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#!/usr/bin/env python |
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# Last modified: Time-stamp: <2008-09-30 17:40:58 haines> |
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"""Process raw data to monthly netCDF data files |
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|
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This module processes raw ascii- or binary-data from different NCCOOS |
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sensors (ctd, adcp, waves-adcp, met) based on manual or automated |
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operation. If automated processing, add raw data (level0) from all |
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active sensors to current month's netcdf data files (level1) with the |
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current configuration setting. If manual processing, determine which |
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configurations to use for requested platform, sensor, and month. |
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|
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:Processing steps: |
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0. raw2proc auto or manual for platform, sensor, month |
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1. list of files to process |
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2. parse data |
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3. create, update netcdf |
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|
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to-do |
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3. qc (measured) data |
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4. process derived data (and regrid?) |
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5. qc (measured and derived) data flags |
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|
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""" |
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__version__ = "v0.1" |
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__author__ = "Sara Haines <sara_haines@unc.edu>" |
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import sys |
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import os |
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import re |
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# for production use: |
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# defconfigs='/home/haines/nccoos/raw2proc' |
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# for testing use: |
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# defconfigs='/home/haines/nccoos/test/r2p' |
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# define config file location to run under cron |
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defconfigs='/home/haines/nccoos/raw2proc' |
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import numpy |
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|
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from procutil import * |
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from ncutil import * |
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REAL_RE_STR = '\\s*(-?\\d(\\.\\d+|)[Ee][+\\-]\\d\\d?|-?(\\d+\\.\\d*|\\d*\\.\\d+)|-?\\d+)\\s*' |
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|
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def load_data(inFile): |
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lines=None |
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if os.path.exists(inFile): |
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f = open(inFile, 'r') |
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lines = f.readlines() |
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f.close() |
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if len(lines)<=0: |
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print 'Empty file: '+ inFile |
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else: |
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print 'File does not exist: '+ inFile |
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return lines |
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|
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def import_parser(name): |
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mod = __import__('parsers') |
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parser = getattr(mod, name) |
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return parser |
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|
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def import_processors(mod_name): |
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mod = __import__(mod_name) |
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parser = getattr(mod, 'parser') |
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creator = getattr(mod, 'creator') |
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updater = getattr(mod, 'updater') |
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return (parser, creator, updater) |
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def get_config(name): |
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"""Usage Example >>>sensor_info = get_config('bogue_config_20060918.sensor_info')""" |
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components = name.split('.') |
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mod = __import__(components[0]) |
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for comp in components[1:]: |
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attr = getattr(mod, comp) |
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return attr |
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def find_configs(platform, yyyy_mm, config_dir=''): |
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"""Find which configuration files for specified platform and month |
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|
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:Parameters: |
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platform : string |
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Platfrom id to process (e.g. 'bogue') |
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yyyy_mm : string |
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Year and month of data to process (e.g. '2007_07') |
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:Returns: |
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cns : list of str |
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List of configurations that overlap with desired month |
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If empty [], no configs were found |
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""" |
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import glob |
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# list of config files based on platform |
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configs = glob.glob(os.path.join(config_dir, platform + '_config_*.py')) |
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configs.sort() |
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now_dt = datetime.utcnow() |
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now_dt.replace(microsecond=0) |
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# determine when month starts and ends |
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(prev_month, this_month, next_month) = find_months(yyyy_mm) |
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month_start_dt = this_month |
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month_end_dt = next_month - timedelta(seconds=1) |
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# print month_start_dt; print month_end_dt |
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# |
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cns = [] |
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for config in configs: |
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# datetime from filename |
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cn = os.path.splitext(os.path.basename(config))[0] |
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cndt = filt_datetime(os.path.basename(config))[0] |
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pi = get_config(cn+'.platform_info') |
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if pi['config_start_date']: |
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config_start_dt = filt_datetime(pi['config_start_date'])[0] |
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elif pi['config_start_date'] == None: |
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config_start_dt = now_dt |
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if pi['config_end_date']: |
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config_end_dt = filt_datetime(pi['config_end_date'])[0] |
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elif pi['config_end_date'] == None: |
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config_end_dt = now_dt |
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# |
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if (config_start_dt <= month_start_dt or config_start_dt <= month_end_dt) and \ |
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(config_end_dt >= month_start_dt or config_end_dt >= month_end_dt): |
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cns.append(cn) |
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return cns |
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def find_active_configs(config_dir=''): |
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"""Find which configuration files are active |
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|
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:Returns: |
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cns : list of str |
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List of configurations that overlap with desired month |
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If empty [], no configs were found |
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""" |
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import glob |
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# list of all config files |
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configs = glob.glob(os.path.join(config_dir, '*_config_*.py')) |
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now_dt = datetime.utcnow() |
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now_dt.replace(microsecond=0) |
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# |
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cns = [] |
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for config in configs: |
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# datetime from filename |
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cn = os.path.splitext(os.path.basename(config))[0] |
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cndt = filt_datetime(os.path.basename(config))[0] |
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pi = get_config(cn+'.platform_info') |
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if pi['config_end_date'] == None: |
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cns.append(cn) |
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return cns |
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def find_raw(si, yyyy_mm): |
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"""Determine which list of raw files to process for month """ |
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import glob |
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# determine when month starts and ends |
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# |
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months = find_months(yyyy_mm) |
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# list all the raw files in prev-month, this-month, and next-month |
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all_raw_files = [] |
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for mon in months: |
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mstr = mon.strftime('%Y_%m') |
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gs = os.path.join(si['raw_dir'], mstr, si['raw_file_glob']) |
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all_raw_files.extend(glob.glob(gs)) |
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all_raw_files.sort() |
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|
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# ****** ((SMH) NOTE: Will need to override looking in specific |
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# subdirs of months if all data is contained in one file for long |
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# deployment, such as with adcp binary data. |
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# |
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dt_start = si['proc_start_dt']-timedelta(days=1) |
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dt_end = si['proc_end_dt']+timedelta(days=1) |
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raw_files = []; raw_dts = [] |
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# compute datetime for each file |
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for fn in all_raw_files: |
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# JC changes |
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fndt_tuple = filt_datetime(os.path.basename(fn)) |
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fndt = fndt_tuple[0] |
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# "ind" var from filt_datetime() - what level of granularity was used |
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granularity = fndt_tuple[1] |
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if granularity == 4: |
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# change dt_start to before monthly filename filt_datetime() date |
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dt_start = si['proc_start_dt']-timedelta(days=31) |
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# print dt_start |
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# end JC changes |
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if fndt: |
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if dt_start <= fndt <= dt_end: |
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raw_files.append(fn) |
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raw_dts.append(fndt) |
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return (raw_files, raw_dts) |
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def which_raw(pi, raw_files, dts): |
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"""Further limit file names based on configuration file timeframe """ |
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now_dt = datetime.utcnow() |
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now_dt.replace(microsecond=0) |
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if pi['config_start_date']: |
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config_start_dt = filt_datetime(pi['config_start_date'])[0] |
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elif pi['config_start_date'] == None: |
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config_start_dt = now_dt |
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if pi['config_end_date']: |
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config_end_dt = filt_datetime(pi['config_end_date'])[0] |
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elif pi['config_end_date'] == None: |
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config_end_dt = now_dt |
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new_list = [raw_files[i] for i in range(len(raw_files)) \ |
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if config_start_dt <= dts[i] <= config_end_dt] |
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if not new_list: |
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new_list = [raw_files[i] for i in range(len(raw_files)) \ |
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if dts[i] <= config_end_dt] |
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return new_list |
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def raw2proc(proctype, platform=None, package=None, yyyy_mm=None): |
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""" |
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Process data either in auto-mode or manual-mode |
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|
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If auto-mode, process newest data for all platforms, all |
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sensors. Otherwise in manual-mode, process data for specified |
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platform, sensor package, and month. |
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|
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:Parameters: |
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proctype : string |
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'auto' or 'manual' |
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platform : string |
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Platfrom id to process (e.g. 'bogue') |
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package : string |
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Sensor package id to process (e.g. 'adcp') |
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yyyy_mm : string |
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Year and month of data to process (e.g. '2007_07') |
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|
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Examples |
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-------- |
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>>> raw2proc(proctype='manual', platform='bogue', package='adcp', yyyy_mm='2007_06') |
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>>> raw2proc('manual', 'bogue', 'adcp', '2007_06') |
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|
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""" |
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print '\nStart time for raw2proc: %s\n' % start_dt.strftime("%Y-%b-%d %H:%M:%S UTC") |
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if proctype == 'auto': |
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print 'Processing in auto-mode, all platforms, all packages, latest data' |
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auto() |
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elif proctype == 'manual': |
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if platform and package and yyyy_mm: |
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print 'Processing in manually ...' |
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print ' ... platform id : %s' % platform |
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print ' ... package name : %s' % package |
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print ' ... month : %s' % yyyy_mm |
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print ' ... starting at : %s' % start_dt.strftime("%Y-%m-%d %H:%M:%S UTC") |
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manual(platform, package, yyyy_mm) |
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else: |
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print 'raw2proc: Manual operation requires platform, package, and month' |
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print " >>> raw2proc(proctype='manual', platform='bogue', package='adcp', yyyy_mm='2007_07')" |
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else: |
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print 'raw2proc: requires either auto or manual operation' |
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def auto(): |
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"""Process all platforms, all packages, latest data |
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|
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Notes |
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----- |
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|
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1. determine which platforms (all platforms with currently active |
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config files i.e. config_end_date is None |
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2. for each platform |
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get latest config |
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for each package |
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(determine process for 'latest' data) copy to new area when grabbed |
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parse recent data |
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yyyy_mm is the current month |
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load this months netcdf, if new month, create this months netcdf |
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update modified date and append new data in netcdf |
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|
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""" |
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yyyy_mm = this_month() |
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months = find_months(yyyy_mm) |
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month_start_dt = months[1] |
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month_end_dt = months[2] - timedelta(seconds=1) |
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|
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configs = find_active_configs(config_dir=defconfigs) |
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if configs: |
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# for each configuration |
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for cn in configs: |
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print ' ... config file : %s' % cn |
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pi = get_config(cn+'.platform_info') |
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asi = get_config(cn+'.sensor_info') |
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platform = pi['id'] |
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# for each sensor package |
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for package in asi.keys(): |
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print ' ... package name : %s' % package |
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si = asi[package] |
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si['proc_filename'] = '%s_%s_%s.nc' % (platform, package, yyyy_mm) |
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ofn = os.path.join(si['proc_dir'], si['proc_filename']) |
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si['proc_start_dt'] = month_start_dt |
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si['proc_end_dt'] = month_end_dt |
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if os.path.exists(ofn): |
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# get last dt from current month file |
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(es, units) = nc_get_time(ofn) |
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last_dt = es2dt(es[-1]) |
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# if older than month_start_dt use it instead to only process newest data |
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if last_dt>=month_start_dt: |
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si['proc_start_dt'] = last_dt |
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|
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(raw_files, raw_dts) = find_raw(si, yyyy_mm) |
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raw_files = which_raw(pi, raw_files, raw_dts) |
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if raw_files: |
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process(pi, si, raw_files, yyyy_mm) |
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else: |
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print ' ... ... \nNOTE: no raw files found for %s %s for %s\n' % (package, platform, yyyy_mm) |
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|
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# update latest data for SECOORA commons |
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if 'latest_dir' in si.keys(): |
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print ' ... ... latest : %s ' % si['latest_dir'] |
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proc2latest(pi, si, yyyy_mm) |
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# |
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else: |
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print ' ... ... ... \nNOTE: No active platforms\n' |
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|
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def manual(platform, package, yyyy_mm): |
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"""Process data for specified platform, sensor package, and month |
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|
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Notes |
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----- |
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|
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1. determine which configs |
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2. for each config for specific platform |
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if have package in config |
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which raw files |
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""" |
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# determine when month starts and ends |
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months = find_months(yyyy_mm) |
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month_start_dt = months[1] |
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month_end_dt = months[2] - timedelta(seconds=1) |
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|
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configs = find_configs(platform, yyyy_mm, config_dir=defconfigs) |
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|
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if configs: |
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# for each configuration |
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for index in range(len(configs)): |
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cn = configs[index] |
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print ' ... config file : %s' % cn |
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pi = get_config(cn+'.platform_info') |
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# month start and end dt to pi info |
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asi = get_config(cn+'.sensor_info') |
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if package in pi['packages']: |
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si = asi[package] |
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if si['utc_offset']: |
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print ' ... ... utc_offset : %g (hours)' % si['utc_offset'] |
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si['proc_start_dt'] = month_start_dt |
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si['proc_end_dt'] = month_end_dt |
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si['proc_filename'] = '%s_%s_%s.nc' % (platform, package, yyyy_mm) |
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ofn = os.path.join(si['proc_dir'], si['proc_filename']) |
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(raw_files, raw_dts) = find_raw(si, yyyy_mm) |
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raw_files = which_raw(pi, raw_files, raw_dts) |
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# print raw_files |
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# remove any previous netcdf file (platform_package_yyyy_mm.nc) |
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if index==0 and os.path.exists(ofn): |
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os.remove(ofn) |
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# this added just in case data repeated in data files |
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if os.path.exists(ofn): |
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# get last dt from current month file |
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(es, units) = nc_get_time(ofn) |
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last_dt = es2dt(es[-1]) |
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# if older than month_start_dt use it instead to only process newest data |
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if last_dt>=month_start_dt: |
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si['proc_start_dt'] = last_dt |
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|
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if raw_files: |
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process(pi, si, raw_files, yyyy_mm) |
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else: |
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print ' ... ... \nNOTE: no raw files found for %s %s for %s\n' % (package, platform, yyyy_mm) |
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|
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else: |
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print ' ... ... \nNOTE: %s not operational on %s for %s\n' % (package, platform, yyyy_mm) |
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else: |
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print ' ... ... ... \nNOTE: %s not operational for %s\n' % (platform, yyyy_mm) |
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|
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def process(pi, si, raw_files, yyyy_mm): |
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# tailored data processing for different input file formats and control over output |
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(parse, create, update) = import_processors(si['process_module']) |
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for fn in raw_files: |
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# sys.stdout.write('... %s ... ' % fn) |
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# attach file name to sensor info so parser can use it, if needed |
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si['fn'] = fn |
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lines = load_data(fn) |
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if lines: |
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data = parse(pi, si, lines) |
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# determine which index of data is within the specified timeframe (usually the month) |
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n = len(data['dt']) |
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data['in'] = numpy.array([False for i in range(n)]) |
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|
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for index, val in enumerate(data['dt']): |
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if val>si['proc_start_dt'] and val<=si['proc_end_dt']: |
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data['in'][index] = True |
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|
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# if any records are in the month then write to netcdf |
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if data['in'].any(): |
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sys.stdout.write('... %s ... ' % fn) |
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sys.stdout.write('%d\n' % len(data['in'].nonzero()[0])) |
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ofn = os.path.join(si['proc_dir'], si['proc_filename']) |
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# update or create netcdf |
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if os.path.exists(ofn): |
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ut = update(pi,si,data) |
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nc_update(ofn, ut) |
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else: |
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ct = create(pi,si,data) |
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nc_create(ofn, ct) |
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else: |
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# if no lines, file was empty |
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print " ... skipping file %s" % (fn,) |
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|
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|
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def proc2latest(pi, si, yyyy_mm): |
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"""Select specific variables and times from current monthly netCDF |
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422 |
and post as latest data. TEST MODE. |
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423 |
|
---|
424 |
For each active config file, load specific variables from NCCOOS |
---|
425 |
monthly netCDF, make any necessary changes to data or attributes |
---|
426 |
conform to SEACOOS Data Model, subset data (last 48 hours), and |
---|
427 |
create new netCDF file in latest netCDF directory. |
---|
428 |
|
---|
429 |
NOTE: In test mode right now. See auto() function for similar action. |
---|
430 |
|
---|
431 |
""" |
---|
432 |
platform = pi['id'] |
---|
433 |
package = si['id'] |
---|
434 |
si['proc_filename'] = '%s_%s_%s.nc' % (platform, package, yyyy_mm) |
---|
435 |
ifn = os.path.join(si['proc_dir'], si['proc_filename']) |
---|
436 |
if os.path.exists(ifn): |
---|
437 |
# get dt from current month file |
---|
438 |
(es, units) = nc_get_time(ifn) |
---|
439 |
dt = [es2dt(e) for e in es] |
---|
440 |
last_dt = dt[-1] |
---|
441 |
|
---|
442 |
# determine which index of data is within the specified timeframe (last 2 days) |
---|
443 |
n = len(dt) |
---|
444 |
idx = numpy.array([False for i in range(n)]) |
---|
445 |
for i, val in enumerate(dt): |
---|
446 |
if val>last_dt-timedelta(days=2) and val<=last_dt+timedelta(seconds=360): |
---|
447 |
idx[i] = True |
---|
448 |
dt = numpy.array(dt) |
---|
449 |
dt = dt[idx] |
---|
450 |
|
---|
451 |
# read in data and unpack tuple |
---|
452 |
d = nc_load(ifn, si['latest_vars']) |
---|
453 |
global_atts, var_atts, dim_inits, var_inits, var_data = d |
---|
454 |
list_of_record_vars = nc_find_record_vars(ifn) |
---|
455 |
|
---|
456 |
# find unlimited dimension (a dimension length of zero) and set to length of dt |
---|
457 |
# SECOORA scout does not understand of zero (0) also replace dim names with following names |
---|
458 |
# e.g. ntime for time |
---|
459 |
dees = [['ntime','time'], ['nlat','lat'], ['nlon', 'lon'], ['nz', 'z'],['ndir','dir'],['nfreq','freq']] |
---|
460 |
dim_inits = list(dim_inits) |
---|
461 |
for j in range(len(dees)): |
---|
462 |
for i in range(len(dim_inits)): |
---|
463 |
if dim_inits[i][0]==dees[j][0]: # 'ntime' |
---|
464 |
dim_inits[i] = (dees[j][1], dim_inits[i][1]) |
---|
465 |
for i in range(len(dim_inits)): |
---|
466 |
if dim_inits[i][1]==0: |
---|
467 |
dim_inits[i] = ('time', len(dt)) |
---|
468 |
dim_inits = tuple(dim_inits) |
---|
469 |
# print dim_inits |
---|
470 |
|
---|
471 |
# replace name of dependent dimension names with speificied names for CDL v2.0 in variables |
---|
472 |
# e.g. ntime for time |
---|
473 |
var_inits = list(var_inits) |
---|
474 |
for j in range(len(dees)): |
---|
475 |
for i in range(len(var_inits)): |
---|
476 |
v = list(var_inits[i]) |
---|
477 |
dl = list(v[2]) |
---|
478 |
for k in range(len(dl)): |
---|
479 |
if dl[k]==dees[j][0]: |
---|
480 |
dl[k]=dees[j][1] # 'time' |
---|
481 |
var_inits[i]=(v[0], v[1], tuple(dl)) |
---|
482 |
var_inits = tuple(var_inits) |
---|
483 |
# print var_inits |
---|
484 |
|
---|
485 |
# subset data |
---|
486 |
varNames = [vn for vn, vt, vd in var_inits] |
---|
487 |
var_data = list(var_data) |
---|
488 |
for i in range(len(varNames)): |
---|
489 |
vn, vd = var_data[i] |
---|
490 |
if vn in list_of_record_vars: |
---|
491 |
var_data[i]=(vn, vd[idx]) |
---|
492 |
var_data = tuple(var_data) |
---|
493 |
global_atts['start_date'] = dt[0].strftime('%Y-%m-%d %H:%M:%S') |
---|
494 |
|
---|
495 |
# write latest data |
---|
496 |
si['latest_filename'] = 'nccoos_%s_%s_latest.nc' % (platform, package) |
---|
497 |
ofn = os.path.join(si['latest_dir'], si['latest_filename']) |
---|
498 |
d = (global_atts, var_atts, dim_inits, var_inits, var_data) |
---|
499 |
|
---|
500 |
nc_create(ofn, d) |
---|
501 |
|
---|
502 |
|
---|
503 |
# globals |
---|
504 |
start_dt = datetime.utcnow() |
---|
505 |
start_dt.replace(microsecond=0) |
---|
506 |
|
---|
507 |
if __name__ == "__main__": |
---|
508 |
import optparse |
---|
509 |
raw2proc('auto') |
---|
510 |
|
---|
511 |
# for testing |
---|
512 |
# proctype='manual'; platform='bogue'; package='adcp'; yyyy_mm='2007_07' |
---|
513 |
# raw2proc(proctype='manual', platform='bogue', package='adcp', yyyy_mm='2007_07') |
---|