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WorkbenchConfig.py
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"""Class to encapsulate Workbench configuration definitions.
"""
import logging
from ruamel.yaml import YAML
import os
import sys
from workbench_utils import *
from rich.console import Console
from rich.table import Table
class WorkbenchConfig:
def __init__(self, args):
self.args = args
self.path_check()
self.config = self.get_config()
self.validate()
logging.basicConfig(
filename=self.config['log_file_path'],
level=logging.INFO,
filemode='a',
format='%(asctime)s - %(levelname)s - %(message)s',
datefmt='%d-%b-%y %H:%M:%S')
# Get fully constructed config dictionary.
def get_config(self):
config = self.get_default_config()
user_mods = self.get_user_config()
# If the password is not set in the config file, or in the environment
# variable, assign an empty password that will cause Workbench to error out later.
if 'password' not in user_mods:
if 'ISLANDORA_WORKBENCH_PASSWORD' in os.environ:
config['password'] = os.environ['ISLANDORA_WORKBENCH_PASSWORD']
else:
config['password'] = ''
# Blend defaults with user mods
for key, value in user_mods.items():
config[key] = value
# Modify some conditional values.
if 'task' in ['add_media', 'update', 'delete', 'export_csv']:
config['id_field'] = 'node_id'
if 'task' == 'delete_media':
config['id_field'] = 'media_id'
# @todo: These two overrides aren't working. For now, they are set within workbench.create_terms().
if 'task' == 'create_terms':
config['id_field'] = 'term_name'
config['allow_adding_terms'] = True
if 'paged_content_page_content_type' not in user_mods:
config['paged_content_page_content_type'] = config['content_type']
# Add preprocessor, if specified.
if 'preprocessors' in user_mods:
config['preprocessors'] = {}
for preprocessor in user_mods['preprocessors']:
for key, value in preprocessor.items():
config['preprocessors'][key] = value
return config
# Get user input as dictionary.
def get_user_config(self):
yaml = YAML()
with open(self.args.config, 'r') as stream:
try:
loaded = yaml.load(stream)
except yaml.YAMLError as exc:
print(exc)
if 'media_file_fields' in loaded:
media_fields = self.get_media_fields()
for media_field in loaded['media_file_fields']:
for media_type, media_field in media_field.items():
media_fields[media_type] = media_field
loaded['media_fields'] = media_fields
loaded['media_bundle_file_fields'] = media_fields
if os.path.isabs(self.args.config):
loaded['config_file_path'] = self.args.config
else:
loaded['config_file_path'] = os.path.join(os.getcwd(), self.args.config)
return loaded
# Returns standard media fields.
def get_media_fields(self):
return dict({
'file': 'field_media_file',
'document': 'field_media_document',
'image': 'field_media_image',
'audio': 'field_media_audio_file',
'video': 'field_media_video_file',
'extracted_text': 'field_media_file',
'fits_technical_metadata': 'field_media_file'
})
# Returns standard media extensions for given media type.
def get_media_types(self):
return [
{'image': ['png', 'gif', 'jpg', 'jpeg']},
{'document': ['pdf', 'doc', 'docx', 'ppt', 'pptx']},
{'file': ['tif', 'tiff', 'jp2', 'zip', 'tar']},
{'audio': ['mp3', 'wav', 'aac']},
{'video': ['mp4']},
{'extracted_text': ['txt']}
]
# Returns default configs, to be updated by user-supplied config.
def get_default_config(self):
return {
'input_dir': 'input_data',
'input_csv': 'metadata.csv',
'media_use_tid': 'http://pcdm.org/use#OriginalFile',
# 'drupal_filesystem' is used only in Drupal 8.x - 9.1; after that,
# the filesystem is automatically detected from the media's configuration.
'drupal_filesystem': 'fedora://',
'id_field': 'id',
'content_type': 'islandora_object',
'delimiter': ',',
'subdelimiter': '|',
'log_file_path': 'workbench.log',
'log_file_mode': 'a',
'allow_missing_files': False,
'exit_on_first_missing_file_during_check': True,
'update_mode': 'replace',
'max_node_title_length': 255,
'paged_content_from_directories': False,
'delete_media_with_nodes': True,
'allow_adding_terms': False,
'nodes_only': False,
'log_response_time': False,
'adaptive_pause_threshold': 2,
'log_response_time_sample': False,
'log_request_url': False,
'log_json': False,
'log_response_body': False,
'log_response_status_code': False,
'log_headers': False,
'progress_bar': False,
'user_agent': 'Islandora Workbench',
'allow_redirects': True,
'secure_ssl_only': True,
'google_sheets_csv_filename': 'google_sheet.csv',
'google_sheets_gid': '0',
'excel_worksheet': 'Sheet1',
'excel_csv_filename': 'excel.csv',
'ignore_csv_columns': list(),
'use_node_title_for_media': False,
'use_nid_in_media_title': False,
'field_for_media_title': False,
'delete_tmp_upload': False,
'list_missing_drupal_fields': False,
'secondary_tasks': None,
'secondary_tasks_data_file': 'id_to_node_map.tsv',
'fixity_algorithm': None,
'validate_fixity_during_check': False,
'output_csv_include_input_csv': False,
'timestamp_rollback': False,
'enable_http_cache': True,
'validate_terms_exist': True,
'drupal_8': None,
'published': 1,
'media_types': self.get_media_types(),
'preprocessors': {},
'check': self.args.check,
'get_csv_template': self.args.get_csv_template,
'paged_content_sequence_separator': '-',
'media_bundle_file_fields': self.get_media_fields(),
'media_fields': self.get_media_fields(),
'delete_media_by_node_media_use_tids': [],
'export_csv_term_mode': 'tid',
'export_csv_file_path': None,
'export_csv_field_list': [],
'data_from_view_file_path': None
}
# Tests validity and existence of path.
def path_check(self):
# Check existence of configuration file.
if not os.path.exists(self.args.config):
# Since the main logger gets its log file location from this file, we
# need to define a local logger to write to the default log file location,
# 'workbench.log'.
logging.basicConfig(
filename='workbench.log',
format='%(asctime)s - %(levelname)s - %(message)s',
datefmt='%d-%b-%y %H:%M:%S')
message = 'Error: Configuration file "' + self.args.config + '" not found.'
logging.error(message)
sys.exit(message)
# Validates config.
def validate(self):
error_messages = []
type_check = issue_request(self.config, 'GET',
f"{self.config['host']}/entity/entity_form_display/node/.{self.config['content_type']}.default?_format=json")
if type_check.status_code == 404:
message = f"Content type {self.config['content_type']} does not exist on {self.config['host']}."
error_messages.append(message)
mutators = ['use_node_title_for_media', 'use_nid_in_media_title', 'field_for_media_title']
selected = [mutator for mutator in mutators if self.config[mutator]]
if len(selected) > 1:
message = f"You may only select one of {mutators}.\n - This config has selected {selected}."
error_messages.append(message)
if error_messages:
output = ''
for error_message in error_messages:
output += f"{error_message}\n"
sys.exit('Error: ' + output)
# Convenience function for debugging - Prints config to console screen.
def print_config(self):
table = Table(title="Workbench Configuration")
table.add_column("Parameter", justify="left")
table.add_column("Value", justify="left")
for key, value in self.config.items():
table.add_row(key, str(value))
console = Console()
console.print(table)