def _handle_onset_or_offset(self, def_tag, onset_offset_tag):
is_onset = onset_offset_tag.short_base_tag.lower(
) == DefTagNames.ONSET_KEY
full_def_name = def_name = def_tag.extension_or_value_portion
placeholder = None
found_slash = def_name.find("/")
if found_slash != -1:
placeholder = def_name[found_slash + 1:]
def_name = def_name[:found_slash]
def_entry = self._def_mapper.get_def_entry(def_name)
if def_entry is None:
return ErrorHandler.format_error(OnsetErrors.ONSET_DEF_UNMATCHED,
tag=def_tag)
if bool(def_entry.takes_value) != bool(placeholder):
return ErrorHandler.format_error(
OnsetErrors.ONSET_PLACEHOLDER_WRONG,
tag=def_tag,
has_placeholder=bool(def_entry.takes_value))
if is_onset:
# onset can never fail as it implies an offset
self._onsets[full_def_name.lower()] = full_def_name
else:
if full_def_name.lower() not in self._onsets:
return ErrorHandler.format_error(
OnsetErrors.OFFSET_BEFORE_ONSET, tag=def_tag)
else:
del self._onsets[full_def_name.lower()]
return []
def check_tag_exists_in_schema(self,
original_tag,
check_for_warnings=False):
"""Reports a validation error if the tag provided is not a valid tag or doesn't take a value.
Parameters
----------
original_tag: HedTag
The original tag that is used to report the error.
check_for_warnings: bool
If True, also check for warnings.
Returns
-------
[]
A validation issues list. If no issues are found then an empty list is returned.
"""
validation_issues = []
if original_tag.is_basic_tag() or original_tag.is_takes_value_tag():
return validation_issues
is_extension_tag = original_tag.is_extension_allowed_tag()
if not is_extension_tag:
validation_issues += ErrorHandler.format_error(
ValidationErrors.INVALID_EXTENSION, tag=original_tag)
elif check_for_warnings:
validation_issues += ErrorHandler.format_error(
ValidationErrors.HED_TAG_EXTENDED,
tag=original_tag,
index_in_tag=len(original_tag.org_base_tag),
index_in_tag_end=None)
return validation_issues
def check_for_onset_offset(self, hed_string_obj):
"""
Checks for an onset or offset tag in the given string and adds it to the current context if found.
Parameters
----------
hed_string_obj : HedString
The hed string to check. Finds a maximum of one onset tag.
Returns
-------
onset_issues: [{}]
Issues found validating onsets. Out of order onsets, unknown def names, etc.
"""
onset_issues = []
for found_onset, found_group in self._find_onset_tags(hed_string_obj):
if not found_onset:
return []
def_tags, def_groups = self._find_def_tags(found_group)
if not def_tags:
onset_issues += ErrorHandler.format_error(
OnsetErrors.ONSET_NO_DEF_TAG_FOUND, found_onset)
continue
if len(def_tags) > 1:
onset_issues += ErrorHandler.format_error(
OnsetErrors.ONSET_TOO_MANY_DEFS,
tag=def_tags[0],
tag_list=[tag for tag in def_tags[1:]])
continue
def_tag = def_tags[0]
def_group = def_groups[0]
children = [
child for child in found_group.get_direct_children()
if def_group != child and found_onset != child
]
max_children = 1
if found_onset.short_base_tag.lower() == DefTagNames.OFFSET_KEY:
max_children = 0
if len(children) > max_children:
onset_issues += ErrorHandler.format_error(
OnsetErrors.ONSET_WRONG_NUMBER_GROUPS, def_tag,
found_group.get_direct_children())
continue
if children:
# Make this a loop if max_children can be > 1
child = children[0]
if not isinstance(child, HedGroup):
onset_issues += ErrorHandler.format_error(
OnsetErrors.ONSET_TAG_OUTSIDE_OF_GROUP, child, def_tag)
# At this point we have either an onset or offset tag and it's name
onset_issues += self._handle_onset_or_offset(def_tag, found_onset)
return onset_issues
def _finalize_mapping(self):
"""
Internal function that gathers up all the various sources of column rules and puts them
in a list mapping from column number to definition.
This needs to be called after all definitions and columns are added.
"""
self._final_column_map = {}
found_named_tag_columns = {}
all_tag_columns = self._tag_columns + self._optional_tag_columns
self._finalize_mapping_issues = []
if self._column_map is not None:
for column_number, column_name in self._column_map.items():
if column_name in self.column_data:
column_entry = self.column_data[column_name]
column_entry.column_name = column_name
self._final_column_map[column_number] = column_entry
elif column_name in all_tag_columns:
found_named_tag_columns[column_name] = column_number
elif column_name.startswith(PANDAS_COLUMN_PREFIX_TO_IGNORE):
continue
elif self._has_sidecars:
if column_number not in all_tag_columns:
self._finalize_mapping_issues += ErrorHandler.format_error(
ValidationErrors.HED_UNKNOWN_COLUMN,
extra_column_name=column_name)
# Add any numbered columns
for column_name, column_entry in self.column_data.items():
if isinstance(column_name, int):
# Convert to internal numbering format
column_number = column_name - 1
self._final_column_map[column_number] = column_entry
# Add any tag columns
for column_number in all_tag_columns:
if isinstance(column_number, int):
if column_number not in self._final_column_map:
self._final_column_map[column_number] = ColumnMetadata(
ColumnType.HEDTags, column_number)
elif column_number in found_named_tag_columns:
column_name = column_number
column_number = found_named_tag_columns[column_name]
self._final_column_map[column_number] = ColumnMetadata(
ColumnType.HEDTags, column_number)
elif column_number in self._tag_columns:
self._finalize_mapping_issues += ErrorHandler.format_error(
ValidationErrors.HED_MISSING_COLUMN,
missing_column_name=column_number)
# Add prefixes
for column_number, prefix in self._column_prefix_dictionary.items():
self._set_column_prefix(column_number, prefix)
# Finally check if any numbered columns don't have an entry in final columns and issue a warning.
return self._finalize_mapping_issues
def check_delimiter_issues_in_hed_string(self, hed_string):
"""Reports a validation error if there are missing commas or commas in tags that take values.
Parameters
----------
hed_string: str
A hed string.
Returns
-------
[]
A validation issues list. If no issues are found then an empty list is returned.
"""
last_non_empty_valid_character = ''
last_non_empty_valid_index = 0
current_tag = ''
issues = []
for i, current_character in enumerate(hed_string):
current_tag += current_character
if not current_character.strip():
continue
if TagValidator._character_is_delimiter(current_character):
if current_tag.strip() == current_character:
issues += ErrorHandler.format_error(
ValidationErrors.HED_TAG_EMPTY,
source_string=hed_string,
char_index=i)
current_tag = ''
continue
current_tag = ''
elif current_character == self.OPENING_GROUP_CHARACTER:
if current_tag.strip() == self.OPENING_GROUP_CHARACTER:
current_tag = ''
else:
issues += ErrorHandler.format_error(
ValidationErrors.HED_COMMA_MISSING, tag=current_tag)
elif TagValidator._comma_is_missing_after_closing_parentheses(
last_non_empty_valid_character, current_character):
issues += ErrorHandler.format_error(
ValidationErrors.HED_COMMA_MISSING, tag=current_tag[:-1])
break
last_non_empty_valid_character = current_character
last_non_empty_valid_index = i
if TagValidator._character_is_delimiter(
last_non_empty_valid_character):
issues += ErrorHandler.format_error(
ValidationErrors.HED_TAG_EMPTY,
char_index=last_non_empty_valid_index,
source_string=hed_string)
return issues
def check_duplicate_tags_exist(self, original_tag_list):
"""Reports a validation error if two or more tags are the same.
This only tracks exact matches, it will not catch two identical value tags with different values.
Parameters
----------
original_tag_list: [HedTag]
A list containing tags that are used to report the error.
Returns
-------
[]
A validation issues list. If no issues are found then an empty list is returned.
"""
validation_issues = []
tag_set = set()
for tag in original_tag_list:
formatted_tag = tag.lower()
if formatted_tag in tag_set:
validation_issues += ErrorHandler.format_error(
ValidationErrors.HED_TAG_REPEATED, tag=tag)
continue
tag_set.add(formatted_tag)
return validation_issues
def check_for_placeholder(self, original_tag):
"""
Checks for a placeholder character in the extension/value portion of a tag, unless they are allowed.
Parameters
----------
original_tag : HedTag
Returns
-------
error_list: [{}]
"""
validation_issues = []
if not original_tag.is_definition:
starting_index = len(original_tag.org_base_tag) + 1
for i, character in enumerate(
original_tag.extension_or_value_portion):
if character == "#":
validation_issues += ErrorHandler.format_error(
ValidationErrors.INVALID_TAG_CHARACTER,
tag=original_tag,
index_in_tag=starting_index + i,
index_in_tag_end=starting_index + i + 1,
actual_error=ValidationErrors.HED_VALUE_INVALID)
return validation_issues
def tag_is_placeholder_check(hed_schema,
tag_entry,
possible_tags,
force_issues_as_warnings=True):
"""
Checks if the comma separated list in possible tags are valid HedTags
Parameters
----------
hed_schema: HedSchema
The schema to check if the tag exists
tag_entry: HedSchemaEntry
The schema entry for this tag.
possible_tags: str
Comma separated list of tags. Short long or mixed form valid.
force_issues_as_warnings: bool
If True sets all the severity levels to warning
Returns
-------
issues_list: [{}]
"""
issues = []
if not tag_entry.name.endswith("/#"):
issues += ErrorHandler.format_error(
SchemaWarnings.NON_PLACEHOLDER_HAS_CLASS, tag_entry.name,
possible_tags)
if force_issues_as_warnings:
for issue in issues:
issue['severity'] = ErrorSeverity.WARNING
return issues
def _validate_groups_in_hed_string(self, hed_string_obj):
"""Validates the tags at each level in a HED string. This pertains to the top-level, all groups, and nested
groups.
Parameters
----------
hed_string_obj: HedString
A HedString object.
Returns
-------
list
The issues associated with each level in the HED string.
"""
validation_issues = []
for original_tag_group, is_top_level in hed_string_obj.get_all_groups(
also_return_depth=True):
is_group = original_tag_group.is_group()
if not original_tag_group and is_group:
validation_issues += ErrorHandler.format_error(
ValidationErrors.HED_GROUP_EMPTY, tag=original_tag_group)
validation_issues += self._tag_validator.run_tag_level_validators(
original_tag_group.tags(), is_top_level, is_group)
return validation_issues
def _validate_pound_sign_count(self, hed_string):
"""Checks if a given hed string in the column has the correct number of pound signs
This normally should be either 0 or 1, but sometimes will be higher due to the presence of definition tags.
Parameters
----------
hed_string : str or HedString
Returns
-------
issues_list: [{}]
A list of the pound sign errors(always 0 or 1 item in the list)
"""
if self.column_type == ColumnType.Value or self.column_type == ColumnType.Attribute:
expected_pound_sign_count = 1
error_type = SidecarErrors.INVALID_POUND_SIGNS_VALUE
elif self.column_type == ColumnType.HEDTags or self.column_type == ColumnType.Categorical:
expected_pound_sign_count = 0
error_type = SidecarErrors.INVALID_POUND_SIGNS_CATEGORY
else:
return []
# This needs to only account for the ones without definitions.
if hed_string.without_defs().count("#") != expected_pound_sign_count:
return ErrorHandler.format_error(
error_type, pound_sign_count=str(hed_string).count("#"))
return []
def check_multiple_unique_tags_exist(self, original_tag_list):
"""Reports a validation error if two or more tags start with a tag name_prefix that has the 'unique' attribute.
Parameters
----------
original_tag_list: [HedTag]
A list containing tags that are used to report the error.
Returns
-------
[]
A validation issues list. If no issues are found then an empty list is returned.
"""
validation_issues = []
unique_tag_prefixes = self._hed_schema.get_all_tags_with_attribute(
HedKey.Unique)
for capitalized_unique_tag_prefix in unique_tag_prefixes:
unique_tag_prefix = capitalized_unique_tag_prefix.lower()
unique_tag_prefix_bool_mask = [
x.lower().startswith(unique_tag_prefix)
for x in original_tag_list
]
if sum(unique_tag_prefix_bool_mask) > 1:
validation_issues += ErrorHandler.format_error(
ValidationErrors.HED_TAG_NOT_UNIQUE,
tag_prefix=capitalized_unique_tag_prefix)
return validation_issues
def validate_schema_description(tag_name, hed_description):
"""
Takes a single term description and returns a list of warnings and errors in it.
Parameters
----------
tag_name : str
A single hed tag - not validated here, just used for error messages
hed_description: str
The description string to validate
Returns
-------
issue_list: [{}]
A list of all formatting issues found in the description
"""
issues_list = []
# Blank description is fine
if not hed_description:
return issues_list
for i, char in enumerate(hed_description):
if char.isalnum():
continue
if char in ALLOWED_DESC_CHARS:
continue
issues_list += ErrorHandler.format_error(
SchemaWarnings.INVALID_CHARACTERS_IN_DESC,
hed_description,
tag_name,
char_index=i,
problem_char=char)
return issues_list
def _get_def_expand_tag(self, original_tag, def_issues):
"""
Checks for issues with expanding a tag from def to def-expand, and returns the expanded tag.
Parameters
----------
original_tag : HedTag
Source hed tag that may be a Def tag.
def_issues : [{}]
List of issues to append any new issues to
Returns
-------
def_tag_name: str
The def-expand tag matching this def tag, if any
def_contents: [HedTag or HedGroup]
The contents to replace the previous def-tag with.
"""
if original_tag.short_base_tag.lower() == DefTagNames.DEF_KEY:
is_label_tag = original_tag.extension_or_value_portion
placeholder = None
found_slash = is_label_tag.find("/")
if found_slash != -1:
placeholder = is_label_tag[found_slash + 1:]
is_label_tag = is_label_tag[:found_slash]
label_tag_lower = is_label_tag.lower()
def_entry = self._gathered_defs.get(label_tag_lower)
if def_entry is None:
def_issues += ErrorHandler.format_error(
ValidationErrors.HED_DEF_UNMATCHED, tag=original_tag)
else:
def_tag_name, def_contents = def_entry.get_definition(
original_tag, placeholder_value=placeholder)
if def_tag_name:
return DefTagNames.DEF_EXPAND_ORG_KEY, def_contents
elif def_entry.takes_value:
def_issues += ErrorHandler.format_error(
ValidationErrors.HED_DEF_VALUE_MISSING,
tag=original_tag)
else:
def_issues += ErrorHandler.format_error(
ValidationErrors.HED_DEF_VALUE_EXTRA, tag=original_tag)
return None, None
def check_tag_level_issue(self, original_tag_list, is_top_level, is_group):
"""
Checks all tags in the group to verify they are correctly positioned in the hierarchy
Parameters
----------
original_tag_list: [HedTag]
A list containing the original tags.
is_top_level: bool
If True, this group is a "top level tag group", that can contain definitions, Onset, etc tags.
is_group: bool
If true, group is contained by parenthesis
Returns
-------
[]
The validation issues associated with each level in a HED string.
"""
validation_issues = []
if self._run_semantic_validation:
top_level_tags = [
tag for tag in original_tag_list
if tag.base_tag_has_attribute(HedKey.TopLevelTagGroup)
]
tag_group_tags = [
tag for tag in original_tag_list
if tag.base_tag_has_attribute(HedKey.TagGroup)
]
for tag_group_tag in tag_group_tags:
if not is_group:
validation_issues += ErrorHandler.format_error(
ValidationErrors.HED_TAG_GROUP_TAG, tag=tag_group_tag)
for top_level_tag in top_level_tags:
if not is_top_level:
validation_issues += ErrorHandler.format_error(
ValidationErrors.HED_TOP_LEVEL_TAG, tag=top_level_tag)
if is_top_level and len(top_level_tags) > 1:
validation_issues += ErrorHandler.format_error(
ValidationErrors.HED_MULTIPLE_TOP_TAGS,
tag=top_level_tags[0],
multiple_tags=top_level_tags[1:])
return validation_issues
def check_tag_unit_class_units_are_valid(self, original_tag,
check_for_warnings):
"""Reports a validation error if the tag provided has a unit class and the units are incorrect.
Parameters
----------
original_tag: HedTag
The original tag that is used to report the error.
check_for_warnings: bool
Indicates whether to check for warnings.
Returns
-------
[]
A validation issues list. If no issues are found then an empty list is returned.
"""
validation_issues = []
if original_tag.is_unit_class_tag():
stripped_value, unit = original_tag.get_stripped_unit_value()
if not unit:
if self._validate_value_class_portion(original_tag,
stripped_value):
if check_for_warnings:
# only suggest a unit is missing if this is a valid number
if tag_validator_util.validate_numeric_value_class(
stripped_value):
default_unit = original_tag.get_unit_class_default_unit(
)
validation_issues += ErrorHandler.format_error(
ValidationErrors.HED_UNITS_DEFAULT_USED,
tag=original_tag,
default_unit=default_unit)
else:
tag_unit_class_units = original_tag.get_tag_unit_class_units(
)
if tag_unit_class_units:
validation_issues += ErrorHandler.format_error(
ValidationErrors.HED_UNITS_INVALID,
original_tag,
unit_class_units=tag_unit_class_units)
return validation_issues
def hed_string_iter(self, validators=None, error_handler=None, **kwargs):
"""
Return iterator to loop over all hed strings in this column definition
Parameters
----------
validators : [func or validator like] or func or validator like
A validator or list of validators to apply to the hed strings before returning
error_handler : ErrorHandler
The error handler to use for context, uses a default one if none.
kwargs:
See util.translate_ops or the specific validators for additional options
Yields
-------
hed_string : HedString
hed_string at a given column and key position
position: str
Indicates where hed_string was loaded from so it can be later set by the user
issues: [{}]
List of issues found applying validators
"""
if error_handler is None:
error_handler = ErrorHandler()
if not isinstance(self._hed_dict, dict):
return
tag_ops = []
if validators:
tag_ops = translate_ops(validators,
error_handler=error_handler,
**kwargs)
for hed_string_obj, key_name in self._hed_iter():
new_col_issues = []
error_handler.push_error_context(ErrorContext.SIDECAR_KEY_NAME,
key_name)
if not hed_string_obj:
new_col_issues += ErrorHandler.format_error(
SidecarErrors.BLANK_HED_STRING)
error_handler.add_context_to_issues(new_col_issues)
yield hed_string_obj, key_name, new_col_issues
else:
error_handler.push_error_context(ErrorContext.HED_STRING,
hed_string_obj,
increment_depth_after=False)
if tag_ops:
new_col_issues += hed_string_obj.apply_ops(tag_ops)
error_handler.add_context_to_issues(new_col_issues)
yield hed_string_obj, key_name, new_col_issues
error_handler.pop_error_context()
error_handler.pop_error_context()
def _validate_column_structure(self, error_handler):
"""
This checks primarily for type errors, such as expecting a string and getting a list in a json sidecar.
Parameters
----------
error_handler
Returns
-------
"""
val_issues = []
if self.column_type is None:
val_issues += ErrorHandler.format_error(
SidecarErrors.UNKNOWN_COLUMN_TYPE,
column_name=self.column_name)
elif self.column_type == ColumnType.Categorical:
raw_hed_dict = self._hed_dict["HED"]
if not raw_hed_dict:
val_issues += ErrorHandler.format_error(
SidecarErrors.BLANK_HED_STRING)
error_handler.add_context_to_issues(val_issues)
for hed_string_obj, key_name in self._hed_iter(
also_return_bad_types=True):
new_col_issues = []
error_handler.push_error_context(ErrorContext.SIDECAR_KEY_NAME,
key_name)
if not isinstance(hed_string_obj, HedString):
new_col_issues += ErrorHandler.format_error(
SidecarErrors.WRONG_HED_DATA_TYPE,
given_type=type(hed_string_obj),
expected_type="str")
error_handler.add_context_to_issues(new_col_issues)
val_issues += new_col_issues
return val_issues
def validate_schema_term(hed_term):
"""
Takes a single term(ie short tag) and checks capitalization and illegal characters.
Parameters
----------
hed_term : str
A single hed term
Returns
-------
issue_list: [{}]
A list of all formatting issues found in the term
"""
issues_list = []
# Any # terms will have already been validated as the previous entry.
if hed_term == "#":
return issues_list
for i, char in enumerate(hed_term):
if i == 0 and not (char.isdigit() or char.isupper()):
issues_list += ErrorHandler.format_error(
SchemaWarnings.INVALID_CAPITALIZATION,
hed_term,
char_index=i,
problem_char=char)
continue
if char in ALLOWED_TAG_CHARS:
continue
if char.isalnum():
continue
issues_list += ErrorHandler.format_error(
SchemaWarnings.INVALID_CHARACTERS_IN_TAG,
hed_term,
char_index=i,
problem_char=char)
return issues_list
def check_tag_requires_child(self, original_tag):
"""Reports a validation error if the tag provided has the 'requireChild' attribute.
Parameters
----------
original_tag: HedTag
The original tag that is used to report the error.
Returns
-------
[]
A validation issues list. If no issues are found then an empty list is returned.
"""
validation_issues = []
if original_tag.has_attribute(HedKey.RequireChild):
validation_issues += ErrorHandler.format_error(
ValidationErrors.HED_TAG_REQUIRES_CHILD, tag=original_tag)
return validation_issues
def expand(self, input_text):
"""
Expands the input_text based on the rules for this column.
Eg adding name_prefix, inserting a column hed_string from key, etc.
Parameters
----------
input_text : str
Text to expand(generally from a single cell in a spreadsheet)
Returns
-------
hed_string: str
The expanded column as a hed_string
attribute_name_or_error_message: str or {}
If this is a string, contains the name of this column as an attribute.
If the first return value is None, this is an error message dict.
"""
column_type = self.column_type
if column_type == ColumnType.Categorical:
final_text = self._get_category_hed_string(input_text)
if final_text:
return HedString(final_text), False
else:
return None, ErrorHandler.format_error(
ValidationErrors.HED_SIDECAR_KEY_MISSING,
invalid_key=input_text,
category_keys=list(self._hed_dict["HED"].keys()))
elif column_type == ColumnType.Value:
prelim_text = self._get_value_hed_string()
final_text = prelim_text.replace("#", input_text)
return HedString(final_text), False
elif column_type == ColumnType.HEDTags:
hed_string_obj = HedString(input_text)
final_text = self._prepend_prefix_to_required_tag_column_if_needed(
hed_string_obj, self.column_prefix)
return final_text, False
elif column_type == ColumnType.Ignore:
return None, False
elif column_type == ColumnType.Attribute:
return input_text, self.column_name
return None, {"error_type": "INTERNAL_ERROR"}
def check_tag_value_class_valid(self, original_tag):
"""Reports a validation error if the tag provided has an invalid value portion
Parameters
----------
original_tag: HedTag
The original tag that is used to report the error.
Returns
-------
error_list: []
A validation issues list. If no issues are found then an empty list is returned.
"""
validation_issues = []
if not self._validate_value_class_portion(
original_tag, original_tag.extension_or_value_portion):
validation_issues += ErrorHandler.format_error(
ValidationErrors.HED_VALUE_INVALID, original_tag)
return validation_issues
def _check_invalid_chars(self,
check_string,
allowed_chars,
source_tag,
starting_index=0):
validation_issues = []
for i, character in enumerate(check_string):
if character.isalnum():
continue
if character in allowed_chars:
continue
# Todo: Remove this patch when clock times and invalid characters are more properly checked
if character == ":":
continue
validation_issues += ErrorHandler.format_error(
ValidationErrors.INVALID_TAG_CHARACTER,
tag=source_tag,
index_in_tag=starting_index + i,
index_in_tag_end=starting_index + i + 1)
return validation_issues
def check_tag_formatting(self, original_tag):
"""Reports a validation errors for any repeated or erroneous slashes
Parameters
----------
original_tag: HedTag
The original tag that is used to report the error.
Returns
-------
[]
A validation issues list. If no issues are found then an empty list is returned.
"""
validation_issues = []
for match in self.pattern_doubleslash.finditer(original_tag.org_tag):
validation_issues += ErrorHandler.format_error(
ValidationErrors.HED_NODE_NAME_EMPTY,
tag=original_tag,
index_in_tag=match.start(),
index_in_tag_end=match.end())
return validation_issues
def _report_invalid_character_error(self, hed_string, index):
"""Reports an error that is related to an invalid character.
Parameters
----------
hed_string: str
The HED string that caused the error.
index: int
The index of the invalid character in the HED string.
Returns
-------
[{}]
A singleton list with a dictionary representing the error.
"""
error_type = ValidationErrors.HED_CHARACTER_INVALID
character = hed_string[index]
if character == "~":
error_type = ValidationErrors.HED_TILDES_UNSUPPORTED
return ErrorHandler.format_error(error_type,
char_index=index,
source_string=hed_string)
def check_capitalization(self, original_tag):
"""Reports a validation warning if the tag isn't correctly capitalized.
Parameters
----------
original_tag: HedTag
The original tag that is used to report the warning.
Returns
-------
[]
A validation issues list. If no issues are found then an empty list is returned.
"""
validation_issues = []
tag_names = original_tag.org_base_tag.split("/")
for tag_name in tag_names:
correct_tag_name = tag_name.capitalize()
if tag_name != correct_tag_name and not re.search(
self.CAMEL_CASE_EXPRESSION, tag_name):
validation_issues += ErrorHandler.format_error(
ValidationErrors.HED_STYLE_WARNING, tag=original_tag)
break
return validation_issues
def check_count_tag_group_parentheses(self, hed_string):
"""Reports a validation error if there are an unequal number of opening or closing parentheses. This is the
first check before the tags are parsed.
Parameters
----------
hed_string: str
A hed string.
Returns
-------
[]
A validation issues list. If no issues are found then an empty list is returned.
"""
validation_issues = []
number_open_parentheses = hed_string.count('(')
number_closed_parentheses = hed_string.count(')')
if number_open_parentheses != number_closed_parentheses:
validation_issues += ErrorHandler.format_error(
ValidationErrors.HED_PARENTHESES_MISMATCH,
opening_parentheses_count=number_open_parentheses,
closing_parentheses_count=number_closed_parentheses)
return validation_issues
def check_for_required_tags(self, tags):
"""Reports a validation error if the required tags aren't present.
Parameters
----------
tags: [HedTag]
A list containing the tags.
Returns
-------
[]
A validation issues list. If no issues are found then an empty list is returned.
"""
validation_issues = []
required_tag_prefixes = self._hed_schema.get_all_tags_with_attribute(
HedKey.Required)
for capitalized_required_tag_prefix in required_tag_prefixes:
required_tag_prefix = capitalized_required_tag_prefix.lower()
if sum([x.lower().startswith(required_tag_prefix)
for x in tags]) < 1:
validation_issues += ErrorHandler.format_error(
ValidationErrors.HED_REQUIRED_TAG_MISSING,
tag_prefix=capitalized_required_tag_prefix)
return validation_issues
def check_tag_unit_class_units_exist(self, original_tag):
"""Reports a validation warning if the tag provided has a unit class but no units are not specified.
Parameters
----------
original_tag: HedTag
The original tag that is used to report the error.
Returns
-------
[]
A list validation error dicts. Returns empty list if no issues found
"""
validation_issues = []
if original_tag.is_unit_class_tag():
tag_unit_values = original_tag.extension_or_value_portion
if tag_validator_util.validate_numeric_value_class(
tag_unit_values):
default_unit = original_tag.get_unit_class_default_unit()
validation_issues += ErrorHandler.format_error(
ValidationErrors.HED_UNITS_DEFAULT_USED,
tag=original_tag,
default_unit=default_unit)
return validation_issues
def tag_exists_check(hed_schema,
tag_entry,
possible_tags,
force_issues_as_warnings=True):
"""
Checks if the comma separated list in possible tags are valid HedTags
Parameters
----------
hed_schema: HedSchema
The schema to check if the tag exists
tag_entry: HedSchemaEntry
The schema entry for this tag.
possible_tags: str
Comma separated list of tags. Short long or mixed form valid.
force_issues_as_warnings: bool
If True sets all the severity levels to warning
Returns
-------
issues_list: [{}]
"""
issues = []
split_tags = possible_tags.split(",")
for org_tag in split_tags:
if org_tag not in hed_schema.all_tags:
issues += ErrorHandler.format_error(
ValidationErrors.NO_VALID_TAG_FOUND,
org_tag,
index_in_tag=0,
index_in_tag_end=len(org_tag))
if force_issues_as_warnings:
for issue in issues:
issue['severity'] = ErrorSeverity.WARNING
return issues