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# http://pyrocko.org - GPLv3 

# 

# The Pyrocko Developers, 21st Century 

# ---|P------/S----------~Lg---------- 

from __future__ import absolute_import 

import os 

import os.path as op 

from copy import deepcopy 

 

from . import util 

from .guts import Object, Float, String, load, dump, List, Dict, TBase, \ 

Tuple, StringChoice, Bool 

 

guts_prefix = 'pf' 

 

pyrocko_dir_tmpl = os.environ.get( 

'PYROCKO_DIR', 

os.path.join('~', '.pyrocko')) 

 

 

def make_conf_path_tmpl(name='config'): 

return op.join(pyrocko_dir_tmpl, '%s.pf' % name) 

 

 

default_phase_key_mapping = { 

'F1': 'P', 'F2': 'S', 'F3': 'R', 'F4': 'Q', 'F5': '?'} 

 

 

class BadConfig(Exception): 

pass 

 

 

class PathWithPlaceholders(String): 

'''Path, possibly containing placeholders.''' 

pass 

 

 

class VisibleLengthSetting(Object): 

class __T(TBase): 

def regularize_extra(self, val): 

if isinstance(val, list): 

return self.cls(key=val[0], value=val[1]) 

 

return val 

 

def to_save(self, val): 

return (val.key, val.value) 

 

def to_save_xml(self, val): 

raise NotImplementedError() 

 

key = String.T() 

value = Float.T() 

 

 

class ConfigBase(Object): 

@classmethod 

def default(cls): 

return cls() 

 

 

class SnufflerConfig(ConfigBase): 

visible_length_setting = List.T( 

VisibleLengthSetting.T(), 

default=[VisibleLengthSetting(key='Short', value=6000.), 

VisibleLengthSetting(key='Medium', value=20000.), 

VisibleLengthSetting(key='Long', value=60000.)]) 

phase_key_mapping = Dict.T( 

String.T(), String.T(), default=default_phase_key_mapping) 

demean = Bool.T(default=True) 

show_scale_ranges = Bool.T(default=False) 

show_scale_axes = Bool.T(default=False) 

trace_scale = String.T(default='individual_scale') 

show_boxes = Bool.T(default=True) 

clip_traces = Bool.T(default=True) 

first_start = Bool.T(default=True) 

 

def get_phase_name(self, key): 

return self.phase_key_mapping.get('F%s' % key, 'Undefined') 

 

 

class PyrockoConfig(ConfigBase): 

cache_dir = PathWithPlaceholders.T( 

default=os.path.join(pyrocko_dir_tmpl, 'cache')) 

earthradius = Float.T(default=6371.*1000.) 

fdsn_timeout = Float.T(default=None, optional=True) 

gf_store_dirs = List.T(PathWithPlaceholders.T()) 

gf_store_superdirs = List.T(PathWithPlaceholders.T()) 

topo_dir = PathWithPlaceholders.T( 

default=os.path.join(pyrocko_dir_tmpl, 'topo')) 

tectonics_dir = PathWithPlaceholders.T( 

default=os.path.join(pyrocko_dir_tmpl, 'tectonics')) 

geonames_dir = PathWithPlaceholders.T( 

default=os.path.join(pyrocko_dir_tmpl, 'geonames')) 

crustdb_dir = PathWithPlaceholders.T( 

default=os.path.join(pyrocko_dir_tmpl, 'crustdb')) 

gshhg_dir = PathWithPlaceholders.T( 

default=os.path.join(pyrocko_dir_tmpl, 'gshhg')) 

leapseconds_path = PathWithPlaceholders.T( 

default=os.path.join(pyrocko_dir_tmpl, 'leap-seconds.list')) 

leapseconds_url = String.T( 

default='https://www.ietf.org/timezones/data/leap-seconds.list') 

earthdata_credentials = Tuple.T( 

2, String.T(), 

optional=True) 

gui_toolkit = StringChoice.T( 

choices=['auto', 'qt4', 'qt5'], 

default='auto') 

use_high_precision_time = Bool.T(default=False) 

 

 

config_cls = { 

'config': PyrockoConfig, 

'snuffler': SnufflerConfig 

} 

 

 

def fill_template(tmpl, config_type): 

tmpl = tmpl .format( 

module=('.' + config_type) if config_type != 'pyrocko' else '') 

return tmpl 

 

 

def expand(x): 

x = op.expanduser(op.expandvars(x)) 

return x 

 

 

def rec_expand(x): 

for prop, val in x.T.ipropvals(x): 

if prop.multivalued: 

if val is not None: 

for i, ele in enumerate(val): 

if isinstance(prop.content_t, PathWithPlaceholders.T): 

newele = expand(ele) 

if newele != ele: 

val[i] = newele 

 

elif isinstance(ele, Object): 

rec_expand(ele) 

else: 

if isinstance(prop, PathWithPlaceholders.T): 

newval = expand(val) 

if newval != val: 

setattr(x, prop.name, newval) 

 

elif isinstance(val, Object): 

rec_expand(val) 

 

 

def processed(config): 

config = deepcopy(config) 

rec_expand(config) 

return config 

 

 

def mtime(p): 

return os.stat(p).st_mtime 

 

 

g_conf_mtime = {} 

g_conf = {} 

 

 

def raw_config(config_name='config'): 

 

conf_path = expand(make_conf_path_tmpl(config_name)) 

 

if not op.exists(conf_path): 

g_conf[config_name] = config_cls[config_name].default() 

write_config(g_conf[config_name], config_name) 

 

conf_mtime_now = mtime(conf_path) 

if conf_mtime_now != g_conf_mtime.get(config_name, None): 

g_conf[config_name] = load(filename=conf_path) 

if not isinstance(g_conf[config_name], config_cls[config_name]): 

raise BadConfig('config file does not contain a ' 

'valid "%s" section.' % 

config_cls[config_name].__name__) 

 

g_conf_mtime[config_name] = conf_mtime_now 

 

return g_conf[config_name] 

 

 

def config(config_name='config'): 

return processed(raw_config(config_name)) 

 

 

def write_config(conf, config_name='config'): 

conf_path = expand(make_conf_path_tmpl(config_name)) 

util.ensuredirs(conf_path) 

dump(conf, filename=conf_path) 

 

 

override_gui_toolkit = None 

 

 

def effective_gui_toolkit(): 

return override_gui_toolkit or config().gui_toolkit