diff options
Diffstat (limited to 'pgcli')
| -rw-r--r-- | pgcli/main.py | 1 | ||||
| -rw-r--r-- | pgcli/pgclirc | 8 | ||||
| -rw-r--r-- | pgcli/pgcompleter.py | 28 |
3 files changed, 36 insertions, 1 deletions
diff --git a/pgcli/main.py b/pgcli/main.py index 8459178b..f95c8000 100644 --- a/pgcli/main.py +++ b/pgcli/main.py @@ -279,6 +279,7 @@ class PGCli: "single_connection": single_connection, "less_chatty": less_chatty, "keyword_casing": keyword_casing, + "alias_map_file": c["main"]["alias_map_file"] or None, } completer = PGCompleter( diff --git a/pgcli/pgclirc b/pgcli/pgclirc index 2d0563f1..51f7eae9 100644 --- a/pgcli/pgclirc +++ b/pgcli/pgclirc @@ -56,6 +56,14 @@ auto_retry_closed_connection = True # If set to True, table suggestions will include a table alias generate_aliases = False +# Path to a json file that specifies specific table aliases to use when generate_aliases is set to True +# the format for this file should be: +# { +# "some_table_name": "desired_alias", +# "some_other_table_name": "another_alias" +# } +alias_map_file = + # log_file location. # In Unix/Linux: ~/.config/pgcli/log # In Windows: %USERPROFILE%\AppData\Local\dbcli\pgcli\log diff --git a/pgcli/pgcompleter.py b/pgcli/pgcompleter.py index f2000acf..17fc5405 100644 --- a/pgcli/pgcompleter.py +++ b/pgcli/pgcompleter.py @@ -1,3 +1,4 @@ +import json import logging import re from itertools import count, repeat, chain @@ -61,18 +62,38 @@ arg_default_type_strip_regex = re.compile(r"::[\w\.]+(\[\])?$") normalize_ref = lambda ref: ref if ref[0] == '"' else '"' + ref.lower() + '"' -def generate_alias(tbl): +def generate_alias(tbl, alias_map=None): """Generate a table alias, consisting of all upper-case letters in the table name, or, if there are no upper-case letters, the first letter + all letters preceded by _ param tbl - unescaped name of the table to alias """ + if alias_map and tbl in alias_map: + return alias_map[tbl] return "".join( [l for l in tbl if l.isupper()] or [l for l, prev in zip(tbl, "_" + tbl) if prev == "_" and l != "_"] ) +class InvalidMapFile(ValueError): + pass + + +def load_alias_map_file(path): + try: + with open(path) as fo: + alias_map = json.load(fo) + except FileNotFoundError as err: + raise InvalidMapFile( + f"Cannot read alias_map_file - {err.filename} does not exist" + ) + except json.JSONDecodeError: + raise InvalidMapFile(f"Cannot read alias_map_file - {path} is not valid json") + else: + return alias_map + + class PGCompleter(Completer): # keywords_tree: A dict mapping keywords to well known following keywords. # e.g. 'CREATE': ['TABLE', 'USER', ...], @@ -100,6 +121,11 @@ class PGCompleter(Completer): self.call_arg_oneliner_max = settings.get("call_arg_oneliner_max", 2) self.search_path_filter = settings.get("search_path_filter") self.generate_aliases = settings.get("generate_aliases") + alias_map_file = settings.get("alias_map_file") + if alias_map_file is not None: + self.alias_map = load_alias_map_file(alias_map_file) + else: + self.alias_map = None self.casing_file = settings.get("casing_file") self.insert_col_skip_patterns = [ re.compile(pattern) |