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# -*- coding: utf-8 -*-
import os
from metrics.metrics import process
class CodeMetrics:
"""Handle source code metrics."""
def __init__(self, rootdir):
"""Init the code metrics."""
self._rootdir = rootdir
self._languages = {}
def __str__(self):
"""Display the collected metrics."""
desc = ''
for l in self._languages:
desc += l + ': ' + '%d' % self._languages[l]['sloc'] + '\n'
return desc
def process(self, msg):
"""Collect code metrics."""
# Get all files
all_files = []
baselen = len(self._rootdir) + len(os.sep)
for root, dirnames, filenames in os.walk(self._rootdir):
if '.git' in root:
continue
for filename in filenames:
full_access = os.path.join(root, filename)
rel_access = full_access[baselen:]
all_files.append(rel_access)
# Compute metrics
count = len(all_files)
i = 0
for filename in all_files:
print(msg + ' -> Collecting code metrics... %d%%' % ((i * 100) / count), end='')
unsupported = {
'.l' : 'Flex',
'.y' : 'Bison'
}
supported = True
lang = None
for ext, lang in unsupported.items():
if filename.endswith(ext):
supported = False
break
if supported:
stats = self._analyse_supported_file(filename)
if stats is None:
i += 1
continue
lang = stats['language']
else:
stats = self._analyse_unsupported_file(os.path.join(self._rootdir, filename))
if not(lang in self._languages):
self._languages[lang] = {}
self._languages[lang]['sloc'] = 0
self._languages[lang]['comments'] = 0
self._languages[lang]['sloc'] += stats['sloc']
self._languages[lang]['comments'] += stats['comments']
i += 1
msg = msg + ' -> Collecting code metrics... %d%%' % ((i * 100) / count)
print(msg, end='')
return msg
def _analyse_supported_file(self, filename):
"""Process a file supported by the Python module."""
context = {}
context['include_metrics'] = [ ('sloc', 'SLOCMetric') ]
context['quiet'] = True
context['verbose'] = False
context['root_dir'] = self._rootdir
context['in_file_names'] = [ filename ]
context['output_format'] = None
stats = process(context)
if filename in stats:
stats = stats[filename]
if stats['language'] == 'TASM':
stats['language'] = 'Asm'
if stats['language'] == 'Gettext Catalog':
stats = None
else:
stats = None
return stats
def _analyse_unsupported_file(self, filename):
"""Process a file unsupported by the Python module."""
stats = {}
stats['sloc'] = 0
stats['comments'] = 0
with open(filename, 'r') as fin:
for line in fin:
length = len(line)
if not(length == 0 or (length == 1 and line == '\n') or (length == 2 and line == '\r\n')):
stats['sloc'] += 1
return stats
def count_all_lines(self):
"""Count all single lines of code."""
result = 0
for l in self._languages:
result += self._languages[l]['sloc']
return result
def get_most_used(self, count):
"""Compute the list of most used languages."""
max_count = len(self._languages.keys())
if count > max_count:
count = max_count
languages = []
for l in self._languages:
languages.append((self._languages[l]['sloc'], l))
languages = sorted(languages, reverse=True)
if count < max_count:
selected = languages[:count - 1]
remaining = 0
for n, _ in languages[count:]:
remaining += n
selected.append((remaining, 'Others'))
else:
selected = languages
return selected
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