minor reorganization

pull/241/head
William Ting 11 years ago
parent 39e5b0b4cc
commit 6ea43c4267

@ -23,6 +23,7 @@ from __future__ import print_function
from collections import namedtuple
from functools import partial
from itertools import chain
# FIXME(ting|2013-12-17): fix imports for Python 3 compatability
from itertools import ifilter
from itertools import imap
@ -84,7 +85,7 @@ def parse_environment(config):
return config
def eval_arguments(config):
def parse_arguments():
"""Evaluate arguments and run appropriate logic, returning an error code."""
parser = ArgumentParser(
description='Automatically jump to directory passed as an argument.',
@ -119,49 +120,7 @@ def eval_arguments(config):
'-v', '--version', action="version", version="%(prog)s " +
VERSION, help='show version information')
args = parser.parse_args()
if args.add:
add_path(config, args.add)
return 0
# if args.complete:
# config['match_cnt'] = 9
# config['ignore_case'] = True
if args.decrease:
try:
print_entry(decrease_path(config, os.getcwdu(), args.decrease))
return 0
except OSError:
print("Current directory no longer exists.", file=sys.stderr)
return 1
if args.increase:
try:
print_entry(add_path(config, os.getcwdu(), args.increase))
return 0
except OSError:
print("Current directory no longer exists.", file=sys.stderr)
return 1
if args.purge:
print("Purged %d entries." % purge_missing_paths(config))
return 0
if args.stat:
print_stats(config)
return 0
# default behavior, no optional arguments
result = first(find_matches(config, args.directory))
if result:
print(encode_local(result.path))
else:
# always return something so the calling shell function has something
# to `cd` to
print(encode_local('.'))
return 0
return parser.parse_args()
def add_path(config, path, increment=10):
@ -206,7 +165,7 @@ def detect_smartcase(needles):
def find_matches(config, needles):
"""Return an iterator to a matching entries."""
"""Return an iterator to matching entries."""
entriefy = lambda tup: Entry(*tup)
not_cwd = lambda entry: entry.path != os.getcwdu()
data = sorted(
@ -221,10 +180,11 @@ def find_matches(config, needles):
needles = map(sanitize, needles)
ignore_case = detect_smartcase(needles)
exact_matches = match_consecutive(needles, data, ignore_case)
consecutive_matches = match_consecutive(needles, data, ignore_case)
fuzzy_matches = match_fuzzy(needles, data, ignore_case)
exists = lambda entry: os.path.exists(entry.path)
return ifilter(exists, exact_matches)
return ifilter(exists, chain(consecutive_matches, fuzzy_matches))
def match_consecutive(needles, haystack, ignore_case=False):
@ -267,24 +227,10 @@ def match_consecutive(needles, haystack, ignore_case=False):
return ifilter(found, haystack)
def match_regex(needles, haystack, ignore_case=False):
def match_fuzzy(needles, haystack, ignore_case=False):
"""
Performs an exact match by combining all arguments into a single regex
expression and finding matches.
For example:
needles = ['qui', 'fox']
regex needle = r'.*qui.*fox.*'
haystack = [
(path="foobar", 10.0),
(path="The quick brown fox jumped over the lazy dog", 12.3)]
result = [(path="The quick brown fox jumped over the lazy dog", 12.3)]
"""
regex_needle = '.*' + '.*'.join(needles) + '.*'
regex_flags = re.IGNORECASE | re.UNICODE if ignore_case else re.UNICODE
has_needle = lambda haystack: re.search(regex_needle, haystack.path, flags=regex_flags)
return ifilter(has_needle, haystack)
return []
def purge_missing_paths(config):
@ -315,7 +261,42 @@ def print_stats(config):
def main():
return eval_arguments(parse_environment(set_defaults()))
config = parse_environment(set_defaults())
args = parse_arguments()
if args.add:
add_path(config, args.add)
# elif args.complete:
# config['match_cnt'] = 9
# config['ignore_case'] = True
elif args.decrease:
try:
print_entry(decrease_path(config, os.getcwdu(), args.decrease))
except OSError:
print("Current directory no longer exists.", file=sys.stderr)
return 1
elif args.increase:
try:
print_entry(add_path(config, os.getcwdu(), args.increase))
except OSError:
print("Current directory no longer exists.", file=sys.stderr)
return 1
elif args.purge:
print("Purged %d entries." % purge_missing_paths(config))
elif args.stat:
print_stats(config)
else:
# default behavior, no optional arguments
result = first(find_matches(load(config).iteritems(), args.directory))
if result:
print(encode_local(result.path))
else:
# always return something so the calling shell function has an
# argument to `cd` to
print(encode_local('.'))
return 0
if __name__ == "__main__":

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