mirror of https://github.com/python/cpython
117 lines
3.3 KiB
Python
117 lines
3.3 KiB
Python
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#! /usr/bin/env python
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"""Show file statistics by extension."""
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import os
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import sys
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class Stats:
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def __init__(self):
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self.stats = {}
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def statargs(self, args):
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for arg in args:
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if os.path.isdir(arg):
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self.statdir(arg)
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elif os.path.isfile(arg):
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self.statfile(arg)
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else:
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sys.stderr.write("Can't find %s\n" % file)
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self.addstats("<???>", "unknown", 1)
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def statdir(self, dir):
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self.addstats("<dir>", "dirs", 1)
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try:
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names = os.listdir(dir)
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except os.error, err:
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sys.stderr.write("Can't list %s: %s\n" % (file, err))
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self.addstats(ext, "unlistable", 1)
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return
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names.sort()
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for name in names:
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full = os.path.join(dir, name)
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if os.path.islink(full):
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self.addstats("<lnk>", "links", 1)
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elif os.path.isdir(full):
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self.statdir(full)
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else:
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self.statfile(full)
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def statfile(self, file):
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head, ext = os.path.splitext(file)
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head, base = os.path.split(file)
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if ext == base:
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ext = "" # .cvsignore is deemed not to have an extension
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self.addstats(ext, "files", 1)
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try:
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f = open(file, "rb")
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except IOError, err:
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sys.stderr.write("Can't open %s: %s\n" % (file, err))
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self.addstats(ext, "unopenable", 1)
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return
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data = f.read()
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f.close()
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self.addstats(ext, "bytes", len(data))
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if '\0' in data:
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self.addstats(ext, "binary", 1)
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return
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if not data:
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self.addstats(ext, "empty", 1)
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#self.addstats(ext, "chars", len(data))
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lines = data.splitlines()
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self.addstats(ext, "lines", len(lines))
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del lines
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words = data.split()
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self.addstats(ext, "words", len(words))
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def addstats(self, ext, key, n):
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d = self.stats.setdefault(ext, {})
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d[key] = d.get(key, 0) + n
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def report(self):
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totals = {}
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exts = self.stats.keys()
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exts.sort()
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# Get the column keys
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columns = {}
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for ext in exts:
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columns.update(self.stats[ext])
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cols = columns.keys()
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cols.sort()
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minwidth = 7
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extwidth = max([len(ext) for ext in exts])
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print "%*s" % (extwidth, "ext"),
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for col in cols:
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width = max(len(col), minwidth)
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print "%*s" % (width, col),
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print
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for ext in exts:
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print "%*s" % (extwidth, ext),
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for col in cols:
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width = max(len(col), minwidth)
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value = self.stats[ext].get(col)
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if value is None:
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s = ""
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else:
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s = "%d" % value
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totals[col] = totals.get(col, 0) + value
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print "%*s" % (width, s),
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print
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print "%*s" % (extwidth, "TOTAL"),
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for col in cols:
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width = max(len(col), minwidth)
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print "%*s" % (width, totals[col]),
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print
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def main():
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args = sys.argv[1:]
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if not args:
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args = [os.curdir]
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s = Stats()
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s.statargs(args)
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s.report()
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if __name__ == "__main__":
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main()
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