zev/practical-python
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Added links

Browse Source
This commit is contained in:
David Beazley
2020-05-26 15:05:19 -05:00
parent d6680ea5b8
commit 48351b62ca
6 changed files with 28 additions and 26 deletions
Download Patch File Download Diff File Expand all files Collapse all files

8
Notes/03_Program_organization/03_Error_checking.md
View File

@@ -301,7 +301,7 @@ resources are released. `with` only works with certain objects.
## Exercises
### (a) Raising exceptions
### Exercise 3.8: Raising exceptions
The `parse_csv()` function you wrote in the last section allows
user-specified columns to be selected, but that only works if the
@@ -336,7 +336,7 @@ headers, but simultaneously specifying that there are no headers).
This indicates a programming error on the part of the calling code.
### (b) Catching exceptions
### Exercise 3.9: Catching exceptions
The `parse_csv()` function you wrote is used to process the entire
contents of a file. However, in the real-world, it’s possible that
@@ -373,7 +373,7 @@ Row 7: Reason invalid literal for int() with base 10: ''
>>>
```
### (c) Silencing Errors
### Exercise 3.10: Silencing Errors
Modify the `parse_csv()` function so that parsing error messages can be silenced if explicitly desired by the user.
For example:
@@ -390,4 +390,4 @@ most programs. As a general rule, you shouldn’t silently ignore
errors. Instead, it’s better to report problems and to give the user
an option to the silence the error message if they choose to do so.
[Next](04_Modules)
[Contents](../Contents) \| [Previous (3.2 More on Functions)](02_More_functions) \| [Next (3.4 Modules)](04_Modules)