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netrc Module¶
The netrc module parses and encapsulates the .netrc file, which contains login credentials for various hosts.
Complexity Reference¶
| Operation | Time | Space | Notes |
|---|---|---|---|
netrc() parse |
O(n) | O(n) | n = file size |
| Lookup auth | O(1) | O(1) | Hash-based |
Working with Netrc Files¶
Reading .netrc File¶
import netrc
# Parse netrc - O(n)
rc = netrc.netrc()
# Get authentication - O(1)
auth = rc.authenticators('github.com')
if auth:
login, _, password = auth
print(f"Login: {login}")
.netrc Format¶
machine github.com
login username
password secret_token
machine pypi.org
login __token__
password pypi-token-here