INSTRUCTION
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Gets a re - labeled clone of this expression.
|
def relabeled_clone(self, relabels):
"""Gets a re-labeled clone of this expression."""
return self.__class__(
relabels.get(self.alias, self.alias),
self.target,
self.hstore_key,
self.output_field
)
|
Resolves the expression into a: see: HStoreColumn expression.
|
def resolve_expression(self, *args, **kwargs) -> HStoreColumn:
"""Resolves the expression into a :see:HStoreColumn expression."""
original_expression = super().resolve_expression(*args, **kwargs)
expression = HStoreColumn(
original_expression.alias,
original_expression.target,
self.key
)
return expression
|
Compiles this expression into SQL.
|
def as_sql(self, compiler, connection):
"""Compiles this expression into SQL."""
sql, params = super().as_sql(compiler, connection)
return 'EXTRACT(epoch FROM {})'.format(sql), params
|
Renames the aliases for the specified annotations:
|
def rename_annotations(self, annotations) -> None:
"""Renames the aliases for the specified annotations:
.annotate(myfield=F('somestuf__myfield'))
.rename_annotations(myfield='field')
Arguments:
annotations:
The annotations to rename. Mapping the
old name to the new name.
"""
for old_name, new_name in annotations.items():
annotation = self.annotations.get(old_name)
if not annotation:
raise SuspiciousOperation((
'Cannot rename annotation "{old_name}" to "{new_name}", because there'
' is no annotation named "{old_name}".'
).format(old_name=old_name, new_name=new_name))
self._annotations = OrderedDict(
[(new_name, v) if k == old_name else (k, v) for k, v in self._annotations.items()])
if django.VERSION < (2, 0):
self.set_annotation_mask(
(new_name if v == old_name else v for v in (self.annotation_select_mask or [])))
|
Adds an extra condition to an existing JOIN.
|
def add_join_conditions(self, conditions: Dict[str, Any]) -> None:
"""Adds an extra condition to an existing JOIN.
This allows you to for example do:
INNER JOIN othertable ON (mytable.id = othertable.other_id AND [extra conditions])
This does not work if nothing else in your query doesn't already generate the
initial join in the first place.
"""
alias = self.get_initial_alias()
opts = self.get_meta()
for name, value in conditions.items():
parts = name.split(LOOKUP_SEP)
join_info = self.setup_joins(parts, opts, alias, allow_many=True)
self.trim_joins(join_info[1], join_info[3], join_info[4])
target_table = join_info[3][-1]
field = join_info[1][-1]
join = self.alias_map.get(target_table)
if not join:
raise SuspiciousOperation((
'Cannot add an extra join condition for "%s", there\'s no'
' existing join to add it to.'
) % target_table)
# convert the Join object into a ConditionalJoin object, which
# allows us to add the extra condition
if not isinstance(join, ConditionalJoin):
self.alias_map[target_table] = ConditionalJoin.from_join(join)
join = self.alias_map[target_table]
join.add_condition(field, value)
|
Adds the given ( model ) fields to the select set. The field names are added in the order specified.
|
def add_fields(self, field_names: List[str], allow_m2m: bool=True) -> bool:
"""
Adds the given (model) fields to the select set. The field names are
added in the order specified.
This overrides the base class's add_fields method. This is called by
the .values() or .values_list() method of the query set. It instructs
the ORM to only select certain values. A lot of processing is neccesarry
because it can be used to easily do joins. For example, `my_fk__name` pulls
in the `name` field in foreign key `my_fk`.
In our case, we want to be able to do `title__en`, where `title` is a HStoreField
and `en` a key. This doesn't really involve a join. We iterate over the specified
field names and filter out the ones that refer to HStoreField and compile it into
an expression which is added to the list of to be selected fields using `self.add_select`.
"""
alias = self.get_initial_alias()
opts = self.get_meta()
cols = []
for name in field_names:
parts = name.split(LOOKUP_SEP)
# it cannot be a special hstore thing if there's no __ in it
if len(parts) > 1:
column_name, hstore_key = parts[:2]
is_hstore, field = self._is_hstore_field(column_name)
if is_hstore:
cols.append(
HStoreColumn(self.model._meta.db_table or self.model.name, field, hstore_key)
)
continue
join_info = self.setup_joins(parts, opts, alias, allow_many=allow_m2m)
targets, final_alias, joins = self.trim_joins(
join_info[1], join_info[3], join_info[4]
)
for target in targets:
cols.append(target.get_col(final_alias))
if cols:
self.set_select(cols)
|
Gets whether the field with the specified name is a HStoreField.
|
def _is_hstore_field(self, field_name: str) -> Tuple[bool, Optional[models.Field]]:
"""Gets whether the field with the specified name is a
HStoreField.
Returns
A tuple of a boolean indicating whether the field
with the specified name is a HStoreField, and the
field instance.
"""
field_instance = None
for field in self.model._meta.local_concrete_fields:
if field.name == field_name or field.column == field_name:
field_instance = field
break
return isinstance(field_instance, HStoreField), field_instance
|
Sets the values to be used in this query.
|
def values(self, objs: List, insert_fields: List, update_fields: List=[]):
"""Sets the values to be used in this query.
Insert fields are fields that are definitely
going to be inserted, and if an existing row
is found, are going to be overwritten with the
specified value.
Update fields are fields that should be overwritten
in case an update takes place rather than an insert.
If we're dealing with a INSERT, these will not be used.
Arguments:
objs:
The objects to apply this query to.
insert_fields:
The fields to use in the INSERT statement
update_fields:
The fields to only use in the UPDATE statement.
"""
self.insert_values(insert_fields, objs, raw=False)
self.update_fields = update_fields
|
Ran when a new model is created.
|
def create_model(self, model):
"""Ran when a new model is created."""
for field in model._meta.local_fields:
if not isinstance(field, HStoreField):
continue
self.add_field(model, field)
|
Ran when a model is being deleted.
|
def delete_model(self, model):
"""Ran when a model is being deleted."""
for field in model._meta.local_fields:
if not isinstance(field, HStoreField):
continue
self.remove_field(model, field)
|
Ran when the name of a model is changed.
|
def alter_db_table(self, model, old_db_table, new_db_table):
"""Ran when the name of a model is changed."""
for field in model._meta.local_fields:
if not isinstance(field, HStoreField):
continue
for key in self._iterate_required_keys(field):
self._rename_hstore_required(
old_db_table,
new_db_table,
field,
field,
key
)
|
Ran when a field is added to a model.
|
def add_field(self, model, field):
"""Ran when a field is added to a model."""
for key in self._iterate_required_keys(field):
self._create_hstore_required(
model._meta.db_table,
field,
key
)
|
Ran when a field is removed from a model.
|
def remove_field(self, model, field):
"""Ran when a field is removed from a model."""
for key in self._iterate_required_keys(field):
self._drop_hstore_required(
model._meta.db_table,
field,
key
)
|
Ran when the configuration on a field changed.
|
def alter_field(self, model, old_field, new_field, strict=False):
"""Ran when the configuration on a field changed."""
is_old_field_hstore = isinstance(old_field, HStoreField)
is_new_field_hstore = isinstance(new_field, HStoreField)
if not is_old_field_hstore and not is_new_field_hstore:
return
old_required = getattr(old_field, 'required', []) or []
new_required = getattr(new_field, 'required', []) or []
# handle field renames before moving on
if str(old_field.column) != str(new_field.column):
for key in self._iterate_required_keys(old_field):
self._rename_hstore_required(
model._meta.db_table,
model._meta.db_table,
old_field,
new_field,
key
)
# drop the constraints for keys that have been removed
for key in old_required:
if key not in new_required:
self._drop_hstore_required(
model._meta.db_table,
old_field,
key
)
# create new constraints for keys that have been added
for key in new_required:
if key not in old_required:
self._create_hstore_required(
model._meta.db_table,
new_field,
key
)
|
Creates a REQUIRED CONSTRAINT for the specified hstore key.
|
def _create_hstore_required(self, table_name, field, key):
"""Creates a REQUIRED CONSTRAINT for the specified hstore key."""
name = self._required_constraint_name(
table_name, field, key)
sql = self.sql_hstore_required_create.format(
name=self.quote_name(name),
table=self.quote_name(table_name),
field=self.quote_name(field.column),
key=key
)
self.execute(sql)
|
Renames an existing REQUIRED CONSTRAINT for the specified hstore key.
|
def _rename_hstore_required(self, old_table_name, new_table_name,
old_field, new_field, key):
"""Renames an existing REQUIRED CONSTRAINT for the specified
hstore key."""
old_name = self._required_constraint_name(
old_table_name, old_field, key)
new_name = self._required_constraint_name(
new_table_name, new_field, key)
sql = self.sql_hstore_required_rename.format(
table=self.quote_name(new_table_name),
old_name=self.quote_name(old_name),
new_name=self.quote_name(new_name)
)
self.execute(sql)
|
Drops a REQUIRED CONSTRAINT for the specified hstore key.
|
def _drop_hstore_required(self, table_name, field, key):
"""Drops a REQUIRED CONSTRAINT for the specified hstore key."""
name = self._required_constraint_name(
table_name, field, key)
sql = self.sql_hstore_required_drop.format(
table=self.quote_name(table_name),
name=self.quote_name(name)
)
self.execute(sql)
|
Gets the name for a CONSTRAINT that applies to a single hstore key.
|
def _required_constraint_name(table: str, field, key):
"""Gets the name for a CONSTRAINT that applies
to a single hstore key.
Arguments:
table:
The name of the table the field is
a part of.
field:
The hstore field to create a
UNIQUE INDEX for.
key:
The name of the hstore key
to create the name for.
Returns:
The name for the UNIQUE index.
"""
return '{table}_{field}_required_{postfix}'.format(
table=table,
field=field.column,
postfix=key
)
|
Creates the actual SQL used when applying the migration.
|
def create_sql(self, model, schema_editor, using=''):
"""Creates the actual SQL used when applying the migration."""
if django.VERSION >= (2, 0):
statement = super().create_sql(model, schema_editor, using)
statement.template = self.sql_create_index
statement.parts['condition'] = self.condition
return statement
else:
sql_create_index = self.sql_create_index
sql_parameters = {
**Index.get_sql_create_template_values(self, model, schema_editor, using),
'condition': self.condition
}
return sql_create_index % sql_parameters
|
Serializes the: see: ConditionalUniqueIndex for the migrations file.
|
def deconstruct(self):
"""Serializes the :see:ConditionalUniqueIndex for the migrations file."""
path = '%s.%s' % (self.__class__.__module__, self.__class__.__name__)
path = path.replace('django.db.models.indexes', 'django.db.models')
return path, (), {'fields': self.fields, 'name': self.name, 'condition': self.condition}
|
Creates a custom setup. py command.
|
def create_command(text, commands):
"""Creates a custom setup.py command."""
class CustomCommand(BaseCommand):
description = text
def run(self):
for cmd in commands:
subprocess.check_call(cmd)
return CustomCommand
|
Gets the base class for the custom database back - end.
|
def _get_backend_base():
"""Gets the base class for the custom database back-end.
This should be the Django PostgreSQL back-end. However,
some people are already using a custom back-end from
another package. We are nice people and expose an option
that allows them to configure the back-end we base upon.
As long as the specified base eventually also has
the PostgreSQL back-end as a base, then everything should
work as intended.
"""
base_class_name = getattr(
settings,
'POSTGRES_EXTRA_DB_BACKEND_BASE',
'django.db.backends.postgresql'
)
base_class_module = importlib.import_module(base_class_name + '.base')
base_class = getattr(base_class_module, 'DatabaseWrapper', None)
if not base_class:
raise ImproperlyConfigured((
'\'%s\' is not a valid database back-end.'
' The module does not define a DatabaseWrapper class.'
' Check the value of POSTGRES_EXTRA_DB_BACKEND_BASE.'
) % base_class_name)
if isinstance(base_class, Psycopg2DatabaseWrapper):
raise ImproperlyConfigured((
'\'%s\' is not a valid database back-end.'
' It does inherit from the PostgreSQL back-end.'
' Check the value of POSTGRES_EXTRA_DB_BACKEND_BASE.'
) % base_class_name)
return base_class
|
Ran when a new model is created.
|
def create_model(self, model):
"""Ran when a new model is created."""
super().create_model(model)
for mixin in self.post_processing_mixins:
mixin.create_model(model)
|
Ran when a model is being deleted.
|
def delete_model(self, model):
"""Ran when a model is being deleted."""
for mixin in self.post_processing_mixins:
mixin.delete_model(model)
super().delete_model(model)
|
Ran when the name of a model is changed.
|
def alter_db_table(self, model, old_db_table, new_db_table):
"""Ran when the name of a model is changed."""
super(SchemaEditor, self).alter_db_table(
model, old_db_table, new_db_table
)
for mixin in self.post_processing_mixins:
mixin.alter_db_table(
model,
old_db_table,
new_db_table
)
|
Ran when a field is added to a model.
|
def add_field(self, model, field):
"""Ran when a field is added to a model."""
super(SchemaEditor, self).add_field(model, field)
for mixin in self.post_processing_mixins:
mixin.add_field(model, field)
|
Ran when a field is removed from a model.
|
def remove_field(self, model, field):
"""Ran when a field is removed from a model."""
for mixin in self.post_processing_mixins:
mixin.remove_field(model, field)
super(SchemaEditor, self).remove_field(model, field)
|
Ran when the configuration on a field changed.
|
def alter_field(self, model, old_field, new_field, strict=False):
"""Ran when the configuration on a field changed."""
super(SchemaEditor, self).alter_field(
model, old_field, new_field, strict
)
for mixin in self.post_processing_mixins:
mixin.alter_field(
model, old_field, new_field, strict
)
|
Ran to prepare the configured database.
|
def prepare_database(self):
"""Ran to prepare the configured database.
This is where we enable the `hstore` extension
if it wasn't enabled yet."""
super().prepare_database()
with self.cursor() as cursor:
try:
cursor.execute('CREATE EXTENSION IF NOT EXISTS hstore')
except ProgrammingError: # permission denied
logger.warning(
'Failed to create "hstore" extension. '
'Tables with hstore columns may fail to migrate. '
'If hstore is needed, make sure you are connected '
'to the database as a superuser '
'or add the extension manually.',
exc_info=True)
|
Override the base class so it doesn t cast all values to strings.
|
def get_prep_value(self, value):
"""Override the base class so it doesn't cast all values
to strings.
psqlextra supports expressions in hstore fields, so casting
all values to strings is a bad idea."""
value = Field.get_prep_value(self, value)
if isinstance(value, dict):
prep_value = {}
for key, val in value.items():
if isinstance(val, Expression):
prep_value[key] = val
elif val is not None:
prep_value[key] = str(val)
else:
prep_value[key] = val
value = prep_value
if isinstance(value, list):
value = [str(item) for item in value]
return value
|
Gets the values to pass to: see: __init__ when re - creating this object.
|
def deconstruct(self):
"""Gets the values to pass to :see:__init__ when
re-creating this object."""
name, path, args, kwargs = super(
HStoreField, self).deconstruct()
if self.uniqueness is not None:
kwargs['uniqueness'] = self.uniqueness
if self.required is not None:
kwargs['required'] = self.required
return name, path, args, kwargs
|
Extra prep on query values by converting dictionaries into: see: HStoreValue expressions.
|
def _prepare_query_values(self):
"""Extra prep on query values by converting
dictionaries into :see:HStoreValue expressions.
This allows putting expressions in a dictionary.
The :see:HStoreValue will take care of resolving
the expressions inside the dictionary."""
new_query_values = []
for field, model, val in self.query.values:
if isinstance(val, dict):
val = HStoreValue(val)
new_query_values.append((
field,
model,
val
))
self.query.values = new_query_values
|
Builds the RETURNING part of the query.
|
def _form_returning(self):
"""Builds the RETURNING part of the query."""
qn = self.connection.ops.quote_name
return ' RETURNING %s' % qn(self.query.model._meta.pk.attname)
|
Builds the SQL INSERT statement.
|
def as_sql(self, return_id=False):
"""Builds the SQL INSERT statement."""
queries = [
self._rewrite_insert(sql, params, return_id)
for sql, params in super().as_sql()
]
return queries
|
Rewrites a formed SQL INSERT query to include the ON CONFLICT clause.
|
def _rewrite_insert(self, sql, params, return_id=False):
"""Rewrites a formed SQL INSERT query to include
the ON CONFLICT clause.
Arguments:
sql:
The SQL INSERT query to rewrite.
params:
The parameters passed to the query.
returning:
What to put in the `RETURNING` clause
of the resulting query.
Returns:
A tuple of the rewritten SQL query and new params.
"""
returning = self.qn(self.query.model._meta.pk.attname) if return_id else '*'
if self.query.conflict_action.value == 'UPDATE':
return self._rewrite_insert_update(sql, params, returning)
elif self.query.conflict_action.value == 'NOTHING':
return self._rewrite_insert_nothing(sql, params, returning)
raise SuspiciousOperation((
'%s is not a valid conflict action, specify '
'ConflictAction.UPDATE or ConflictAction.NOTHING.'
) % str(self.query.conflict_action))
|
Rewrites a formed SQL INSERT query to include the ON CONFLICT DO UPDATE clause.
|
def _rewrite_insert_update(self, sql, params, returning):
"""Rewrites a formed SQL INSERT query to include
the ON CONFLICT DO UPDATE clause."""
update_columns = ', '.join([
'{0} = EXCLUDED.{0}'.format(self.qn(field.column))
for field in self.query.update_fields
])
# build the conflict target, the columns to watch
# for conflicts
conflict_target = self._build_conflict_target()
index_predicate = self.query.index_predicate
sql_template = (
'{insert} ON CONFLICT {conflict_target} DO UPDATE '
'SET {update_columns} RETURNING {returning}'
)
if index_predicate:
sql_template = (
'{insert} ON CONFLICT {conflict_target} WHERE {index_predicate} DO UPDATE '
'SET {update_columns} RETURNING {returning}'
)
return (
sql_template.format(
insert=sql,
conflict_target=conflict_target,
update_columns=update_columns,
returning=returning,
index_predicate=index_predicate,
),
params
)
|
Rewrites a formed SQL INSERT query to include the ON CONFLICT DO NOTHING clause.
|
def _rewrite_insert_nothing(self, sql, params, returning):
"""Rewrites a formed SQL INSERT query to include
the ON CONFLICT DO NOTHING clause."""
# build the conflict target, the columns to watch
# for conflicts
conflict_target = self._build_conflict_target()
where_clause = ' AND '.join([
'{0} = %s'.format(self._format_field_name(field_name))
for field_name in self.query.conflict_target
])
where_clause_params = [
self._format_field_value(field_name)
for field_name in self.query.conflict_target
]
params = params + tuple(where_clause_params)
# this looks complicated, and it is, but it is for a reason... a normal
# ON CONFLICT DO NOTHING doesn't return anything if the row already exists
# so we do DO UPDATE instead that never executes to lock the row, and then
# select from the table in case we're dealing with an existing row..
return (
(
'WITH insdata AS ('
'{insert} ON CONFLICT {conflict_target} DO UPDATE'
' SET {pk_column} = NULL WHERE FALSE RETURNING {returning})'
' SELECT * FROM insdata UNION ALL'
' SELECT {returning} FROM {table} WHERE {where_clause} LIMIT 1;'
).format(
insert=sql,
conflict_target=conflict_target,
pk_column=self.qn(self.query.model._meta.pk.column),
returning=returning,
table=self.query.objs[0]._meta.db_table,
where_clause=where_clause
),
params
)
|
Builds the conflict_target for the ON CONFLICT clause.
|
def _build_conflict_target(self):
"""Builds the `conflict_target` for the ON CONFLICT
clause."""
conflict_target = []
if not isinstance(self.query.conflict_target, list):
raise SuspiciousOperation((
'%s is not a valid conflict target, specify '
'a list of column names, or tuples with column '
'names and hstore key.'
) % str(self.query.conflict_target))
def _assert_valid_field(field_name):
field_name = self._normalize_field_name(field_name)
if self._get_model_field(field_name):
return
raise SuspiciousOperation((
'%s is not a valid conflict target, specify '
'a list of column names, or tuples with column '
'names and hstore key.'
) % str(field_name))
for field_name in self.query.conflict_target:
_assert_valid_field(field_name)
# special handling for hstore keys
if isinstance(field_name, tuple):
conflict_target.append(
'(%s->\'%s\')' % (
self._format_field_name(field_name),
field_name[1]
)
)
else:
conflict_target.append(
self._format_field_name(field_name))
return '(%s)' % ','.join(conflict_target)
|
Gets the field on a model with the specified name.
|
def _get_model_field(self, name: str):
"""Gets the field on a model with the specified name.
Arguments:
name:
The name of the field to look for.
This can be both the actual field name, or
the name of the column, both will work :)
Returns:
The field with the specified name or None if
no such field exists.
"""
field_name = self._normalize_field_name(name)
# 'pk' has special meaning and always refers to the primary
# key of a model, we have to respect this de-facto standard behaviour
if field_name == 'pk' and self.query.model._meta.pk:
return self.query.model._meta.pk
for field in self.query.model._meta.local_concrete_fields:
if field.name == field_name or field.column == field_name:
return field
return None
|
Formats a field s name for usage in SQL.
|
def _format_field_name(self, field_name) -> str:
"""Formats a field's name for usage in SQL.
Arguments:
field_name:
The field name to format.
Returns:
The specified field name formatted for
usage in SQL.
"""
field = self._get_model_field(field_name)
return self.qn(field.column)
|
Formats a field s value for usage in SQL.
|
def _format_field_value(self, field_name) -> str:
"""Formats a field's value for usage in SQL.
Arguments:
field_name:
The name of the field to format
the value of.
Returns:
The field's value formatted for usage
in SQL.
"""
field_name = self._normalize_field_name(field_name)
field = self._get_model_field(field_name)
return SQLInsertCompiler.prepare_value(
self,
field,
# Note: this deliberately doesn't use `pre_save_val` as we don't
# want things like auto_now on DateTimeField (etc.) to change the
# value. We rely on pre_save having already been done by the
# underlying compiler so that things like FileField have already had
# the opportunity to save out their data.
getattr(self.query.objs[0], field.attname)
)
|
Normalizes a field name into a string by extracting the field name if it was specified as a reference to a HStore key ( as a tuple ).
|
def _normalize_field_name(self, field_name) -> str:
"""Normalizes a field name into a string by
extracting the field name if it was specified
as a reference to a HStore key (as a tuple).
Arguments:
field_name:
The field name to normalize.
Returns:
The normalized field name.
"""
if isinstance(field_name, tuple):
field_name, _ = field_name
return field_name
|
Ran when the name of a model is changed.
|
def alter_db_table(self, model, old_db_table, new_db_table):
"""Ran when the name of a model is changed."""
for field in model._meta.local_fields:
if not isinstance(field, HStoreField):
continue
for keys in self._iterate_uniqueness_keys(field):
self._rename_hstore_unique(
old_db_table,
new_db_table,
field,
field,
keys
)
|
Ran when a field is added to a model.
|
def add_field(self, model, field):
"""Ran when a field is added to a model."""
for keys in self._iterate_uniqueness_keys(field):
self._create_hstore_unique(
model,
field,
keys
)
|
Ran when a field is removed from a model.
|
def remove_field(self, model, field):
"""Ran when a field is removed from a model."""
for keys in self._iterate_uniqueness_keys(field):
self._drop_hstore_unique(
model,
field,
keys
)
|
Ran when the configuration on a field changed.
|
def alter_field(self, model, old_field, new_field, strict=False):
"""Ran when the configuration on a field changed."""
is_old_field_hstore = isinstance(old_field, HStoreField)
is_new_field_hstore = isinstance(new_field, HStoreField)
if not is_old_field_hstore and not is_new_field_hstore:
return
old_uniqueness = getattr(old_field, 'uniqueness', []) or []
new_uniqueness = getattr(new_field, 'uniqueness', []) or []
# handle field renames before moving on
if str(old_field.column) != str(new_field.column):
for keys in self._iterate_uniqueness_keys(old_field):
self._rename_hstore_unique(
model._meta.db_table,
model._meta.db_table,
old_field,
new_field,
keys
)
# drop the indexes for keys that have been removed
for keys in old_uniqueness:
if keys not in new_uniqueness:
self._drop_hstore_unique(
model,
old_field,
self._compose_keys(keys)
)
# create new indexes for keys that have been added
for keys in new_uniqueness:
if keys not in old_uniqueness:
self._create_hstore_unique(
model,
new_field,
self._compose_keys(keys)
)
|
Creates a UNIQUE constraint for the specified hstore keys.
|
def _create_hstore_unique(self, model, field, keys):
"""Creates a UNIQUE constraint for the specified hstore keys."""
name = self._unique_constraint_name(
model._meta.db_table, field, keys)
columns = [
'(%s->\'%s\')' % (field.column, key)
for key in keys
]
sql = self.sql_hstore_unique_create.format(
name=self.quote_name(name),
table=self.quote_name(model._meta.db_table),
columns=','.join(columns)
)
self.execute(sql)
|
Renames an existing UNIQUE constraint for the specified hstore keys.
|
def _rename_hstore_unique(self, old_table_name, new_table_name,
old_field, new_field, keys):
"""Renames an existing UNIQUE constraint for the specified
hstore keys."""
old_name = self._unique_constraint_name(
old_table_name, old_field, keys)
new_name = self._unique_constraint_name(
new_table_name, new_field, keys)
sql = self.sql_hstore_unique_rename.format(
old_name=self.quote_name(old_name),
new_name=self.quote_name(new_name)
)
self.execute(sql)
|
Drops a UNIQUE constraint for the specified hstore keys.
|
def _drop_hstore_unique(self, model, field, keys):
"""Drops a UNIQUE constraint for the specified hstore keys."""
name = self._unique_constraint_name(
model._meta.db_table, field, keys)
sql = self.sql_hstore_unique_drop.format(name=self.quote_name(name))
self.execute(sql)
|
Gets the name for a UNIQUE INDEX that applies to one or more keys in a hstore field.
|
def _unique_constraint_name(table: str, field, keys):
"""Gets the name for a UNIQUE INDEX that applies
to one or more keys in a hstore field.
Arguments:
table:
The name of the table the field is
a part of.
field:
The hstore field to create a
UNIQUE INDEX for.
key:
The name of the hstore key
to create the name for.
This can also be a tuple
of multiple names.
Returns:
The name for the UNIQUE index.
"""
postfix = '_'.join(keys)
return '{table}_{field}_unique_{postfix}'.format(
table=table,
field=field.column,
postfix=postfix
)
|
Iterates over the keys marked as unique in the specified field.
|
def _iterate_uniqueness_keys(self, field):
"""Iterates over the keys marked as "unique"
in the specified field.
Arguments:
field:
The field of which key's to
iterate over.
"""
uniqueness = getattr(field, 'uniqueness', None)
if not uniqueness:
return
for keys in uniqueness:
composed_keys = self._compose_keys(keys)
yield composed_keys
|
Adds an extra condition to this join.
|
def add_condition(self, field, value: Any) -> None:
"""Adds an extra condition to this join.
Arguments:
field:
The field that the condition will apply to.
value:
The value to compare.
"""
self.extra_conditions.append((field, value))
|
Compiles this JOIN into a SQL string.
|
def as_sql(self, compiler, connection) -> Tuple[str, List[Any]]:
"""Compiles this JOIN into a SQL string."""
sql, params = super().as_sql(compiler, connection)
qn = compiler.quote_name_unless_alias
# generate the extra conditions
extra_conditions = ' AND '.join([
'{}.{} = %s'.format(
qn(self.table_name),
qn(field.column)
)
for field, value in self.extra_conditions
])
# add to the existing params, so the connector will
# actually nicely format the value for us
for _, value in self.extra_conditions:
params.append(value)
# rewrite the sql to include the extra conditions
rewritten_sql = sql.replace(')', ' AND {})'.format(extra_conditions))
return rewritten_sql, params
|
Creates a new: see: ConditionalJoin from the specified: see: Join object.
|
def from_join(cls, join: Join) -> 'ConditionalJoin':
"""Creates a new :see:ConditionalJoin from the
specified :see:Join object.
Arguments:
join:
The :see:Join object to create the
:see:ConditionalJoin object from.
Returns:
A :see:ConditionalJoin object created from
the :see:Join object.
"""
return cls(
join.table_name,
join.parent_alias,
join.table_alias,
join.join_type,
join.join_field,
join.nullable
)
|
Approximate the 95% confidence interval for Student s T distribution.
|
def tdist95conf_level(df):
"""Approximate the 95% confidence interval for Student's T distribution.
Given the degrees of freedom, returns an approximation to the 95%
confidence interval for the Student's T distribution.
Args:
df: An integer, the number of degrees of freedom.
Returns:
A float.
"""
df = int(round(df))
highest_table_df = len(_T_DIST_95_CONF_LEVELS)
if df >= 200:
return 1.960
if df >= 100:
return 1.984
if df >= 80:
return 1.990
if df >= 60:
return 2.000
if df >= 50:
return 2.009
if df >= 40:
return 2.021
if df >= highest_table_df:
return _T_DIST_95_CONF_LEVELS[highest_table_df - 1]
return _T_DIST_95_CONF_LEVELS[df]
|
Find the pooled sample variance for two samples.
|
def pooled_sample_variance(sample1, sample2):
"""Find the pooled sample variance for two samples.
Args:
sample1: one sample.
sample2: the other sample.
Returns:
Pooled sample variance, as a float.
"""
deg_freedom = len(sample1) + len(sample2) - 2
mean1 = statistics.mean(sample1)
squares1 = ((x - mean1) ** 2 for x in sample1)
mean2 = statistics.mean(sample2)
squares2 = ((x - mean2) ** 2 for x in sample2)
return (math.fsum(squares1) + math.fsum(squares2)) / float(deg_freedom)
|
Calculate a t - test score for the difference between two samples.
|
def tscore(sample1, sample2):
"""Calculate a t-test score for the difference between two samples.
Args:
sample1: one sample.
sample2: the other sample.
Returns:
The t-test score, as a float.
"""
if len(sample1) != len(sample2):
raise ValueError("different number of values")
error = pooled_sample_variance(sample1, sample2) / len(sample1)
diff = statistics.mean(sample1) - statistics.mean(sample2)
return diff / math.sqrt(error * 2)
|
Determine whether two samples differ significantly.
|
def is_significant(sample1, sample2):
"""Determine whether two samples differ significantly.
This uses a Student's two-sample, two-tailed t-test with alpha=0.95.
Args:
sample1: one sample.
sample2: the other sample.
Returns:
(significant, t_score) where significant is a bool indicating whether
the two samples differ significantly; t_score is the score from the
two-sample T test.
"""
deg_freedom = len(sample1) + len(sample2) - 2
critical_value = tdist95conf_level(deg_freedom)
t_score = tscore(sample1, sample2)
return (abs(t_score) >= critical_value, t_score)
|
Return a topological sorting of nodes in a graph.
|
def topoSort(roots, getParents):
"""Return a topological sorting of nodes in a graph.
roots - list of root nodes to search from
getParents - function which returns the parents of a given node
"""
results = []
visited = set()
# Use iterative version to avoid stack limits for large datasets
stack = [(node, 0) for node in roots]
while stack:
current, state = stack.pop()
if state == 0:
# before recursing
if current not in visited:
visited.add(current)
stack.append((current, 1))
stack.extend((parent, 0) for parent in getParents(current))
else:
# after recursing
assert(current in visited)
results.append(current)
return results
|
permutations ( range ( 3 ) 2 ) -- > ( 0 1 ) ( 0 2 ) ( 1 0 ) ( 1 2 ) ( 2 0 ) ( 2 1 )
|
def permutations(iterable, r=None):
"""permutations(range(3), 2) --> (0,1) (0,2) (1,0) (1,2) (2,0) (2,1)"""
pool = tuple(iterable)
n = len(pool)
if r is None:
r = n
indices = list(range(n))
cycles = list(range(n - r + 1, n + 1))[::-1]
yield tuple(pool[i] for i in indices[:r])
while n:
for i in reversed(range(r)):
cycles[i] -= 1
if cycles[i] == 0:
indices[i:] = indices[i + 1:] + indices[i:i + 1]
cycles[i] = n - i
else:
j = cycles[i]
indices[i], indices[-j] = indices[-j], indices[i]
yield tuple(pool[i] for i in indices[:r])
break
else:
return
|
N - Queens solver.
|
def n_queens(queen_count):
"""N-Queens solver.
Args:
queen_count: the number of queens to solve for. This is also the
board size.
Yields:
Solutions to the problem. Each yielded value is looks like
(3, 8, 2, 1, 4, ..., 6) where each number is the column position for the
queen, and the index into the tuple indicates the row.
"""
cols = range(queen_count)
for vec in permutations(cols):
if (queen_count == len(set(vec[i] + i for i in cols))
== len(set(vec[i] - i for i in cols))):
yield vec
|
uct tree search
|
def play(self, board):
""" uct tree search """
color = board.color
node = self
path = [node]
while True:
pos = node.select(board)
if pos == PASS:
break
board.move(pos)
child = node.pos_child[pos]
if not child:
child = node.pos_child[pos] = UCTNode()
child.unexplored = board.useful_moves()
child.pos = pos
child.parent = node
path.append(child)
break
path.append(child)
node = child
self.random_playout(board)
self.update_path(board, color, path)
|
select move ; unexplored children first then according to uct value
|
def select(self, board):
""" select move; unexplored children first, then according to uct value """
if self.unexplored:
i = random.randrange(len(self.unexplored))
pos = self.unexplored[i]
self.unexplored[i] = self.unexplored[len(self.unexplored) - 1]
self.unexplored.pop()
return pos
elif self.bestchild:
return self.bestchild.pos
else:
return PASS
|
random play until both players pass
|
def random_playout(self, board):
""" random play until both players pass """
for x in range(MAXMOVES): # XXX while not self.finished?
if board.finished:
break
board.move(board.random_move())
|
update win/ loss count along path
|
def update_path(self, board, color, path):
""" update win/loss count along path """
wins = board.score(BLACK) >= board.score(WHITE)
for node in path:
if color == BLACK:
color = WHITE
else:
color = BLACK
if wins == (color == BLACK):
node.wins += 1
else:
node.losses += 1
if node.parent:
node.parent.bestchild = node.parent.best_child()
|
Filters out benchmarks not supported by both Pythons.
|
def filter_benchmarks(benchmarks, bench_funcs, base_ver):
"""Filters out benchmarks not supported by both Pythons.
Args:
benchmarks: a set() of benchmark names
bench_funcs: dict mapping benchmark names to functions
python: the interpereter commands (as lists)
Returns:
The filtered set of benchmark names
"""
for bm in list(benchmarks):
func = bench_funcs[bm]
if getattr(func, '_python2_only', False) and (3, 0) <= base_ver:
benchmarks.discard(bm)
logging.info("Skipping Python2-only benchmark %s; "
"not compatible with Python %s" % (bm, base_ver))
continue
return benchmarks
|
Recursively expand name benchmark names.
|
def expand_benchmark_name(bm_name, bench_groups):
"""Recursively expand name benchmark names.
Args:
bm_name: string naming a benchmark or benchmark group.
Yields:
Names of actual benchmarks, with all group names fully expanded.
"""
expansion = bench_groups.get(bm_name)
if expansion:
for name in expansion:
for name in expand_benchmark_name(name, bench_groups):
yield name
else:
yield bm_name
|
Generates the list of strings that will be used in the benchmarks.
|
def gen_string_table(n):
"""Generates the list of strings that will be used in the benchmarks.
All strings have repeated prefixes and suffices, and n specifies the
number of repetitions.
"""
strings = []
def append(s):
if USE_BYTES_IN_PY3K:
strings.append(s.encode('latin1'))
else:
strings.append(s)
append('-' * n + 'Perl' + '-' * n)
append('P' * n + 'Perl' + 'P' * n)
append('-' * n + 'Perl' + '-' * n)
append('-' * n + 'Perl' + '-' * n)
append('-' * n + 'Python' + '-' * n)
append('P' * n + 'Python' + 'P' * n)
append('-' * n + 'Python' + '-' * n)
append('-' * n + 'Python' + '-' * n)
append('-' * n + 'Python' + '-' * n)
append('-' * n + 'Python' + '-' * n)
append('-' * n + 'Perl' + '-' * n)
append('P' * n + 'Perl' + 'P' * n)
append('-' * n + 'Perl' + '-' * n)
append('-' * n + 'Perl' + '-' * n)
append('-' * n + 'PythonPython' + '-' * n)
append('P' * n + 'PythonPython' + 'P' * n)
append('-' * n + 'a5,b7,c9,' + '-' * n)
append('-' * n + 'a5,b7,c9,' + '-' * n)
append('-' * n + 'a5,b7,c9,' + '-' * n)
append('-' * n + 'a5,b7,c9,' + '-' * n)
append('-' * n + 'Python' + '-' * n)
return strings
|
Initialize the strings we ll run the regexes against.
|
def init_benchmarks(n_values=None):
"""Initialize the strings we'll run the regexes against.
The strings used in the benchmark are prefixed and suffixed by
strings that are repeated n times.
The sequence n_values contains the values for n.
If n_values is None the values of n from the original benchmark
are used.
The generated list of strings is cached in the string_tables
variable, which is indexed by n.
Returns:
A list of string prefix/suffix lengths.
"""
if n_values is None:
n_values = (0, 5, 50, 250, 1000, 5000, 10000)
string_tables = {n: gen_string_table(n) for n in n_values}
regexs = gen_regex_table()
data = []
for n in n_values:
for id in xrange(len(regexs)):
regex = regexs[id]
string = string_tables[n][id]
data.append((regex, string))
return data
|
Pure - Python implementation of itertools. combinations ( l 2 ).
|
def combinations(l):
"""Pure-Python implementation of itertools.combinations(l, 2)."""
result = []
for x in xrange(len(l) - 1):
ls = l[x + 1:]
for y in ls:
result.append((l[x], y))
return result
|
Returns the domain of the B - Spline
|
def GetDomain(self):
"""Returns the domain of the B-Spline"""
return (self.knots[self.degree - 1],
self.knots[len(self.knots) - self.degree])
|
Fetch the messages.
|
def fetch_items(self, category, **kwargs):
"""Fetch the messages.
:param category: the category of items to fetch
:param kwargs: backend arguments
:returns: a generator of items
"""
from_date = kwargs['from_date']
logger.info("Fetching messages of '%s' - '%s' channel from %s",
self.url, self.channel, str(from_date))
fetching = True
page = 0
nposts = 0
# Convert timestamp to integer for comparing
since = int(from_date.timestamp() * 1000)
while fetching:
raw_posts = self.client.posts(self.channel, page=page)
posts_before = nposts
for post in self._parse_posts(raw_posts):
if post['update_at'] < since:
fetching = False
break
# Fetch user data
user_id = post['user_id']
user = self._get_or_fetch_user(user_id)
post['user_data'] = user
yield post
nposts += 1
if fetching:
# If no new posts were fetched; stop the process
if posts_before == nposts:
fetching = False
else:
page += 1
logger.info("Fetch process completed: %s posts fetched", nposts)
|
Init client
|
def _init_client(self, from_archive=False):
"""Init client"""
return MattermostClient(self.url, self.api_token,
max_items=self.max_items,
sleep_for_rate=self.sleep_for_rate,
min_rate_to_sleep=self.min_rate_to_sleep,
sleep_time=self.sleep_time,
archive=self.archive, from_archive=from_archive)
|
Parse posts and returns in order.
|
def _parse_posts(self, raw_posts):
"""Parse posts and returns in order."""
parsed_posts = self.parse_json(raw_posts)
# Posts are not sorted. The order is provided by
# 'order' key.
for post_id in parsed_posts['order']:
yield parsed_posts['posts'][post_id]
|
Fetch the history of a channel.
|
def posts(self, channel, page=None):
"""Fetch the history of a channel."""
entrypoint = self.RCHANNELS + '/' + channel + '/' + self.RPOSTS
params = {
self.PPER_PAGE: self.max_items
}
if page is not None:
params[self.PPAGE] = page
response = self._fetch(entrypoint, params)
return response
|
Fetch user data.
|
def user(self, user):
"""Fetch user data."""
entrypoint = self.RUSERS + '/' + user
response = self._fetch(entrypoint, None)
return response
|
Fetch a resource.
|
def _fetch(self, entry_point, params):
"""Fetch a resource.
:param entrypoint: entrypoint to access
:param params: dict with the HTTP parameters needed to access the
given entry point
"""
url = self.API_URL % {'base_url': self.base_url, 'entrypoint': entry_point}
logger.debug("Mattermost client requests: %s params: %s",
entry_point, str(params))
r = self.fetch(url, payload=params)
return r.text
|
Initialize mailing lists directory path
|
def _pre_init(self):
"""Initialize mailing lists directory path"""
if not self.parsed_args.mboxes_path:
base_path = os.path.expanduser('~/.perceval/mailinglists/')
dirpath = os.path.join(base_path, self.parsed_args.url)
else:
dirpath = self.parsed_args.mboxes_path
setattr(self.parsed_args, 'dirpath', dirpath)
|
Fetch the mbox files from the remote archiver.
|
def fetch(self, from_date=DEFAULT_DATETIME):
"""Fetch the mbox files from the remote archiver.
Stores the archives in the path given during the initialization
of this object. Those archives which a not valid extension will
be ignored.
Pipermail archives usually have on their file names the date of
the archives stored following the schema year-month. When `from_date`
property is called, it will return the mboxes which their year
and month are equal or after that date.
:param from_date: fetch archives that store messages
equal or after the given date; only year and month values
are compared
:returns: a list of tuples, storing the links and paths of the
fetched archives
"""
logger.info("Downloading mboxes from '%s' to since %s",
self.url, str(from_date))
logger.debug("Storing mboxes in '%s'", self.dirpath)
from_date = datetime_to_utc(from_date)
r = requests.get(self.url, verify=self.verify)
r.raise_for_status()
links = self._parse_archive_links(r.text)
fetched = []
if not os.path.exists(self.dirpath):
os.makedirs(self.dirpath)
for l in links:
filename = os.path.basename(l)
mbox_dt = self._parse_date_from_filepath(filename)
if ((from_date.year == mbox_dt.year and
from_date.month == mbox_dt.month) or
from_date < mbox_dt):
filepath = os.path.join(self.dirpath, filename)
success = self._download_archive(l, filepath)
if success:
fetched.append((l, filepath))
logger.info("%s/%s MBoxes downloaded", len(fetched), len(links))
return fetched
|
Get the mboxes managed by this mailing list.
|
def mboxes(self):
"""Get the mboxes managed by this mailing list.
Returns the archives sorted by date in ascending order.
:returns: a list of `.MBoxArchive` objects
"""
archives = []
for mbox in super().mboxes:
dt = self._parse_date_from_filepath(mbox.filepath)
archives.append((dt, mbox))
archives.sort(key=lambda x: x[0])
return [a[1] for a in archives]
|
Fetch the entries from the url.
|
def fetch(self, category=CATEGORY_ENTRY):
"""Fetch the entries from the url.
The method retrieves all entries from a RSS url
:param category: the category of items to fetch
:returns: a generator of entries
"""
kwargs = {}
items = super().fetch(category, **kwargs)
return items
|
Fetch the entries
|
def fetch_items(self, category, **kwargs):
"""Fetch the entries
:param category: the category of items to fetch
:param kwargs: backend arguments
:returns: a generator of items
"""
logger.info("Looking for rss entries at feed '%s'", self.url)
nentries = 0 # number of entries
raw_entries = self.client.get_entries()
entries = self.parse_feed(raw_entries)['entries']
for item in entries:
yield item
nentries += 1
logger.info("Total number of entries: %i", nentries)
|
Init client
|
def _init_client(self, from_archive=False):
"""Init client"""
return RSSClient(self.url, self.archive, from_archive)
|
Returns the RSS argument parser.
|
def setup_cmd_parser(cls):
"""Returns the RSS argument parser."""
parser = BackendCommandArgumentParser(cls.BACKEND.CATEGORIES,
archive=True)
# Required arguments
parser.parser.add_argument('url',
help="URL of the RSS feed")
return parser
|
Fetch the bugs from the repository.
|
def fetch(self, category=CATEGORY_BUG, from_date=DEFAULT_DATETIME):
"""Fetch the bugs from the repository.
The method retrieves, from a Bugzilla repository, the bugs
updated since the given date.
:param category: the category of items to fetch
:param from_date: obtain bugs updated since this date
:returns: a generator of bugs
"""
if not from_date:
from_date = DEFAULT_DATETIME
kwargs = {'from_date': from_date}
items = super().fetch(category, **kwargs)
return items
|
Fetch the bugs
|
def fetch_items(self, category, **kwargs):
"""Fetch the bugs
:param category: the category of items to fetch
:param kwargs: backend arguments
:returns: a generator of items
"""
from_date = kwargs['from_date']
logger.info("Looking for bugs: '%s' updated from '%s'",
self.url, str(from_date))
nbugs = 0
for bug in self.__fetch_and_parse_bugs(from_date):
nbugs += 1
yield bug
logger.info("Fetch process completed: %s bugs fetched", nbugs)
|
Init client
|
def _init_client(self, from_archive=False):
"""Init client"""
return BugzillaRESTClient(self.url, user=self.user, password=self.password, api_token=self.api_token,
archive=self.archive, from_archive=from_archive)
|
Authenticate a user in the server.
|
def login(self, user, password):
"""Authenticate a user in the server.
:param user: Bugzilla user
:param password: user password
"""
params = {
self.PBUGZILLA_LOGIN: user,
self.PBUGZILLA_PASSWORD: password
}
try:
r = self.call(self.RLOGIN, params)
except requests.exceptions.HTTPError as e:
cause = ("Bugzilla REST client could not authenticate user %s. "
"See exception: %s") % (user, str(e))
raise BackendError(cause=cause)
data = json.loads(r)
self.api_token = data['token']
|
Get the information of a list of bugs.
|
def bugs(self, from_date=DEFAULT_DATETIME, offset=None, max_bugs=MAX_BUGS):
"""Get the information of a list of bugs.
:param from_date: retrieve bugs that where updated from that date;
dates are converted to UTC
:param offset: starting position for the search; i.e to return 11th
element, set this value to 10.
:param max_bugs: maximum number of bugs to reteurn per query
"""
date = datetime_to_utc(from_date)
date = date.strftime("%Y-%m-%dT%H:%M:%SZ")
params = {
self.PLAST_CHANGE_TIME: date,
self.PLIMIT: max_bugs,
self.PORDER: self.VCHANGE_DATE_ORDER,
self.PINCLUDE_FIELDS: self.VINCLUDE_ALL
}
if offset:
params[self.POFFSET] = offset
response = self.call(self.RBUG, params)
return response
|
Get the comments of the given bugs.
|
def comments(self, *bug_ids):
"""Get the comments of the given bugs.
:param bug_ids: list of bug identifiers
"""
# Hack. The first value must be a valid bug id
resource = urijoin(self.RBUG, bug_ids[0], self.RCOMMENT)
params = {
self.PIDS: bug_ids
}
response = self.call(resource, params)
return response
|
Get the history of the given bugs.
|
def history(self, *bug_ids):
"""Get the history of the given bugs.
:param bug_ids: list of bug identifiers
"""
resource = urijoin(self.RBUG, bug_ids[0], self.RHISTORY)
params = {
self.PIDS: bug_ids
}
response = self.call(resource, params)
return response
|
Get the attachments of the given bugs.
|
def attachments(self, *bug_ids):
"""Get the attachments of the given bugs.
:param bug_id: list of bug identifiers
"""
resource = urijoin(self.RBUG, bug_ids[0], self.RATTACHMENT)
params = {
self.PIDS: bug_ids,
self.PEXCLUDE_FIELDS: self.VEXCLUDE_ATTCH_DATA
}
response = self.call(resource, params)
return response
|
Retrive the given resource.
|
def call(self, resource, params):
"""Retrive the given resource.
:param resource: resource to retrieve
:param params: dict with the HTTP parameters needed to retrieve
the given resource
:raises BugzillaRESTError: raised when an error is returned by
the server
"""
url = self.URL % {'base': self.base_url, 'resource': resource}
if self.api_token:
params[self.PBUGZILLA_TOKEN] = self.api_token
logger.debug("Bugzilla REST client requests: %s params: %s",
resource, str(params))
r = self.fetch(url, payload=params)
# Check for possible Bugzilla API errors
result = r.json()
if result.get('error', False):
raise BugzillaRESTError(error=result['message'],
code=result['code'])
return r.text
|
Sanitize payload of a HTTP request by removing the login password and token information before storing/ retrieving archived items
|
def sanitize_for_archive(url, headers, payload):
"""Sanitize payload of a HTTP request by removing the login, password and token information
before storing/retrieving archived items
:param: url: HTTP url request
:param: headers: HTTP headers request
:param: payload: HTTP payload request
:returns url, headers and the sanitized payload
"""
if BugzillaRESTClient.PBUGZILLA_LOGIN in payload:
payload.pop(BugzillaRESTClient.PBUGZILLA_LOGIN)
if BugzillaRESTClient.PBUGZILLA_PASSWORD in payload:
payload.pop(BugzillaRESTClient.PBUGZILLA_PASSWORD)
if BugzillaRESTClient.PBUGZILLA_TOKEN in payload:
payload.pop(BugzillaRESTClient.PBUGZILLA_TOKEN)
return url, headers, payload
|
Fetch the items ( issues or merge_requests )
|
def fetch_items(self, category, **kwargs):
"""Fetch the items (issues or merge_requests)
:param category: the category of items to fetch
:param kwargs: backend arguments
:returns: a generator of items
"""
from_date = kwargs['from_date']
if category == CATEGORY_ISSUE:
items = self.__fetch_issues(from_date)
else:
items = self.__fetch_merge_requests(from_date)
return items
|
Fetch the issues
|
def __fetch_issues(self, from_date):
"""Fetch the issues"""
issues_groups = self.client.issues(from_date=from_date)
for raw_issues in issues_groups:
issues = json.loads(raw_issues)
for issue in issues:
issue_id = issue['iid']
if self.blacklist_ids and issue_id in self.blacklist_ids:
logger.warning("Skipping blacklisted issue %s", issue_id)
continue
self.__init_issue_extra_fields(issue)
issue['notes_data'] = \
self.__get_issue_notes(issue_id)
issue['award_emoji_data'] = \
self.__get_award_emoji(GitLabClient.ISSUES, issue_id)
yield issue
|
Get issue notes
|
def __get_issue_notes(self, issue_id):
"""Get issue notes"""
notes = []
group_notes = self.client.notes(GitLabClient.ISSUES, issue_id)
for raw_notes in group_notes:
for note in json.loads(raw_notes):
note_id = note['id']
note['award_emoji_data'] = \
self.__get_note_award_emoji(GitLabClient.ISSUES, issue_id, note_id)
notes.append(note)
return notes
|
Fetch the merge requests
|
def __fetch_merge_requests(self, from_date):
"""Fetch the merge requests"""
merges_groups = self.client.merges(from_date=from_date)
for raw_merges in merges_groups:
merges = json.loads(raw_merges)
for merge in merges:
merge_id = merge['iid']
if self.blacklist_ids and merge_id in self.blacklist_ids:
logger.warning("Skipping blacklisted merge request %s", merge_id)
continue
# The single merge_request API call returns a more
# complete merge request, thus we inflate it with
# other data (e.g., notes, emojis, versions)
merge_full_raw = self.client.merge(merge_id)
merge_full = json.loads(merge_full_raw)
self.__init_merge_extra_fields(merge_full)
merge_full['notes_data'] = self.__get_merge_notes(merge_id)
merge_full['award_emoji_data'] = self.__get_award_emoji(GitLabClient.MERGES, merge_id)
merge_full['versions_data'] = self.__get_merge_versions(merge_id)
yield merge_full
|
Get merge notes
|
def __get_merge_notes(self, merge_id):
"""Get merge notes"""
notes = []
group_notes = self.client.notes(GitLabClient.MERGES, merge_id)
for raw_notes in group_notes:
for note in json.loads(raw_notes):
note_id = note['id']
note['award_emoji_data'] = \
self.__get_note_award_emoji(GitLabClient.MERGES, merge_id, note_id)
notes.append(note)
return notes
|
Get merge versions
|
def __get_merge_versions(self, merge_id):
"""Get merge versions"""
versions = []
group_versions = self.client.merge_versions(merge_id)
for raw_versions in group_versions:
for version in json.loads(raw_versions):
version_id = version['id']
version_full_raw = self.client.merge_version(merge_id, version_id)
version_full = json.loads(version_full_raw)
version_full.pop('diffs', None)
versions.append(version_full)
return versions
|
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