def populate_database_from_browse_file(
db: BundleDB,
browse_product_lidvid: str,
fits_product_lidvid: str,
collection_lidvid: str,
os_filepath: str,
basename: str,
byte_size: int,
) -> None:
db.create_browse_product(browse_product_lidvid, fits_product_lidvid,
collection_lidvid)
db.create_browse_file(os_filepath, basename, browse_product_lidvid,
byte_size)
def _build_browse_collection(
db: BundleDB,
changes_dict: ChangesDict,
browse_deltas: COWFS,
bundle_lidvid: LIDVID,
data_collection_lidvid: LIDVID,
bundle_path: str,
) -> None:
bundle_segment = bundle_lidvid.lid().parts()[0]
collection_segment = data_collection_lidvid.lid().parts()[1]
browse_collection_lid = data_collection_lidvid.lid().to_browse_lid()
collection_path = f"{bundle_path}{collection_segment}$/"
browse_collection_segment = browse_collection_lid.collection_id
browse_collection_path = f"{bundle_path}{browse_collection_segment}$/"
browse_collection_vid = data_collection_lidvid.vid()
browse_collection_lidvid = LIDVID.create_from_lid_and_vid(
browse_collection_lid, browse_collection_vid)
changes_dict.set(browse_collection_lid, browse_collection_vid, True)
browse_deltas.makedirs(browse_collection_path, recreate=True)
db.create_other_collection(str(browse_collection_lidvid),
str(bundle_lidvid))
db.create_bundle_collection_link(str(bundle_lidvid),
str(browse_collection_lidvid))
product_segments = [
str(prod[:-1]) for prod in browse_deltas.listdir(collection_path)
if "$" in prod
]
for product_segment in product_segments:
# These product_segments are from the data_collection
product_lid = LID.create_from_parts(
[bundle_segment, collection_segment, product_segment])
product_vid = changes_dict.vid(product_lid)
product_path = f"{collection_path}{product_segment}$/"
browse_product_path = f"{browse_collection_path}{product_segment}$/"
browse_product_lidvid = _extend_lidvid(browse_collection_lid,
product_vid, product_segment)
if changes_dict.changed(product_lid):
fits_product_lidvid = _extend_lidvid(
data_collection_lidvid.lid(),
data_collection_lidvid.vid(),
product_segment,
)
bpl = LIDVID(browse_product_lidvid)
changes_dict.set(bpl.lid(), bpl.vid(), True)
browse_deltas.makedirs(browse_product_path, recreate=True)
db.create_browse_product(
browse_product_lidvid,
fits_product_lidvid,
str(browse_collection_lidvid),
)
db.create_collection_product_link(str(browse_collection_lidvid),
browse_product_lidvid)
for fits_file in browse_deltas.listdir(product_path):
fits_filepath = fs.path.join(product_path, fits_file)
fits_os_filepath = browse_deltas.getsyspath(fits_filepath)
browse_file = fs.path.splitext(fits_file)[0] + ".jpg"
browse_filepath = fs.path.join(browse_product_path,
browse_file)
# In a COWFS, a directory does not have a
# syspath, only files. So we write a stub
# file into the directory, find its syspath
# and its directory's syspath. Then we remove
# the stub file.
browse_deltas.touch(browse_filepath)
browse_product_os_filepath = browse_deltas.getsyspath(
browse_filepath)
browse_deltas.remove(browse_filepath)
browse_product_os_dirpath = fs.path.dirname(
browse_product_os_filepath)
# Picmaker expects a list of strings. If you give it
# str, it'll index into it and complain about '/'
# not being a file. So don't do that!
try:
picmaker.ImagesToPics(
[str(fits_os_filepath)],
browse_product_os_dirpath,
filter="None",
percentiles=(1, 99),
)
except IndexError as e:
tb = traceback.format_exc()
message = f"File {fits_file}: {e}\n{tb}"
raise Exception(message)
browse_os_filepath = fs.path.join(browse_product_os_dirpath,
browse_file)
size = os.stat(browse_os_filepath).st_size
db.create_browse_file(browse_os_filepath, browse_file,
browse_product_lidvid, size)
else:
bpl = LIDVID(browse_product_lidvid)
changes_dict.set(bpl.lid(), bpl.vid(), False)
db.create_collection_product_link(str(browse_collection_lidvid),
browse_product_lidvid)