_module = module.get_git_module()
built_modules = _load_state(_BUILT_MODULES, {})
info = {"commit": git_module.get_commit_id(),
"diff_hash": _get_diff_hash(git_module)}
built_modules[module.name] = info
_save_state(_BUILT_MODULES, built_modules)
def built_module_is_unchanged(module):
git_module = module.get_git_module()
built_modules = _load_state(_BUILT_MODULES, {})
if module.name not in built_modules:
return False
info = built_modules[module.name]
return info["diff_hash"] == _get_diff_hash(git_module) and \
info["commit"] == git_module.get_commit_id()
def system_check_is_unchanged():
system_check = _load_state(_SYSTEM_CHECK)
if not system_check:
return False
return system_check["commit"] == _get_root_commit_id()
def system_check_touch():
system_check = _load_state(_SYSTEM_CHECK, {})
system_check["commit"] = _get_root_commit_id()
_save_state(_SYSTEM_CHECK, system_check)
def full_build_is_required():
full_build = _load_state(_FULL_BUILD)
if not full_build:
return True
return not (full_build["last"] == config.get_full_build())
def full_build_touch():
full_build = _load_state(_FULL_BUILD, {})
full_build["last"] = config.get_full_build()
_save_state(_FULL_BUILD, full_build)
def clean_build_state():
try:
for name in _BUILT_MODULES, _FULL_BUILD:
os.unlink(_get_state_path(name))
except OSError:
pass
def clean():
_state = None
print "Deleting state"
clean_build_state()
try:
os.unlink(_get_state_path(_SYSTEM_CHECK))
except OSError:
pass
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