{"library":"mako","title":"Mako Templating Library","description":"Mako is a hyperfast and lightweight templating language for Python, designed to be both powerful and easy to use. The current version is 1.3.10, released on March 28, 2026. Mako follows a regular release cadence, with updates addressing bugs and improvements.","language":"python","status":"active","last_verified":"Tue May 12","install":{"commands":["pip install mako"],"cli":null},"imports":["from mako.template import Template","from mako.lookup import TemplateLookup"],"auth":{"required":false,"env_vars":[]},"quickstart":{"code":"from mako.template import Template\nfrom mako.lookup import TemplateLookup\n\n# Set up template lookup\nmylookup = TemplateLookup(directories=['/path/to/templates'])\n\n# Load a template\nmytemplate = mylookup.get_template('mytemplate.html')\n\n# Render the template with variables\noutput = mytemplate.render(variable1='value1', variable2='value2')\n\nprint(output)","lang":"python","description":"This example demonstrates how to set up a template lookup, load a template, and render it with variables using Mako.","tag":"stale","tag_description":"widespread failures or data too old to trust","last_tested":"2026-04-23","results":[{"runtime":"python:3.10-alpine","exit_code":1},{"runtime":"python:3.10-slim","exit_code":1},{"runtime":"python:3.11-alpine","exit_code":1},{"runtime":"python:3.11-slim","exit_code":1},{"runtime":"python:3.12-alpine","exit_code":1},{"runtime":"python:3.12-slim","exit_code":1},{"runtime":"python:3.13-alpine","exit_code":1},{"runtime":"python:3.13-slim","exit_code":1},{"runtime":"python:3.9-alpine","exit_code":1},{"runtime":"python:3.9-slim","exit_code":1}]},"compatibility":{"tag":"verified","tag_description":"installs cleanly on critical runtimes, fast import, recently tested","last_tested":"2026-05-12","installed_version":null,"pypi_latest":null,"is_stale":null,"summary":{"python_range":"3.10–3.9","success_rate":100,"avg_install_s":null,"avg_import_s":0.17,"wheel_type":null},"results":[{"runtime":"python:3.10-alpine","python_version":"3.10","os_libc":"alpine (musl)","variant":"mako","exit_code":0,"wheel_type":null,"failure_reason":null,"import_side_effects":null,"install_time_s":null,"import_time_s":0.18,"mem_mb":5.8,"disk_size":"18.5M"},{"runtime":"python:3.10-slim","python_version":"3.10","os_libc":"slim (glibc)","variant":"mako","exit_code":0,"wheel_type":null,"failure_reason":null,"import_side_effects":null,"install_time_s":null,"import_time_s":0.17,"mem_mb":5.6,"disk_size":"19M"},{"runtime":"python:3.11-alpine","python_version":"3.11","os_libc":"alpine (musl)","variant":"mako","exit_code":0,"wheel_type":null,"failure_reason":null,"import_side_effects":null,"install_time_s":null,"import_time_s":0.23,"mem_mb":6.4,"disk_size":"20.5M"},{"runtime":"python:3.11-slim","python_version":"3.11","os_libc":"slim (glibc)","variant":"mako","exit_code":0,"wheel_type":null,"failure_reason":null,"import_side_effects":null,"install_time_s":null,"import_time_s":0.19,"mem_mb":6.4,"disk_size":"21M"},{"runtime":"python:3.12-alpine","python_version":"3.12","os_libc":"alpine (musl)","variant":"mako","exit_code":0,"wheel_type":null,"failure_reason":null,"import_side_effects":null,"install_time_s":null,"import_time_s":0.2,"mem_mb":6,"disk_size":"12.4M"},{"runtime":"python:3.12-slim","python_version":"3.12","os_libc":"slim (glibc)","variant":"mako","exit_code":0,"wheel_type":null,"failure_reason":null,"import_side_effects":null,"install_time_s":null,"import_time_s":0.2,"mem_mb":6,"disk_size":"13M"},{"runtime":"python:3.13-alpine","python_version":"3.13","os_libc":"alpine (musl)","variant":"mako","exit_code":0,"wheel_type":null,"failure_reason":null,"import_side_effects":null,"install_time_s":null,"import_time_s":0.15,"mem_mb":5.4,"disk_size":"12.0M"},{"runtime":"python:3.13-slim","python_version":"3.13","os_libc":"slim (glibc)","variant":"mako","exit_code":0,"wheel_type":null,"failure_reason":null,"import_side_effects":null,"install_time_s":null,"import_time_s":0.16,"mem_mb":5.4,"disk_size":"13M"},{"runtime":"python:3.9-alpine","python_version":"3.9","os_libc":"alpine (musl)","variant":"mako","exit_code":0,"wheel_type":null,"failure_reason":null,"import_side_effects":null,"install_time_s":null,"import_time_s":0.1,"mem_mb":4.2,"disk_size":"18.0M"},{"runtime":"python:3.9-slim","python_version":"3.9","os_libc":"slim (glibc)","variant":"mako","exit_code":0,"wheel_type":null,"failure_reason":null,"import_side_effects":null,"install_time_s":null,"import_time_s":0.09,"mem_mb":4.2,"disk_size":"19M"}]}}