def run(self, config_filename):
"""
The "main" of the wrapper generator. Returns 0 on success, 1 if one or more errors occurred.
:param str config_filename: The name of the configuration file.
:return: The exit code.
:rtype: int
"""
self._read_configuration_file(config_filename)
routines = self._read_routine_metadata()
self._write_class_header()
if routines:
for routine_name in sorted(routines):
if routines[routine_name]['designation'] != 'hidden':
self._write_routine_function(routines[routine_name])
else:
print("No files with stored routines found.")
self._write_class_trailer()
Util.write_two_phases(self._wrapper_filename, self._code)
return 0
def _write_columns(self):
"""
Writes table and column names, the width of the column, and the constant name (if assigned) to
constants_filename.
"""
content = ''
for table_name, table in sorted(self._columns.items()):
width1 = 0
width2 = 0
key_map = {}
for column_name, column in table.items():
key_map[column['ordinal_position']] = column_name
width1 = max(len(str(column['column_name'])), width1)
width2 = max(len(str(column['length'])), width2)
for ord_position, column_name in sorted(key_map.items()):
if table[column_name]['length'] is not None:
if 'constant_name' in table[column_name]:
line_format = "%%s.%%-%ds %%%dd %%s\n" % (int(width1), int(width2))
content += line_format % (table[column_name]['table_name'],
table[column_name]['column_name'],
table[column_name]['length'],
table[column_name]['constant_name'])
else:
line_format = "%%s.%%-%ds %%%dd\n" % (int(width1), int(width2))
content += line_format % (table[column_name]['table_name'],
table[column_name]['column_name'],
table[column_name]['length'])
content += "\n"
# Save the columns, width and constants to the filesystem.
Util.write_two_phases(self._constants_filename, content)
def _write_columns(self):
"""
Writes table and column names, the width of the column, and the constant name (if assigned) to
constants_filename.
"""
content = ''
for table_name, table in sorted(self._columns.items()):
width1 = 0
width2 = 0
key_map = {}
for column_name, column in table.items():
key_map[column['ordinal_position']] = column_name
width1 = max(len(str(column['column_name'])), width1)
width2 = max(len(str(column['length'])), width2)
for ord_position, column_name in sorted(key_map.items()):
if table[column_name]['length'] is not None:
if 'constant_name' in table[column_name]:
line_format = "%%s.%%-%ds %%%dd %%s\n" % (int(width1), int(width2))
content += line_format % (table[column_name]['table_name'],
table[column_name]['column_name'],
table[column_name]['length'],
table[column_name]['constant_name'])
else:
line_format = "%%s.%%-%ds %%%dd\n" % (int(width1), int(width2))
content += line_format % (table[column_name]['table_name'],
table[column_name]['column_name'],
table[column_name]['length'])
content += "\n"
# Save the columns, width and constants to the filesystem.
Util.write_two_phases(self._constants_filename, content)
def __write_constant_class(self):
"""
Inserts new and replaces old (if any) constant declaration statements in the class that acts like a namespace
for constants.
"""
helper = ConstantClass(self._class_name, self._io)
content = helper.source_with_constants(self._constants)
Util.write_two_phases(helper.file_name(), content, self._io)
def _write_target_config_file(self):
"""
Creates a python configuration file with constants.
"""
content = ''
for constant, value in sorted(self._constants.items()):
content += "{0!s} = {1!s}\n".format(str(constant), str(value))
# Save the configuration file.
Util.write_two_phases(self._config_filename, content, self._io)
def _write_target_config_file(self):
"""
Creates a python configuration file with constants.
:return:
"""
content = ''
for constant, value in sorted(self._constants.items()):
content += "%s = %s\n" % (str(constant), str(value))
# Save the configuration file.
Util.write_two_phases(self._config_filename, content)
def _write_target_config_file(self):
"""
Creates a python configuration file with constants.
:return:
"""
content = ''
for constant, value in sorted(self._constants.items()):
content += "%s = %s\n" % (str(constant), str(value))
# Save the configuration file.
Util.write_two_phases(self._config_filename, content)
def __generate_wrapper_class(self):
"""
Generates the wrapper class.
"""
routines = self._read_routine_metadata()
self._write_class_header()
if routines:
for routine_name in sorted(routines):
if routines[routine_name]['designation'] != 'hidden':
self._write_routine_function(routines[routine_name])
else:
self._io.error('No files with stored routines found')
self._write_class_trailer()
Util.write_two_phases(self._wrapper_filename, self._code, self._io)
def _write_columns(self):
"""
Writes table and column names, the width of the column, and the constant name (if assigned) to
constants_filename.
"""
content = ''
for schema_name, schema in sorted(self._columns.items()):
for table_name, table in sorted(schema.items()):
width1 = 0
width2 = 0
key_map = {}
for column_name, column in table.items():
key_map[column['column_id']] = column_name
width1 = max(len(str(column['column_name'])), width1)
width2 = max(len(str(column['length'])), width2)
for col_id, column_name in sorted(key_map.items()):
if table[column_name]['length'] is not None:
if 'constant_name' in table[column_name]:
line_format = "%s.%s.%-{0:d}s %{1:d}d %s\n".format(int(width1), int(width2))
content += line_format % (schema_name,
table[column_name]['table_name'],
table[column_name]['column_name'],
table[column_name]['length'],
table[column_name]['constant_name'])
else:
line_format = "%s.%s.%-{0:d}s %{1:d}d\n".format(int(width1), int(width2))
content += line_format % (schema_name,
table[column_name]['table_name'],
table[column_name]['column_name'],
table[column_name]['length'])
content += "\n"""
# Save the columns, width, and constants to the filesystem.
Util.write_two_phases(self._constants_filename, content, self._io)