Coverage for biobb_analysis/ambertools/cpptraj_dry.py: 83%

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1#!/usr/bin/env python3 

2 

3"""Module containing the Cpptraj Dry class and the command line interface.""" 

4import argparse 

5from pathlib import PurePath 

6from biobb_common.generic.biobb_object import BiobbObject 

7from biobb_common.configuration import settings 

8from biobb_common.tools import file_utils as fu 

9from biobb_common.tools.file_utils import launchlogger 

10from biobb_analysis.ambertools.common import get_default_value, check_top_path, check_traj_path, check_out_path, get_binary_path, get_in_parameters, get_mask, get_negative_mask, copy_instructions_file_to_container, get_out_parameters 

11 

12 

13class CpptrajDry(BiobbObject): 

14 """ 

15 | biobb_analysis CpptrajDry 

16 | Wrapper of the Ambertools Cpptraj module for dehydrating a given cpptraj compatible trajectory stripping out solvent molecules and ions. 

17 | Cpptraj (the successor to ptraj) is the main program in Ambertools for processing coordinate trajectories and data files. The parameter names and defaults are the same as the ones in the official `Cpptraj manual <https://amber-md.github.io/cpptraj/CPPTRAJ.xhtml>`_. 

18 

19 Args: 

20 input_top_path (str): Path to the input structure or topology file. File type: input. `Sample file <https://github.com/bioexcel/biobb_analysis/raw/master/biobb_analysis/test/data/ambertools/cpptraj.parm.top>`_. Accepted formats: top (edam:format_3881), pdb (edam:format_1476), prmtop (edam:format_3881), parmtop (edam:format_3881), zip (edam:format_3987). 

21 input_traj_path (str): Path to the input trajectory to be processed. File type: input. `Sample file <https://github.com/bioexcel/biobb_analysis/raw/master/biobb_analysis/test/data/ambertools/cpptraj.traj.dcd>`_. Accepted formats: mdcrd (edam:format_3878), crd (edam:format_3878), cdf (edam:format_3650), netcdf (edam:format_3650), nc (edam:format_3650), restart (edam:format_3886), ncrestart (edam:format_3886), restartnc (edam:format_3886), dcd (edam:format_3878), charmm (edam:format_3887), cor (edam:format_2033), pdb (edam:format_1476), mol2 (edam:format_3816), trr (edam:format_3910), gro (edam:format_2033), binpos (edam:format_3885), xtc (edam:format_3875), cif (edam:format_1477), arc (edam:format_2333), sqm (edam:format_2033), sdf (edam:format_3814), conflib (edam:format_2033). 

22 output_cpptraj_path (str): Path to the output processed trajectory. File type: output. `Sample file <https://github.com/bioexcel/biobb_analysis/raw/master/biobb_analysis/test/reference/ambertools/ref_cpptraj.dry.netcdf>`_. Accepted formats: mdcrd (edam:format_3878), crd (edam:format_3878), netcdf (edam:format_3650), nc (edam:format_3650), rst7 (edam:format_3886), ncrst (edam:format_2033), dcd (edam:format_3878), pdb (edam:format_1476), mol2 (edam:format_3816), binpos (edam:format_3885), trr (edam:format_3910), xtc (edam:format_3875), sqm (edam:format_2033). 

23 properties (dic - Python dictionary object containing the tool parameters, not input/output files): 

24 * **start** (*int*) - (1) [1~100000|1] Starting frame for slicing. 

25 * **end** (*int*) - (-1) [-1~100000|1] Ending frame for slicing. 

26 * **steps** (*int*) - (1) [1~100000|1] Step for slicing. 

27 * **mask** (*str*) - ("all-atoms") Mask definition. Values: c-alpha (All c-alpha atoms; protein only), backbone (Backbone atoms), all-atoms (All system atoms), heavy-atoms (System heavy atoms; not hydrogen), side-chain (All not backbone atoms), solute (All system atoms except solvent atoms), ions (All ion molecules), solvent (All solvent atoms), AnyAmberFromatMask (Amber atom selection syntax like `@*`). 

28 * **format** (*str*) - ("netcdf") Output trajectory format. Values: crd (AMBER trajectory format), cdf (Format used by netCDF software library for writing and reading chromatography-MS data files), netcdf (Format used by netCDF software library for writing and reading chromatography-MS data files), nc (Format used by netCDF software library for writing and reading chromatography-MS data files), restart (AMBER coordinate/restart file with 6 coordinates per line), ncrestart (AMBER coordinate/restart file with 6 coordinates per line), restartnc (AMBER coordinate/restart file with 6 coordinates per line), dcd (AMBER trajectory format), charmm (Format of CHARMM Residue Topology Files (RTF)), cor (Charmm COR), pdb (Protein Data Bank format), mol2 (Complete and portable representation of a SYBYL molecule), trr (Trajectory of a simulation experiment used by GROMACS), gro (GROMACS structure), binpos (Translation of the ASCII atom coordinate format to binary code), xtc (Portable binary format for trajectories produced by GROMACS package), cif (Entry format of PDB database in mmCIF format), arc (Tinker ARC), sqm (SQM Input), sdf (One of a family of chemical-data file formats developed by MDL Information Systems), conflib (LMOD Conflib). 

29 * **binary_path** (*str*) - ("cpptraj") Path to the cpptraj executable binary. 

30 * **remove_tmp** (*bool*) - (True) [WF property] Remove temporal files. 

31 * **restart** (*bool*) - (False) [WF property] Do not execute if output files exist. 

32 * **container_path** (*str*) - (None) Container path definition. 

33 * **container_image** (*str*) - ('afandiadib/ambertools:serial') Container image definition. 

34 * **container_volume_path** (*str*) - ('/tmp') Container volume path definition. 

35 * **container_working_dir** (*str*) - (None) Container working directory definition. 

36 * **container_user_id** (*str*) - (None) Container user_id definition. 

37 * **container_shell_path** (*str*) - ('/bin/bash') Path to default shell inside the container. 

38 

39 Examples: 

40 This is a use example of how to use the building block from Python:: 

41 

42 from biobb_analysis.ambertools.cpptraj_dry import cpptraj_dry 

43 prop = { 

44 'start': 1, 

45 'end': -1, 

46 'steps': 1, 

47 'mask': 'c-alpha', 

48 'format': 'netcdf' 

49 } 

50 cpptraj_dry(input_top_path='/path/to/myTopology.top', 

51 input_traj_path='/path/to/myTrajectory.dcd', 

52 output_cpptraj_path='/path/to/newTrajectory.netcdf', 

53 properties=prop) 

54 

55 Info: 

56 * wrapped_software: 

57 * name: Ambertools Cpptraj 

58 * version: >=20.0 

59 * license: GNU 

60 * ontology: 

61 * name: EDAM 

62 * schema: http://edamontology.org/EDAM.owl 

63 

64 """ 

65 

66 def __init__(self, input_top_path, input_traj_path, output_cpptraj_path, 

67 properties=None, **kwargs) -> None: 

68 properties = properties or {} 

69 

70 # Call parent class constructor 

71 super().__init__(properties) 

72 self.locals_var_dict = locals().copy() 

73 

74 # Input/Output files 

75 self.io_dict = { 

76 "in": {"input_top_path": input_top_path, "input_traj_path": input_traj_path}, 

77 "out": {"output_cpptraj_path": output_cpptraj_path} 

78 } 

79 

80 # Properties specific for BB 

81 self.instructions_file = get_default_value('instructions_file') 

82 self.start = properties.get('start', 1) 

83 self.end = properties.get('end', -1) 

84 self.steps = properties.get('steps', 1) 

85 self.mask = properties.get('mask', 'all-atoms') 

86 self.format = properties.get('format', 'netcdf') 

87 self.properties = properties 

88 self.binary_path = get_binary_path(properties, 'binary_path') 

89 

90 # Check the properties 

91 self.check_properties(properties) 

92 self.check_arguments() 

93 

94 def check_data_params(self, out_log, err_log): 

95 """ Checks all the input/output paths and parameters """ 

96 self.io_dict["in"]["input_top_path"], self.input_top_path_orig = check_top_path(self.io_dict["in"]["input_top_path"], out_log, self.__class__.__name__) 

97 self.io_dict["in"]["input_traj_path"] = check_traj_path(self.io_dict["in"]["input_traj_path"], out_log, self.__class__.__name__) 

98 self.io_dict["out"]["output_cpptraj_path"] = check_out_path(self.io_dict["out"]["output_cpptraj_path"], out_log, self.__class__.__name__) 

99 self.in_parameters = {'start': self.start, 'end': self.end, 'step': self.steps, 'mask': self.mask} 

100 self.out_parameters = {'format': self.format} 

101 

102 def create_instructions_file(self, container_io_dict, out_log, err_log): 

103 """Creates an input file using the properties file settings""" 

104 instructions_list = [] 

105 # different path if container execution or not 

106 if self.container_path: 

107 self.instructions_file = str(PurePath(self.container_volume_path).joinpath(self.instructions_file)) 

108 else: 

109 self.instructions_file = str(PurePath(fu.create_unique_dir()).joinpath(self.instructions_file)) 

110 fu.create_name(prefix=self.prefix, step=self.step, name=self.instructions_file) 

111 

112 # parm 

113 instructions_list.append('parm ' + container_io_dict["in"]["input_top_path"]) 

114 

115 # trajin 

116 in_params = get_in_parameters(self.in_parameters, out_log) 

117 instructions_list.append('trajin ' + container_io_dict["in"]["input_traj_path"] + ' ' + in_params) 

118 

119 # dry 

120 mask_dry1 = get_negative_mask('solute', out_log) 

121 instructions_list.append('strip ' + mask_dry1) 

122 mask_dry2 = get_mask('heavy-atoms', out_log) 

123 instructions_list.append('strip ' + mask_dry2) 

124 

125 # mask 

126 mask = self.in_parameters.get('mask', '') 

127 if mask: 

128 strip_mask = get_negative_mask(mask, out_log) 

129 instructions_list.append('strip ' + strip_mask) 

130 

131 # trajout 

132 out_params = get_out_parameters(self.out_parameters, out_log) 

133 instructions_list.append('trajout ' + container_io_dict["out"]["output_cpptraj_path"] + ' ' + out_params) 

134 

135 # create .in file 

136 with open(self.instructions_file, 'w') as mdp: 

137 for line in instructions_list: 

138 mdp.write(line.strip() + '\n') 

139 

140 return self.instructions_file 

141 

142 @launchlogger 

143 def launch(self) -> int: 

144 """Execute the :class:`CpptrajDry <ambertools.cpptraj_dry.CpptrajDry>` ambertools.cpptraj_dry.CpptrajDry object.""" 

145 

146 # check input/output paths and parameters 

147 self.check_data_params(self.out_log, self.err_log) 

148 

149 # Setup Biobb 

150 if self.check_restart(): 

151 return 0 

152 self.stage_files() 

153 

154 # create instructions file 

155 self.create_instructions_file(self.stage_io_dict, self.out_log, self.err_log) 

156 

157 # if container execution, copy intructions file to container 

158 if self.container_path: 

159 copy_instructions_file_to_container(self.instructions_file, self.stage_io_dict['unique_dir']) 

160 

161 # create cmd and launch execution 

162 self.cmd = [self.binary_path, '-i', self.instructions_file] 

163 

164 # Run Biobb block 

165 self.run_biobb() 

166 

167 # Copy files to host 

168 self.copy_to_host() 

169 

170 # remove temporary folder(s) 

171 self.tmp_files.extend([ 

172 self.stage_io_dict.get("unique_dir"), 

173 PurePath(self.instructions_file).parent 

174 ]) 

175 self.remove_tmp_files() 

176 

177 self.check_arguments(output_files_created=True, raise_exception=False) 

178 

179 return self.return_code 

180 

181 

182def cpptraj_dry(input_top_path: str, input_traj_path: str, output_cpptraj_path: str, properties: dict = None, **kwargs) -> int: 

183 """Execute the :class:`CpptrajDry <ambertools.cpptraj_dry.CpptrajDry>` class and 

184 execute the :meth:`launch() <ambertools.cpptraj_dry.CpptrajDry.launch>` method.""" 

185 

186 return CpptrajDry(input_top_path=input_top_path, 

187 input_traj_path=input_traj_path, 

188 output_cpptraj_path=output_cpptraj_path, 

189 properties=properties, **kwargs).launch() 

190 

191 

192def main(): 

193 """Command line execution of this building block. Please check the command line documentation.""" 

194 parser = argparse.ArgumentParser(description="Dehydrates a given cpptraj compatible trajectory stripping out solvent molecules and ions.", formatter_class=lambda prog: argparse.RawTextHelpFormatter(prog, width=99999)) 

195 parser.add_argument('--config', required=False, help='Configuration file') 

196 

197 # Specific args of each building block 

198 required_args = parser.add_argument_group('required arguments') 

199 required_args.add_argument('--input_top_path', required=True, help='Path to the input structure or topology file. Accepted formats: top, pdb, prmtop, parmtop, zip.') 

200 required_args.add_argument('--input_traj_path', required=True, help='Path to the input trajectory to be processed. Accepted formats: crd, cdf, netcdf, restart, ncrestart, restartnc, dcd, charmm, cor, pdb, mol2, trr, gro, binpos, xtc, cif, arc, sqm, sdf, conflib.') 

201 required_args.add_argument('--output_cpptraj_path', required=True, help='Path to the output processed trajectory.') 

202 

203 args = parser.parse_args() 

204 args.config = args.config or "{}" 

205 properties = settings.ConfReader(config=args.config).get_prop_dic() 

206 

207 # Specific call of each building block 

208 cpptraj_dry(input_top_path=args.input_top_path, 

209 input_traj_path=args.input_traj_path, 

210 output_cpptraj_path=args.output_cpptraj_path, 

211 properties=properties) 

212 

213 

214if __name__ == '__main__': 

215 main()