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Update create data package utility #104

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Update create data package utility #104

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ade1b5d
Add missing d1_client import to download_mn_objects
r-b-g-b Dec 17, 2024
9872b41
Fixes to make create data packages helper utility run
r-b-g-b Dec 17, 2024
bfb55ac
Revert change that is present in another branch
r-b-g-b Jan 23, 2025
773f7d9
Use context manager for file open
r-b-g-b Jan 23, 2025
ccf7225
Serialize resource map, read as bytes
r-b-g-b Jan 23, 2025
7614212
Format, only serialize once
r-b-g-b Jan 23, 2025
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17 changes: 8 additions & 9 deletions utilities/src/d1_util/create_data_packages.py
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Original file line number Diff line number Diff line change
Expand Up @@ -171,30 +171,29 @@ def main():
# once, for the MD5 checksum calculation.
def create_science_object_on_member_node(client, file_path):
pid = os.path.basename(file_path)
sci_obj = open(file_path, "rb").read()
with open(file_path, "rb") as fp:
sci_obj = fp.read()
sys_meta = generate_system_metadata_for_science_object(
pid, SYSMETA_FORMATID, sci_obj
)
client.create(pid, io.StringIO(sci_obj), sys_meta)
client.create(pid, io.BytesIO(sci_obj), sys_meta)
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Currently, this line results in the error:

TypeError                                 Traceback (most recent call last)
Cell In[62], line 8
      6 for file_path in files_in_group:
      7     print("  File: {}".format(file_path))
----> 8     create_science_object_on_member_node(client, file_path)

File ~/projects/cib-data-infrastructure/.venv/lib/python3.13/site-packages/d1_util/create_data_packages.py:178, in create_science_object_on_member_node(client, file_path)
    174 sci_obj = open(file_path, "rb").read()
    175 sys_meta = generate_system_metadata_for_science_object(
    176     pid, SYSMETA_FORMATID, sci_obj
    177 )
--> 178 client.create(pid, io.StringIO(sci_obj), sys_meta)

TypeError: initial_value must be str or None, not bytes

That makes sense, since the file is opened in "rb" binary mode so needs to be wrapped with BytesIO instead of StringIO (which expects a decoded str).



def create_package_on_member_node(client, files_in_group):
package_pid = group_name(files_in_group[0])
pids = [os.path.basename(p) for p in files_in_group]
resource_map = create_resource_map_for_pids(package_pid, pids)
sys_meta = generate_system_metadata_for_science_object(
package_pid, RESOURCE_MAP_FORMAT_ID, resource_map
package_pid, RESOURCE_MAP_FORMAT_ID, resource_map.serialize_to_transport()
)
client.create(package_pid, io.StringIO(resource_map), sys_meta)


def create_resource_map_for_pids(package_pid, pids):
# Create a resource map generator that will generate resource maps that, by
# default, use the DataONE production environment for resolving the object
# URIs. To use the resource map generator in a test environment, pass the base
# url to the root CN in that environment in the dataone_root parameter.
resource_map_generator = d1_common.resource_map.ResourceMapGenerator()
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As is I get the error:

AttributeError                            Traceback (most recent call last)
Cell In[83], line 1
----> 1 create_package_on_member_node(client, files_in_group)

Cell In[65], line 90, in create_package_on_member_node(client, files_in_group)
     88 package_pid = group_name(files_in_group[0])
     89 pids = [os.path.basename(p) for p in files_in_group]
---> 90 resource_map = create_resource_map_for_pids(package_pid, pids)
     91 sys_meta = generate_system_metadata_for_science_object(
     92     package_pid, RESOURCE_MAP_FORMAT_ID, resource_map
     93 )
     94 client.create(package_pid, io.StringIO(resource_map), sys_meta)

Cell In[65], line 102, in create_resource_map_for_pids(package_pid, pids)
     97 def create_resource_map_for_pids(package_pid, pids):
     98     # Create a resource map generator that will generate resource maps that, by
     99     # default, use the DataONE production environment for resolving the object
    100     # URIs. To use the resource map generator in a test environment, pass the base
    101     # url to the root CN in that environment in the dataone_root parameter.
--> 102     resource_map_generator = d1_common.resource_map.ResourceMapGenerator()
    103     return resource_map_generator.simple_generate_resource_map(
    104         package_pid, pids[0], pids[1:]
    105     )

AttributeError: module 'd1_common.resource_map' has no attribute 'ResourceMapGenerator'

I believe this class has since been removed and its method simple_generate_resource_map replaced with d1_common.resource_map.createSimpleResourceMap.

return resource_map_generator.simple_generate_resource_map(
# Create a resource map that, by default, uses the DataONE production environment for resolving
# the object URIs. To use the resource map generator in a test environment, pass the base url to
# the root CN in that environment in the dataone_root parameter.
return d1_common.resource_map.createSimpleResourceMap(
package_pid, pids[0], pids[1:]
)

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