class Project(ProjectOptions):
"""All details around building a project concerning the build environment
and the snap being built."""
def __init__(self,
*,
target_deb_arch=None,
debug=False,
snapcraft_yaml_file_path=None,
work_dir: str = None,
is_managed_host: bool = False) -> None:
project_dir = os.getcwd()
if is_managed_host:
work_dir = os.path.expanduser("~")
else:
work_dir = project_dir
super().__init__(target_deb_arch, debug, work_dir=work_dir)
# This here check is mostly for backwards compatibility with the
# rest of the code base.
if snapcraft_yaml_file_path is None:
self.info: ProjectInfo = None # type: ignore
else:
self.info = ProjectInfo(
snapcraft_yaml_file_path=snapcraft_yaml_file_path)
self._is_managed_host = is_managed_host
self._project_dir = project_dir
self._work_dir = work_dir
self.local_plugins_dir = self._get_local_plugins_dir()
self._start_time = datetime.utcnow()
# XXX: (Re)set by Config because it mangles source data.
# Ideally everywhere wold converge to operating on snap_meta, and ww
# would only need to initialize it once (properly).
self._snap_meta = Snap()
def _get_build_base(self) -> str:
"""
Return name for type base or the base otherwise build-base is set
"""
# In case snap_meta is not yet populated, lookup base in info.
if self.info:
if self.info.build_base:
return self.info.build_base
if self.info.base:
return self.info.base
return self._snap_meta.get_build_base()
def _get_project_directory_hash(self) -> str:
m = hashlib.sha1()
m.update(self._project_dir.encode())
return m.hexdigest()[:6]
def _get_content_snaps(self) -> Set[str]:
"""Return the set of content snaps from snap_meta."""
return set([
x.provider for x in self._snap_meta.get_content_plugs()
if x.provider is not None
])
def _get_provider_content_dirs(self) -> Set[str]:
"""Return the set installed provider content directories."""
return self._snap_meta.get_provider_content_directories()
def _get_snapcraft_assets_dir(self) -> str:
# Many test cases don't set the yaml file path and assume the default dir
if not self.info:
return os.path.join(self._project_dir, "snap")
if self.info.snapcraft_yaml_file_path.endswith(
os.path.join("build-aux", "snap", "snapcraft.yaml")):
return os.path.join(self._project_dir, "build-aux", "snap")
else:
return os.path.join(self._project_dir, "snap")
def _get_keys_path(self) -> Path:
# Directory containing <KEY_ID>.asc keys for use with
# package-repositories, relative to 'snap' assets.
return Path(self._get_snapcraft_assets_dir(), "keys")
def _get_local_plugins_dir(self) -> str:
deprecated_plugins_dir = os.path.join(self._parts_dir, "plugins")
if os.path.exists(deprecated_plugins_dir):
handle_deprecation_notice("dn2")
return deprecated_plugins_dir
else:
assets_dir = self._get_snapcraft_assets_dir()
return os.path.join(assets_dir, "plugins")
def _get_global_state_file_path(self) -> str:
if self._is_managed_host:
state_file_path = os.path.join(self._work_dir, "state")
else:
state_file_path = os.path.join(self._parts_dir,
".snapcraft_global_state")
return state_file_path
def _get_stage_packages_target_arch(self) -> str:
"""Get architecture for staging packages.
Prior to core20, staging packages has broken behavior in that it will
stage native architecture packages by default.
:return: The appropriate default architecture to stage.
"""
if self._get_build_base() in ["core16", "core18"]:
return self.deb_arch
else:
return self.target_arch
def _get_start_time(self) -> datetime:
"""Returns the timestamp for when a snapcraft project was loaded."""
return self._start_time
class Project(ProjectOptions):
"""All details around building a project concerning the build environment
and the snap being built."""
def __init__(self,
*,
target_deb_arch=None,
debug=False,
snapcraft_yaml_file_path=None,
work_dir: str = None,
is_managed_host: bool = False) -> None:
project_dir = os.getcwd()
if is_managed_host:
work_dir = os.path.expanduser("~")
else:
work_dir = project_dir
super().__init__(target_deb_arch, debug, work_dir=work_dir)
# This here check is mostly for backwards compatibility with the
# rest of the code base.
if snapcraft_yaml_file_path is None:
self.info = None # type: ProjectInfo
else:
self.info = ProjectInfo(
snapcraft_yaml_file_path=snapcraft_yaml_file_path)
self._is_managed_host = is_managed_host
self._project_dir = project_dir
self._work_dir = work_dir
self.local_plugins_dir = self._get_local_plugins_dir()
self._start_time = datetime.utcnow()
# XXX: (Re)set by Config because it mangles source data.
# Ideally everywhere wold converge to operating on snap_meta, and ww
# would only need to initialize it once (properly).
self._snap_meta = Snap()
def _get_project_directory_hash(self) -> str:
m = hashlib.sha1()
m.update(self._project_dir.encode())
return m.hexdigest()[:6]
def _get_content_snaps(self) -> Set[str]:
"""Return the set of content snaps from snap_meta."""
return set([
x.provider for x in self._snap_meta.get_content_plugs()
if x.provider is not None
])
def _get_provider_content_dirs(self) -> Set[str]:
"""Return the set installed provider content directories."""
return self._snap_meta.get_provider_content_directories()
def _get_snapcraft_assets_dir(self) -> str:
# Many test cases don't set the yaml file path and assume the default dir
if not self.info:
return os.path.join(self._project_dir, "snap")
if self.info.snapcraft_yaml_file_path.endswith(
os.path.join("build-aux", "snap", "snapcraft.yaml")):
return os.path.join(self._project_dir, "build-aux", "snap")
else:
return os.path.join(self._project_dir, "snap")
def _get_local_plugins_dir(self) -> str:
deprecated_plugins_dir = os.path.join(self._parts_dir, "plugins")
if os.path.exists(deprecated_plugins_dir):
handle_deprecation_notice("dn2")
return deprecated_plugins_dir
else:
assets_dir = self._get_snapcraft_assets_dir()
return os.path.join(assets_dir, "plugins")
def _get_global_state_file_path(self) -> str:
if self._is_managed_host:
state_file_path = os.path.join(self._work_dir, "state")
else:
state_file_path = os.path.join(self._parts_dir,
".snapcraft_global_state")
return state_file_path
def _get_start_time(self) -> datetime:
"""Returns the timestamp for when a snapcraft project was loaded."""
return self._start_time
class Project(ProjectOptions):
"""All details around building a project concerning the build environment
and the snap being built."""
def __init__(self,
*,
target_deb_arch=None,
debug=False,
snapcraft_yaml_file_path=None,
work_dir: str = None,
is_managed_host: bool = False) -> None:
project_dir = os.getcwd()
if is_managed_host:
work_dir = os.path.expanduser("~")
else:
work_dir = project_dir
super().__init__(target_deb_arch, debug, work_dir=work_dir)
# This here check is mostly for backwards compatibility with the
# rest of the code base.
if snapcraft_yaml_file_path is None:
self.info: ProjectInfo = None # type: ignore
else:
self.info = ProjectInfo(
snapcraft_yaml_file_path=snapcraft_yaml_file_path)
self._is_managed_host = is_managed_host
self._project_dir = project_dir
self._work_dir = work_dir
self.local_plugins_dir = self._get_local_plugins_dir()
self._start_time = datetime.utcnow()
# XXX: (Re)set by Config because it mangles source data.
# Ideally everywhere wold converge to operating on snap_meta, and ww
# would only need to initialize it once (properly).
self._snap_meta = Snap()
def _get_build_base(self) -> str:
"""
Return name for type base or the base otherwise build-base is set
"""
# In case snap_meta is not yet populated, lookup base in info.
if self.info:
if self.info.build_base:
return self.info.build_base
if self.info.base:
return self.info.base
return self._snap_meta.get_build_base()
def _get_project_directory_hash(self) -> str:
# This function uses md5 hashes because they are fast, and because
# the hashes only need to be unique per project, so clashes are
# tremendously unlikely and not a big deal even if they happen.
hashes: List[str] = list()
for root, dirs, files in os.walk(self._project_dir):
# Sort contents, we need this to be stable so it's reproducible
dirs.sort()
files.sort()
for filename in files:
md5_hash = hashlib.md5()
# Read files in chunks in case they are big
with open(os.path.join(root, filename), "rb") as f:
for block in iter(lambda: f.read(4096), b""):
md5_hash.update(block)
hashes.append(md5_hash.hexdigest())
# Return final hash of hashes for the directory
return hashlib.md5("".join(hashes).encode()).hexdigest()
def _get_content_snaps(self) -> Set[str]:
"""Return the set of content snaps from snap_meta."""
return set([
x.provider for x in self._snap_meta.get_content_plugs()
if x.provider is not None
])
def _get_provider_content_dirs(self) -> Set[str]:
"""Return the set installed provider content directories."""
return self._snap_meta.get_provider_content_directories()
def _get_snapcraft_assets_dir(self) -> str:
# Many test cases don't set the yaml file path and assume the default dir
if not self.info:
return os.path.join(self._project_dir, "snap")
if self.info.snapcraft_yaml_file_path.endswith(
os.path.join("build-aux", "snap", "snapcraft.yaml")):
return os.path.join(self._project_dir, "build-aux", "snap")
else:
return os.path.join(self._project_dir, "snap")
def _get_keys_path(self) -> Path:
# Directory containing <KEY_ID>.asc keys for use with
# package-repositories, relative to 'snap' assets.
return Path(self._get_snapcraft_assets_dir(), "keys")
def _get_local_plugins_dir(self) -> str:
deprecated_plugins_dir = os.path.join(self._parts_dir, "plugins")
if os.path.exists(deprecated_plugins_dir):
handle_deprecation_notice("dn2")
return deprecated_plugins_dir
else:
assets_dir = self._get_snapcraft_assets_dir()
return os.path.join(assets_dir, "plugins")
def _get_global_state_file_path(self) -> str:
if self._is_managed_host:
state_file_path = os.path.join(self._work_dir, "state")
else:
state_file_path = os.path.join(self._parts_dir,
".snapcraft_global_state")
return state_file_path
def _get_stage_packages_target_arch(self) -> str:
"""Get architecture for staging packages.
Prior to core20, staging packages has broken behavior in that it will
stage native architecture packages by default.
:return: The appropriate default architecture to stage.
"""
if self._get_build_base() == "core18":
return self.deb_arch
else:
return self.target_arch
def _get_start_time(self) -> datetime:
"""Returns the timestamp for when a snapcraft project was loaded."""
return self._start_time