|
| 1 | +#! /usr/bin/env python |
| 2 | + |
| 3 | +"""Show file statistics by extension.""" |
| 4 | + |
| 5 | +import os |
| 6 | +import sys |
| 7 | + |
| 8 | +class Stats: |
| 9 | + |
| 10 | + def __init__(self): |
| 11 | + self.stats = {} |
| 12 | + |
| 13 | + def statargs(self, args): |
| 14 | + for arg in args: |
| 15 | + if os.path.isdir(arg): |
| 16 | + self.statdir(arg) |
| 17 | + elif os.path.isfile(arg): |
| 18 | + self.statfile(arg) |
| 19 | + else: |
| 20 | + sys.stderr.write("Can't find %s\n" % file) |
| 21 | + self.addstats("<???>", "unknown", 1) |
| 22 | + |
| 23 | + def statdir(self, dir): |
| 24 | + self.addstats("<dir>", "dirs", 1) |
| 25 | + try: |
| 26 | + names = os.listdir(dir) |
| 27 | + except os.error, err: |
| 28 | + sys.stderr.write("Can't list %s: %s\n" % (file, err)) |
| 29 | + self.addstats(ext, "unlistable", 1) |
| 30 | + return |
| 31 | + names.sort() |
| 32 | + for name in names: |
| 33 | + full = os.path.join(dir, name) |
| 34 | + if os.path.islink(full): |
| 35 | + self.addstats("<lnk>", "links", 1) |
| 36 | + elif os.path.isdir(full): |
| 37 | + self.statdir(full) |
| 38 | + else: |
| 39 | + self.statfile(full) |
| 40 | + |
| 41 | + def statfile(self, file): |
| 42 | + head, ext = os.path.splitext(file) |
| 43 | + head, base = os.path.split(file) |
| 44 | + if ext == base: |
| 45 | + ext = "" # .cvsignore is deemed not to have an extension |
| 46 | + self.addstats(ext, "files", 1) |
| 47 | + try: |
| 48 | + f = open(file, "rb") |
| 49 | + except IOError, err: |
| 50 | + sys.stderr.write("Can't open %s: %s\n" % (file, err)) |
| 51 | + self.addstats(ext, "unopenable", 1) |
| 52 | + return |
| 53 | + data = f.read() |
| 54 | + f.close() |
| 55 | + self.addstats(ext, "bytes", len(data)) |
| 56 | + if '\0' in data: |
| 57 | + self.addstats(ext, "binary", 1) |
| 58 | + return |
| 59 | + if not data: |
| 60 | + self.addstats(ext, "empty", 1) |
| 61 | + #self.addstats(ext, "chars", len(data)) |
| 62 | + lines = data.splitlines() |
| 63 | + self.addstats(ext, "lines", len(lines)) |
| 64 | + del lines |
| 65 | + words = data.split() |
| 66 | + self.addstats(ext, "words", len(words)) |
| 67 | + |
| 68 | + def addstats(self, ext, key, n): |
| 69 | + d = self.stats.setdefault(ext, {}) |
| 70 | + d[key] = d.get(key, 0) + n |
| 71 | + |
| 72 | + def report(self): |
| 73 | + totals = {} |
| 74 | + exts = self.stats.keys() |
| 75 | + exts.sort() |
| 76 | + # Get the column keys |
| 77 | + columns = {} |
| 78 | + for ext in exts: |
| 79 | + columns.update(self.stats[ext]) |
| 80 | + cols = columns.keys() |
| 81 | + cols.sort() |
| 82 | + minwidth = 7 |
| 83 | + extwidth = max([len(ext) for ext in exts]) |
| 84 | + print "%*s" % (extwidth, "ext"), |
| 85 | + for col in cols: |
| 86 | + width = max(len(col), minwidth) |
| 87 | + print "%*s" % (width, col), |
| 88 | + print |
| 89 | + for ext in exts: |
| 90 | + print "%*s" % (extwidth, ext), |
| 91 | + for col in cols: |
| 92 | + width = max(len(col), minwidth) |
| 93 | + value = self.stats[ext].get(col) |
| 94 | + if value is None: |
| 95 | + s = "" |
| 96 | + else: |
| 97 | + s = "%d" % value |
| 98 | + totals[col] = totals.get(col, 0) + value |
| 99 | + print "%*s" % (width, s), |
| 100 | + print |
| 101 | + print "%*s" % (extwidth, "TOTAL"), |
| 102 | + for col in cols: |
| 103 | + width = max(len(col), minwidth) |
| 104 | + print "%*s" % (width, totals[col]), |
| 105 | + print |
| 106 | + |
| 107 | +def main(): |
| 108 | + args = sys.argv[1:] |
| 109 | + if not args: |
| 110 | + args = [os.curdir] |
| 111 | + s = Stats() |
| 112 | + s.statargs(args) |
| 113 | + s.report() |
| 114 | + |
| 115 | +if __name__ == "__main__": |
| 116 | + main() |
0 commit comments