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rlcompleter Module¶
The rlcompleter module provides command-line completion for the Python interactive interpreter using readline.
Complexity Reference¶
| Operation | Time | Space | Notes |
|---|---|---|---|
Completer() |
O(1) | O(1) | Create completer |
complete(text, state) |
O(n) | O(n) | n = candidate names in namespace/dir(); builds match list |
Readline Completion¶
Interactive Completion Setup¶
import readline
import rlcompleter
# Create completer - O(1)
completer = rlcompleter.Completer()
# Install completer - O(1)
readline.set_completer(completer.complete)
# Enable tab completion - O(1)
readline.parse_and_bind('tab: complete')
# In Python interactive mode:
# >>> import math
# >>> math.<TAB> # Shows completions