def write_table(config: Config, df: DF, output: IO) -> None:
"""Write a memory usage data frame as a human-readable table."""
memdf.util.pretty.debug(df)
if df.shape[0]:
df = df.copy()
if 'symbol' in df.columns and config['report.demangle']:
df['symbol'] = df['symbol'].apply(demangle)
last_column_is_left_justified = False
formatters = []
for column in df.columns:
if column.endswith('address'):
# Hex format address.
width = (int(df[column].max()).bit_length() + 3) // 4
formatters.append(lambda x:
'{0:0{width}X}'.format(x, width=width))
elif pd.api.types.is_string_dtype(df.dtypes[column]):
df[column] = df[column].astype(str)
# Left justify strings.
width = max(len(column), df[column].str.len().max())
formatters.append(lambda x: x.ljust(width))
if column == df.columns[-1]:
last_column_is_left_justified = True
else:
formatters.append(str)
s = df.to_string(index=False, formatters=formatters, justify='left')
if last_column_is_left_justified:
# Strip trailing spaces.
for line in s.split('\n'):
print(line.rstrip())
else:
print(s, file=output)
else:
# No rows. `df.to_string()` doesn't look like a text table in this case.
print(' '.join(df.columns))
def write_text(config: Config, df: DF, output: IO, **_kwargs) -> None:
"""Write a memory usage data frame as a human-readable table."""
memdf.util.pretty.debug(df)
if df.shape[0]:
df = df.copy()
last_column_is_left_justified = False
formatters = []
for column in df.columns:
if pd.api.types.is_string_dtype(df.dtypes[column]):
df[column] = df[column].astype(str)
# Left justify strings.
width = max(len(column), df[column].str.len().max())
formatters.append(lambda x: x.ljust(width))
if column == df.columns[-1]:
last_column_is_left_justified = True
else:
formatters.append(str)
s = df.to_string(index=False, formatters=formatters, justify='left')
if last_column_is_left_justified:
# Strip trailing spaces.
for line in s.split('\n'):
print(line.rstrip())
else:
print(s, file=output)
else:
# No rows. `df.to_string()` doesn't look like a text table in this case.
print(' '.join(df.columns))
def write_table(config: Config, df: DF, output: IO) -> None:
"""Write a memory usage data frame as a human-readable table."""
memdf.util.pretty.debug(df)
if df.shape[0]:
df = df.copy()
if 'symbol' in df.columns and config['report.demangle']:
df['symbol'] = df['symbol'].apply(demangle)
for column in df.columns:
if column.endswith('address'):
# Hex format address.
width = (int(df[column].max()).bit_length() + 3) // 4
df[column] = df[column].apply(
lambda s: '{0:0{width}X}'.format(s, width=width))
elif pd.api.types.is_string_dtype(df.dtypes[column]):
# Left justify strings.
df[column] = df[column].astype(str)
width = max(len(column), df[column].str.len().max())
df[column] = df[column].apply(lambda s: s.ljust(width))
print(df.to_string(index=False), file=output)
else:
# No rows. `df.to_string()` doesn't look like a text table in this case.
print(' '.join(df.columns))
def maybe_copy(copied, df):
return (True, df if copied else df.copy())