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adding activedata query_runner (re getredash#83)
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,177 @@ | ||
| import json | ||
| import logging | ||
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| import requests | ||
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| from redash.query_runner import TYPE_INTEGER, TYPE_STRING, TYPE_FLOAT, BaseSQLQueryRunner, register | ||
| from redash.utils import JSONEncoder | ||
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| #Originally written by Github user @klahnakoski | ||
| #Original link: https://github.com/klahnakoski/ActiveData-redash-query-runner/blob/c0e7286c09c6f1eb6746a6c7cca581bea79f4757/active_data.py | ||
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| logger = logging.getLogger(__name__) | ||
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| types_map = { | ||
| bool: TYPE_INTEGER, | ||
| str: TYPE_STRING, | ||
| unicode: TYPE_STRING, | ||
| dict: TYPE_STRING, | ||
| list: TYPE_STRING, | ||
| int: TYPE_INTEGER, | ||
| long: TYPE_INTEGER, | ||
| float: TYPE_FLOAT, | ||
| "string": TYPE_STRING, | ||
| "object": TYPE_STRING, | ||
| "long": TYPE_STRING, | ||
| "double": TYPE_FLOAT, | ||
| "integer": TYPE_FLOAT | ||
| } | ||
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| class ActiveData(BaseSQLQueryRunner): | ||
| noop_query = "SELECT 1" | ||
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| @classmethod | ||
| def configuration_schema(cls): | ||
| return { | ||
| "type": "object", | ||
| "properties": { | ||
| "host_url": { | ||
| "type": "string", | ||
| "title": "Host URL", | ||
| "default": "https://activedata.allizom.org:80", | ||
| "info": "Please include a port. Do not end with a trailing slash." | ||
| }, | ||
| "doc_url": { | ||
| "type": "string", | ||
| "title": "Documentation URL", | ||
| "default": "https://github.com/klahnakoski/ActiveData/tree/dev/docs" | ||
| } | ||
| }, | ||
| "required": ["host_url"] | ||
| } | ||
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| @classmethod | ||
| def name(cls): | ||
| return "ActiveData" | ||
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| @classmethod | ||
| def type(cls): | ||
| return "activedata" | ||
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| @classmethod | ||
| def enabled(cls): | ||
| return True | ||
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| def _get_tables(self, schema): | ||
| query = { | ||
| "from": "meta.columns", | ||
| "select": [ | ||
| "name", | ||
| "type", | ||
| "table" | ||
| ], | ||
| "where": {"not": {"prefix": {"es_index": "meta."}}}, | ||
| "limit": 1000, | ||
| "format": "list" | ||
| } | ||
| results = self.run_jx_query(query, None) | ||
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| for row in results['data']: | ||
| table_name = row['table'] | ||
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| if table_name not in schema: | ||
| schema[table_name] = {'name': table_name, 'columns': []} | ||
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| schema[table_name]['columns'].append(row['name'] + ' (' + types_map.get(row['type'], TYPE_STRING) + ')') | ||
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| return [{'name': r['name'], 'columns': sorted(r['columns'])} for r in schema.values()] | ||
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| def run_jx_query(self, query, user): | ||
| data = json.dumps(query, ensure_ascii=False) | ||
| result = requests.post(self.configuration['host_url']+"/query", data=data) | ||
| response = json.loads(result.content) | ||
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| if response.get('type') == "ERROR": | ||
| cause = find_cause(response) | ||
| raise Exception(cause) | ||
| return response | ||
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| def run_query(self, annotated_query, user): | ||
| request = {} | ||
| comment, request["sql"] = annotated_query.split("*/", 2) | ||
| meta = request['meta'] = {} | ||
| for kv in comment.strip()[2:].split(","): | ||
| k, v = [s.strip() for s in kv.split(':')] | ||
| meta[k] = v | ||
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| logger.debug("Send ActiveData a SQL query: %s", request['sql']) | ||
| data = json.dumps(request, ensure_ascii=False) | ||
| result = requests.post(self.configuration['host_url']+"/sql", data=data) | ||
| response = json.loads(result.content) | ||
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| if response.get('type') == "ERROR": | ||
| cause = find_cause(response) | ||
| return None, cause | ||
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| output = normalize(response) | ||
| json_data = json.dumps(output, cls=JSONEncoder) | ||
| return json_data, None | ||
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| def normalize(table): | ||
| columns = {} # MAP FROM name TO (MAP FROM type TO (full_name)) | ||
| output = [] | ||
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| def get_unique_name(name, type): | ||
| all_types = columns.get(name) | ||
| if all_types is None: | ||
| all_types = columns[name] = {} | ||
| specific_type = all_types.get(type) | ||
| if specific_type is None: | ||
| if all_types: | ||
| specific_type = all_types[type] = name + "." + type | ||
| else: | ||
| specific_type = all_types[type] = name | ||
| return specific_type | ||
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| for r in table['data']: | ||
| new_row = {} | ||
| for i, cname in enumerate(table['header']): | ||
| val = r[i] | ||
| if val is None: | ||
| continue | ||
| type_ = val.__class__ | ||
| if isinstance(val, (dict, list)): | ||
| val = json.dumps(val, cls=JSONEncoder) | ||
| col = get_unique_name(cname, types_map.get(type(val), TYPE_STRING)) | ||
| new_row[col] = val | ||
| output.append(new_row) | ||
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| output_columns = [ | ||
| { | ||
| "name": full_name, | ||
| "type": ctype, | ||
| "friendly_name": full_name | ||
| } | ||
| for cname, types in columns.items() | ||
| for ctype, full_name in types.items() | ||
| ] | ||
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| return { | ||
| 'columns': output_columns, | ||
| 'rows': output | ||
| } | ||
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| def find_cause(e): | ||
| while e.get('cause') is not None: | ||
| c = e['cause'] | ||
| if isinstance(c, list): | ||
| e = c[0] | ||
| else: | ||
| e = c | ||
| return e.get('template') | ||
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| register(ActiveData) |
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