def main(option, problem):
"""Python-based Project Euler command line tool."""
# No problem given (or given option ignores the problem argument)
if problem == 0 or option in (skip, verify_all):
# Determine the highest problem number in the current directory
files = problem_glob()
problem = max(int(file[:3]) for file in files) if files else 0
# No Project Euler files in current directory (no glob results)
if problem == 0:
# Generate the first problem file if option is appropriate
if option not in (cheat, preview, verify_all):
msg = "No Project Euler files found in the current directory."
click.echo(msg)
option = generate
# Set problem number to 1
problem = 1
# --preview and no problem; preview the next problem
elif option is preview:
problem += 1
# No option and no problem; generate next file if answer is
# correct (verify() will exit if the solution is incorrect)
if option is None:
verify(Problem(problem))
problem += 1
option = generate
# Problem given but no option; decide between generate and verify
elif option is None:
option = verify if any(Problem(problem).iglob) else generate
# Execute function based on option (pass Problem object as argument)
option(Problem(problem))
sys.exit(0)
def main(option, problem):
"""Python-based Project Euler command line tool."""
# No problem given (or given option ignores the problem argument)
if problem == 0 or option in {skip, verify_all}:
# Determine the highest problem number in the current directory
files = problem_glob()
problem = max(file.num for file in files) if files else 0
# No Project Euler files in current directory (no glob results)
if problem == 0:
# Generate the first problem file if option is appropriate
if option not in {cheat, preview, verify_all}:
msg = "No Project Euler files found in the current directory."
click.echo(msg)
option = generate
# Set problem number to 1
problem = 1
# --preview and no problem; preview the next problem
elif option is preview:
problem += 1
# No option and no problem; generate next file if answer is
# correct (verify() will exit if the solution is incorrect)
if option is None:
verify(problem)
problem += 1
option = generate
# Problem given but no option; decide between generate and verify
elif option is None:
option = verify if Problem(problem).glob else generate
# Execute function based on option
option(problem)
sys.exit(0)
def verify_all(current_p):
"""
Verifies all problem files in the current directory and
prints an overview of the status of each problem.
"""
# Define various problem statuses
keys = ('correct', 'incorrect', 'error', 'skipped', 'missing')
symbols = ('C', 'I', 'E', 'S', '.')
colours = ('green', 'red', 'yellow', 'cyan', 'white')
status = OrderedDict(
(key, click.style(symbol, fg=colour, bold=True))
for key, symbol, colour in zip(keys, symbols, colours)
)
overview = {}
# Search through problem files using glob module
files = problem_glob()
# No Project Euler files in the current directory
if not files:
click.echo("No Project Euler files found in the current directory.")
sys.exit(1)
for file in files:
p = Problem(int(file[:3]))
# Catch KeyboardInterrupt during verification to allow the user
# to skip the verification of a problem if it takes too long
try:
is_correct = verify(p, filename=file, exit=False)
except KeyboardInterrupt:
overview[p.num] = status['skipped']
else:
if is_correct is None: # error was returned by problem file
overview[p.num] = status['error']
elif is_correct:
overview[p.num] = status['correct']
elif not is_correct:
overview[p.num] = status['incorrect']
# Attempt to add "skipped" suffix to the filename if the
# problem file is not the current problem. This is useful
# when the --verify-all is used in a directory containing
# files generated pre-v1.1 (before files with suffixes)
if p.num != current_p.num:
rename_file(file, p.suf_name('skipped'))
# Separate each verification with a newline
click.echo()
# Print overview of the status of each problem
legend = ', '.join('{0} = {1}'.format(v, k) for k, v in status.items())
click.echo('-' * 63)
click.echo(legend + '\n')
# Rows needed for overview is based on the current problem number
num_of_rows = (current_p.num + 19) // 20
for row in range(1, num_of_rows + 1):
low, high = (row * 20) - 19, (row * 20)
click.echo("Problems {0:03d}-{1:03d}: ".format(low, high), nl=False)
for problem in range(low, high + 1):
# Add missing status to problems with no corresponding file
status = overview[problem] if problem in overview else '.'
# Separate problem indicators into groups of 5
spacer = ' ' if (problem % 5 == 0) else ' '
# Start a new line at the end of each row
click.secho(status + spacer, nl=(problem % 20 == 0))
click.echo()
def verify_all(num):
"""
Verifies all problem files in the current directory and
prints an overview of the status of each problem.
"""
# Define various problem statuses
keys = ('correct', 'incorrect', 'error', 'skipped', 'missing')
symbols = ('C', 'I', 'E', 'S', '.')
colours = ('green', 'red', 'yellow', 'cyan', 'white')
status = OrderedDict(
(key, click.style(symbol, fg=colour, bold=True))
for key, symbol, colour in zip(keys, symbols, colours))
overview = {}
# Search through problem files using glob module
files = problem_glob()
# No Project Euler files in the current directory
if not files:
click.echo("No Project Euler files found in the current directory.")
sys.exit(1)
for file in files:
# Catch KeyboardInterrupt during verification to allow the user to
# skip the verification of a specific problem if it takes too long
try:
is_correct = verify(file.num, filename=str(file), exit=False)
except KeyboardInterrupt:
overview[file.num] = status['skipped']
else:
if is_correct is None: # error was returned by problem file
overview[file.num] = status['error']
elif is_correct:
overview[file.num] = status['correct']
elif not is_correct:
overview[file.num] = status['incorrect']
# Attempt to add "skipped" suffix to the filename if the
# problem file is not the current problem. This is useful
# when the --verify-all is used in a directory containing
# files generated pre-v1.1 (before files with suffixes)
if file.num != num:
file.change_suffix('-skipped')
# Separate each verification with a newline
click.echo()
# Print overview of the status of each problem
legend = ', '.join('{} = {}'.format(v, k) for k, v in status.items())
click.echo('-' * 63)
click.echo(legend + '\n')
# Rows needed for overview is based on the current problem number
num_of_rows = (num + 19) // 20
for row in range(1, num_of_rows + 1):
low, high = (row * 20) - 19, (row * 20)
click.echo("Problems {:03d}-{:03d}: ".format(low, high), nl=False)
for problem in range(low, high + 1):
# Add missing status to problems with no corresponding file
status = overview[problem] if problem in overview else '.'
# Separate problem indicators into groups of 5
spacer = ' ' if (problem % 5 == 0) else ' '
# Start a new line at the end of each row
click.secho(status + spacer, nl=(problem % 20 == 0))
click.echo()
