Re: Python shows error on line 15 that i cant fix
On Saturday, September 21, 2019 at 2:46:15 PM UTC-4, boB Stepp wrote: > On Sat, Sep 21, 2019 at 1:01 PM Dave Martin wrote: > > > > On Saturday, September 21, 2019 at 1:33:12 PM UTC-4, Terry Reedy wrote: > > > On 9/21/2019 11:53 AM, Dave Martin wrote: > [...] > > > > #get the combined data and load the fits files > > > > > > > > fits_filename="Gaia_DR2/gaiadr2_100pc.fits" > > > > df=pd.DataFrame() > > > > with fits.open(fits_filename) as data: > > > > df=pd.DataFrame(data[1].data) > > > > > > A 'with' statement is a compound statement. It must be followed by a > > > 'suite', which usually consists of an indented block of statements. > > > This is line 17 from the first non-blank line you posted. > [...] > > > Can you provide an example of how to use the suite feature. Thank you. > > Dave, you seem to have some expectation that you should be given the > answer. That is not how help is given in this forum. You are > expected to be doing the needed to work before being helped further. > You have been referred to the tutorial multiple times. Please read > it! Indentation is so fundamental to structuring Python code that it > is clear that you need grounding in Python fundamentals. Otherwise > you are essentially Easter-egging through a code sample that you have > no true understanding of. > > If you must continue to Easter-egg Python instead of reading the > tutorial (or something equivalent) then check the section of the > tutorial on files. You will find examples of the use of "with" there. > > > -- > boB Bob, You seem to have the expectation that you know more about coding than me and that you can insult me without me retaliating. If I were you, I would leave this forum and never respond to another person question again, if you think that you can rudely ransack your way through what is supposed to be a helpful tool. -Dave -- https://mail.python.org/mailman/listinfo/python-list
Re: Python shows error on line 15 that i cant fix
On Saturday, September 21, 2019 at 1:33:12 PM UTC-4, Terry Reedy wrote: > On 9/21/2019 11:53 AM, Dave Martin wrote: > > > > # starAbsMags=df['radial_velocity'] > > > > #GaiaPandasEscapeVelocityCode > > > > import pandas as pd > > import numpy as np > > from astropy.io import fits > > import astropy > > import matplotlib.pyplot as plt > > > > > > #get the combined data and load the fits files > > > > fits_filename="Gaia_DR2/gaiadr2_100pc.fits" > > df=pd.DataFrame() > > with fits.open(fits_filename) as data: > > df=pd.DataFrame(data[1].data) > > A 'with' statement is a compound statement. It must be followed by a > 'suite', which usually consists of an indented block of statements. > This is line 17 from the first non-blank line you posted. > > Please stop spamming the list with multiple posts. Do spend a few hours > reading the tutorial until you understand my answer. > https://docs.python.org/3/tutorial/index.html Also read > https://stackoverflow.com/help/minimal-reproducible-example > so you can ask better questions. > > I presume you got "SyntaxError: expected an indented block". > A minimal example getting this error is, for instance, > > while True: > a = 1 > > -- > Terry Jan Reedy Can you provide an example of how to use the suite feature. Thank you. -- https://mail.python.org/mailman/listinfo/python-list
Re: python is bugging
On Saturday, September 21, 2019 at 12:44:27 PM UTC-4, Brian Oney wrote:
> On Sat, 2019-09-21 at 08:57 -0700, Dave Martin wrote:
> > On Saturday, September 21, 2019 at 11:55:29 AM UTC-4, Dave Martin
> > wrote:
> > > what does expected an indented block
> >
> > *what does an indented block mean?
>
> It means that the line of code belongs to a certain body as defined
> above its position.
>
> Please follow the tutorial.
>
> https://docs.python.org/3/tutorial/index.html
df.to_csv(r"faststars.csv", index=None,header=True)
# starAbsMags=df['radial_velocity']
#GaiaPandasEscapeVelocityCode
import pandas as pd
import numpy as np
from astropy.io import fits
import astropy
import matplotlib.pyplot as plt
#get the combined data and load the fits files
fits_filename="Gaia_DR2/gaiadr2_100pc.fits"
df=pd.DataFrame()
with fits.open(fits_filename) as data:
df=pd.DataFrame(data[1].data)
df.columns=[c.lower() for c in df.columns]
print("Columns.")
print(df.columns.values)
print("n/n")
#print out some data meta info to see what we're working with
print("Number of stars:")
nstars=len(df)
print(nstars)
distances = (df['parallax']/1000)
starAbsMags =df['phot_g_mean_mag']
df = df[(df.parallax_over_error > 10 ) ]
print("Left after filter: " +str(len(df)/float(nstars)*100)+" %")
df.hist(column='radial_velocity')
#fastdf=df[(df.radial_velocity > 200) | (df.radial_velocity < -200)]
fastdf=df[(df.radial_velocity > 550)|(df.radial_velocity<-550)]
print(len(fastdf))
#print(fastdf)# starTemps=df['astrometric_weight_al']
# df.plot.scatter("radial_velocity", "astrometric_weight_al", s=1,
c="radial_velocity", colormap="plasma")
# #df=df[(df.radial_velocity>=-550)]
# #plt.axis([0,400,-800,-550])
# #plt.axis([0,400,550,800])
# plt.xlabel('weight(Au)')
# plt.ylabel('Speed')
# plt.title('Gaia Speed vs Weight')
this is my code the error is on line 15
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Re: python is bugging
On Saturday, September 21, 2019 at 11:55:29 AM UTC-4, Dave Martin wrote: > what does expected an indented block *what does an indented block mean? -- https://mail.python.org/mailman/listinfo/python-list
python is bugging
what does expected an indented block -- https://mail.python.org/mailman/listinfo/python-list
Python shows error on line 15 that i cant fix
# starAbsMags=df['radial_velocity']
#GaiaPandasEscapeVelocityCode
import pandas as pd
import numpy as np
from astropy.io import fits
import astropy
import matplotlib.pyplot as plt
#get the combined data and load the fits files
fits_filename="Gaia_DR2/gaiadr2_100pc.fits"
df=pd.DataFrame()
with fits.open(fits_filename) as data:
df=pd.DataFrame(data[1].data)
df.columns=[c.lower() for c in df.columns]
print("Columns.")
print(df.columns.values)
print("n/n")
#print out some data meta info to see what we're working with
print("Number of stars:")
nstars=len(df)
print(nstars)
distances = (df['parallax']/1000)
starAbsMags =df['phot_g_mean_mag']
df = df[(df.parallax_over_error > 10 ) ]
print("Left after filter: " +str(len(df)/float(nstars)*100)+" %")
df.hist(column='radial_velocity')
#fastdf=df[(df.radial_velocity > 200) | (df.radial_velocity < -200)]
fastdf=df[(df.radial_velocity > 550)|(df.radial_velocity<-550)]
print(len(fastdf))
#print(fastdf)# starTemps=df['astrometric_weight_al']
# df.plot.scatter("radial_velocity", "astrometric_weight_al", s=1,
c="radial_velocity", colormap="plasma")
# #df=df[(df.radial_velocity>=-550)]
# #plt.axis([0,400,-800,-550])
# #plt.axis([0,400,550,800])
# plt.xlabel('weight(Au)')
# plt.ylabel('Speed')
# plt.title('Gaia Speed vs Weight')
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