test_ok2/py/bin/py.lookup

74 lines
2.5 KiB
Python
Executable File

#!/usr/bin/env python
"""\
py.lookup SEARCH_STRING [options]
Looks recursively at Python files for a SEARCH_STRING, starting from the
present working directory. Prints the line, with the filename and line-number
prepended."""
import sys, os
sys.path.insert(0, os.path.dirname(__file__))
from _findpy import py
from py.__.misc.terminal_helper import ansi_print, terminal_width
import re
curdir = py.path.local()
def rec(p):
return p.check(dotfile=0)
optparse = py.compat.optparse
parser = optparse.OptionParser(usage=__doc__)
parser.add_option("-i", "--ignore-case", action="store_true", dest="ignorecase",
help="ignore case distinctions")
parser.add_option("-C", "--context", action="store", type="int", dest="context",
default=0, help="How many lines of output to show")
def find_indexes(search_line, string):
indexes = []
before = 0
while 1:
i = search_line.find(string, before)
if i == -1:
break
indexes.append(i)
before = i + len(string)
return indexes
if __name__ == '__main__':
(options, args) = parser.parse_args()
string = args[0]
if options.ignorecase:
string = string.lower()
for x in curdir.visit('*.py', rec):
s = x.read()
searchs = s
if options.ignorecase:
searchs = s.lower()
if s.find(string) != -1:
lines = s.splitlines()
if options.ignorecase:
searchlines = s.lower().splitlines()
else:
searchlines = lines
for i, (line, searchline) in enumerate(zip(lines, searchlines)):
indexes = find_indexes(searchline, string)
if not indexes:
continue
if not options.context:
sys.stdout.write("%s:%d: " %(x.relto(curdir), i+1))
last_index = 0
for index in indexes:
sys.stdout.write(line[last_index: index])
ansi_print(line[index: index+len(string)],
file=sys.stdout, esc=31, newline=False)
last_index = index + len(string)
sys.stdout.write(line[last_index:] + "\n")
else:
context = (options.context)/2
for count in range(max(0, i-context), min(len(lines) - 1, i+context+1)):
print "%s:%d: %s" %(x.relto(curdir), count+1, lines[count].rstrip())
print "-" * terminal_width