def verify(p, filename=None, exit=True):
"""Verifies the solution to a problem."""
filename = filename or p.filename
if not os.path.isfile(filename):
# Attempt to verify the first problem file matched by glob
try:
filename = next(p.iglob)
except StopIteration:
click.secho('No file found for problem %i.' % p.num, fg='red')
sys.exit(1)
solution = p.solution
click.echo('Checking "{0}" against solution: '.format(filename), nl=False)
cmd = [sys.executable or 'python', filename]
start = clock()
proc = subprocess.Popen(cmd, stdout=subprocess.PIPE)
stdout = proc.communicate()[0]
end = clock()
time_info = format_time(start, end)
# Return value of anything other than 0 indicates an error
if proc.poll() != 0:
click.secho('Error calling "{0}".'.format(filename), fg='red')
click.secho(time_info, fg='cyan')
# Return None if option is not --verify-all, otherwise exit
return sys.exit(1) if exit else None
# Decode output if returned as bytes (Python 3)
if isinstance(stdout, bytes):
output = stdout.decode('ascii')
# Split output lines into array; make empty output more readable
output_lines = output.splitlines() if output else ['[no output]']
# If output is multi-lined, print the first line of the output on a
# separate line from the "checking against solution" message, and
# skip the solution check (multi-line solution won't be correct)
if len(output_lines) > 1:
is_correct = False
click.echo() # force output to start on next line
click.secho('\n'.join(output_lines), bold=True, fg='red')
else:
is_correct = output_lines[0] == solution
fg_colour = 'green' if is_correct else 'red'
click.secho(output_lines[0], bold=True, fg=fg_colour)
click.secho(time_info, fg='cyan')
# Remove any suffix from the filename if its solution is correct
if is_correct and filename != p.filename:
rename_file(filename, p.filename)
# Exit here if answer was incorrect, otherwise return is_correct value
return sys.exit(1) if exit and not is_correct else is_correct
def verify(p, filename=None, exit=True):
"""Verifies the solution to a problem."""
filename = filename or p.filename
if not os.path.isfile(filename):
# Attempt to verify the first problem file matched by glob
try:
filename = next(p.iglob)
except StopIteration:
click.secho('No file found for problem %i.' % p.num, fg='red')
sys.exit(1)
solution = p.solution
click.echo('Checking "{0}" against solution: '.format(filename), nl=False)
cmd = (sys.executable or 'python', filename)
start = clock()
proc = subprocess.Popen(cmd, stdout=subprocess.PIPE)
stdout = proc.communicate()[0]
end = clock()
time_info = format_time(start, end)
# Return value of anything other than 0 indicates an error
if proc.poll() != 0:
click.secho('Error calling "{0}".'.format(filename), fg='red')
click.secho(time_info, fg='cyan')
# Return None if option is not --verify-all, otherwise exit
return sys.exit(1) if exit else None
# Decode output if returned as bytes (Python 3)
if isinstance(stdout, bytes):
output = stdout.decode('ascii')
# Split output lines into array; make empty output more readable
output_lines = output.splitlines() if output else ['[no output]']
# If output is multi-lined, print the first line of the output on a
# separate line from the "checking against solution" message, and
# skip the solution check (multi-line solution won't be correct)
if len(output_lines) > 1:
is_correct = False
click.echo() # force output to start on next line
click.secho('\n'.join(output_lines), bold=True, fg='red')
else:
is_correct = output_lines[0] == solution
fg_colour = 'green' if is_correct else 'red'
click.secho(output_lines[0], bold=True, fg=fg_colour)
click.secho(time_info, fg='cyan')
# Remove any suffix from the filename if its solution is correct
if is_correct and filename != p.filename:
rename_file(filename, p.filename)
# Exit here if answer was incorrect, otherwise return is_correct value
return sys.exit(1) if exit and not is_correct else is_correct
def skip(p):
"""Generates Python file for the next problem."""
click.echo("Current problem is problem %i." % p.num)
next_p = Problem(p.num + 1)
generate(next_p, prompt_default=False)
rename_file(p.filename, p.suf_name('skipped'))
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
statuses = (
('correct', 'C', 'green'),
('incorrect', 'I', 'red'),
('error', 'E', 'yellow'),
('skipped', 'S', 'cyan'),
('missing', '.', 'white'),
)
status = OrderedDict(
(key, click.style(symbol, fg=colour, bold=True))
for key, symbol, colour in statuses
)
overview = {}
# Search through problem files using glob module
for filename in glob.glob('[0-9][0-9][0-9]*.py'):
p = Problem(int(filename[: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=filename, 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(filename, p.suf_name('skipped'))
# Separate each verification with a newline
click.echo()
# No Project Euler files in the current directory
if not overview:
click.echo("No Project Euler files found in the current directory.")
sys.exit(1)
# 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(p, filename=None, exit=True):
"""Verifies the solution to a problem."""
filename = filename or p.filename
if not os.path.isfile(filename):
# Attempt a fuzzy search for problem files using the glob module
for fuzzy_file in glob.glob("{0:03d}*.py".format(p.num)):
if os.path.isfile(fuzzy_file):
filename = fuzzy_file
break
else:
click.secho("No file found for problem %i." % p.num, fg="red")
sys.exit(1)
solution = p.solution
click.echo('Checking "{0}" against solution: '.format(filename), nl=False)
cmd = [sys.executable or "python", filename]
start = clock()
proc = subprocess.Popen(cmd, stdout=subprocess.PIPE)
stdout = proc.communicate()[0]
end = clock()
time_info = format_time(start, end)
# Return value of anything other than 0 indicates an error
if proc.poll() != 0:
click.secho('Error calling "{0}".'.format(filename), fg="red")
click.secho(time_info, fg="cyan")
# Exit here if appropriate, otherwise return None (for --verify-all)
if exit:
sys.exit(1)
else:
return None
# Python 3 returns bytes; use a valid encoding like ASCII
if isinstance(stdout, bytes):
output = stdout.decode("ascii")
# Split output lines into array; make empty output more readable
output_lines = output.splitlines() if output else ["[no output]"]
# If output is multi-lined, print the first line of the output on a
# separate line from the "checking against solution" message, and
# skip the solution check (multi-line solution won't be correct)
if len(output_lines) > 1:
is_correct = False
click.echo() # force output to start on next line
for line in output_lines:
click.secho(line, bold=True, fg="red")
else:
is_correct = output_lines[0] == solution
fg_colour = "green" if is_correct else "red"
click.secho(output_lines[0], bold=True, fg=fg_colour)
click.secho(time_info, fg="cyan")
# Exit here if answer was incorrect
if exit and not is_correct:
sys.exit(1)
else:
# Remove any suffix from the filename if its solution is correct
if is_correct and filename != p.filename:
rename_file(filename, p.filename)
return is_correct
def verify_all(current_p):
"""
Verifies all problem files in the current directory and
prints an overview of the status of each problem.
"""
overview = {}
# Search through problem files using glob module
for filename in glob.glob("[0-9][0-9][0-9]*.py"):
p = Problem(int(filename[: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=filename, exit=False)
except KeyboardInterrupt:
overview[p.num] = click.style("S", fg="cyan")
else:
if is_correct is None: # error was returned by problem file
overview[p.num] = click.style("E", fg="yellow")
elif is_correct:
overview[p.num] = click.style("C", fg="green")
elif not is_correct:
overview[p.num] = click.style("I", fg="red")
# 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:
skipped_name = p.suf_name("skipped")
rename_file(filename, skipped_name)
# Separate each verification with a newline
click.echo()
# No Project Euler files in the current directory
if not overview:
click.echo("No Project Euler files found in the current directory.")
sys.exit(1)
# Print overview of the status of each problem
click.echo("-" * 63)
legend = ", ".join(
"{0} = {1}".format(click.style(symbol, bold=True, fg=colour), name)
for symbol, name, colour in (
("C", "correct", "green"),
("I", "incorrect", "red"),
("E", "error", "yellow"),
("S", "skipped", "cyan"),
(".", "missing", "white"),
)
)
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 problem file
status = overview[problem] if problem in overview else "."
click.secho(status, bold=True, nl=False)
# Separate problem indicators into groups of 5
click.echo(" " if problem % 5 == 0 else " ", nl=False)
# Start a new line at the end of each row
click.echo()
click.echo()
def skip(p):
"""Generates Python file for the next problem."""
click.echo("Current problem is problem %i." % p.num)
next_p = Problem(p.num + 1)
generate(next_p, prompt_default=False)
rename_file(p.filename, p.suf_name('skipped'))
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()
