Sourcery Analytics

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sourcery-analytics is a command line tool and library for statically analyzing Python code quality.

Get started by installing using pip:

pip install sourcery-analytics

This will install sourcery-analytics as a command-line tool.

To identify code quality issues:

sourcery-analytics assess path/to/file.py

Example:

sourcery-analytics assess sourcery_analytics/metrics

sourcery_analytics/metrics/cyclomatic_complexity.py:47: error: working_memory of cyclomatic_complexity is 34 exceeding threshold of 20
Found 1 errors.

To analyze a single Python file, use the analyze subcommand:

sourcery-analytics analyze path/to/file.py

Example:

sourcery-analytics analyze sourcery_analytics/analysis.py

┏━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┳━━━━━━━━┳━━━━━━━━━━━━━━━━━━━━━━━┳━━━━━━━━━━━━━━━━━━━━━━┳━━━━━━━━━━━━━━━━┓
┃ Method                                      ┃ length ┃ cyclomatic_complexity ┃ cognitive_complexity ┃ working_memory ┃
┡━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━╇━━━━━━━━╇━━━━━━━━━━━━━━━━━━━━━━━╇━━━━━━━━━━━━━━━━━━━━━━╇━━━━━━━━━━━━━━━━┩
│ sourcery_analytics.analysis.analyze         │      5 │                     1 │                    0 │              8 │
│ sourcery_analytics.analysis.analyze_methods │      4 │                     1 │                    1 │             12 │
└─────────────────────────────────────────────┴────────┴───────────────────────┴──────────────────────┴────────────────┘

Alternatively, import and run analysis using the library:

from sourcery_analytics import analyze_methods
source = """
    def cast_spell(self, spell):
        if self.power < spell.power:
            raise InsufficientPower
        print(f"{self.name} cast {spell.name}!")
"""
analyze_methods(source)
# [{'method_qualname': '.cast_spell', 'method_length': 3, 'method_cyclomatic_complexity': 1, 'method_cognitive_complexity': 1, 'method_working_memory': 6}]

For more, see the docs.

Repoanalysis.com

You can see how hundreds of top projects measure across different code quality metrics and see how your priojects compare at repoanalysis.com

Developed by Sourcery

Sourcery Analytics was originally developed by the team at Sourcery. Sourcery is an automated coding assistant to help Python developers review and improve their code while they work. Sourcery has a built in library of 100+ core rules and you can extend it further to create custom rules for any scenario.