@ -213,7 +213,7 @@ pre.prettyprint {
< strong > < span class = "hljs-string" > < span class = "hljs-string" > '1. Collections'< / span > < / span > < / strong > : [< a href = "#list" > List< / a > , < a href = "#dictionary" > Dictionary< / a > , < a href = "#set" > Set< / a > , < a href = "#tuple" > Tuple< / a > , < a href = "#range" > Range< / a > , < a href = "#enumerate" > Enumerate< / a > , < a href = "#iterator" > Iterator< / a > , < a href = "#generator" > Generator< / a > ], < strong > < span class = "hljs-string" > < span class = "hljs-string" > '1. Collections'< / span > < / span > < / strong > : [< a href = "#list" > List< / a > , < a href = "#dictionary" > Dictionary< / a > , < a href = "#set" > Set< / a > , < a href = "#tuple" > Tuple< / a > , < a href = "#range" > Range< / a > , < a href = "#enumerate" > Enumerate< / a > , < a href = "#iterator" > Iterator< / a > , < a href = "#generator" > Generator< / a > ],
< strong > < span class = "hljs-string" > < span class = "hljs-string" > '2. Types'< / span > < / span > < / strong > : [< a href = "#type" > Type< / a > , < a href = "#string" > String< / a > , < a href = "#regex" > Regular_Exp< / a > , < a href = "#format" > Format< / a > , < a href = "#numbers" > Numbers< / a > , < a href = "#combinatorics" > Combinatorics< / a > , < a href = "#datetime" > Datetime< / a > ], < strong > < span class = "hljs-string" > < span class = "hljs-string" > '2. Types'< / span > < / span > < / strong > : [< a href = "#type" > Type< / a > , < a href = "#string" > String< / a > , < a href = "#regex" > Regular_Exp< / a > , < a href = "#format" > Format< / a > , < a href = "#numbers" > Numbers< / a > , < a href = "#combinatorics" > Combinatorics< / a > , < a href = "#datetime" > Datetime< / a > ],
< strong > < span class = "hljs-string" > < span class = "hljs-string" > '3. Syntax'< / span > < / span > < / strong > : [< a href = "#arguments" > Args< / a > , < a href = "#inline" > Inline< / a > , < a href = "#closure" > Closure< / a > , < a href = "#decorator" > Decorator< / a > , < a href = "#class" > Class< / a > , < a href = "#ducktypes" > Duck_Types< / a > , < a href = "#enum" > Enum< / a > , < a href = "#exceptions" > Exceptions< / a > ], < strong > < span class = "hljs-string" > < span class = "hljs-string" > '3. Syntax'< / span > < / span > < / strong > : [< a href = "#arguments" > Args< / a > , < a href = "#inline" > Inline< / a > , < a href = "#closure" > Closure< / a > , < a href = "#decorator" > Decorator< / a > , < a href = "#class" > Class< / a > , < a href = "#ducktypes" > Duck_Types< / a > , < a href = "#enum" > Enum< / a > , < a href = "#exceptions" > Exceptions< / a > ],
< strong > < span class = "hljs-string" > < span class = "hljs-string" > '4. System'< / span > < / span > < / strong > : [< a href = "#print" > Print< / a > , < a href = "#input" > Input< / a > , < a href = "#commandlinearguments" > Command_Line_Arguments< / a > , < a href = "#open" > Open< / a > , < a href = "#path" > Path< / a > , < a href = "#commandexecution " > Command_Execution< / a > ], < strong > < span class = "hljs-string" > < span class = "hljs-string" > '4. System'< / span > < / span > < / strong > : [< a href = "#print" > Print< / a > , < a href = "#input" > Input< / a > , < a href = "#commandlinearguments" > Command_Line_Arguments< / a > , < a href = "#open" > Open< / a > , < a href = "#path" > Path< / a > , < a href = "#oscommands " > Command_Execution< / a > ],
< strong > < span class = "hljs-string" > < span class = "hljs-string" > '5. Data'< / span > < / span > < / strong > : [< a href = "#csv" > CSV< / a > , < a href = "#sqlite" > SQLite< / a > , < a href = "#json" > JSON< / a > , < a href = "#pickle" > Pickle< / a > , < a href = "#bytes" > Bytes< / a > , < a href = "#struct" > Struct< / a > , < a href = "#array" > Array< / a > , < a href = "#memoryview" > MemoryView< / a > , < a href = "#deque" > Deque< / a > ], < strong > < span class = "hljs-string" > < span class = "hljs-string" > '5. Data'< / span > < / span > < / strong > : [< a href = "#csv" > CSV< / a > , < a href = "#sqlite" > SQLite< / a > , < a href = "#json" > JSON< / a > , < a href = "#pickle" > Pickle< / a > , < a href = "#bytes" > Bytes< / a > , < a href = "#struct" > Struct< / a > , < a href = "#array" > Array< / a > , < a href = "#memoryview" > MemoryView< / a > , < a href = "#deque" > Deque< / a > ],
< strong > < span class = "hljs-string" > < span class = "hljs-string" > '6. Advanced'< / span > < / span > < / strong > : [< a href = "#threading" > Threading< / a > , < a href = "#operator" > Operator< / a > , < a href = "#introspection" > Introspection< / a > , < a href = "#metaprograming" > Metaprograming< / a > , < a href = "#eval" > Eval< / a > , < a href = "#coroutine" > Coroutine< / a > ], < strong > < span class = "hljs-string" > < span class = "hljs-string" > '6. Advanced'< / span > < / span > < / strong > : [< a href = "#threading" > Threading< / a > , < a href = "#operator" > Operator< / a > , < a href = "#introspection" > Introspection< / a > , < a href = "#metaprograming" > Metaprograming< / a > , < a href = "#eval" > Eval< / a > , < a href = "#coroutine" > Coroutine< / a > ],
< strong > < span class = "hljs-string" > < span class = "hljs-string" > '7. Libraries'< / span > < / span > < / strong > : [< a href = "#progressbar" > Progress_Bar< / a > , < a href = "#plot" > Plot< / a > , < a href = "#table" > Table< / a > , < a href = "#curses" > Curses< / a > , < a href = "#logging" > Logging< / a > , < a href = "#scraping" > Scraping< / a > , < a href = "#web" > Web< / a > , < a href = "#profiling" > Profile< / a > , < strong > < span class = "hljs-string" > < span class = "hljs-string" > '7. Libraries'< / span > < / span > < / strong > : [< a href = "#progressbar" > Progress_Bar< / a > , < a href = "#plot" > Plot< / a > , < a href = "#table" > Table< / a > , < a href = "#curses" > Curses< / a > , < a href = "#logging" > Logging< / a > , < a href = "#scraping" > Scraping< / a > , < a href = "#web" > Web< / a > , < a href = "#profiling" > Profile< / a > ,
@ -1469,7 +1469,7 @@ value = args.<name>
< Path> = < Path> .parent < span class = "hljs-comment" > # Returns path without final component.< / span > < Path> = < Path> .parent < span class = "hljs-comment" > # Returns path without final component.< / span >
< file> = open(< Path> ) < span class = "hljs-comment" > # Opens the file and returns a file object.< / span > < file> = open(< Path> ) < span class = "hljs-comment" > # Opens the file and returns a file object.< / span >
< / code > < / pre > < / code > < / pre >
< div > < h2 id = "commandexecution " > < a href = "#commandexecution" name = "commandexecution " > #< / a > Command Execution < / h2 > < div > < h3 id = "filesanddirectories" > Files and Directories< / h3 > < ul > < div > < h2 id = "oscommands " > < a href = "#oscommands" name = "oscommands " > #< / a > OS Commands < / h2 > < div > < h3 id = "filesanddirectories" > Files and Directories< / h3 > < ul >
< li > < strong > Paths can be either strings, Paths, or DirEntry objects.< / strong > < / li > < li > < strong > Paths can be either strings, Paths, or DirEntry objects.< / strong > < / li >
< li > < strong > Functions report OS related errors by raising either OSError or one of its < a href = "#exceptions-1" > subclasses< / a > .< / strong > < / li > < li > < strong > Functions report OS related errors by raising either OSError or one of its < a href = "#exceptions-1" > subclasses< / a > .< / strong > < / li >
< / ul > < pre > < code class = "python language-python hljs" > < span class = "hljs-keyword" > import< / span > os, shutil< / ul > < pre > < code class = "python language-python hljs" > < span class = "hljs-keyword" > import< / span > os, shutil
@ -1515,9 +1515,10 @@ shutil.copytree(from, to) <span class="hljs-comment"># Copies the entir
< span class = "hljs-number" > 0< / span > < span class = "hljs-number" > 0< / span >
< / code > < / pre > < / div > < / code > < / pre > < / div >
< div > < h2 id = "csv" > < a href = "#csv" name = "csv" > #< / a > CSV< / h2 > < pre > < code class = "python language-python hljs" > < span class = "hljs-keyword" > import< / span > csv< div > < h2 id = "csv" > < a href = "#csv" name = "csv" > #< / a > CSV< / h2 > < p > < strong > Text file format for storing spreadsheets.< / strong > < / p > < p re> < code class = "python language-python hljs" > < span class = "hljs-keyword" > import< / span > csv
< / code > < / pre > < / div > < / code > < / pre > < / div >
< div > < h3 id = "read" > Read< / h3 > < pre > < code class = "python language-python hljs" > < reader> = csv.reader(< file> , dialect=< span class = "hljs-string" > 'excel'< / span > , delimiter=< span class = "hljs-string" > ','< / span > )< div > < h3 id = "read" > Read< / h3 > < pre > < code class = "python language-python hljs" > < reader> = csv.reader(< file> , dialect=< span class = "hljs-string" > 'excel'< / span > , delimiter=< span class = "hljs-string" > ','< / span > )
< list> = next(< reader> ) < span class = "hljs-comment" > # Returns next row as a list of strings.< / span > < list> = next(< reader> ) < span class = "hljs-comment" > # Returns next row as a list of strings.< / span >
< list> = list(< reader> ) < span class = "hljs-comment" > # Returns list of remaining rows.< / span > < list> = list(< reader> ) < span class = "hljs-comment" > # Returns list of remaining rows.< / span >
@ -1728,14 +1729,14 @@ db = connector.connect(host=<str>, user=<str>, password=<str>,
< div > < h2 id = "memoryview" > < a href = "#memoryview" name = "memoryview" > #< / a > Memory View< / h2 > < ul > < div > < h2 id = "memoryview" > < a href = "#memoryview" name = "memoryview" > #< / a > Memory View< / h2 > < ul >
< li > < strong > Memory View is a seqence that points to the memory of bytes, bytearray or array objects .< / strong > < / li > < li > < strong > A seqence object that points to the memory of another object .< / strong > < / li >
< li > < strong > Each element can reference a single or multiple consecutive bytes.< / strong > < / li > < li > < strong > Each element can reference a single or multiple consecutive bytes, depending on format .< / strong > < / li >
< li > < strong > Referenced elements can be narrowed down with slicing.< / strong > < / li > < li > < strong > Order and number of elements can be changed with slicing.< / strong > < / li >
< / ul > < pre > < code class = "python language-python hljs" > < mview> = memoryview(< bytes/bytearray/array> )< / ul > < pre > < code class = "python language-python hljs" > < mview> = memoryview(< bytes/bytearray/array> )
< num> = < mview> [< index> ] < span class = "hljs-comment" > # Can be int or float.< / span > < num> = < mview> [< index> ] < span class = "hljs-comment" > # Can be int or float.< / span >
< mview> = < mview> [< slice> ] < span class = "hljs-comment" > # Mview with rearanged elements.< / span > < mview> = < mview> [< slice> ] < span class = "hljs-comment" > # Mview with rearanged elements.< / span >
< mview> = < mview> .cast(< span class = "hljs-string" > '< typecode> '< / span > ) < span class = "hljs-comment" > # Cast a memoryview to a new format.< / span > < mview> = < mview> .cast(< span class = "hljs-string" > '< typecode> '< / span > ) < span class = "hljs-comment" > # Casts a memoryview to a new format.< / span >
< mview> .release() < span class = "hljs-comment" > # Releases the buffer.< / span > < mview> .release() < span class = "hljs-comment" > # Releases the object's memory buffer.< / span >
< / code > < / pre > < / div > < / code > < / pre > < / div >
@ -1943,6 +1944,7 @@ ValueError: malformed node or string
reader(adder(printer())) < span class = "hljs-comment" > # 100, 101, ..., 109< / span > reader(adder(printer())) < span class = "hljs-comment" > # 100, 101, ..., 109< / span >
< / code > < / pre > < / div > < / code > < / pre > < / div >
< p > < br > < / p >
< div > < h1 id = "libraries" > Libraries< / h1 > < div > < h2 id = "progressbar" > < a href = "#progressbar" name = "progressbar" > #< / a > Progress Bar< / h2 > < pre > < code class = "python language-python hljs" > < span class = "hljs-comment" > # $ pip3 install tqdm< / span > < div > < h1 id = "libraries" > Libraries< / h1 > < div > < h2 id = "progressbar" > < a href = "#progressbar" name = "progressbar" > #< / a > Progress Bar< / h2 > < pre > < code class = "python language-python hljs" > < span class = "hljs-comment" > # $ pip3 install tqdm< / span >
< span class = "hljs-keyword" > from< / span > tqdm < span class = "hljs-keyword" > import< / span > tqdm< span class = "hljs-keyword" > from< / span > tqdm < span class = "hljs-keyword" > import< / span > tqdm
< span class = "hljs-keyword" > from< / span > time < span class = "hljs-keyword" > import< / span > sleep< span class = "hljs-keyword" > from< / span > time < span class = "hljs-keyword" > import< / span > sleep
Jure Šorn
5 years ago
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