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tdms group names channels name autocomplete. convert group names and convert channel names function do the trick of returning namedtuple that can be used for autocomplete
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def ntuples_list(list_of_names): | |
""" | |
""" | |
list_of_names_dict = {x:x for x in list_of_names} | |
Varnames = namedtuple('Varnames', list_of_names) | |
return Varnames(**list_of_names_dict) | |
def change_to_valid_column_names(df3): | |
df3.columns=[(re.sub("[/' ()-+]","_",x)) for x in df3.columns.to_list()] #replace invalid char with _ | |
df3.columns=[(re.sub("-+","_",x)) for x in df3.columns.to_list()] #replace 1 or more - with _ | |
df3.columns=[(re.sub("_+","_",x)) for x in df3.columns.to_list()] #replace 1 or more _ with single _ to compact | |
# + is quantifier for 1 or more https://cheatography.com/davechild/cheat-sheets/regular-expressions/ | |
df3.columns=[x.replace("_","n",1) if (x[0] == "_") else x for x in df3.columns.to_list()] #cant start with underscore so change first underscore | |
return (df3) | |
#Do-something if <condition>, else do-something else. | |
#[a if C else b for i in items] | |
def change_to_valid_names(list_of_names): | |
s=[(re.sub("[/' ()-+]","_",x)) for x in list_of_names] #replace invalid char with _ | |
s=[(re.sub("-+","_",x)) for x in s] #replace 1 or more _ with single _ to compact | |
s=[(re.sub("_+","_",x)) for x in s] #replace 1 or more _ with single _ to compact | |
s=[x.replace("_","n",1) if (x[0] == "_") else x for x in s] #cant start with underscore so change first underscore | |
return(s) | |
def abbreviate_names(df): | |
my_ab={'Phase Noise':'PN','Phase_Noise':'PN','Phase_Noise_at':'PN', | |
'Frequency':'Freq','FREQUENCY':'Freq',"Power":"Pwr", | |
'Temperature':'Tmpr', | |
"Carrier":"Carr", | |
"Converter":"Conv", | |
"TEMP_SENSOR":"TS", | |
"Measured":"Meas", | |
"Measurement":"Meas" | |
} | |
for word in my_ab: | |
df2.columns=[x.replace(word,my_ab[word]) for x in df2.columns.to_list()] #list comprehension to substiture abbreviations in names | |
return (df) | |
def ntuples_list2(list_of_names): | |
""" | |
valid names: strings with valid names since | |
both key and value must be valid name for namedtuple so | |
changing only key as in following code is not sufficient list_of_names should be cleaned first | |
""" | |
valid_names=change_to_valid_names(list_of_names) | |
list_of_names_dict = {x:y for x,y in zip(valid_names,list_of_names)} | |
Varnames = namedtuple('Varnames', list_of_names) | |
return Varnames(**list_of_names_dict) | |
def convert_group_names(tdms_file): | |
t=tdms_file._groups.copy() | |
for group_name in t: | |
valid_name=change_to_valid_names([group_name]) #list input | |
tdms_file._groups[valid_name[0]]=tdms_file._groups.pop(group_name) #change key in dict groups with valid name | |
#dictionary[new_key] = dictionary.pop(old_key) | |
group_names=[x for x in tdms_file._groups] | |
#group_names=change_to_valid_names(group_names) | |
gn_var=ntuples_list2(group_names) #creates a named tuple type variable that autocompletes | |
return (gn_var) #return group names variable that can be used for autocomplete | |
#type gn_var. and wait for autocomplete to list group names | |
def convert_ch_names(tdms_file,group): | |
chcpy=tdms_file[group]._channels.copy() #must copy else assignment operates on same data a | |
for ch in chcpy: | |
valid_name=change_to_valid_names([ch]) #list input | |
tdms_file[group]._channels[valid_name[0]]=tdms_file[group]._channels.pop(ch) | |
valid_ch_names=[change_to_valid_names([x])[0] for x in ch_names] #list input and output hence[x] and [0] | |
#valid_ch_names | |
cn_var=ntuples_list2(valid_ch_names) #creates a named tuple type variable that autocompletes | |
return(cn_var) #type cn_var. and wait for auto complete to list channel names | |
#tdms_file[group]._channels |
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