Newer
Older
"""Base data manager for Earth diagnostics"""
from earthdiagnostics.datafile import NetCDFFile as NCfile, StorageStatus, LocalStatus, UnitConversion
from earthdiagnostics.variable import VariableType
"""
Class to manage the data repositories
Parameters
----------
config: Config
Javier Vegas-Regidor
committed
def __init__(self, config):
self.config = config
self.experiment = config.experiment
self.variable_list = config.var_manager
def _get_file_from_storage(self, filepath):
if filepath not in self.requested_files:
self.requested_files[filepath] = NCfile.from_storage(filepath, self.config.data_convention)
file_object = self.requested_files[filepath]
file_object.local_status = LocalStatus.PENDING
def _declare_generated_file(self, remote_file, domain, final_var, cmor_var, data_convention,
region, diagnostic, grid, var_type, original_var):
if remote_file not in self.requested_files:
self.requested_files[remote_file] = NCfile.to_storage(remote_file, data_convention)
file_object = self.requested_files[remote_file]
file_object.diagnostic = diagnostic
file_object.var_type = var_type
file_object.grid = grid
file_object.data_manager = self
file_object.domain = domain
file_object.var = original_var
file_object.final_name = final_var
file_object.cmor_var = cmor_var
file_object.region = region
file_object.storage_status = StorageStatus.PENDING
return file_object
@staticmethod
def _get_final_var_name(box, var):
if box:
var += box.get_lon_str() + box.get_lat_str() + box.get_depth_str()
return var
def link_file(self, domain, var, cmor_var, startdate, member, chunk=None, grid=None,
frequency=None, year=None, date_str=None, move_old=False, vartype=VariableType.MEAN):
Create the link of a given file from the CMOR repository.
:param move_old:
:param date_str:
:param year: if frequency is yearly, this parameter is used to give the corresponding year
:type year: int
:param domain: CMOR domain
Javier Vegas-Regidor
committed
:type domain: Domain
:param var: variable name
:type var: str
:param startdate: file's startdate
:type startdate: str
:param member: file's member
:type member: int
:param chunk: file's chunk
:type chunk: int
:param grid: file's grid (only needed if it is not the original)
:type grid: str
:param frequency: file's frequency (only needed if it is different from the default)
:type frequency: str
:param vartype: Variable type (mean, statistic)
:type vartype: VariableType
:return: path to the copy created on the scratch folder
:rtype: str
"""
pass
"""Prepare the data to be used by Earth Diagnostics"""
def request_chunk(self, domain, var, startdate, member, chunk, grid=None, box=None, frequency=None, vartype=None):
"""
Request a given file from the CMOR repository to the scratch folder and returns the path to the scratch's copy
Parameters
----------
domain: ModelingRealm
var: str
startdate: str
member: int
chunk: int
grid: str or None, optional
box: Box or None, optional
frequency: Frequency or None, optional
vartype: VariableType or None, optional
Raises
------
NotImplementedError
If not implemented by derived classes
"""
raise NotImplementedError('Class must override request_chunk method')
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
def request_year(self, diagnostic, domain, var, startdate, member, year, grid=None, box=None, frequency=None):
"""
Request a given year for a variavle from a CMOR repository
Parameters
----------
diagnostic: Diagnostic
domain: ModelingRealm
var: str
startdate: str
member: int
year: int
grid: str or None, optional
box: Box or None, optional
frequency: Frequency or None, optional
Returns
-------
DataFile
Raises
------
NotImplementedError
If not implemented by derived classes
"""
raise NotImplementedError('Class must override request_year method')
def declare_chunk(self, domain, var, startdate, member, chunk, grid=None, region=None, box=None, frequency=None,
vartype=VariableType.MEAN, diagnostic=None):
"""
Declare a variable chunk to be generated by a diagnostic
Parameters
----------
domain: ModelingRealm
var: str
startdate: str
member: int
chunk: int
grid: str or None, optional
region: Basin or None, optional
box: Box or None, optional
frequency: Frequency or None, optional
vartype: VariableType, optional
diagnostic: Diagnostic, optional
Returns
-------
DataFile
Raises
------
NotImplementedError
If not implemented by derived classes
"""
raise NotImplementedError('Class must override declare_chunk method')
def declare_year(self, domain, var, startdate, member, year, grid=None, box=None,
vartype=VariableType.MEAN, diagnostic=None):
"""
Declare a variable year to be generated by a diagnostic
Parameters
----------
domain: ModelingRealm
var: str
startdate: str
member: int
year: int
grid: str or None, optional
box: Box or None, optional
vartype: VariableType, optional
diagnostic: Diagnostic, optional
Returns
-------
DataFile
Raises
------
NotImplementedError
If not implemented by derived classes
"""
raise NotImplementedError('Class must override declare_year method')
def file_exists(self, domain, var, startdate, member, chunk, grid=None, box=None, frequency=None,
vartype=VariableType.MEAN, possible_versions=None):
"""
Check if a file exists in the storage
Parameters
----------
domain: ModelingRealm
var: str
startdate: str
member: int
chunk: int
grid: str or None, optional
box: Box or None, optional
frequency: Frequency or None, optional
vartype: VariableType, optional
possible_versions: iterable od str or None, optional
Raises
------
NotImplementedError
If not implemented by derived classes
Returns
-------
bool
"""
raise NotImplementedError('Class must override file_exists method')