def dump_row(row: JSON) -> str:
row_columns = row.keys()
# TinyQuery's errors are typically not helpful in debugging missing/
# extra columns in the row JSON.
assert row_columns == columns, row_columns
row = {
column_name: (json.dumps(column_value) if isinstance(
column_value, Mapping) else column_value)
for column_name, column_value in row.items()
}
return json.dumps(row)
def from_index(
cls,
field_types: CataloguedFieldTypes,
hit: JSON,
*,
coordinates: Optional[
DocumentCoordinates[CataloguedEntityReference]] = None
) -> 'Document':
if coordinates is None:
coordinates = DocumentCoordinates.from_hit(hit)
if 'contents' in hit['_source']:
file: JSON
content_descriptions = [
file['content_description']
for file in hit['_source']['contents']['files']
]
assert [] not in content_descriptions, 'Found empty list as content_description value'
source = cls.translate_fields(hit['_source'],
field_types[coordinates.entity.catalog],
forward=False)
# noinspection PyArgumentList
# https://youtrack.jetbrains.com/issue/PY-28506
self = cls(coordinates=coordinates,
version=hit.get('_version', 0),
contents=source.get('contents'),
**cls._from_source(source))
return self
def populate_tags(tf_config: JSON) -> JSON:
"""
Add tags to all taggable resources and change the `name` tag to `Name`
for tagged AWS resources.
"""
taggable_resource_types = terraform.taggable_resource_types()
try:
resources = tf_config['resource']
except KeyError:
return tf_config
else:
return {
k: v if k != 'resource' else [{
resource_type: [{
resource_name: {
**arguments, 'tags':
_adjust_name_tag(
resource_type,
_tags(resource_name, **arguments.get('tags', {})))
}
if resource_type in taggable_resource_types else arguments
} for resource_name, arguments in _normalize_tf(resource)]
} for resource_type, resource in _normalize_tf(resources)]
for k, v in tf_config.items()
}
def flatten(value: JSON,
*path) -> Iterable[Tuple[Tuple[str, ...], AnyJSON]]:
for k, v in value.items():
if isinstance(v, Mapping):
yield from flatten(v, *path, k)
else:
yield (*path, k), v
def parse_stratification(self,
points: JSON) -> List[Mapping[str, List[str]]]:
"""
>>> file = File(name='foo.txt', source='', project_id='1234', row_num=1)
>>> file.parse_stratification({'species': 'human', 'organ': 'blood'})
[{'species': ['human'], 'organ': ['blood']}]
>>> file.parse_stratification({'species': 'human, mouse', 'organ': 'blood'})
[{'species': ['human', 'mouse'], 'organ': ['blood']}]
>>> file.parse_stratification({'species': 'human, mouse', 'organ': 'human: blood, mouse: brain'})
[{'species': ['human'], 'organ': ['blood']}, {'species': ['mouse'], 'organ': ['brain']}]
>>> file.parse_stratification({'species': 'human, mouse', 'organ': 'human: blood'})
Traceback (most recent call last):
...
azul.RequirementError: Row 1 'organ' values ['human'] differ from parent dimension.
>>> file.parse_stratification({'species': 'human, mouse', 'organ': 'human: blood, mouse: brain, cat: brain'})
Traceback (most recent call last):
...
azul.RequirementError: Row 1 'organ' values ['cat', 'human', 'mouse'] differ from parent dimension.
"""
strata = [{}]
for dimension, values in points.items():
if values:
parsed_values = self.parse_values(values)
if None in parsed_values:
# Add the value to all stratum
assert len(parsed_values) == 1, parsed_values
for stratum in strata:
stratum[dimension] = parsed_values[None]
else:
# Each value belongs to a separate stratum. Find the stratum
# with the matching multi-value point and split it into
# separate stratum.
parents = list(parsed_values.keys())
for stratum in strata:
for dimension_, values_ in stratum.items():
if set(parents) == set(values_):
stratum[dimension_] = [parents.pop(0)]
while len(parents) > 0:
new_stratum = deepcopy(stratum)
new_stratum[dimension_] = [parents.pop(0)]
strata.append(new_stratum)
# Put each value in its specified stratum
parents = set(parsed_values.keys())
for stratum in strata:
for parent, values_ in parsed_values.items():
if [parent] in stratum.values():
stratum[dimension] = values_
parents -= {parent}
require(
len(parents) == 0,
f'Row {self.row_num} {dimension!r} values {sorted(parents)} '
'differ from parent dimension.')
return strata
def _transform_entity(self, entity: JSON) -> JSON:
fqid = entity['uuid'], entity['version']
return dict(size=(fqid, entity['size']),
file_format=entity['file_format'],
file_source=entity['file_source'],
is_intermediate=entity['is_intermediate'],
count=(fqid, 1),
content_description=entity['content_description'],
matrix_cell_count=(fqid, entity.get('matrix_cell_count')))
def _accumulate(self, aggregate: MutableMapping[str, Optional[Accumulator]], entity: JSON):
entity = self._transform_entity(entity)
for field_, value in entity.items():
try:
accumulator = aggregate[field_]
except Exception:
accumulator = self._get_accumulator(field_)
aggregate[field_] = accumulator
if accumulator is not None:
accumulator.accumulate(value)
def _sanitize_tf(tf_config: JSON) -> JSON:
"""
Avoid errors like
Error: Missing block label
on api_gateway.tf.json line 12:
12: "resource": []
At least one object property is required, whose name represents the resource
block's type.
"""
return {k: v for k, v in tf_config.items() if v}
def _flatten(self, output: Output, obj: JSON, *path: str) -> None:
for key, value in obj.items():
if key not in self.ignored_fields:
new_path = *path, key
if isinstance(value, dict):
self._flatten(output, obj[key], *new_path)
elif isinstance(value, list):
for item in value:
if isinstance(item, dict):
self._flatten(output, item, *new_path)
else:
self._set_value(output, item, *new_path)
else:
self._set_value(output, value, *new_path)
def from_json(cls,
*,
coordinates: C,
document: JSON,
version: Optional[InternalVersion],
**kwargs
) -> 'Aggregate':
self = super().from_json(coordinates=coordinates,
document=document,
version=version,
num_contributions=document['num_contributions'],
sources=map(DocumentSource.from_json, document['sources']),
bundles=document.get('bundles'))
assert isinstance(self, Aggregate)
return self
def from_json(cls,
*,
coordinates: C,
document: JSON,
version: Optional[InternalVersion],
**kwargs,
) -> 'Document':
# noinspection PyArgumentList
# https://youtrack.jetbrains.com/issue/PY-28506
self = cls(coordinates=coordinates,
version=version,
contents=document.get('contents'),
**kwargs)
assert document['entity_id'] == self.entity.entity_id
return self
def get_manifest(self, state: JSON) -> JSON:
partition = ManifestPartition.from_json(
state[self.partition_state_key])
auth = state.get('authentication')
result = self.service.get_manifest(
format_=ManifestFormat(state['format_']),
catalog=state['catalog'],
filters=Filters.from_json(state['filters']),
partition=partition,
authentication=None
if auth is None else Authentication.from_json(auth),
object_key=state['object_key'])
if isinstance(result, ManifestPartition):
assert not result.is_last, result
return {**state, self.partition_state_key: result.to_json()}
elif isinstance(result, Manifest):
return {
# The presence of this key terminates the step function loop
self.manifest_state_key:
result.to_json()
}
else:
assert False, type(result)
def _from_source(cls, source: JSON) -> Mapping[str, Any]:
return dict(super()._from_source(source),
num_contributions=source['num_contributions'],
bundles=source.get('bundles'))
def _deep_get(self, d: JSON, *path: str) -> Optional[JSON]:
if d is not None and path:
key, *path = path
return self._deep_get(d.get(key), *path)
else:
return d
def drs_path(self, manifest_entry: JSON) -> Optional[str]:
return manifest_entry.get('drs_path')
def patch_resource_names(self, tf_config: JSON) -> JSON:
"""
Some Chalice-generated resources have names that are incompatible with
our convention for generating fully qualified resource names. This
method transforms the given Terraform configuration to use names that
are compatible with the convention.
>>> from azul.doctests import assert_json
>>> assert_json(chalice.patch_resource_names({
... "resource": {
... "aws_cloudwatch_event_rule": {
... "indexercachehealth-event": { # patch
... "name": "indexercachehealth-event" # leave
... }
... },
... "aws_cloudwatch_event_target": {
... "indexercachehealth-event": { # patch
... "rule": "${aws_cloudwatch_event_rule.indexercachehealth-event.name}", # patch
... "target_id": "indexercachehealth-event", # leave
... "arn": "${aws_lambda_function.indexercachehealth.arn}"
... }
... },
... "aws_lambda_permission": {
... "indexercachehealth-event": { # patch
... "function_name": "azul-indexer-prod-indexercachehealth",
... "source_arn": "${aws_cloudwatch_event_rule.indexercachehealth-event.arn}" # patch
... }
... },
... "aws_lambda_event_source_mapping": {
... "contribute-sqs-event-source": {
... "batch_size": 1
... }
... }
... }
... }))
{
"resource": {
"aws_cloudwatch_event_rule": {
"indexercachehealth": {
"name": "indexercachehealth-event"
}
},
"aws_cloudwatch_event_target": {
"indexercachehealth": {
"rule": "${aws_cloudwatch_event_rule.indexercachehealth.name}",
"target_id": "indexercachehealth-event",
"arn": "${aws_lambda_function.indexercachehealth.arn}"
}
},
"aws_lambda_permission": {
"indexercachehealth": {
"function_name": "azul-indexer-prod-indexercachehealth",
"source_arn": "${aws_cloudwatch_event_rule.indexercachehealth.arn}"
}
},
"aws_lambda_event_source_mapping": {
"contribute-sqs-event-source": {
"batch_size": 1
}
}
}
}
"""
mapping = self.resource_name_mapping(tf_config)
tf_config = {
block_name: {
resource_type: {
mapping.get((resource_type, name), name): resource
for name, resource in resources.items()
}
for resource_type, resources in block.items()
} if block_name == 'resource' else block
for block_name, block in tf_config.items()
}
def ref(resource_type, name):
return '${' + resource_type + '.' + name + '.'
ref_map = {
ref(resource_type, name): ref(resource_type, new_name)
for (resource_type, name), new_name in mapping.items()
}
def patch_refs(v: U) -> U:
if isinstance(v, dict):
return {k: patch_refs(v) for k, v in v.items()}
elif isinstance(v, str):
for old_ref, new_ref in ref_map.items():
if old_ref in v:
return v.replace(old_ref, new_ref)
return v
else:
return v
return patch_refs(tf_config)
