home *** CD-ROM | disk | FTP | other *** search
- #! /usr/bin/env python
-
- """Show file statistics by extension."""
-
- import os
- import sys
-
- class Stats:
-
- def __init__(self):
- self.stats = {}
-
- def statargs(self, args):
- for arg in args:
- if os.path.isdir(arg):
- self.statdir(arg)
- elif os.path.isfile(arg):
- self.statfile(arg)
- else:
- sys.stderr.write("Can't find %s\n" % file)
- self.addstats("<???>", "unknown", 1)
-
- def statdir(self, dir):
- self.addstats("<dir>", "dirs", 1)
- try:
- names = os.listdir(dir)
- except os.error, err:
- sys.stderr.write("Can't list %s: %s\n" % (file, err))
- self.addstats(ext, "unlistable", 1)
- return
- names.sort()
- for name in names:
- if name.startswith(".#"):
- continue # Skip CVS temp files
- if name.endswith("~"):
- continue# Skip Emacs backup files
- full = os.path.join(dir, name)
- if os.path.islink(full):
- self.addstats("<lnk>", "links", 1)
- elif os.path.isdir(full):
- self.statdir(full)
- else:
- self.statfile(full)
-
- def statfile(self, file):
- head, ext = os.path.splitext(file)
- head, base = os.path.split(file)
- if ext == base:
- ext = "" # E.g. .cvsignore is deemed not to have an extension
- ext = os.path.normcase(ext)
- if not ext:
- ext = "<none>"
- self.addstats(ext, "files", 1)
- try:
- f = open(file, "rb")
- except IOError, err:
- sys.stderr.write("Can't open %s: %s\n" % (file, err))
- self.addstats(ext, "unopenable", 1)
- return
- data = f.read()
- f.close()
- self.addstats(ext, "bytes", len(data))
- if '\0' in data:
- self.addstats(ext, "binary", 1)
- return
- if not data:
- self.addstats(ext, "empty", 1)
- #self.addstats(ext, "chars", len(data))
- lines = data.splitlines()
- self.addstats(ext, "lines", len(lines))
- del lines
- words = data.split()
- self.addstats(ext, "words", len(words))
-
- def addstats(self, ext, key, n):
- d = self.stats.setdefault(ext, {})
- d[key] = d.get(key, 0) + n
-
- def report(self):
- exts = self.stats.keys()
- exts.sort()
- # Get the column keys
- columns = {}
- for ext in exts:
- columns.update(self.stats[ext])
- cols = columns.keys()
- cols.sort()
- colwidth = {}
- colwidth["ext"] = max([len(ext) for ext in exts])
- minwidth = 6
- self.stats["TOTAL"] = {}
- for col in cols:
- total = 0
- cw = max(minwidth, len(col))
- for ext in exts:
- value = self.stats[ext].get(col)
- if value is None:
- w = 0
- else:
- w = len("%d" % value)
- total += value
- cw = max(cw, w)
- cw = max(cw, len(str(total)))
- colwidth[col] = cw
- self.stats["TOTAL"][col] = total
- exts.append("TOTAL")
- for ext in exts:
- self.stats[ext]["ext"] = ext
- cols.insert(0, "ext")
- def printheader():
- for col in cols:
- print "%*s" % (colwidth[col], col),
- print
- printheader()
- for ext in exts:
- for col in cols:
- value = self.stats[ext].get(col, "")
- print "%*s" % (colwidth[col], value),
- print
- printheader() # Another header at the bottom
-
- def main():
- args = sys.argv[1:]
- if not args:
- args = [os.curdir]
- s = Stats()
- s.statargs(args)
- s.report()
-
- if __name__ == "__main__":
- main()
-