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Copy pathquery.py
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749 lines (552 loc) · 24.5 KB
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import json
# Inherit from dict to allow for easy serialization
class Query:
def __init__(self, method, attribute=None, values=None):
self.method = method
if attribute is not None:
self.attribute = attribute
if values is not None:
self.values = values if isinstance(values, list) else [values]
def __str__(self):
return json.dumps(self.__dict__, separators=(",", ":"), default=lambda obj: obj.__dict__)
@staticmethod
def equal(attribute, value):
return str(Query("equal", attribute, value))
@staticmethod
def not_equal(attribute, value):
return str(Query("notEqual", attribute, value))
@staticmethod
def regex(attribute, pattern):
"""
Filter resources where attribute matches a regular expression pattern.
Args:
attribute: The attribute to filter on.
pattern: The regular expression pattern to match.
Returns:
The query string.
"""
return str(Query("regex", attribute, pattern))
@staticmethod
def less_than(attribute, value):
return str(Query("lessThan", attribute, value))
@staticmethod
def less_than_equal(attribute, value):
return str(Query("lessThanEqual", attribute, value))
@staticmethod
def greater_than(attribute, value):
return str(Query("greaterThan", attribute, value))
@staticmethod
def greater_than_equal(attribute, value):
return str(Query("greaterThanEqual", attribute, value))
@staticmethod
def is_null(attribute):
return str(Query("isNull", attribute, None))
@staticmethod
def is_not_null(attribute):
return str(Query("isNotNull", attribute, None))
@staticmethod
def exists(attributes):
"""
Filter resources where the specified attributes exist.
Args:
attributes: The list of attributes that must exist.
Returns:
The query string.
"""
return str(Query("exists", None, attributes))
@staticmethod
def not_exists(attributes):
"""
Filter resources where the specified attributes do not exist.
Args:
attributes: The list of attributes that must not exist.
Returns:
The query string.
"""
return str(Query("notExists", None, attributes))
@staticmethod
def between(attribute, start, end):
return str(Query("between", attribute, [start, end]))
@staticmethod
def starts_with(attribute, value):
return str(Query("startsWith", attribute, value))
@staticmethod
def ends_with(attribute, value):
return str(Query("endsWith", attribute, value))
@staticmethod
def select(attributes):
return str(Query("select", None, attributes))
@staticmethod
def search(attribute, value):
return str(Query("search", attribute, value))
@staticmethod
def order_asc(attribute):
return str(Query("orderAsc", attribute, None))
@staticmethod
def order_desc(attribute):
return str(Query("orderDesc", attribute, None))
@staticmethod
def order_random():
return str(Query("orderRandom", None, None))
@staticmethod
def cursor_before(id):
return str(Query("cursorBefore", None, id))
@staticmethod
def cursor_after(id):
return str(Query("cursorAfter", None, id))
@staticmethod
def limit(limit):
return str(Query("limit", None, limit))
@staticmethod
def offset(offset):
return str(Query("offset", None, offset))
@staticmethod
def contains(attribute, value):
"""
Filter resources where attribute contains the specified value.
For string attributes, checks if the string contains the substring.
Note: For array attributes, use contains_any() or contains_all() instead.
"""
return str(Query("contains", attribute, value))
@staticmethod
def contains_any(attribute, value):
"""
Filter resources where attribute contains ANY of the specified values.
For array and relationship attributes, matches documents where the attribute
contains at least one of the given values.
"""
return str(Query("containsAny", attribute, value))
@staticmethod
def contains_all(attribute, value):
"""
Filter resources where attribute contains ALL of the specified values.
For array and relationship attributes, matches documents where the attribute
contains every one of the given values.
"""
return str(Query("containsAll", attribute, value))
@staticmethod
def not_contains(attribute, value):
return str(Query("notContains", attribute, value))
@staticmethod
def not_search(attribute, value):
return str(Query("notSearch", attribute, value))
@staticmethod
def not_between(attribute, start, end):
return str(Query("notBetween", attribute, [start, end]))
@staticmethod
def not_starts_with(attribute, value):
return str(Query("notStartsWith", attribute, value))
@staticmethod
def not_ends_with(attribute, value):
return str(Query("notEndsWith", attribute, value))
@staticmethod
def created_before(value):
return Query.less_than("$createdAt", value)
@staticmethod
def created_after(value):
return Query.greater_than("$createdAt", value)
@staticmethod
def created_between(start, end):
return Query.between("$createdAt", start, end)
@staticmethod
def updated_before(value):
return Query.less_than("$updatedAt", value)
@staticmethod
def updated_after(value):
return Query.greater_than("$updatedAt", value)
@staticmethod
def updated_between(start, end):
return Query.between("$updatedAt", start, end)
@staticmethod
def or_queries(queries):
return str(Query("or", None, [json.loads(query) for query in queries]))
@staticmethod
def and_queries(queries):
return str(Query("and", None, [json.loads(query) for query in queries]))
@staticmethod
def elem_match(attribute, queries):
"""
Filter array elements where at least one element matches all the specified queries.
Args:
attribute: The attribute containing the array to filter on.
queries: The list of query strings to match against array elements.
Returns:
The query string.
"""
return str(Query("elemMatch", attribute, [json.loads(query) for query in queries]))
@staticmethod
def relationship(attribute, queries):
"""
Constrain populated related documents on a relationship attribute.
Args:
attribute: The relationship attribute to query.
queries: Filter, order, select, and pagination queries applied to related documents.
Returns:
The query string.
"""
return str(Query("relationship", attribute, [json.loads(query) for query in queries]))
@staticmethod
def distance_equal(attribute, values, distance, meters=True):
return str(Query("distanceEqual", attribute, [[values, distance, meters]]))
@staticmethod
def distance_not_equal(attribute, values, distance, meters=True):
return str(Query("distanceNotEqual", attribute, [[values, distance, meters]]))
@staticmethod
def distance_greater_than(attribute, values, distance, meters=True):
return str(Query("distanceGreaterThan", attribute, [[values, distance, meters]]))
@staticmethod
def distance_less_than(attribute, values, distance, meters=True):
return str(Query("distanceLessThan", attribute, [[values, distance, meters]]))
@staticmethod
def vector_dot(attribute, vector):
return str(Query("vectorDot", attribute, [vector]))
@staticmethod
def vector_cosine(attribute, vector):
return str(Query("vectorCosine", attribute, [vector]))
@staticmethod
def vector_euclidean(attribute, vector):
return str(Query("vectorEuclidean", attribute, [vector]))
@staticmethod
def intersects(attribute, values):
return str(Query("intersects", attribute, [values]))
@staticmethod
def not_intersects(attribute, values):
return str(Query("notIntersects", attribute, [values]))
@staticmethod
def crosses(attribute, values):
return str(Query("crosses", attribute, [values]))
@staticmethod
def not_crosses(attribute, values):
return str(Query("notCrosses", attribute, [values]))
@staticmethod
def overlaps(attribute, values):
return str(Query("overlaps", attribute, [values]))
@staticmethod
def not_overlaps(attribute, values):
return str(Query("notOverlaps", attribute, [values]))
@staticmethod
def touches(attribute, values):
return str(Query("touches", attribute, [values]))
@staticmethod
def not_touches(attribute, values):
return str(Query("notTouches", attribute, [values]))
@staticmethod
def count(attribute='*', alias=''):
return str(Query("count", attribute, alias if alias != '' else None))
@staticmethod
def count_distinct(attribute, alias=''):
return str(Query("countDistinct", attribute, alias if alias != '' else None))
@staticmethod
def sum(attribute, alias=''):
return str(Query("sum", attribute, alias if alias != '' else None))
@staticmethod
def avg(attribute, alias=''):
return str(Query("avg", attribute, alias if alias != '' else None))
@staticmethod
def min(attribute, alias=''):
return str(Query("min", attribute, alias if alias != '' else None))
@staticmethod
def max(attribute, alias=''):
return str(Query("max", attribute, alias if alias != '' else None))
@staticmethod
def stddev(attribute, alias=''):
return str(Query("stddev", attribute, alias if alias != '' else None))
@staticmethod
def stddev_pop(attribute, alias=''):
return str(Query("stddevPop", attribute, alias if alias != '' else None))
@staticmethod
def stddev_samp(attribute, alias=''):
return str(Query("stddevSamp", attribute, alias if alias != '' else None))
@staticmethod
def variance(attribute, alias=''):
return str(Query("variance", attribute, alias if alias != '' else None))
@staticmethod
def var_pop(attribute, alias=''):
return str(Query("varPop", attribute, alias if alias != '' else None))
@staticmethod
def var_samp(attribute, alias=''):
return str(Query("varSamp", attribute, alias if alias != '' else None))
@staticmethod
def bit_and(attribute, alias=''):
return str(Query("bitAnd", attribute, alias if alias != '' else None))
@staticmethod
def bit_or(attribute, alias=''):
return str(Query("bitOr", attribute, alias if alias != '' else None))
@staticmethod
def bit_xor(attribute, alias=''):
return str(Query("bitXor", attribute, alias if alias != '' else None))
@staticmethod
def group_by(attributes):
return str(Query("groupBy", None, attributes))
@staticmethod
def having(queries):
return str(Query("having", None, [json.loads(query) for query in queries]))
@staticmethod
def distinct():
return str(Query("distinct", None, None))
@staticmethod
def on(left, right, operator='='):
return str(Query("on", None, [left, operator, right]))
@staticmethod
def join(table, left, right='', operator='=', alias=''):
return Query._create_join("join", table, left, right, operator, alias)
@staticmethod
def left_join(table, left, right='', operator='=', alias=''):
return Query._create_join("leftJoin", table, left, right, operator, alias)
@staticmethod
def right_join(table, left, right='', operator='=', alias=''):
return Query._create_join("rightJoin", table, left, right, operator, alias)
@staticmethod
def full_outer_join(table, left, right='', operator='=', alias=''):
return Query._create_join("fullOuterJoin", table, left, right, operator, alias)
@staticmethod
def cross_join(table, alias=''):
return str(Query("crossJoin", table, alias if alias != '' else None))
@staticmethod
def covers(attribute, values):
return str(Query("covers", attribute, [values]))
@staticmethod
def not_covers(attribute, values):
return str(Query("notCovers", attribute, [values]))
@staticmethod
def spatial_equals(attribute, values):
return str(Query("spatialEquals", attribute, [values]))
@staticmethod
def not_spatial_equals(attribute, values):
return str(Query("notSpatialEquals", attribute, [values]))
@staticmethod
def page(page, per_page=25):
if page < 1:
raise ValueError(f'Page must be >= 1, got {page}')
if per_page < 1:
raise ValueError(f'Per page must be >= 1, got {per_page}')
return [
Query.limit(per_page),
Query.offset((page - 1) * per_page),
]
@staticmethod
def builder():
return Query.Builder()
@staticmethod
def _flatten(value):
if isinstance(value, Query.Builder):
return value.build()
if isinstance(value, Query):
return str(value)
if not isinstance(value, list):
return value
out = []
changed = False
for item in value:
flat = Query._flatten(item)
if isinstance(item, (Query.Builder, Query)):
if isinstance(flat, list):
out.extend(flat)
else:
out.append(flat)
changed = True
continue
if flat is not item:
changed = True
out.append(flat)
return out if changed else value
@staticmethod
def _create_join(method, table, left, right, operator, alias):
if isinstance(left, list):
return Query._nested_join(method, table, '', left)
if isinstance(right, list):
return Query._nested_join(method, table, left, right)
return Query._join(method, table, left, right, operator, alias)
@staticmethod
def _nested_join(method, table, alias, on):
values = []
if alias != '':
values.append(alias)
for query in on:
values.append(json.loads(query))
return str(Query(method, table, values))
@staticmethod
def _join(method, table, left, right, operator, alias):
values = [left, operator, right]
if alias != '':
values.append(alias)
return str(Query(method, table, values))
class Builder:
def __init__(self):
self._queries = []
def build(self):
return list(self._queries)
def equal(self, attribute, value):
return self._push(Query.equal(attribute, value))
def not_equal(self, attribute, value):
return self._push(Query.not_equal(attribute, value))
def less_than(self, attribute, value):
return self._push(Query.less_than(attribute, value))
def less_than_equal(self, attribute, value):
return self._push(Query.less_than_equal(attribute, value))
def greater_than(self, attribute, value):
return self._push(Query.greater_than(attribute, value))
def greater_than_equal(self, attribute, value):
return self._push(Query.greater_than_equal(attribute, value))
def search(self, attribute, value):
return self._push(Query.search(attribute, value))
def is_null(self, attribute):
return self._push(Query.is_null(attribute))
def is_not_null(self, attribute):
return self._push(Query.is_not_null(attribute))
def between(self, attribute, start, end):
return self._push(Query.between(attribute, start, end))
def starts_with(self, attribute, value):
return self._push(Query.starts_with(attribute, value))
def ends_with(self, attribute, value):
return self._push(Query.ends_with(attribute, value))
def select(self, attributes):
return self._push(Query.select(attributes))
def cursor_after(self, id):
return self._push(Query.cursor_after(id))
def cursor_before(self, id):
return self._push(Query.cursor_before(id))
def order_asc(self, attribute):
return self._push(Query.order_asc(attribute))
def order_desc(self, attribute):
return self._push(Query.order_desc(attribute))
def order_random(self):
return self._push(Query.order_random())
def limit(self, limit):
return self._push(Query.limit(limit))
def offset(self, offset):
return self._push(Query.offset(offset))
def contains(self, attribute, value):
return self._push(Query.contains(attribute, value))
def contains_any(self, attribute, value):
return self._push(Query.contains_any(attribute, value))
def contains_all(self, attribute, value):
return self._push(Query.contains_all(attribute, value))
def not_contains(self, attribute, value):
return self._push(Query.not_contains(attribute, value))
def not_search(self, attribute, value):
return self._push(Query.not_search(attribute, value))
def not_between(self, attribute, start, end):
return self._push(Query.not_between(attribute, start, end))
def not_starts_with(self, attribute, value):
return self._push(Query.not_starts_with(attribute, value))
def not_ends_with(self, attribute, value):
return self._push(Query.not_ends_with(attribute, value))
def regex(self, attribute, pattern):
return self._push(Query.regex(attribute, pattern))
def exists(self, attributes):
return self._push(Query.exists(attributes))
def not_exists(self, attributes):
return self._push(Query.not_exists(attributes))
def created_before(self, value):
return self._push(Query.created_before(value))
def created_after(self, value):
return self._push(Query.created_after(value))
def created_between(self, start, end):
return self._push(Query.created_between(start, end))
def updated_before(self, value):
return self._push(Query.updated_before(value))
def updated_after(self, value):
return self._push(Query.updated_after(value))
def updated_between(self, start, end):
return self._push(Query.updated_between(start, end))
def or_queries(self, queries):
return self._push(Query.or_queries(queries))
def and_queries(self, queries):
return self._push(Query.and_queries(queries))
def elem_match(self, attribute, queries):
return self._push(Query.elem_match(attribute, queries))
def relationship(self, attribute, queries):
return self._push(Query.relationship(attribute, queries))
def distance_equal(self, attribute, values, distance, meters=True):
return self._push(Query.distance_equal(attribute, values, distance, meters))
def distance_not_equal(self, attribute, values, distance, meters=True):
return self._push(Query.distance_not_equal(attribute, values, distance, meters))
def distance_greater_than(self, attribute, values, distance, meters=True):
return self._push(Query.distance_greater_than(attribute, values, distance, meters))
def distance_less_than(self, attribute, values, distance, meters=True):
return self._push(Query.distance_less_than(attribute, values, distance, meters))
def intersects(self, attribute, values):
return self._push(Query.intersects(attribute, values))
def not_intersects(self, attribute, values):
return self._push(Query.not_intersects(attribute, values))
def crosses(self, attribute, values):
return self._push(Query.crosses(attribute, values))
def not_crosses(self, attribute, values):
return self._push(Query.not_crosses(attribute, values))
def overlaps(self, attribute, values):
return self._push(Query.overlaps(attribute, values))
def not_overlaps(self, attribute, values):
return self._push(Query.not_overlaps(attribute, values))
def touches(self, attribute, values):
return self._push(Query.touches(attribute, values))
def not_touches(self, attribute, values):
return self._push(Query.not_touches(attribute, values))
def count(self, attribute='*', alias=''):
return self._push(Query.count(attribute, alias))
def count_distinct(self, attribute, alias=''):
return self._push(Query.count_distinct(attribute, alias))
def sum(self, attribute, alias=''):
return self._push(Query.sum(attribute, alias))
def avg(self, attribute, alias=''):
return self._push(Query.avg(attribute, alias))
def min(self, attribute, alias=''):
return self._push(Query.min(attribute, alias))
def max(self, attribute, alias=''):
return self._push(Query.max(attribute, alias))
def stddev(self, attribute, alias=''):
return self._push(Query.stddev(attribute, alias))
def stddev_pop(self, attribute, alias=''):
return self._push(Query.stddev_pop(attribute, alias))
def stddev_samp(self, attribute, alias=''):
return self._push(Query.stddev_samp(attribute, alias))
def variance(self, attribute, alias=''):
return self._push(Query.variance(attribute, alias))
def var_pop(self, attribute, alias=''):
return self._push(Query.var_pop(attribute, alias))
def var_samp(self, attribute, alias=''):
return self._push(Query.var_samp(attribute, alias))
def bit_and(self, attribute, alias=''):
return self._push(Query.bit_and(attribute, alias))
def bit_or(self, attribute, alias=''):
return self._push(Query.bit_or(attribute, alias))
def bit_xor(self, attribute, alias=''):
return self._push(Query.bit_xor(attribute, alias))
def group_by(self, attributes):
return self._push(Query.group_by(attributes))
def having(self, queries):
return self._push(Query.having(queries))
def distinct(self):
return self._push(Query.distinct())
def join(self, table, left, right='', operator='=', alias=''):
return self._push(Query.join(table, left, right, operator, alias))
def left_join(self, table, left, right='', operator='=', alias=''):
return self._push(Query.left_join(table, left, right, operator, alias))
def right_join(self, table, left, right='', operator='=', alias=''):
return self._push(Query.right_join(table, left, right, operator, alias))
def full_outer_join(self, table, left, right='', operator='=', alias=''):
return self._push(Query.full_outer_join(table, left, right, operator, alias))
def cross_join(self, table, alias=''):
return self._push(Query.cross_join(table, alias))
def vector_dot(self, attribute, vector):
return self._push(Query.vector_dot(attribute, vector))
def vector_cosine(self, attribute, vector):
return self._push(Query.vector_cosine(attribute, vector))
def vector_euclidean(self, attribute, vector):
return self._push(Query.vector_euclidean(attribute, vector))
def covers(self, attribute, values):
return self._push(Query.covers(attribute, values))
def not_covers(self, attribute, values):
return self._push(Query.not_covers(attribute, values))
def spatial_equals(self, attribute, values):
return self._push(Query.spatial_equals(attribute, values))
def not_spatial_equals(self, attribute, values):
return self._push(Query.not_spatial_equals(attribute, values))
def page(self, page, per_page=25):
return self._push(Query.page(page, per_page))
def _push(self, query):
if isinstance(query, list):
self._queries.extend(query)
else:
self._queries.append(query)
return self
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