Level 1 : What is the purpose of the __enter__ and __exit__ methods in a Python class?

Author: IndraD | Tags: context-manager | 1859+ Python FAQs | Share
regex | reading:-read(),-readline(),-readlines() | sorting-and-ranking | tuple-methods | string | version | writing:-write(),-writelines() | regular-expression | __future__ | higher-order-function | return-statement | functional-programming | function-argument | file-handling | single-inheritance | strings | syntax | datetime.date,-datetime.time,-datetime.datetime | expand-tab | using-os-and-pathlib-modules | datetime | filter | split | static-method | list-method | feature | why-use-multiprocessing-over-threading?-(gil) | dictionaries | list-mutation | invalid-list | error-handling | assert | round-function | inherit | binary-operation | operator-overloading | string-manipulation | method-overloading | using-else-and-finally | dictionary | bitwise | precedence | formatting-with-strftime | functions | name-mangling | using-lists-as-stacks | recursion | virtual-environment | design-principle | collection | arithmetic-expression | working-with-file-paths | syntaxerror | iterators | statement | using-assertions-(assertequal,-assertraises) | pseudocode | handling-missing-values-(fillna,-dropna) | formal-and-actual-parameter | logical-operator | attribute | intering | while-loops | working-with-dates-and-times | asyncio-module | namespace | random-function | memory | object-attribute | math | input | sets | range | exception | type-conversion | factorial-function | data-type | swapping | touples | raise | overriding-methods | operand | constructor | compute | method | multiple-inheritance | string-method | global-variable | conversion | logical-operation | difference-between-threads-and-processes | creating-custom-modules | raise-statement | python-operators | class-decorators | slicing | mathematics | min-max-function | staticmethod | expression | syntax-error | exception-handling | docstring | pass | join | class-and-inheritance | frozenset | loops | function-and-scope | oop | input-function | datatype | data-structure | working-with-temporary-files-using-tempfile | control-statement | objects | type-conversion-and-casting | function | immutable-data-type | type-conversion | exponentiation | center | parsing-with-strptime | sum-function | escape-operator | version-check | parameter | interpreter | dataframe-and-series-objects | identity-operators-(is,-is-not) | typeerror | using-join()-and-is_alive()-methods | pandas | list-vs-tuple | lambda-functions | integer | conditional-statement | string-method | integers | random | print | generators | arbitrary-arguments-(*args,-**kwargs) | file_handling | generators-in-python | default-arguments | mathematical-function | match | lambdas | namedtuple | precedence-and-associativity | reading-and-writing-files | list-indexing | postfix | array | zip-function | loop-control | set-operation | global-variable | lists | built-in | lambda-function | def | rollback | __all__-attribute | for | polymorphism | loop | test-discovery | dictionary-methods | matrix-list-comprehension | matplotlib | operations | defining-functions | control-flow | joining-and-merging-dataframes | list-methods-and-slicing | multiple-except-blocks | string-methods | list | min-function | string-iteration | operator-and | software-design | destructor | list-slicing | conditional-statements | head-and-tail | data-types | binary | while-else-loop | benefit | slice | string-formatting | counter | operators | classes | comment | multithreading | default-mutable-argument | descriptors | introduction-to-python | multiple-inheritance | matrix | generator | regular-expressions | data_structure | data-structure | logical-operators | syntax-error | max-min | error | operator | type_conversion | thread-synchronization | append | numpy | sys-module | recurssion | iterator | aggregating-data-with-functools.reduce() | turtle | comparison | fabs-function | keyword | python | bitwise-operator | heap-memory | immutability | nested-loop | oops | filtering-and-indexing | encapsulation | indexing | data-type | advanced-file-operations | package-management | round | dicts | python-repl | list-comprehension | math-copysign | data-type-conversions | directory-operations | file-handling | scientific-notation | string-formatting | gil | sum() | set | class-and-instance-variable | variable | access-modifier | format | import-method | global | map-function | string-slicing | stack | python-django | yield | memory-management | threading | print-statement | error-handling | list-operation | sys | numeric | comprehension | module | sorting | application | floating-point-precision | complex-number | __init_subclass__ | arithmetic-operation | indentation | overflow | identity-operator | identity-operator | iterable | basic | condition | introduction-to-threads | loop-control-statements | floats | init | context-manager | creating-and-starting-threads | string-concatenation | literal-characters-and-special-characters | goto-function | python-module | string-slicing | complex | control-flow | lambda | list,-set,-and-dictionary-comprehensions | else | debugging | dictionary-comprehensions | encoding | file | magic-method | shallow-copy | python-syntax-and-structure | while-and-for-loop | built-in-function | global-keyword | counter-function | python_version | implementation | list-join | int | zfill-function | pickling--unpickling | zip | pep | methods | else-statement | decorator | mutable | tuples | conditional-statement | list-comprehension | id-function | functional-programming | update | enumerate() | using-the-threading-module | exception-handling | assignment-operators | indexing:-loc-vs-iloc | operator-or | list-comprehensions | decimal | with-statement | filter-function | identifier | odd-number | input-function | thread | reading-and-writing-large-files-efficiently | deep-copy | boolean-and-non-boolean | data-structures-in-python | data-structures | built-in-function | python-history | class | opening-files-(open()) | using-map()-for-transformations | copy | multiprocessing | introduction-to-multiprocessing | installation | tuple-unpacking | async | mysql | unit-testing | while-loop | mapping-function | library | anchors-(^,-$) | command-line-parsing | choice | logical-operator | bitwise-operator | call | membership-operators-(in,-not-in) | assignment-operator | boolean-masking | built-in-modules | inheritance | virtual-environment | working-with-binary-files-(rb,-wb) | boolean | walking-through-directories-using-os.walk() | using-yield-in-functions | booleans | thread-safe-data-structures-(queue.queue) | tuple | asyncio | class-and-object | quantifiers-(*,-+,-?,-{}) | time-series-with-pandas | key-value-pairs | sorted | managing-directories-with-os-and-shutil | collections ...