# Path: pycoreutils/commands/hasher.py
# class HasherCommand(object):
#     def __init__(self, algorithm, tag=False, quiet=False, status=False):
#         """
#         :param algorithm: the hashing algorithm to use (eg. 'sha1', 'md5')
#         """
#         self.algorithm = algorithm
#         self.tag = tag
#         self.quiet = quiet
#         self.status = status
# 
#         hashlen = len(hashlib.new(algorithm).hexdigest())
#         self.checksum_line_regex = re.compile('^(?P<checksum>[a-f0-9]{{{hashlen}}})  (?P<filepath>.+)$'.format(hashlen=hashlen).encode('ascii'))
# 
#     def process_files(self, files, check=False):
#         success = True
# 
#         if check and self.tag:
#             raise click.BadOptionUsage('the --tag option is meaningless when verifying checksums')
# 
#         if not check and (self.status or self.quiet):
#             raise click.BadOptionUsage('--status is only meaningful when verifying checksums')
# 
#         for file in files:
#             if not check:
#                 # in testing, BytesIO has not attribute "name"
#                 filepath = getattr(file, 'name', '-')
#                 checksum = self.checksum_calculator(file)
#                 if self.tag:
#                     click.echo('{} ({}) = {}'.format(self.algorithm.upper(), filepath, checksum))
#                 else:
#                     click.echo('{}  {}'.format(checksum, filepath))
#             else:
#                 success = self.checksum_verifier(file) and success
# 
#         return success
# 
#     def checksum_calculator(self, file):
#         """
#         Computes a checksum using the class' algorithm
#         Returns a unicode of the hexdigest
# 
#         Assumes the file is opened in binary mode
#         """
#         h = hashlib.new(self.algorithm)
#         for data in iter(functools.partial(file.read, 4096), b''):
#             h.update(data)
#         return h.hexdigest()
# 
#     def checksum_verifier(self, file):
#         noformat_count = 0
#         nomatch_count = 0
#         noread_count = 0
# 
#         for line in file:
#             match = self.checksum_line_regex.match(line)
#             if not match:
#                 noformat_count += 1
#             else:
#                 group = match.groupdict()
#                 checksum = group['checksum']
#                 filepath = click.format_filename(group['filepath'])
#                 try:
#                     with click.open_file(filepath, 'rb') as fd:
#                         calculated_checksum = self.checksum_calculator(fd).encode('ascii')
#                 except IOError:
#                     noread_count += 1
#                     if not self.status:
#                         click.echo('{}: FAILED open or read'.format(filepath))
#                     continue
# 
#                 if checksum == calculated_checksum:
#                     output = 'OK'
#                 else:
#                     output = 'FAILED'
#                     nomatch_count += 1
# 
#                 if not self.status:
#                     if not self.quiet or output != 'OK':
#                         click.echo('{}: {}'.format(filepath, output))
# 
#         if not self.status:
#             if noformat_count == 1:
#                 click.echo('WARNING: 1 line is improperly formatted', err=True)
#             if noformat_count > 1:
#                 click.echo('WARNING: {} lines are improperly formatted'.format(noformat_count), err=True)
#             if noread_count == 1:
#                 click.echo('WARNING: 1 listed file could not be read', err=True)
#             if noread_count > 1:
#                 click.echo('WARNING: {} listed files could not be read'.format(noread_count), err=True)
#             if nomatch_count == 1:
#                 click.echo('WARNING: 1 computed checksum did NOT match', err=True)
#             if nomatch_count > 1:
#                 click.echo('WARNING: {} computed checksum did NOT match'.format(nomatch_count), err=True)
# 
#         return noformat_count + nomatch_count + noread_count == 0


import sys
from ..hasher import HasherCommand
from ...vendor import click



@click.command(
    help='Print or check SHA1 checksums',
)
@click.help_option('-h', '--help')
@click.option('-c', '--check', is_flag=True, default=False, help='read SHA1 sums from the FILEs and check them')
@click.option('--tag', is_flag=True, default=False, help='Output a BSD-style checksum file')

# Path: pycoreutils/commands/hasher.py
# class HasherCommand(object):
#     def __init__(self, algorithm, tag=False, quiet=False, status=False):
#         """
#         :param algorithm: the hashing algorithm to use (eg. 'sha1', 'md5')
#         """
#         self.algorithm = algorithm
#         self.tag = tag
#         self.quiet = quiet
#         self.status = status
# 
#         hashlen = len(hashlib.new(algorithm).hexdigest())
#         self.checksum_line_regex = re.compile('^(?P<checksum>[a-f0-9]{{{hashlen}}})  (?P<filepath>.+)$'.format(hashlen=hashlen).encode('ascii'))
# 
#     def process_files(self, files, check=False):
#         success = True
# 
#         if check and self.tag:
#             raise click.BadOptionUsage('the --tag option is meaningless when verifying checksums')
# 
#         if not check and (self.status or self.quiet):
#             raise click.BadOptionUsage('--status is only meaningful when verifying checksums')
# 
#         for file in files:
#             if not check:
#                 # in testing, BytesIO has not attribute "name"
#                 filepath = getattr(file, 'name', '-')
#                 checksum = self.checksum_calculator(file)
#                 if self.tag:
#                     click.echo('{} ({}) = {}'.format(self.algorithm.upper(), filepath, checksum))
#                 else:
#                     click.echo('{}  {}'.format(checksum, filepath))
#             else:
#                 success = self.checksum_verifier(file) and success
# 
#         return success
# 
#     def checksum_calculator(self, file):
#         """
#         Computes a checksum using the class' algorithm
#         Returns a unicode of the hexdigest
# 
#         Assumes the file is opened in binary mode
#         """
#         h = hashlib.new(self.algorithm)
#         for data in iter(functools.partial(file.read, 4096), b''):
#             h.update(data)
#         return h.hexdigest()
# 
#     def checksum_verifier(self, file):
#         noformat_count = 0
#         nomatch_count = 0
#         noread_count = 0
# 
#         for line in file:
#             match = self.checksum_line_regex.match(line)
#             if not match:
#                 noformat_count += 1
#             else:
#                 group = match.groupdict()
#                 checksum = group['checksum']
#                 filepath = click.format_filename(group['filepath'])
#                 try:
#                     with click.open_file(filepath, 'rb') as fd:
#                         calculated_checksum = self.checksum_calculator(fd).encode('ascii')
#                 except IOError:
#                     noread_count += 1
#                     if not self.status:
#                         click.echo('{}: FAILED open or read'.format(filepath))
#                     continue
# 
#                 if checksum == calculated_checksum:
#                     output = 'OK'
#                 else:
#                     output = 'FAILED'
#                     nomatch_count += 1
# 
#                 if not self.status:
#                     if not self.quiet or output != 'OK':
#                         click.echo('{}: {}'.format(filepath, output))
# 
#         if not self.status:
#             if noformat_count == 1:
#                 click.echo('WARNING: 1 line is improperly formatted', err=True)
#             if noformat_count > 1:
#                 click.echo('WARNING: {} lines are improperly formatted'.format(noformat_count), err=True)
#             if noread_count == 1:
#                 click.echo('WARNING: 1 listed file could not be read', err=True)
#             if noread_count > 1:
#                 click.echo('WARNING: {} listed files could not be read'.format(noread_count), err=True)
#             if nomatch_count == 1:
#                 click.echo('WARNING: 1 computed checksum did NOT match', err=True)
#             if nomatch_count > 1:
#                 click.echo('WARNING: {} computed checksum did NOT match'.format(nomatch_count), err=True)
# 
#         return noformat_count + nomatch_count + noread_count == 0


# Path: pycoreutils/commands/_sha1sum/command.py
import sys
from ..hasher import HasherCommand
from ...vendor import click




@click.command(
    help='Print or check SHA1 checksums',
)
@click.help_option('-h', '--help')
@click.option('-c', '--check', is_flag=True, default=False, help='read SHA1 sums from the FILEs and check them')
@click.option('--tag', is_flag=True, default=False, help='Output a BSD-style checksum file')

@click.option('--quiet', is_flag=True, default=False, help="don't print OK for each successfully verified file")