def search(self, *args, **kwargs):
"""
Query this client for a list of results.
Parameters
----------
\\*args: `tuple`
`sunpy.net.attrs` objects representing the query.
\\*\\*kwargs: `dict`
Any extra keywords to refine the search.
Returns
-------
A `QueryResponse` instance containing the query result.
"""
baseurl, pattern, matchdict = self.pre_search_hook(*args, **kwargs)
scraper = Scraper(baseurl, regex=True)
tr = TimeRange(matchdict['Start Time'], matchdict['End Time'])
filesmeta = scraper._extract_files_meta(tr,
extractor=pattern,
matcher=matchdict)
filesmeta = sorted(filesmeta, key=lambda k: k['url'])
metalist = []
for i in filesmeta:
rowdict = self.post_search_hook(i, matchdict)
metalist.append(rowdict)
return QueryResponse(metalist, client=self)
def test_extract_files_meta():
baseurl0 = r'ftp://solar-pub.nao.ac.jp/pub/nsro/norh/data/tcx/%Y/%m/(\w){3}%y%m%d'
extractpattern0 = '{}/tcx/{year:4d}/{month:2d}/{wave}{:4d}{day:2d}'
s0 = Scraper(baseurl0, regex=True)
timerange0 = TimeRange('2020/1/1 4:00', '2020/1/2')
matchdict = {'wave': ['tca', 'tcz']}
metalist0 = s0._extract_files_meta(timerange0, extractpattern0, matcher=matchdict)
assert metalist0[0]['wave'] == 'tca'
assert metalist0[3]['wave'] == 'tcz'
assert metalist0[1]['day'] == 2
prefix = r'https://gong2.nso.edu/oQR/zqs/'
baseurl1 = prefix + r'%Y%m/mrzqs%y%m%d/mrzqs%y%m%dt%H%Mc(\d){4}_(\d){3}\.fits.gz'
extractpattern1 = ('{}/zqs/{year:4d}{month:2d}/mrzqs{:4d}{day:2d}/mrzqs{:6d}t'
'{hour:2d}{minute:2d}c{CAR_ROT:4d}_{:3d}.fits.gz')
s1 = Scraper(baseurl1, regex=True)
timerange1 = TimeRange('2020-01-05', '2020-01-05T16:00:00')
metalist1 = s1._extract_files_meta(timerange1, extractpattern1)
urls = s1.filelist(timerange1)
assert metalist1[3]['CAR_ROT'] == 2226
assert metalist1[-1]['url'] == urls[-1]
def _get_metalist_fn(self, matchdict, baseurl, pattern):
"""
Function to help get list of OrderedDicts.
"""
metalist = []
scraper = Scraper(baseurl, regex=True)
tr = TimeRange(matchdict["Start Time"], matchdict["End Time"])
filemeta = scraper._extract_files_meta(tr,
extractor=pattern,
matcher=matchdict)
for i in filemeta:
rowdict = self.post_search_hook(i, matchdict)
metalist.append(rowdict)
return metalist
def search(self, *args, **kwargs):
supported_waves = [94, 131, 171, 195, 284, 304] * u.Angstrom
all_waves = []
matchdict = self._get_match_dict(*args, **kwargs)
req_wave = matchdict.get('Wavelength', None)
if req_wave is not None:
wmin = req_wave.min.to(u.Angstrom, equivalencies=u.spectral())
wmax = req_wave.max.to(u.Angstrom, equivalencies=u.spectral())
req_wave = a.Wavelength(wmin, wmax)
for wave in supported_waves:
if wave in req_wave:
all_waves.append(int(wave.value))
else:
all_waves = [int(i.value) for i in supported_waves]
all_satnos = matchdict.get('SatelliteNumber')
all_levels = matchdict.get('Level')
metalist = []
# iterating over all possible Attr values through loops
for satno in all_satnos:
for level in all_levels:
for wave in all_waves:
formdict = {'wave': wave, 'SatelliteNumber': satno}
if str(level) == '1b':
formdict['elem'] = 'fe'
if wave == 304:
formdict['elem'] = 'he'
baseurl = self.baseurl1b
pattern = self.pattern1b
elif str(level) == '2':
baseurl = self.baseurl2
pattern = self.pattern2
else:
raise ValueError(f"Level {level} is not supported.")
# formatting baseurl using Level, SatelliteNumber and Wavelength
urlpattern = baseurl.format(**formdict)
scraper = Scraper(urlpattern)
tr = TimeRange(matchdict['Start Time'],
matchdict['End Time'])
filesmeta = scraper._extract_files_meta(tr,
extractor=pattern)
for i in filesmeta:
rowdict = self.post_search_hook(i, matchdict)
metalist.append(rowdict)
return QueryResponse(metalist, client=self)